Abrégé

A heating, ventilation, and air conditioning (HVAC) system includes a variable refrigerant flow (VRF) unit including a variable speed compressor, a VRF heat exchanger, and a reversing valve of a vapor compression circuit. In addition, the HVAC system includes an air handling unit (AHU) including an AHU heat exchanger of the vapor compression circuit. Furthermore, the HVAC system includes a housing, wherein the VRF unit and the AHU are disposed within the housing, and wherein the variable speed compressor is configured to circulate a refrigerant through the VRF heat exchanger and the AHU heat exchanger, and the reversing valve is configured to adjust a flow direction of the refrigerant through the vapor compression circuit to adjust operation of the HVAC system between a cooling operation mode and a heating operation mode.

Classes IPC  ?

• F24F 1/022 - Climatiseurs individuels monoblocs pour le conditionnement de l'air, c.-à-d. avec tout l'appareillage nécessaire au traitement placé dans une enveloppe à cycle à compression
• F24F 1/029 - Climatiseurs individuels monoblocs pour le conditionnement de l'air, c.-à-d. avec tout l'appareillage nécessaire au traitement placé dans une enveloppe caractérisé par l'agencement ou l’aménagement relatif des composants, p. ex. des compresseurs ou des ventilateurs
• F24F 1/0326 - Climatiseurs individuels monoblocs pour le conditionnement de l'air, c.-à-d. avec tout l'appareillage nécessaire au traitement placé dans une enveloppe caractérisés par la disposition des conduites réfrigérantes hors de l’échangeur de chaleur dans l’enveloppe de l’élément
• F24F 11/88 - Aspects électriques, p. ex. circuits
• F24F 13/20 - Enveloppes ou couvercles

Abrégé

Aspects of the present disclosure include methods, apparatus, and systems for disabling a plurality of isolators, iteratively activating subsets of a plurality of isolators, transmitting, for each activated subset of the plurality of isolators, an interrogating signal toward, the plurality of isolators and a plurality of peripheral devices, receiving, for each activated subset of the plurality of isolators, corresponding response signals from one or more of the plurality of peripheral devices, and generating a network topography of one or more of the plurality of peripheral de vices or the plurality of isolators based on the response signals.

Classes IPC  ?

• H04L 12/40 - Réseaux à ligne bus
• H04L 12/403 - Réseaux à ligne bus avec commande centralisée, p. ex. interrogation
• H04L 41/12 - Découverte ou gestion des topologies de réseau
• G08B 17/00 - Alarmes d'incendieAlarmes réagissant à une explosion
• G08B 25/00 - Systèmes d'alarme dans lesquels l'emplacement du lieu où existe la condition déclenchant l'alarme est signalé à une station centrale, p. ex. systèmes télégraphiques d'incendie ou de police
• G08B 29/00 - Vérification ou contrôle des systèmes de signalisation ou d'alarmePrévention ou correction d'erreurs de fonctionnement, p. ex. empêchant le déclenchement non autorisé

Abrégé

A support assembly for a heating, ventilation, and/or air conditioning (HVAC) system includes a bracket comprising a base and an arm extending from the base. The arm includes a flange having a plurality of connectors configured to facilitate coupling to a clamp at each of a plurality of positions along the arm. The arm is configured to engage with and support a conduit of the HVAC system via the clamp.

Classes IPC  ?

• F24F 13/02 - Dispositions pour conduire l'air
• F16L 3/12 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers entourant pratiquement le tuyau, le câble ou le conduit de protection comportant un élément entourant pratiquement le tuyau, le câble ou le conduit de protection
• F16L 3/123 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers entourant pratiquement le tuyau, le câble ou le conduit de protection comportant un élément entourant pratiquement le tuyau, le câble ou le conduit de protection et s'étendant le long de la surface de fixation
• F16L 3/22 - Supports pour tuyaux, pour câbles ou pour conduits de protection, p. ex. potences, pattes de fixation, attaches, brides, colliers spécialement adaptés pour supporter un certain nombre de tuyaux parallèles séparés par un espace

Abrégé

Example implementations include a method, apparatus, and computer-readable medium for object detection, comprising detecting a first object in a first image frame and a second image frame, wherein the first object is bounded by region-of-interest (ROI) boundaries generated by an ROI detection model. The implementations further include calculating a speed of the first object using positions of the first object in the first and second image frame, identifying at least one image frame that should include the first object based on a calculated speed of the first object. The implementations further include determining that the at least one image frame should be added to a training dataset for the ROI detection model in response to detecting that the ROI detection model did not generate a ROI boundary in the at least one image frame, and subsequently re-training the ROI detection model using said training dataset.

Classes IPC  ?

• G06F 18/214 - Génération de motifs d'entraînementProcédés de Bootstrapping, p. ex. ”bagging” ou ”boosting”
• G06T 7/246 - Analyse du mouvement utilisant des procédés basés sur les caractéristiques, p. ex. le suivi des coins ou des segments
• G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
• G06V 10/62 - Extraction de caractéristiques d’images ou de vidéos relative à une dimension temporelle, p. ex. extraction de caractéristiques axées sur le tempsSuivi de modèle
• G06V 10/774 - Génération d'ensembles de motifs de formationTraitement des caractéristiques d’images ou de vidéos dans les espaces de caractéristiquesDispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant l’intégration et la réduction de données, p. ex. analyse en composantes principales [PCA] ou analyse en composantes indépendantes [ ICA] ou cartes auto-organisatrices [SOM]Séparation aveugle de source méthodes de Bootstrap, p. ex. "bagging” ou “boosting”
• G06V 20/40 - ScènesÉléments spécifiques à la scène dans le contenu vidéo

Abrégé

Example implementations include a method, system, and computer-readable medium, comprising collecting environment information by a first reader device configured to control access to a first secure area via ultrasound communications. The implementations further include determining first input information based on the environment information, the first input information. Additionally, the implementations further include determining, via a machine learning model, access intention information identifying the first secure area or a second secure area as an object of interest based on the first input information and second input information, wherein the second input information is associated with a second reader device that controls access to the second secure area and is co-located with the first reader device. Additionally, the implementations further include providing, based on the access intention information, access to one of the first secure area or the second secure area.

Classes IPC  ?

• G07C 9/28 - Enregistrement de l’entrée ou de la sortie d'une entité isolée comportant l’utilisation d’un laissez-passer le laissez-passer permettant le repérage ou signalant la présence
• G08C 23/00 - Systèmes de transmission de signaux non électriques, p. ex. systèmes optiques

Abrégé

A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system (10) includes a distillation system (102) configured to distill a mixture, a heat pump system (100) fluidly coupled to the distillation system (102), wherein the heat pump system (100) is configured to transfer heat between a working fluid circulated through the heat pump system (100) and a flow of fluid received from the distillation system (102), and a heat storage system (150) comprising a heat storage vessel (174), wherein the heat storage system (150) is configured to capture heat from the working fluid and to store the heat in the heat storage vessel (174) as a heated fluid.

Classes IPC  ?

• F25B 30/06 - Pompes à chaleur caractérisées par la source de chaleur à faible potentiel
• F25B 25/00 - Machines, installations ou systèmes utilisant une combinaison des principes de fonctionnement compris dans plusieurs des groupes
• F28D 20/00 - Appareils ou ensembles fonctionnels d'accumulation de chaleur en généralAppareils échangeurs de chaleur de régénération non couverts par les groupes ou
• B01D 3/00 - Distillation ou procédés d'échange apparentés dans lesquels des liquides sont en contact avec des milieux gazeux, p. ex. extraction

Abrégé

A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes a compressor (32), a motor (50) configured to drive a rotor of the compressor, and bearings configured to support a rotor load of the rotor. The HVAC&R system also includes a normal operation tank configured to supply a fluid in a liquid or diphasic form to lubricate the bearings or a portion thereof in normal operating conditions, and a buffer trip tank configured to supply the fluid in a vapor form to lubricate the plurality of bearings or a portion thereof in abnormal operating conditions.

Classes IPC  ?

• F16C 17/24 - Paliers à contact lisse pour mouvement de rotation exclusivement caractérisés par des particularités sans rapport avec la direction de la charge avec dispositifs affectés par des conditions anormales ou indésirables, p. ex. pour empêcher un surchauffement, pour la sécurité
• F16C 19/52 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec dispositifs affectés par des conditions anormales ou indésirables
• F16C 32/06 - Paliers non prévus ailleurs comprenant un élément mobile supporté par un coussinet de fluide engendré, au moins en grande partie, autrement que par la rotation de l'arbre, p. ex. paliers hydrostatiques à coussinet d'air
• F16C 41/00 - Autres accessoires des paliers
• F25B 31/00 - Aménagements des compresseurs
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• F16C 17/20 - Paliers à contact lisse pour mouvement de rotation exclusivement caractérisés par des particularités sans rapport avec la direction de la charge avec supports ou paliers de secours

Abrégé

An energy efficient heat pump includes a variable capacity compressor and a controller communicatively coupled to the variable capacity compressor. The controller is configured to receive a call for heating, determine an upper discharge pressure limit of the energy efficient heat pump, determine a lower discharge pressure limit of the energy efficient heat pump, determine a target discharge pressure value, where the target discharge pressure value is less than or equal to the upper discharge pressure limit and is greater than or equal to the lower discharge pressure limit, and modulate operation of the variable capacity compressor such that a detected discharge pressure of the heat pump approaches the target discharge pressure value.

Classes IPC  ?

• F25B 30/02 - Pompes à chaleur du type à compression
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

An assembly includes a frame configured to couple to a valve, an actuating arm movably coupled to the frame and configured to move a movable component of the valve to adjust a position of the movable component, and a biasing member coupled to the actuating arm and the frame. The biasing member is configured to bias the actuating arm in a first direction relative to the frame. The assembly further includes one or more shape memory alloy (SMA) elements coupled to the actuating arm and the frame. Responsive to an activation that causes the one or more SMA elements undergo a dimensional transformation, the one or more SMA elements are configured to operate against the biasing member to bias the actuating arm in a second direction opposite the first direction relative to the frame.

Classes IPC  ?

• F16K 31/02 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques

Abrégé

The present disclosure includes a heating, ventilation, and/or air-conditioning (HVAC) control system with a controller and a device communicatively coupled to the controller. The device is configured to implement an engagement protocol, wherein to grant the controller write access to protected registers of the device the engagement protocol functions to require: receiving a reset command at a reset register of the device; receiving a passcode at a passcode register of the device; matching the passcode received at the passcode register to an authentication passcode; and receiving or matching the passcode within a timeframe defined by a timer.

Classes IPC  ?

• F24F 11/63 - Traitement électronique
• G06F 21/31 - Authentification de l’utilisateur

Abrégé

A security camera system includes a base unit and sensor modules for generating image data. The base unit includes several mounting sockets arranged at different elevational and azimuthal directions around the base unit, and the sensor modules attach, for example, magnetically, to the mounting sockets. Each mounting socket includes a socket ID, which is read by a reader module of the sensor modules and used to stitch together the image data from different sensor modules. The sensor modules are powered wirelessly via induction and communicate wirelessly with the base unit via wireless transceivers and antennas.

Classes IPC  ?

• G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision
• H04B 5/72 - Systèmes de transmission en champ proche, p. ex. systèmes à transmission capacitive ou inductive spécialement adaptés à des fins spécifiques pour la communication locale à l'intérieur d’un dispositif
• H04B 5/77 - Systèmes de transmission en champ proche, p. ex. systèmes à transmission capacitive ou inductive spécialement adaptés à des fins spécifiques pour l'interrogation
• H04B 5/79 - Systèmes de transmission en champ proche, p. ex. systèmes à transmission capacitive ou inductive spécialement adaptés à des fins spécifiques pour le transfert de données en combinaison avec le transfert d'énergie
• H04N 23/45 - Caméras ou modules de caméras comprenant des capteurs d'images électroniquesLeur commande pour générer des signaux d'image à partir de plusieurs capteurs d'image de type différent ou fonctionnant dans des modes différents, p. ex. avec un capteur CMOS pour les images en mouvement en combinaison avec un dispositif à couplage de charge [CCD] pour les images fixes
• H04N 23/58 - Moyens permettant de modifier le champ de vision de la caméra sans déplacer le corps de la caméra, p. ex. par nutation ou pivotement des optiques ou des capteurs d'images
• H04N 23/60 - Commande des caméras ou des modules de caméras
• H04N 23/65 - Commande du fonctionnement de la caméra en fonction de l'alimentation électrique

Abrégé

Example aspects include methods, apparatuses, and computer-readable medium for receiving, by a computing device, data from one or more occupancy detection sensors that are mounted on or integrated within a sensor base, wherein the sensor base is mounted to a ceiling in an area of a building, wherein a primary sensor is mounted on or integrated within the sensor base; determining, by the computing device, whether the data is indicative of a change in an occupancy status of the area of the building; and adjusting, by the computing device, a sensitivity of the primary sensor responsive to the data being indicative of the change in the occupancy status of the area of the building.

Classes IPC  ?

• G08B 29/04 - Surveillance des circuits détecteurs
• G01J 5/00 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique

Abrégé

A damper for a heating, ventilation, and air conditioning (HVAC) system includes a damper frame defining an air flow path and configured to receive an air flow. The damper also includes a plurality of damper blades extending within the air flow path and across a width of the damper frame. Additionally, the damper includes a plurality of actuators. Each actuator of the plurality of actuators is configured to drive rotation of a respective damper blade of the plurality of damper blades.

Classes IPC  ?

• F24F 13/14 - Organes de réglage de l'écoulement d'air, p. ex. persiennes, grilles, volets ou plaques directrices mobiles, p. ex. registres à éléments basculants, p. ex. persiennes
• F24F 11/72 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de l’apport en air traité, p. ex. commande de la pression
• F24F 140/40 - Positions des registres, p. ex. ouverts ou fermés

Abrégé

Example implementations include a method, apparatus, and computer-readable medium comprising receiving, by a short range communication radio in a control panel, a short range communication signal transmitted by a device; determining, by the control panel, whether the device is a known device; and automatically disarming the control panel responsive to recognizing the device as the known device.

Classes IPC  ?

• G08B 25/00 - Systèmes d'alarme dans lesquels l'emplacement du lieu où existe la condition déclenchant l'alarme est signalé à une station centrale, p. ex. systèmes télégraphiques d'incendie ou de police
• G07C 9/00 - Enregistrement de l’entrée ou de la sortie d'une entité isolée
• H04W 4/80 - Services utilisant la communication de courte portée, p. ex. la communication en champ proche, l'identification par radiofréquence ou la communication à faible consommation d’énergie
• H04W 76/14 - Établissement de la connexion en mode direct

Abrégé

The present application provides a heat pump system, comprising a first one-way closed pipe assembly and a first discharge pipe assembly; the first discharge pipe assembly comprises a first discharge pipe; the first discharge pipe has a first discharge pipe outlet and a first discharge pipe inlet, the first discharge pipe inlet being connected to a first pipe, and the first discharge pipe outlet being connected to pipes and/or parts in the heat pump system except the first one-way closed pipe assembly. In the heat pump system, the first discharge pipe assembly allows a refrigerant in the first one-way closed pipe assembly to flow out of the first one-way closed pipe assembly, avoiding damage to the first one-way closed pipe assembly.

Classes IPC  ?

• F25B 30/02 - Pompes à chaleur du type à compression

Abrégé

A screw compressor, comprising: a housing (101), a pair of rotors (221), an exhaust channel (218) and a silencing device (220). The silencing device (220) is arranged in the exhaust channel (218), and the silencing device (220) comprises at least one mounting sheet (219) and a plurality of silencing units (210). The silencing device (220) is configured such that compressed gas entering the exhaust channel (218) from a rotor accommodating cavity (213) flows through a side wall (234) of the mounting sheet (219) and the silencing units (210) and then is discharged from an exhaust port (106). In addition, the silencing device (220) can balance gas pressure loss caused by the silencing device by increasing the flow area of a silencing channel, without affecting the exhaust pressure of the screw compressor.

Classes IPC  ?

• F04C 29/06 - Étouffement du bruit

Abrégé

Example aspects include a method, apparatus, and computer-readable medium for surveillance data processing for sanitation verification, comprising determining, by a processor based on area identification information received by a surveillance system of a premises, that an area of the premises requires periodic sanitation. The aspects further include determining, by the processor based on data captured by one or more sensors of the surveillance system, whether one or more persons associated with the cleaning staff profile have visited the area within a threshold period of time. Additionally, the aspects further include sending, by the processor, a first notification to a facilities management device in response to the one or more persons associated with the cleaning staff profile not having visited the area within the threshold period of time.

Classes IPC  ?

• G08B 21/24 - Alarmes aide-mémoire, p. ex. alarmes contre la perte
• G06V 20/52 - Activités de surveillance ou de suivi, p. ex. pour la reconnaissance d’objets suspects
• G07C 1/10 - Enregistrement ou indication de l'heure d'un événement ou d'un temps écoulé, p. ex. horodateurs pour la main-d'œuvre combinés avec l'enregistrement ou l'indication d'autres données, p. ex. de signes d'identification
• G07C 9/32 - Enregistrement de l’entrée ou de la sortie d'une entité isolée ne comportant pas l’utilisation d’un laissez-passer combiné à une vérification d’identité
• G07C 9/38 - Enregistrement de l’entrée ou de la sortie d'une entité isolée ne comportant pas l’utilisation d’un laissez-passer une station centrale gérant l’enregistrement
• H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c.-à-d. systèmes dans lesquels le signal vidéo n'est pas diffusé

Abrégé

A heat exchanger for a heating, ventilation, and/or air conditioning (HVAC) system includes a header having a longitudinal axis, a first plurality of microchannel tubes coupled to the header, where each microchannel tube of the first plurality of microchannel tubes has a first width, and a second plurality of microchannel tubes coupled to the header, where each microchannel tube of the second plurality of microchannel tubes has a second width greater than the first width.

Classes IPC  ?

• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement

Abrégé

A pathogen detection system for a building includes multiple pathogen detectors positioned in the building at different locations. The pathogen detectors are configured to output detection data including a detected presence of a pathogen. The pathogen detection system includes processing circuitry configured to obtain the detection data from the pathogen detectors. The processing circuitry is also configured to determine a responsive action based on the detected presence of the pathogen, and the locations. The responsive action includes a magnitude of effect and a magnitude of locality. The processing circuitry is configured to perform the responsive action or initiate the responsive action.

Classes IPC  ?

• G08B 21/12 - Alarmes pour assurer la sécurité des personnes réagissant à l'émission indésirable de substances, p. ex. alarmes de pollution
• G08B 25/14 - Dispositions centrales pour la réception ou l'indication d'une alarme

Abrégé

Example implementations include a method, apparatus, and computer-readable medium comprising determining, by a processor of a control panel, that a security event has happened, wherein the security event is associated with a user identification or authentication; capturing one or more still images or videos by at least one camera in the control panel subsequent and in response to determining that the security event has happened; and using the one or more still images or videos to perform facial recognition.

Classes IPC  ?

• G06F 21/40 - Authentification de l’utilisateur sous réserve d’un quorum, c.-à-d. avec l’intervention nécessaire d’au moins deux responsables de la sécurité
• G06F 21/32 - Authentification de l’utilisateur par données biométriques, p. ex. empreintes digitales, balayages de l’iris ou empreintes vocales
• G06V 20/40 - ScènesÉléments spécifiques à la scène dans le contenu vidéo
• G07C 9/00 - Enregistrement de l’entrée ou de la sortie d'une entité isolée
• G07C 9/25 - Enregistrement de l’entrée ou de la sortie d'une entité isolée comportant l’utilisation d’un laissez-passer combiné à une vérification d’identité du titulaire du laissez-passer utilisant des données biométriques, p. ex. des empreintes digitales, un balayage de l’iris ou une reconnaissance de la voix
• G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision
• H04N 23/61 - Commande des caméras ou des modules de caméras en fonction des objets reconnus
• H04W 4/80 - Services utilisant la communication de courte portée, p. ex. la communication en champ proche, l'identification par radiofréquence ou la communication à faible consommation d’énergie

Abrégé

Systems and methods for training and executing machine-learning models for building data conversion are disclosed. A system can identify a plurality of unstructured object names each associated with a respective object tag. The plurality of unstructured object names can correspond to a plurality of building devices of a building. The system can determine a plurality of embeddings based on the plurality of unstructured object names. The plurality of embeddings can include a position embedding. The system can train a machine-learning model based on (i) the plurality of embeddings including the position embedding, and (ii) the respective object tag of the plurality of unstructured object names. The machine-learning model can be trained to generate corrected object tags for the plurality of building devices.

Classes IPC  ?

• G06N 20/00 - Apprentissage automatique
• G05B 15/02 - Systèmes commandés par un calculateur électriques

Abrégé

Systems and methods described herein are directed to the integration and containerization of gateway components on edge devices, which may include building device gateways. A gateway executes a building device interface container that communicates, via an interface implemented by the building device interface container, with one or more building devices of the building to control or collect data from the one or more building devices. The gateway executes a processing container that processes the data from the one or more building devices. The gateway implements a virtual communication bus that facilitates communication between the building device interface container and the processing container.

Classes IPC  ?

• G06F 9/455 - ÉmulationInterprétationSimulation de logiciel, p. ex. virtualisation ou émulation des moteurs d’exécution d’applications ou de systèmes d’exploitation
• G05B 15/02 - Systèmes commandés par un calculateur électriques

Abrégé

Provided in the present application are a method and system for controlling a compressor in an air conditioning system. The method comprises controlling N compressors of an air conditioning system to operate within a plurality of operation periods. The method for controlling the N compressors to operate in one of the plurality of operation periods comprises: setting an operation period for the N compressors; setting a threshold value X for an operation time of the N compressors; during the operation period, loading all N compressors and operating same once; and if the N compressors are all loaded and accumulatively operate for an amount of time reaching the threshold value X, ending the operation period, and entering the next operation period. The present application allows a plurality of compressors to all be loaded and to operate for the same amount of time during each operation period, such that the plurality of compressors all operate in a balanced manner during each operation period, and all the compressors thus operate in a balanced manner during a plurality of operation periods. Therefore, the present application can realize even wear of compressors, thereby prolonging the service life of an air conditioning system.

Classes IPC  ?

• F24F 11/86 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
• F24F 11/61 - Aménagements de commande ou de sécurité caractérisés par des interfaces utilisateurs ou par la communication utilisant des minuteurs
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

A method, apparatus, and computer-readable medium for counting objects in an image, including receiving a first image having a first size greater than a size threshold; formatting the first image into a second image having a second size less than the first size; estimating, using a first object counting model, an initial object count in the second image; generating a third image using a first region of the first image in response to the initial object count being greater than an object count threshold, the first region corresponding to a first portion of the initial object count greater than a second portion of the initial object count corresponding to a second region of the first image; compiling an updated object count for the first image based on the updated first portion of the initial object count in the third image; and transmitting a notification based on the updated object count.

Classes IPC  ?

• G06V 10/25 - Détermination d’une région d’intérêt [ROI] ou d’un volume d’intérêt [VOI]
• G06V 20/52 - Activités de surveillance ou de suivi, p. ex. pour la reconnaissance d’objets suspects

Abrégé

A valve assembly, includes a valve body having an inlet portion, an outlet portion, and a constriction portion; a shaft positioned within the valve body and extending along a longitudinal axis of the valve body; a cone provided within the inlet portion and configured to move along the shaft; a spring configured to bias the cone away from the constriction and positioned between a first piston fixed to the cone and a second piston fixed to the shaft; and an adjustable spacer positioned between a fixed position on the shaft and the second piston. The adjustable spacer is adjustable in length to change an effective length of the adjustable spacer and change a position of the second piston on the shaft.

Classes IPC  ?

• F16K 5/10 - Dispositifs pour le réglage additionnel du débit
• F16K 5/16 - Dispositions particulières pour tenir écartées les faces d'obturation ou pour les presser l'une contre l'autre dans le cas des boisseaux à surface conique
• F16K 47/02 - Moyens incorporés aux soupapes pour absorber l'énergie d'un fluide pour empêcher les coups de bélier ou le bruit

Abrégé

A building management system including one or more storage devices storing instructions thereon that, when executed by one or more processors, cause the one or more processors to ingest asset information; cause a graphical model of the building to include a fault indicator based on the asset information, the fault indicator corresponding to a fault occurring on a first physical asset corresponding to a first virtual asset; cause a display device of a user device to display the graphical model within a user interface; receive a selection of the fault indicator from a user via the user interface; and in response to receiving the selection, cause the user interface to navigate to a fault-driven view of the graphical model depicting the first virtual asset and one or more second virtual assets corresponding to one or more second physical assets affected by the fault occurring on the first physical asset.

Classes IPC  ?

• G05B 23/02 - Test ou contrôle électrique
• G05B 15/02 - Systèmes commandés par un calculateur électriques

Abrégé

Embodiments of the present disclosure relate to an air handling unit having a housing that defines an air flow path therethrough, a heat exchanger disposed within the air flow path and configured to flow a working fluid therethrough, and a nozzle configured to deliver a fire suppression agent into the air flow path.

Classes IPC  ?

• A62C 2/06 - Barrières coupe-feu
• A62C 35/00 - Matériel installé à demeure
• A62C 35/02 - Matériel installé à demeure avec des réservoirs pour délivrer la substance extinctrice
• F24F 11/33 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques au feu, aux températures excessives ou à la fumée

Abrégé

A building system of a building including one or more memory devices having instructions thereon, that, when executed by one or more processors, cause the one or more processors to manage a plurality of entitlements for a plurality of subscriptions of one or more buildings with a building entitlement model, receive a first request to perform a first operation for a first subscription and a second request to perform a second operation for a second subscription, and implement the first operation on first computing resources of a first zone based on the building entitlement model in response to a first determination that the first subscription has the first entitlement and implement the second operation on second computing resources of the second zone based on the building entitlement model in response to a second determination that the second subscription has the second entitlement.

Classes IPC  ?

• H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p. ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]
• G05B 13/02 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
• G05B 13/04 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
• G05B 15/02 - Systèmes commandés par un calculateur électriques
• G05B 17/02 - Systèmes impliquant l'usage de modèles ou de simulateurs desdits systèmes électriques
• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
• G06F 9/54 - Communication interprogramme
• G06F 16/21 - Conception, administration ou maintenance des bases de données
• G06F 16/23 - Mise à jour
• G06F 16/2452 - Traduction des requêtes
• G06F 16/2457 - Traitement des requêtes avec adaptation aux besoins de l’utilisateur
• G06F 16/25 - Systèmes d’intégration ou d’interfaçage impliquant les systèmes de gestion de bases de données
• G06F 16/27 - Réplication, distribution ou synchronisation de données entre bases de données ou dans un système de bases de données distribuéesArchitectures de systèmes de bases de données distribuées à cet effet
• G06F 16/28 - Bases de données caractérisées par leurs modèles, p. ex. des modèles relationnels ou objet
• G06F 16/901 - IndexationStructures de données à cet effetStructures de stockage
• G06F 21/60 - Protection de données
• G06F 30/13 - Conception architecturale, p. ex. conception architecturale assistée par ordinateur [CAAO] relative à la conception de bâtiments, de ponts, de paysages, d’usines ou de routes
• G06Q 30/04 - Facturation
• G06Q 50/00 - Technologies de l’information et de la communication [TIC] spécialement adaptées à la mise en œuvre des procédés d’affaires d’un secteur particulier d’activité économique, p. ex. aux services d’utilité publique ou au tourisme
• G06Q 50/06 - Fourniture d’énergie ou d’eau
• H04L 43/062 - Génération de rapports liés au trafic du réseau
• H04L 67/12 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p. ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance
• H04L 67/561 - Ajout de données fonctionnelles à l’application ou de données de commande de l’application, p. ex. métadonnées

Abrégé

A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system includes a compressor having an impeller configured to rotate to pressurize a working fluid and direct pressurized working fluid through a diffuser passage of the compressor and an adjustable vane assembly. The adjustable vane assembly includes a vane configured to extend into the diffuser passage and to guide flow of the pressurized working fluid through the diffuser passage, and the adjustable vane assembly is actuatable to adjust a position of the vane within the diffuser passage.

Classes IPC  ?

• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• F25B 31/02 - Groupes moto-compresseurs
• F25B 1/053 - Machines, installations ou systèmes à compression à cycle irréversible à compresseur rotatif du type à turbine
• F25B 25/00 - Machines, installations ou systèmes utilisant une combinaison des principes de fonctionnement compris dans plusieurs des groupes
• F04D 27/02 - Contrôle de l'emballement
• F04D 29/46 - Moyens de guidage du fluide, p. ex. diffuseurs réglables
• F04D 17/10 - Pompes centrifuges pour la compression ou l'épuisement

Abrégé

A compressor for a heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system includes an impeller having a hub, a shroud, a first blade portion extending between the hub and the shroud, and a second blade portion extending external to the shroud along a direction of extension of the first blade portion from the hub to the shroud.

Classes IPC  ?

• F04D 17/10 - Pompes centrifuges pour la compression ou l'épuisement
• F04D 29/22 - Rotors spécialement pour les pompes centrifuges
• F04D 29/24 - Aubes
• F04D 29/28 - Rotors spécialement adaptés aux fluides compressibles pour pompes centrifuges ou hélicocentrifuges
• F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges
• F04D 25/06 - Ensembles comprenant des pompes et leurs moyens d'entraînement la pompe étant entraînée par l'électricité
• F25B 41/40 - Agencements de conduites de fluide
• F25B 1/053 - Machines, installations ou systèmes à compression à cycle irréversible à compresseur rotatif du type à turbine

Abrégé

A volute assembly includes a volute (112), where the volute (112) includes a volute body (122) and a discharge tube (124), the volute body (122) defines an inner chamber (132), the discharge tube (124) defines a discharge flow channel (134), the volute body (122) and the discharge tube (124) are connected with each other, and the discharge flow channel (134) is in communication with the inner chamber (132). The volute assembly also includes a volute tongue (114), where the volute tongue (114) is detachably mounted to the volute (112), and is configured in such a manner that the inner chamber (132) and the discharge flow channel (134) are located on opposite sides of the volute tongue (114) when the volute tongue (114) is mounted to the volute (112).

Classes IPC  ?

• F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges

Abrégé

An energy efficient heat pump (102) includes a working fluid circuit (108) configured to circulate a working fluid, where the working fluid circuit (108) includes a compressor (130), a first heat exchanger (104), a second heat exchanger (106), a first expansion device (122), an economizer (180), and a reversing valve (150), where the reversing valve (150) is configured to adjust a flow direction of the working fluid through the working fluid circuit (108). The energy efficient heat pump (102) also includes a first conduit (182) of the working fluid circuit (108), where the first conduit (182) extends between the first heat exchanger (104) and the second heat exchanger (106), the economizer (180) is disposed along the first conduit (182), and the first conduit (182) is configured to direct the working fluid between the first heat exchanger (104) and the second heat exchanger (108) and through the economizer (180). The energy efficient heat pump (102) further includes an injection conduit (200) extending from the first conduit (182) to an injection port (140) of the compressor (130), where the injection conduit (200) includes a second expansion device (202), and the injection conduit (200) is configured to direct a portion of the working fluid from the working fluid circuit (108), through the second expansion device (202), through the economizer (180), and to the injection port (140) of the compressor (130) to inject of the portion of the working fluid into the compressor (130).

Classes IPC  ?

• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• F25B 30/02 - Pompes à chaleur du type à compression
• F25B 41/40 - Agencements de conduites de fluide
• F25B 41/31 - Soupapes de détente

Abrégé

An energy efficient heating, ventilation, and air conditioning (HVAC) system includes a variable capacity compressor configured to operate at a plurality to operating capacities and a control system communicatively coupled to the variable capacity compressor. The control system is configured to receive data indicative of a temperature within a conditioned space, receive data indicative of a set point temperature of the conditioned space, initialize operation of the variable capacity compressor, and ramp up operation of the variable capacity compressor to an intermediate operating capacity of the plurality of operating capacities during initial operation of the variable capacity compressor, where the intermediate operating capacity is less than a full operating capacity of the plurality of operating capacities.

Classes IPC  ?

• F24F 11/62 - Aménagements de commande ou de sécurité caractérisés par le type de commande ou par le traitement interne, p. ex. utilisant la logique floue, la commande adaptative ou l'estimation de valeurs
• F25B 30/02 - Pompes à chaleur du type à compression
• G05B 19/42 - Systèmes d'enregistrement et de reproduction, c.-à-d. dans lesquels le programme est enregistré à partir d'un cycle d'opérations, p. ex. le cycle d'opérations étant commandé à la main, après quoi cet enregistrement est reproduit sur la même machine

Abrégé

A heating, ventilation, and air conditioning (HVAC) system. The HVAC system includes a sensor that detects a temperature of a heater of a heating component and emits a signal indicative of the temperature. A flow management device controls a flow of electricity or fuel from a power source to the heating component. A controller receives the signal from the sensor and operates the flow management device to block the flow of electricity or fuel to the heating component when the signal is indicative of the temperature being above a set point.

Classes IPC  ?

• F24F 11/873 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des appareils de chauffage du réfrigérant
• F24F 11/32 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques
• F24F 110/30 - Vitesse
• F24F 110/40 - Pression, p. ex. pression du vent
• F24F 140/20 - Température du fluide échangeur de chaleur
• G01J 5/00 - Pyrométrie des radiations, p. ex. thermométrie infrarouge ou optique
• G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
• G08B 21/18 - Alarmes de situation

Abrégé

A method for detecting an event in or around a building. The method includes recording a baseline signal characteristic that characterizes a wireless signal transmitted between devices in or around the building during a baseline time period and recording a second signal characteristic that characterizes the wireless signal during a second time period after the baseline time period. An event in or around the building is detected in response to a determination that the second signal characteristic is abnormal relative to the baseline signal characteristic, the event degrading the wireless signal during the second time period. An alarm is triggered in response to detecting the event.

Classes IPC  ?

• A62C 37/40 - Commande des installations de lutte contre l'incendie le signal de déclenchement étant émis par un détecteur distinct de la tuyère par le détecteur et par le déclencheur, p. ex. une soupape, qui se trouvent tous les deux dans la zone de danger avec une liaison électrique entre le détecteur et le déclencheur
• A62C 3/02 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers pour des zones d'embrasement, p. ex. des incendies de forêts, des feux souterrains
• A62C 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• G08B 17/06 - Déclenchement électrique de l'alarme, p. ex. utilisant un interrupteur actionné thermiquement
• G08B 17/10 - Déclenchement par la présence de fumée ou de gaz
• G08B 25/00 - Systèmes d'alarme dans lesquels l'emplacement du lieu où existe la condition déclenchant l'alarme est signalé à une station centrale, p. ex. systèmes télégraphiques d'incendie ou de police
• G08B 25/10 - Systèmes d'alarme dans lesquels l'emplacement du lieu où existe la condition déclenchant l'alarme est signalé à une station centrale, p. ex. systèmes télégraphiques d'incendie ou de police caractérisés par le moyen de transmission utilisant des systèmes de transmission sans fil

Abrégé

The present disclosure relates to a heating, ventilation, and/or air conditioning (HVAC) system that includes a condensate collection assembly. The condensate collection assembly includes a drain pan configured to collect condensate generated by a heat exchanger of an HVAC system. The condensate collection assembly also includes a condensate capture receptacle configured to couple to the heat exchanger and overlap with the heat exchanger relative to a direction of air flow across the heat exchanger. The condensate capture receptacle is further configured to discharge condensate to the drain pan, and to be suspended above the drain pan relative to a direction of gravity.

Classes IPC  ?

• F24D 19/08 - Dispositions pour la purge, la mise à l'air libre ou l'aération
• F24F 1/36 - Bacs d'égouttage pour éléments extérieurs
• F24F 11/30 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance
• F24F 13/22 - Moyens pour éviter la condensation ou pour évacuer le condensat
• F25B 39/00 - ÉvaporateursCondenseurs
• F25D 21/14 - Ramassage et évacuation du condensat ou de l'eau de dégivrageBacs de dégivrage

Abrégé

A method of access control includes receiving an access request transaction from one of a first identity sensor. Current confidence information is determined for the access request transaction. Prior confidence information is determined for at least one prior access request transaction associated with the user from at least one second identity sensor. A total confidence score value is generated based on a confidence function applied to the current confidence information and the prior confidence information. The total confidence score value is compared with a confidence threshold value for the secure resource associated with the access request transaction. Access to the secure resource is granted, in response to determining that the total confidence score value meets the confidence threshold value. The access to the secure resource is denied, in response to determining that the total confidence score value does not meet the confidence threshold value.

Classes IPC  ?

• G07C 9/25 - Enregistrement de l’entrée ou de la sortie d'une entité isolée comportant l’utilisation d’un laissez-passer combiné à une vérification d’identité du titulaire du laissez-passer utilisant des données biométriques, p. ex. des empreintes digitales, un balayage de l’iris ou une reconnaissance de la voix
• G07C 9/27 - Enregistrement de l’entrée ou de la sortie d'une entité isolée comportant l’utilisation d’un laissez-passer une station centrale gérant l’enregistrement
• G07C 9/28 - Enregistrement de l’entrée ou de la sortie d'une entité isolée comportant l’utilisation d’un laissez-passer le laissez-passer permettant le repérage ou signalant la présence
• G07C 9/37 - Enregistrement de l’entrée ou de la sortie d'une entité isolée ne comportant pas l’utilisation d’un laissez-passer combiné à une vérification d’identité utilisant des données biométriques, p. ex. des empreintes digitales, un balayage de l’iris ou une reconnaissance de la voix
• G07C 9/38 - Enregistrement de l’entrée ou de la sortie d'une entité isolée ne comportant pas l’utilisation d’un laissez-passer une station centrale gérant l’enregistrement

Abrégé

Example implementations include a method, apparatus and computer-readable medium for estimating a real world distance in an image, comprising obtaining an image from a camera installed in an environment and identifying, in the image, a first set of parallel lines on a real world ground plane and a second set of parallel lines on the real world ground plane. The implementations include determining a first intersection point of the first set of parallel lines and a second intersection point of the second set of parallel lines, identifying a ground line connecting the first intersection point and the second intersection point, and estimating an internal camera matrix based on a focal length and an image size associated with the camera. The implementations include calibrating the camera for real world distance measurement by determining a perpendicular vector to the ground line based on the internal camera matrix.

Classes IPC  ?

• G06T 7/80 - Analyse des images capturées pour déterminer les paramètres de caméra intrinsèques ou extrinsèques, c.-à-d. étalonnage de caméra
• G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques

Abrégé

Example implementations include a method, apparatus and computer-readable medium for estimating a real world height in an image, comprising obtaining two images of an object, with known height, wherein each image depicts the object at a different position that is estimated using a homography matrix. The homography matrix transforms an image plane associated with the image to a real world plane. The implementations include generating a first vector that intersects with the object and points to a real world ground plane using the first image and a second vector that intersects with the same point on the object and points to the real world ground plane using the second image. Additionally, the implementations further include calibrating the camera by determining a height of the center of a camera lens of the camera using an intersection of the first vector and the second vector.

Classes IPC  ?

• G06T 7/80 - Analyse des images capturées pour déterminer les paramètres de caméra intrinsèques ou extrinsèques, c.-à-d. étalonnage de caméra
• G06T 7/73 - Détermination de la position ou de l'orientation des objets ou des caméras utilisant des procédés basés sur les caractéristiques

Abrégé

A system including a processing circuit configured to receive tags describing points of a piece of equipment, the piece of equipment connected to the system. The processing circuit configured to map the tags to classes of a schema of a graph data structure. The processing circuit configured to perform clustering to generate clusters of the points. The processing circuit configured to identify, based on the clusters, relationships in the schema of the graph data structure between the tags mapped to the classes of the schema of the graph data structure. The processing circuit configured to communicate data to a second system based at least in part on the tags mapped to the classes and the relationships.

Classes IPC  ?

• G06F 16/21 - Conception, administration ou maintenance des bases de données
• G06F 16/901 - IndexationStructures de données à cet effetStructures de stockage
• G06F 30/13 - Conception architecturale, p. ex. conception architecturale assistée par ordinateur [CAAO] relative à la conception de bâtiments, de ponts, de paysages, d’usines ou de routes

Abrégé

A compressor includes a rotatable impeller configured to increase a pressure of one or more fluids from a compressor inlet to a compressor outlet. The compressor includes a primary and a secondary impeller section respectively having a first and a second set of impeller blades and respectively configured to pressurize a first and a second fluid source. In another aspect, a refrigeration system includes a condenser, an evaporator, an expansion apparatus, an economizer or intercooler, and a compressor. The compressor includes a rotatable impeller with a primary impeller section having a first set of impeller blades and configured to pressurize a refrigerant received from the evaporator, and a secondary impeller section with a second set of impeller blades configured to pressurize refrigerant received from the economizer or intercooler.

Classes IPC  ?

• F04D 29/28 - Rotors spécialement adaptés aux fluides compressibles pour pompes centrifuges ou hélicocentrifuges
• F04D 29/30 - Aubes
• F25B 5/00 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p. ex. pour faire varier la puissance frigorifique

Abrégé

An energy efficient heat pump (102) for a heating, ventilation, and air conditioning (HVAC) system (100) includes a working fluid circuit (108) and a first conduit (202) of the working fluid circuit (108), where the first conduit (202) extends between a first heat exchanger (104) and a second heat exchanger (106) of the working fluid circuit (108). The energy efficient heat pump (102) also includes a compressor (130) disposed along the working fluid circuit (108), where the compressor (130) is configured to direct a working fluid along the working fluid circuit (108), and the compressor (130) includes a suction port (134) and an injection port (140). The energy efficient heat pump (102) further includes an injection conduit (200) extending from the first conduit (202) to the injection port (140) of the compressor (130), where the injection conduit (200) includes an expansion device (206), and the injection conduit (200) is configured to direct a portion of the working fluid from the working fluid circuit (108), through the expansion device (206), and to the injection port (140).

Classes IPC  ?

• F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• F25B 31/02 - Groupes moto-compresseurs
• F25B 41/34 - Soupapes de détente l’organe de soupape étant actionné par des moyens électriques, p. ex. par des actionneurs piézo-électriques

Abrégé

A building management system includes a communications bus, and devices coupled to the communications bus. The devices are coupled to the communications bus and configured to communicate on the communications bus using a master-slave token passing protocol. A first one of the devices has an active node table stored therein. The active node table includes multiple nodes. Each node represents one of the devices participating in a token passing ring used to exchange information among the devices via the communications bus using the master-slave token passing protocol. The first device is configured to monitor the active node table for new nodes and to identify a new device communicating on the communications bus in response to a determination that the active node table includes a new node.

Classes IPC  ?

• G06F 13/42 - Protocole de transfert pour bus, p. ex. liaisonSynchronisation
• G05B 15/02 - Systèmes commandés par un calculateur électriques
• G06F 13/362 - Gestion de demandes d'interconnexion ou de transfert pour l'accès au bus ou au système à bus communs avec commande d'accès centralisée
• H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p. ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]
• H04L 41/0806 - Réglages de configuration pour la configuration initiale ou l’approvisionnement, p. ex. prêt à l’emploi [plug-and-play]

Abrégé

A hydrogen gas filling system includes a chiller configured to cool a first fluid, a condensing unit configured to place the first fluid and a second fluid in a first heat exchange relationship, and a flooded evaporator having a housing shell, a gas suction pipe disposed in the housing shell, and a tube bundle disposed in the housing shell. The flooded evaporator is configured to receive a liquid of the second fluid in the housing shell such that the tube bundle is submerged in the liquid, receive a compressed hydrogen gas in the tube bundle such that a second heat exchange relationship between the compressed hydrogen gas and the liquid of the second fluid cools the compressed hydrogen gas and evaporates the liquid into a gas of the second fluid, and remove the gas from the housing shell via the gas suction pipe.

Classes IPC  ?

• F17C 5/06 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz comprimés
• F17C 13/02 - Adaptations spéciales des dispositifs indicateurs, de mesure ou de contrôle

Abrégé

The present application provides a condenser, comprising: a housing, a first heat exchange tube set, a second heat exchange tube set, and a third heat exchange tube set, a pair of first baffles, a second baffle, and a third baffle, the second heat exchange tube set and the third heat exchange tube set being arranged at two sides of the first heat exchange tube set, each of the pair of first baffles being respectively adjacent to the two sides of the first heat exchange tube set, the second baffle being adjacent to one side of the second heat exchange tube set that is close to the first heat exchange tube set, and the third baffle being adjacent to one side of the third heat exchange tube set that is close to the first heat exchange tube set, wherein the pair of first baffles, the second baffle, and the third baffle are configured to cause the first heat exchange tube set to receive a refrigerant from a refrigerant inlet, and cause the second heat exchange tube set and the third heat exchange tube set to receive the refrigerant from the first heat exchange tube set via a horizontal fluid channel, and a first vertical fluid channel and a second vertical fluid channel. The condenser in the present application has high heat exchange efficiency.

Classes IPC  ?

• F25B 39/04 - Condenseurs

Abrégé

A measurement apparatus (100), which is arranged on a pipe (101), and is configured to measure the liquid content of a medium within the pipe (101); said apparatus comprises: a light transmission member (210), a light generation device (203), and a light reception device (204); the light generation device (203) is configured to emit emission light toward the light transmission member (210) that passes through an outer boundary wall (214) of the light transmission member (210) and has a preset emission angle, and the light reception device (204) is configured to receive reflection light after the emission light is reflected by an inner boundary wall (215) of the light transmission member (210). The measurement apparatus (100) can directly detect whether liquid is carried in a gaseous refrigerant exiting from an evaporator, as well as measure the amount of carried liquid. The refrigeration system can adjust a throttling apparatus in a timely manner according to a measured result, and prevents the performance of the refrigeration system and a compressor from being affected.

Classes IPC  ?

• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• G01N 21/59 - Transmissivité

Abrégé

The present disclosure relates to a building management system (BMS) comprising one or more field equipment controllers, and at least one containerized engine configured within a server to control the one or more field equipment controllers.

Classes IPC  ?

• G05B 15/02 - Systèmes commandés par un calculateur électriques

Abrégé

A monitoring system is configured to monitor an environment within an enclosure of a heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system. The monitoring system includes a sensor configured to acquire data indicative of an environmental parameter value within the enclosure. The monitoring system also includes a controller configured to receive the data from the sensor, to determine occurrence of a thermal event within the enclosure based on the data, and to instruct a circuit breaker of the HVAC&R system to transition to a fault configuration in response to determining the occurrence of the thermal event.

Classes IPC  ?

• F24F 11/38 - Diagnostic des défaillances
• F24F 11/52 - Aménagements pour l’indication, p. ex. écrans
• F24F 11/88 - Aspects électriques, p. ex. circuits
• F24F 11/89 - Aménagements ou montage des dispositifs de commande ou de sécurité
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

A process liquid filter system for a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes a plurality of process liquid filters arranged in parallel with one another relative to flow of process liquid through the process liquid filter system, where each process liquid filter of the plurality of process liquid filters includes an inlet valve configured to receive unfiltered process liquid and an outlet valve configured to discharge filtered process liquid. The process liquid filter system also includes a purge system having a respective purge inlet valve coupled to each process liquid filter of the plurality of process liquid filters, where each respective purge inlet valve is configured to control flow of a purge gas into the process liquid filter corresponding to the respective purge inlet valve, and a respective purge discharge valve coupled to each process liquid filter of the plurality of process liquid filters, where each respective purge discharge valve is configured to discharge the filtered process liquid from the process liquid filter corresponding to the respective purge discharge valve.

Classes IPC  ?

• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur
• F25B 43/04 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur pour l'évacuation des gaz non condensables
• F25B 31/00 - Aménagements des compresseurs
• F25B 41/20 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit

Abrégé

A method for communication between a plurality of security sensors includes identifying and tracking a potential security threat by a first security sensor. One or more security sensors located within a predefined proximity of the first security sensor are identified by the first security sensor. Status information and location information of each of the one or more security sensors are received by the first security sensor. A second security sensor is selected from the one or more security sensors based on the status information and the location information. The second security sensor is configured to track the potential security threat. Information related to the potential security threat is transmitted by the first security sensor to the second security sensor.

Classes IPC  ?

• G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision

Abrégé

A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system (100) includes an evaporator (112) configured to place a working fluid in a heat exchange relationship with a cooling load (106) to cool the cooling load (106) and heat the working fluid, a first compressor (108) configured to receive the working fluid heated via the evaporator (112) and configured to pressurize the working fluid, a second compressor (114) configured to receive the working fluid pressurized by the first compressor (112), a condenser (118) configured to receive the working fluid from the second compressor (114) and place the working fluid in a heat exchange relationship with a heating load (107) to heat the heating load (107) and cool the working fluid; and an economizer (120) configured to receive the working fluid cooled by the condenser (118), place the working fluid in a heat exchange relationship with an external fluid to condition the working fluid in the economizer (120), separate the working fluid into vapor working fluid and liquid working fluid, and direct the liquid working fluid toward the evaporator (112).

Classes IPC  ?

• F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• F25B 41/40 - Agencements de conduites de fluide
• F25B 41/20 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit

Abrégé

A heating, ventilation, air conditioning, and refrigeration system includes: two or more cooling coils configured to receive a flow of a refrigerant; a mechanical cooling loop in fluid communication with the two or more cooling coils; a free-cooling loop in fluid communication with the cooling coils; a pump in fluid communication with the cooling coils; and a controller. The controller is configured to operate a speed of the pump to apportion the flow of the refrigerant between the two or more cooling coils such that a first portion of the refrigerant flowing through at least one of the two or more cooling coils is flowing along the mechanical cooling loop and a second portion of the refrigerant flowing through at least one of the two or more cooling coils is flowing along the free-cooling loop. The mechanical cooling loop and the free-cooling loop are configured to operate simultaneously.

Classes IPC  ?

• F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
• F25B 25/00 - Machines, installations ou systèmes utilisant une combinaison des principes de fonctionnement compris dans plusieurs des groupes
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

Example implementations include a refrigeration system including a compressor having a rotor separating a low pressure side from a high pressure side, a sump having a first fluid connection to the low pressure side of the compressor and a second fluid connection to the high pressure side of the compressor, a vent pipe fluidly connecting the first fluid connection and the second fluid connection, an intermediate reservoir located within the second fluid connection between the high pressure side of the compressor and the sump, wherein the intermediate reservoir is configured to collect oil from the compressor, and a valve located within the second fluid connection between the intermediate reservoir and the sump, wherein the valve is configured to release at least a portion of the oil from the intermediate reservoir in response to a level of the oil in the intermediate reservoir exceeding a liquid level set point.

Classes IPC  ?

• F25B 31/00 - Aménagements des compresseurs
• F25B 43/02 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur pour la séparation des lubrifiants du frigorigène

Abrégé

Systems, methods, and non-transitory computer-readable media for optimization and autoconfiguration of edge processing devices are disclosed. A cloud computing system can receive a request to configure a target building device. The cloud computing system can identify, based on the target building device, a connector template for the target building device. The connector template can include one or more parameters for a connector component configured to cause the target building device to communicate with the cloud computing system, cloud computing system can generate the connector component for the target building device based on the one or more parameters, cloud computing system can deploy the connector component to the target building device.

Classes IPC  ?

• H04L 41/0806 - Réglages de configuration pour la configuration initiale ou l’approvisionnement, p. ex. prêt à l’emploi [plug-and-play]
• H04L 67/10 - Protocoles dans lesquels une application est distribuée parmi les nœuds du réseau
• H04L 67/00 - Dispositions ou protocoles de réseau pour la prise en charge de services ou d'applications réseau

Abrégé

Example implementations include a method, apparatus, and computer-readable medium for a wireless router. The router includes a first radio frequency (RE) modem and a hardware card slot configured to receive an RE modem card configured to communicate according to a second RE protocol with one or more electronic devices. The router is configured to identify first events based on the traffic on a first WLAN protocol; translate the input received from the one or more electronic devices to a feature of a device profile; identify second events based on input received from the one or more electronic devices via the second RE protocol; generate a command to control a first device of the wireless devices or the electronic devices based on the device; and translate the command from the device profile of the first device to the first WLAN protocol or the second RF protocol.

Classes IPC  ?

• H04L 67/12 - Protocoles spécialement adaptés aux environnements propriétaires ou de mise en réseau pour un usage spécial, p. ex. les réseaux médicaux, les réseaux de capteurs, les réseaux dans les véhicules ou les réseaux de mesure à distance
• H04L 67/1396 - Protocoles spécialement adaptés pour surveiller l'activité des utilisateurs
• H04L 67/303 - Profils des terminaux
• H04L 67/565 - Conversion ou adaptation du format ou du contenu d'applications
• H04L 69/08 - Protocoles d’interopérabilitéConversion de protocole
• H04L 69/18 - Gestionnaires multi-protocoles, p. ex. dispositifs uniques capables de gérer plusieurs protocoles
• H04W 4/33 - Services spécialement adaptés à des environnements, à des situations ou à des fins spécifiques pour les environnements intérieurs, p. ex. les bâtiments

Abrégé

An acoustically absorptive system for a heating, ventilation, and/or air conditioning (HVAC) system includes a panel assembly. The panel assembly includes at least one acoustic absorptive member and a porous housing disposed about the at least one acoustic absorptive member such that a porous layer of the housing covers the at least one acoustic absorptive member at opposing faces of the panel assembly. A mounting assembly positions the panel assembly in a chamber of the HVAC system such that a gap is defined between a rear surface of the panel assembly and a wall of the chamber, the mounting assembly including one or more channels attached to the chamber.

Classes IPC  ?

• F24F 13/02 - Dispositions pour conduire l'air
• G10K 11/16 - Procédés ou dispositifs de protection contre le bruit ou les autres ondes acoustiques ou pour amortir ceux-ci, en général

Abrégé

The present disclosure discloses a flash tank (200) for an HVAC system (100) that minimizes liquid carryover and make its size be smaller. The flash tank (200) includes a housing (210) that houses one or more flashing units (250). The flashing unit (250) comprises an inner shell (270), an outer shell (280) maintaining a gap (290) with the inner shell (270), and one or more inlets (310) to direct flow of refrigerant through the gap (290) to aid partial evaporation of the refrigerant.

Classes IPC  ?

• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur

Abrégé

A HVAC&R system (10) may include a compressor (32) to motivate a working fluid through a vapor compression circuit and a condenser (34) disposed along the vapor compression circuit to transfer heat from the working fluid to one or more condenser conditioning fluids (82). The HVAC&R system (10) may also include a double bundle evaporator (92) disposed along the vapor compression circuit having a first evaporator tube bundle (58) and a second evaporator tube bundle (58). Additionally, the double bundle evaporator (92) may selectively transfer heat to the working fluid from a first evaporator conditioning fluid (84) operatively within the first evaporator tube bundle (58), a second evaporator conditioning fluid (84) operatively within the second evaporator tube bundle (58), or both. Moreover, the first evaporator tube bundle (58) may be fluidly coupled to an air distribution system via a first fluid circuit, and the second evaporator tube bundle may be fluidly coupled to a heat source (62) independent of the air distribution system.

Classes IPC  ?

• F25B 25/00 - Machines, installations ou systèmes utilisant une combinaison des principes de fonctionnement compris dans plusieurs des groupes
• F25B 39/02 - Évaporateurs
• F25B 39/04 - Condenseurs
• F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou

Abrégé

A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system (10) may include a compressor (32) to motivate a working fluid through a vapor compression circuit and an evaporator (38) disposed along the vapor compression circuit to transfer heat to the working fluid from one or more evaporator conditioning fluids (84). The HVAC&R system (10) may also include a multi-bundle condenser (94), disposed along the vapor compression circuit, having at least two condenser tube bundles (54). Additionally, the multi-bundle condenser (94) may selectively transfer heat from the working fluid to a first condenser conditioning fluid (82) operatively within a first condenser tube bundle (54) fluidly coupled to a cooling tower (56) via a first fluid circuit, a second condenser conditioning fluid (82) operatively within a second condenser tube bundle (54), or both.

Classes IPC  ?

• F25B 39/04 - Condenseurs
• F25B 30/06 - Pompes à chaleur caractérisées par la source de chaleur à faible potentiel
• F28D 7/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
• F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes

Abrégé

A generator (120), comprising: a housing (200), and a housing accommodating cavity (303) defined by the housing (200). The housing accommodating cavity (303) comprises an upper accommodating cavity portion (304), a middle accommodating cavity portion (306) and a lower accommodating cavity portion (308), wherein a first heat-exchange tube group (382) is arranged in the upper accommodating cavity portion (304), and is immersed in an upper solution; a second heat-exchange tube group (384) is arranged in the lower accommodating cavity portion (308); and a distributor (307) is arranged in the middle accommodating cavity portion (306), and the distributor (307) receives the upper solution from the upper accommodating cavity portion (304) and distributes the upper solution discharged from the upper accommodating cavity portion (304) onto the second heat-exchange tube group (384). By means of dividing a heat-exchange tube group into two heat-exchange tube groups, the height of the upper flooded heat-exchange tube group (382) is decreased, thereby reducing the influence of hydrostatic pressure on a bottom pipeline; and the lower falling-film heat-exchange tube group (384) is far away from a high-temperature heat source inlet, which effectively prevents the solution from crystallizing at the falling-film heat-exchange tube group due to an excessive temperature difference.

Classes IPC  ?

• F25B 33/00 - BouilleursAnalyseursRectificateurs
• F25B 37/00 - AbsorbeursAdsorbeurs
• F25B 41/40 - Agencements de conduites de fluide
• F25B 39/02 - Évaporateurs
• F25B 39/04 - Condenseurs

Abrégé

12122.

Classes IPC  ?

• F04D 29/44 - Moyens de guidage du fluide, p. ex. diffuseurs
• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage

Abrégé

Provided in the present application are a heat pump system and a four-way valve. The heat pump system comprises a compressor, a first circulation path, a second circulation path, a third circulation path and a four-way valve. The heat pump system has a complete refrigeration and partial heating mode or a complete heating and partial refrigeration mode. When the heat pump system is in the complete refrigeration and partial heating mode, the four-way valve can be adjusted so as to adjust the flow rate of a fluid flowing through the first circulation path and the third circulation path. When the heat pump system is in the complete heating and partial refrigeration mode, the four-way valve can be adjusted so as to adjust the flow rate of the fluid flowing through the second circulation path and the third circulation path. According to the present application, when the heat pump system is in the complete refrigeration and partial heating mode, the heating capacity can be adjusted; and when the heat pump system is in the complete heating and partial refrigeration mode, the refrigerating capacity can be adjusted.

Classes IPC  ?

• F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
• F25B 41/20 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit
• F25B 41/40 - Agencements de conduites de fluide
• F25B 39/00 - ÉvaporateursCondenseurs
• F25B 47/02 - Cycles de dégivrage
• F16K 11/085 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des robinets à boisseau à noix cylindrique

Abrégé

The present application provides an evaporator, comprising: a housing, a first heat exchange tube set, a second heat exchange tube set, a first side heat exchange tube baffle device, a second side heat exchange tube baffle device, and a redistribution device. The first heat exchange tube set is located above the second heat exchange tube set, and the number of columns of the first heat exchange tube set is greater than that of the second heat exchange tube set. The first side heat exchange tube baffle device and the second side heat exchange tube baffle device are respectively disposed on two opposite sides of the first heat exchange tube set and the second heat exchange tube set, and are arranged along the outer contours of the first heat exchange tube set and the second heat exchange tube set, so as to guide a refrigerant to flow from the first heat exchange tube set to the second heat exchange tube set. The redistribution device is disposed between the first heat exchange tube set and the second heat exchange tube set to evenly distribute the refrigerant to the second heat exchange tube set. The evaporator in the present application has higher heat exchange efficiency.

Classes IPC  ?

• F25B 39/02 - Évaporateurs
• F28D 3/02 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes pour une seule des sources de potentiel calorifique, les deux sources étant en contact chacune avec un côté de la paroi de la canalisation, dans lesquels l'autre source de potentiel calorifique s'écoule sous forme de pellicule continue ou ruisselle librement sur les canalisations avec canalisations tubulaires

Abrégé

Provided in the present application is a heat pump system, comprising a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger and a valve device. The valve device comprises a first port, a second port, a third port, a fourth port, a fifth port and a sixth port, wherein the first port and the third port are connected to a suction port of the compressor; and the sixth port, the second port and the fourth port are respectively connected to a first port of the first heat exchanger, a first port of the second heat exchanger and a first port of the third heat exchanger. When the heat pump system is operated in a refrigeration mode, the first port of the first heat exchanger is in unidirectional communication with the suction port; and when the heat pump system is operated in a heating mode or a defrosting mode, the first port of the second heat exchanger is in unidirectional communication with the suction port. When the heat pump system is operated in a simultaneous refrigeration and heating mode, the first port of the third heat exchanger is in unidirectional communication with the suction port. The heat pump system of the present application can limit the unidirectional flow of a refrigerant in the heat exchanger, which is not in a refrigerant circulation loop, to the compressor without affecting the pressure drop in the refrigerant circulation loop.

Classes IPC  ?

• F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
• F25B 41/40 - Agencements de conduites de fluide
• F25B 41/20 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit
• F25B 39/00 - ÉvaporateursCondenseurs
• F25B 47/02 - Cycles de dégivrage
• F25B 29/00 - Systèmes de chauffage et de refroidissement combinés, p. ex. fonctionnant alternativement ou simultanément
• F25B 41/30 - Moyens de détenteLeurs dispositions
• F25B 30/02 - Pompes à chaleur du type à compression
• F25B 41/00 - Circulation du fluide
• F16K 11/00 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides
• F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
• F25B 41/26 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit de soupapes d’inversion du flux de fluide

Abrégé

A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes an evaporator disposed along a working fluid circuit, where the evaporator is configured to transfer heat between a working fluid and a conditioning fluid, and a lubricant separation system. The lubricant separation system includes a lubricant separation heat exchanger configured to receive a mixture of the working fluid and a lubricant from the evaporator and to transfer heat from a flow of heated fluid to the mixture to separate the working fluid from the lubricant. The lubricant separation system is also configured to direct the working fluid separated from the lubricant to the evaporator.

Classes IPC  ?

• F25B 43/02 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur pour la séparation des lubrifiants du frigorigène
• F25B 31/00 - Aménagements des compresseurs
• F25B 39/02 - Évaporateurs

Abrégé

An energy efficient heat pump includes a variable capacity compressor and a controller communicatively coupled to the variable capacity compressor. The controller is configured to receive a call for heating, determine an upper discharge pressure limit of the energy efficient heat pump, determine a lower discharge pressure limit of the energy efficient heat pump, determine a target discharge pressure value, where the target discharge pressure value is less than or equal to the upper discharge pressure limit and is greater than or equal to the lower discharge pressure limit, and modulate operation of the variable capacity compressor such that a detected discharge pressure of the heat pump approaches the target discharge pressure value.

Classes IPC  ?

• F24F 11/86 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de la température de l’air fourni en commandant des compresseurs dans les circuits de pompes à chaleur ou de réfrigération
• F25B 30/02 - Pompes à chaleur du type à compression

Abrégé

A pipeline (180) provided with a silencing structure, the pipeline comprising a pipe (150) and a silencing structure (100). The pipe (150) has a uniform diameter. The silencing structure (100) comprises a main silencing pipe (210) and a baffle (220). The baffle (220) is disposed around the main silencing pipe (210) and is connected on the main silencing pipe (210), and the baffle (220) comprises an opposite first side and second side; the main silencing pipe (210) extends on the first side and/or the second side of the baffle (220); the main silencing pipe (210) of the silencing structure (100) is disposed in the pipe (150) and is connected to the pipe (150) by means of the baffle (220); and the baffle (220) is configured to be capable of stopping a fluid from flowing through the baffle (220) from the space between the pipe (150) and the main silencing pipe (210).

Classes IPC  ?

• F16L 9/21 - Tuyaux rigides constitués de matériaux absorbant le son ou avec une structure absorbant le son

Abrégé

The present application discloses a compressor control system in a refrigeration system and a control method. The refrigeration system comprises a compressor and an economizer, wherein the compressor comprises a sliding valve, and the economizer is provided with an inlet pipeline, a gas outlet pipeline and a liquid outlet pipeline. The compressor control system comprises: inlet pipeline sensors; gas outlet pipeline sensors; liquid outlet pipeline sensors; and a control device configured to: receive pressure parameters and temperature parameters of the inlet pipeline, the gas outlet pipeline and the liquid outlet pipeline; and control movement of the sliding valve on the basis of the pressure parameters and the temperature parameters, so as to adjust the position of the sliding valve. In the present application, the change in the actual internal volume ratio of the compressor is reflected by means of the change in the mass and density of a refrigerant discharged from an exhaust port of the compressor. The influence of economizer pipeline design and pressure drop is avoided, so that the calibration result of the internal volume ratio of the compressor is more accurate and reliable.

Classes IPC  ?

• F04C 28/12 - Commande, surveillance ou dispositions de sécurité pour les pompes ou les installations de pompage spécialement adaptées pour les fluides compressibles caractérisées par la modification des positions de l'ouverture de l'admission ou de l'échappement par rapport à la chambre de travail utilisant des tiroirs

Abrégé

The present application provides a muffler, comprising a cylindrical housing defining an anechoic chamber, an anechoic chamber inlet and an anechoic chamber outlet that are located at two opposite axial ends of the housing, and at least one partition plate, at least one muffling pipe, and at least one liquid discharging pipe that are located in the anechoic chamber. The at least one liquid discharging pipe is provided on the at least one partition plate and extends a certain distance along the axis of the housing on at least one side of the corresponding partition plate. Each liquid discharging pipe defines a liquid discharging channel penetrating through the corresponding partition plate. Each liquid discharging pipe is arranged in close contact with the housing or is partially formed by the housing. The position of the anechoic chamber outlet relative to the at least one liquid discharging pipe is configured so that a liquid flowing out from the at least one liquid discharging pipe can be discharged through the anechoic chamber outlet. The muffler of the present application is part of an exhaust channel of a compressor, and the liquid discharging channel provided in the anechoic chamber can meet the requirement of timely discharging a lubricating liquid from the muffler, and likewise cannot reduce the muffling effect of the anechoic chamber.

Classes IPC  ?

• F04C 29/06 - Étouffement du bruit
• F04C 29/02 - LubrificationSéparation du lubrifiant
• F04C 29/00 - Parties constitutives, détails ou accessoires de pompes ou d'installations de pompage spécialement adaptées pour les fluides compressibles non couverts dans les groupes

Abrégé

A heating, ventilation, and air conditioning (HVAC) system includes a primary heat transfer circuit having a first heat exchanger fluidly coupled to an ambient environment and a compressor fluidly coupled to the first heat exchanger and configured to circulate a refrigerant through the primary heat transfer circuit. The HVAC system also includes a secondary heat transfer circuit having a second heat exchanger fluidly coupled to a thermal load and a pump fluidly coupled to the second heat exchanger and configured to circulate a heat transfer fluid through the secondary heat transfer circuit, where the heat transfer fluid is a non-volatile or inert fluid. The HVAC system further includes an intennediate heat exchanger disposed along the primary heat transfer circuit and the secondary heat transfer circuit, where the intermediate heat exchanger is configured to transfer heat between the refrigerant and the heat transfer fluid, and the primary heat transfer circuit is entirely external to a perimeter of the thermal load.

Classes IPC  ?

• F24F 11/32 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques
• F24F 11/36 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance réagissant aux dysfonctionnements ou aux situations critiques aux fuites de fluides échangeurs de chaleur
• F24F 11/70 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes
• F25B 49/00 - Disposition ou montage des dispositifs de commande ou de sécurité

Abrégé

A condenser includes a shell defining an inner volume configured to receive and discharge a refrigerant, a condensing section disposed within the shell, where the condensing section includes a plurality of tubes configured to circulate cooling fluid therethrough, and a subcooler disposed within the shell and configured to receive the refrigerant from the condensing section. The subcooler includes a first pass having a first set of tubes configured to circulate cooling fluid therethrough, a second pass having a second set of tubes configured to circulate cooling fluid therethrough, where the second pass is disposed downstream of the first pass relative to a flow of refrigerant through the subcooler, and a separation plate disposed between the first set of tubes and the second set of tubes.

Classes IPC  ?

• F25B 39/04 - Condenseurs
• F25B 40/02 - Sous-refroidisseurs
• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement

Abrégé

Provided is a screw compressor (100), comprising: a housing (101), a fluid channel (140), and a silencing structure (320, 520, 620). The housing (101) is provided with a compression cavity (105); the fluid channel (140) is located in the housing (101), a first end (311) of the fluid channel (140) is communicated with the outside of the compressor (100), and a second end (312) of the fluid channel (140) is communicated with the compression cavity (105); the silencing structure (320, 520, 620) is arranged on the outer side of the fluid channel (140), the silencing structure (320, 520, 620) comprises at least one cavity (308, 408, 508, 608, 708, 808, 908, 1008, 1108, 1208), and the at least one cavity (308, 408, 508, 608, 708, 808, 908, 1008, 1108, 1208) is communicated with the fluid channel (140). The silencing structure (320, 520, 620) is arranged at the fluid channel (140) of the screw compressor (100), so that the effect of pressure changes on external pipelines connected to the fluid channel (140) can be reduced.

Classes IPC  ?

• F04C 29/06 - Étouffement du bruit
• F04C 29/12 - Dispositions pour l'admission ou l'échappement du fluide de travail, p. ex. caractéristiques de structure de l'admission ou de l'échappement

Abrégé

Provided in the present application is an evaporator assembly, comprising an evaporator and at least one oil cooler. The evaporator comprises an evaporator housing for accommodating a refrigerant. The oil cooler comprises an oil cooler housing and at least one oil cooler heat exchange pipe which is arranged in the oil cooler housing and used for receiving a fluid to be cooled. The evaporator housing comprises at least one evaporator housing opening. The oil cooler housing comprises at least one oil cooler housing opening which is in fluid communication with the at least one corresponding evaporator housing opening. The positions of the evaporator and the oil cooler are configured such that at least a portion of the liquid refrigerant in the evaporator housing can flow into the oil cooler housing via the evaporator housing opening and the corresponding oil cooler housing opening by gravity so as to be used for cooling the fluid to be cooled in the oil cooler heat exchange pipe. In addition, a gaseous refrigerant in the oil cooler housing can also flow back into the evaporator housing via the oil cooler housing opening and the corresponding evaporator housing opening.

Classes IPC  ?

• F25B 39/02 - Évaporateurs
• F25B 31/00 - Aménagements des compresseurs
• F25B 41/40 - Agencements de conduites de fluide

Abrégé

A heat exchanger includes a first section of an interior volume of the heat exchanger. The first section includes a plurality of heat exchanger tubes and is configured to direct a working fluid flow across the plurality of heat exchanger tubes from an inlet of the heat exchanger. The heat exchanger includes a second section of the interior volume, where the second section is configured to direct the working fluid to an outlet of the heat exchanger. The outlet includes a center axis extending therethrough. The second section overlaps with the center axis and the first section is offset from the center axis.

Classes IPC  ?

• F25B 39/02 - Évaporateurs
• F28D 21/00 - Appareils échangeurs de chaleur non couverts par l'un des groupes
• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement
• F28F 9/02 - Boîtes de distributionPlaques d'extrémité

Abrégé

Example implementations include a method, apparatus, and computer-readable medium comprising determining, by a computing device, whether a current time of day is outside a pre-determined time period and/or whether a quantity of people in an area is less than a count threshold and/or whether a security event is detected in image-surveilled data associated with a destination; and sending, by the computing device and responsive to the current time of day being outside the pre-determined time period and/or the quantity of people in the area being less than the count threshold and/or the security event being detected in the image-surveilled data associated with the destination, a notification to a user, wherein the notification is configured to provide one or more options for a security escort for the user to reach the destination.

Classes IPC  ?

• G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision

Abrégé

A heating, ventilation, and air conditioning (HVAC) system may include a heat exchanger to condition an air flow, and conditioning the air flow may generate condensate. The HVAC system may also include a drain pan that collects the condensate and a drain pan adapter coupled between the drain pan and the heat exchanger. The drain pan adapter may include a coil receiver for engaging a portion of the heat exchanger and a retaining arm that reduces an amount of the air flow over the portion of the heat exchanger.

Classes IPC  ?

• F24F 1/36 - Bacs d'égouttage pour éléments extérieurs
• F24F 13/22 - Moyens pour éviter la condensation ou pour évacuer le condensat
• F25B 39/00 - ÉvaporateursCondenseurs
• F25D 21/14 - Ramassage et évacuation du condensat ou de l'eau de dégivrageBacs de dégivrage

Abrégé

A heat exchanger for a heating, ventilation, and/or air conditioning system includes a manifold having an opening. The heat exchanger also includes a plurality of heat exchanger tubes, each heat exchanger tube of the plurality of heat exchanger tubes includes a body portion and an end, and the ends of the plurality of heat exchanger tubes are bundled together and extend into the manifold via the opening.

Classes IPC  ?

• F24F 13/30 - Agencement ou montage d'échangeurs de chaleur
• F25B 39/00 - ÉvaporateursCondenseurs
• F28F 1/00 - Éléments tubulairesEnsembles d'éléments tubulaires
• F28F 9/02 - Boîtes de distributionPlaques d'extrémité

Abrégé

A method for automatically programming a security system including a plurality of access control readers and a plurality of image sensors includes receiving user credential information from a first access control reader. A first door associated with the first access control reader is further associated with a first image sensor. A user is identified based on the user credential information and based on visual content provided by the first image sensor. Upon receiving the user credential information from one or more access control readers of the plurality of access control readers different from the first access control reader, the user is reidentified based on visual content provided by the plurality of the image sensors. The image sensor that provided the visual content used for reidentification of the user is associated with a door associated with the access control reader that provided the user credential information.

Classes IPC  ?

• G07C 9/00 - Enregistrement de l’entrée ou de la sortie d'une entité isolée

Abrégé

Example aspects include methods, apparatuses, and computer-readable medium for battery testing, including selecting, by a control unit of a system, an existing load configured in the system, wherein the existing load is connected to the control unit; and testing, by the control unit, a battery of the control unit by using the existing load to discharge the battery.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• G01R 31/385 - Dispositions pour mesurer des variables des batteries ou des accumulateurs
• G08B 17/00 - Alarmes d'incendieAlarmes réagissant à une explosion

Abrégé

A heating, ventilation, and air conditioning (HVAC) system includes a fan filter assembly to filter an air flow directed through the fan filter assembly and to a conditioned space. The fan filter assembly includes a fan to circulate the air flow through fan filter assembly and a filter to filter the air flow. The fan and the filter may be coupled to the fan filter assembly such that the fan and/or the filter may be easily accessed for maintenance activity, such as removal, inspection, replacement, and/or cleaning of the fan. The fan filter assembly may increase efficiency of the HVAC system by decreasing downtime of the fan filter assembly and decreasing cost associated with installation and/or maintenance activity. Therefore, the fan filter assembly may enable the HVAC system to improve air quality of the air flow provided to the conditioned space while also improving serviceability of the fan filter assembly.

Classes IPC  ?

• F24F 13/28 - Agencement ou montage de filtres
• F24F 8/108 - Traitement, p. ex. purification, de l'air fourni aux locaux de résidence ou de travail des êtres humains autrement que par chauffage, refroidissement, humidification ou séchage par séparation, p. ex. par filtrage utilisant des éléments filtrants secs
• F24F 7/06 - Ventilation avec réseau de gaines à circulation d'air forcée, p. ex. par un ventilateur
• B01D 46/00 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs
• B01D 46/62 - Filtres ou procédés spécialement modifiés pour la séparation de particules dispersées dans des gaz ou des vapeurs avec plusieurs éléments filtrants, caractérisés par leur disposition relative montés en série
• B01D 46/10 - Séparateurs de particules utilisant des plaques, des feuilles ou des tampons filtrants à surface plane, p. ex. appareils de précipitation de poussières

Abrégé

Example implementations include a method, apparatus and computer-readable medium for adjusting bandwidth in video networks, comprising monitoring a video network comprising a plurality of cameras and a network video recorder (NVR). The implementations include receiving, at a first time, a first plurality of network parameters associated with data transmitted from each of the plurality of cameras and a second plurality of network parameters associated with data received by the NVR. The implementations include identifying, using a plurality of rules, a discrepancy between the first plurality of network parameters and the second plurality of network parameters. The implementations further include transmitting, to the at least one camera, an instruction to adjust a peak bandwidth limit of the at least one camera to a new value, in response to identifying the discrepancy.

Classes IPC  ?

• H04N 7/18 - Systèmes de télévision en circuit fermé [CCTV], c.-à-d. systèmes dans lesquels le signal vidéo n'est pas diffusé

Abrégé

Example implementations include a method, apparatus, and computer-readable medium for controlling access to a location, comprising receiving an access identifier and a biometric information sample from a user attempting to enter an access point. The implementations further include matching the access identifier to an authenticated cluster identifier corresponding to a biometric information cluster within a plurality of different biometric information clusters, wherein the biometric information cluster is associated with an authenticated user. Additionally, the implementations further include identifying, based on a machine learning model processing, a cluster identifier from the biometric information sample. Additionally, the implementations further include transmitting a first signal to allow access to the location in response to the inferred biometric information cluster identifier matching an authenticated cluster identifier, or a second signal to deny access to the location in response to the inferred biometric information cluster identifier not matching an authenticated cluster identifier.

Classes IPC  ?

• G07C 9/00 - Enregistrement de l’entrée ou de la sortie d'une entité isolée
• G06F 21/32 - Authentification de l’utilisateur par données biométriques, p. ex. empreintes digitales, balayages de l’iris ou empreintes vocales
• H04L 9/40 - Protocoles réseaux de sécurité
• G06N 20/00 - Apprentissage automatique
• G07C 9/37 - Enregistrement de l’entrée ou de la sortie d'une entité isolée ne comportant pas l’utilisation d’un laissez-passer combiné à une vérification d’identité utilisant des données biométriques, p. ex. des empreintes digitales, un balayage de l’iris ou une reconnaissance de la voix
• G07C 9/25 - Enregistrement de l’entrée ou de la sortie d'une entité isolée comportant l’utilisation d’un laissez-passer combiné à une vérification d’identité du titulaire du laissez-passer utilisant des données biométriques, p. ex. des empreintes digitales, un balayage de l’iris ou une reconnaissance de la voix
• G06F 21/62 - Protection de l’accès à des données via une plate-forme, p. ex. par clés ou règles de contrôle de l’accès

Abrégé

A building management system (BMS) includes building equipment operable to affect a physical state or condition of a building and a gateway device configured to couple to the building equipment via a wireless master slave/token passing (MS/TP) bus or a wired MS/TP bus. The gateway device is configured to communicate building data to a cloud-based platform including a hub configured to receive the building data, a plurality of cloud applications, wherein the plurality of cloud applications are configured to receive the building data from the hub and process the building data to provide a building data output. The cloud-based platform is configured to communicate the building data output to and receive a command based on the building data output from at least one of a control application, an analytic application, or a monitoring application. The gateway device is further configured to operate according to the command.

Classes IPC  ?

• G05B 15/02 - Systèmes commandés par un calculateur électriques
• F24F 11/58 - Commande à distance par internet
• H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p. ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]

Abrégé

Disclosed in the present application is a valve, comprising a housing, a first valve body, a second valve body and a control assembly. The housing defines a housing channel. The first valve body is arranged in the housing channel in a rotatable manner, defines a valve body channel, and can connect to or disconnect from the housing channel. The second valve body is arranged in the valve body channel in a rotatable manner, so as to connect to or disconnect from the valve body channel. The control assembly is configured to control the rotation of the first valve body and the second valve body. The valve of the present application is controlled to rotate by means of the control assembly. More specifically, an external control device (for example, an electric motor) controls the opening and closing of the valve simply by means of controlling a shaft rod, thereby simplifying the control logic of the valve.

Classes IPC  ?

• F16K 5/10 - Dispositifs pour le réglage additionnel du débit
• F16K 5/06 - Robinets à boisseau consistant seulement en un dispositif obturateur dont au moins une des faces d'obturation a la forme d'une surface de solide de révolution plus ou moins complète, le mouvement d'ouverture et de fermeture étant essentiellement rotatif dont les boisseaux sont à surface sphériqueLeurs garnitures d'étanchéité
• F16K 1/22 - Soupapes ou clapets, c.-à-d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à éléments de fermeture articulés à pivot comportant disque ou volet pivotant dont l'axe de rotation traverse le corps de soupape, p. ex. régulateurs à papillon

Abrégé

A heating, ventilation, air conditioning, and/or refrigeration system (10) configured to circulate a working fluid therethrough includes an economizer system (116) and a compressor system (106). A first economizer (118) of the economizer system (116) is configured to reduce a first pressure of the working fluid to provide a first vapor working fluid flow (124), and a second economizer (122) of the economizer system (116) is configured to reduce a second pressure of the working fluid in the second economizer (122) to provide a second vapor working fluid flow (128). A first compressor stage (110) of the compressor system (100) is configured to receive the second vapor working fluid flow (128) from the second economizer (122) via a second inlet (132) and an additional working fluid flow (113), separate from the second vapor working fluid flow (128), via a first inlet (130). A second compressor stage (112) of the compressor system (106) is configured to receive the first vapor working fluid flow (124) from the first economizer (118) via a third inlet (136).

Classes IPC  ?

• F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée
• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur
• F04D 17/12 - Pompes multiétagées

Abrégé

Example implementations include a method, apparatus and computer-readable medium for providing security system information using an augmented reality (AR) effect, comprising receiving security system information from at least one security device in an environment, wherein the security system information is of a first type of security event. The implementations further include selecting, from a plurality of AR effects, a first AR effect that is configured to output information of the first type. Additionally, the implementations further include determining a three-dimensional location in the environment that is associated with the security system information. Additionally, the implementations further include generating, for display on a user interface, an AR object of the first AR effect at the three-dimensional location.

Classes IPC  ?

• G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision
• G08B 25/14 - Dispositions centrales pour la réception ou l'indication d'une alarme

Abrégé

The present application discloses a silencing unit (100) and a silencing structure. The silencing unit (100) includes a main body (102) and a neck (112). The main body (102) is provided with a cavity (104) and a liquid drain outlet (106), and the drain outlet (106) is arranged on a side wall of the main body (102) and communicates with the cavity (104). The neck (112) is arranged on a side portion of the main body (102) and connected to the main body (102), and the neck (112) is provided with a drain channel (114). Wherein the drain channel (114) communicates with the cavity (104) through the drain outlet (106), and the bottom of the cavity (104) is not lower than the bottom of the drain channel (114). The silencing unit (110) of the present application can drain a liquid entering the cavity (104) out of the cavity (104) while silencing.

Classes IPC  ?

• F04C 29/06 - Étouffement du bruit

Abrégé

Fault protection for security system controllers is disclosed. An apparatus in accordance with aspects of the present disclosure includes for a reverse-polarity protection circuit, an overcurrent protection circuit, or the combination of a reverse polarity circuit and an overcurrent protection circuit.

Classes IPC  ?

• H02H 11/00 - Circuits de protection de sécurité pour empêcher la commutation de mise en service dans le cas où une condition électrique de travail indésirable pourrait en résulter

Abrégé

A system may be configured to provide alarm risk score intelligence and analysis. In some aspects, the system may receive sensor information captured by one or more sensors, the sensor information indicating activity within a controlled environment, and determine an event based on the sensor information. Further, the system may receive one or more video frames from one or more video capture devices and determine context information based on the one or more video frames. Additionally, the system may modify the event based on the context information to generate an alarm and transmit a notification identifying the alarm to a monitoring device.

Classes IPC  ?

• G08B 29/18 - Prévention ou correction d'erreurs de fonctionnement
• G08B 13/196 - Déclenchement influencé par la chaleur, la lumière, ou les radiations de longueur d'onde plus courteDéclenchement par introduction de sources de chaleur, de lumière, ou de radiations de longueur d'onde plus courte utilisant des systèmes détecteurs de radiations passifs utilisant des systèmes de balayage et de comparaison d'image utilisant des caméras de télévision

Abrégé

A blade and an axial impeller using same. A blade (112) comprises a blade tip (216), a blade root (218), a leading edge (222) and a trailing edge (220), wherein the leading edge (222) and the trailing edge (220) respectively extend from the blade tip (216) to the blade root (218), and the blade (112) can rotate about an axis of rotation X perpendicular to a normal plane. In the projection of the normal plane of the blade (112), a circumferential included angle between the leading edge (222) and the trailing edge (220) forms a wrap angle that gradually reduces from the blade root (218) to the middle blade height of the blade (112) and gradually increases from the middle blade height to the blade tip (216). The middle blade height is an arc line formed by the center point of the blade tip (216) and the blade root (218) in a radial direction. By means of the blade, during operation of the axial impeller (100), turbulence vortices near an intersection of the leading edge (222) and the blade tip (216) of the blade (112) and near an intersection of the trailing edge (220) and the blade tip (216) of the blade (112) are significantly reduced, the intensity of the turbulence vortices is lowered, the load of an airflow on the blade (112) is uniformly reduced, the velocity and pressure distributions are more uniform, velocity and pressure pulsations are weakened, and noise is reduced.

Classes IPC  ?

• F04D 29/38 - Ailettes
• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage

Abrégé

The present disclosure discloses an aircraft surveillance system. The system includes one or more radar sensors, one or more cameras, and one or more controllers. The radar sensors scan an area proximal to an aircraft and provide first data corresponding to scanning of the area. The cameras capture visuals of the area and provide second data corresponding to captured visuals. The controllers communicate with the radar sensors and cameras to receive the first data from one or more radar sensors and the second data from one or more cameras. The controllers further analyze the first data and the second data to identify presence of one or more undesirable objects proximal to the aircraft and provide a notification upon detection of the undesirable objects.

Classes IPC  ?

• G08B 13/00 - Alarmes contre les cambrioleurs, les voleurs ou tous intrus
• G08G 5/00 - Systèmes de contrôle du trafic aérien
• G08G 5/04 - Systèmes anticollision

Abrégé

Disclosed herein are an air guide ring (110) and an axial flow fan (100) comprising the same. The air guide ring (110) comprises: an annular air guide portion (101) comprising an air duct (105) for accommodating an impeller (104) of the axial flow fan (100) to rotate therein, wherein the annular air guide portion (101) has an inner side wall (115) and an outer side wall (116), and the air duct (105) is enclosed by the inner side wall (115); and a plurality of noise reduction devices (120) arranged on the inner side wall (115) of the annular air guide portion (101) in a circumferential direction of the air guide ring (110), and each of the noise reduction devices (120) is configured to reduce noise in the air duct (105). According to the air guide ring (110) in the present application, the noise reduction devices (120) are arranged on the inner side wall (115) of the annular air guide portion (101) such that noise reduction can be directly performed at the portion where the noise is generated, thereby reducing the noise more quickly and efficiently. In addition, by means of the principle of noise reduction through resonances, the noise reduction devices (120) in the present application achieve the noise reduction effect by resonating with sound waves having certain frequencies in the noise, which can reduce the intensity of the sound waves to a large extent, and thus make the noise reduction effect good.

Classes IPC  ?

• F04D 29/54 - Moyens de guidage du fluide, p. ex. diffuseurs
• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage

Abrégé

A heating, ventilation, and/or air conditioning (HVAC) system includes a variable-speed fan comprising a first fan blade, a variable frequency drive (VFD) configured to drive the variable-speed fan to rotate the first fan blade at various speeds to deliver a first airflow at variable airflow rates, and a constant-speed fan having a second fan blade. The HVAC system also includes a fan motor of the constant-speed fan configured to rotate the second fan blade at a fixed speed to deliver a second airflow, and a controller configured to determine an operational combination of the variable-speed fan and the constant-speed fan that achieves a target flow rate with a combination of the first airflow and the second airflow without operating the variable-speed fan in a stall region based on stall region data for the variable-speed fan.

Classes IPC  ?

• F04D 27/00 - Commande, p. ex. régulation, des pompes, des installations ou des systèmes de pompage spécialement adaptés aux fluides compressibles
• F24F 7/007 - Ventilation à écoulement forcé
• F24F 11/00 - Aménagements de commande ou de sécurité
• F24H 15/35 - Commande de la vitesse de pompes

Abrégé

A method and system may be configured to perform bullying detection using a three dimensional enhanced convolution neural network (3D enhanced CNN). In some aspects, method includes acquiring, from a video camera by a processor, a live video stream of a monitored area; preprocessing, by the processor, the video stream into a normalized low resolution video stream; applying, by the processor, 3D enhanced CNN to the normalized low resolution video stream to detect bullying in the normalized low resolution video stream; transmitting, by a transceiver communicatively coupled with the processor, a notification in response to detecting bullying. The 3D enhanced CNN includes 2 dimensional video and a third dimension in time.

Classes IPC  ?

• G06V 10/82 - Dispositions pour la reconnaissance ou la compréhension d’images ou de vidéos utilisant la reconnaissance de formes ou l’apprentissage automatique utilisant les réseaux neuronaux
• G06V 20/40 - ScènesÉléments spécifiques à la scène dans le contenu vidéo
• G06V 20/52 - Activités de surveillance ou de suivi, p. ex. pour la reconnaissance d’objets suspects

Abrégé

A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system (100) includes an economizer (103) configured to receive a heat transfer fluid (105) from a condenser (34). The economizer (103) is configured to separate the heat transfer fluid (105) into liquid heat transfer fluid (107) and vapor heat transfer fluid (109). The HVAC&R system (100) includes a low flow compressor (102) configured to receive the vapor heat transfer (109) fluid from the economizer (103), pressurize the vapor heat transfer fluid (109), and direct the vapor heat transfer fluid (109) to the condenser (34).

Classes IPC  ?

• F25B 1/04 - Machines, installations ou systèmes à compression à cycle irréversible à compresseur rotatif
• F25B 31/02 - Groupes moto-compresseurs
• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur
• F04D 29/22 - Rotors spécialement pour les pompes centrifuges

Abrégé

A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system (100), comprising an economizer system (104) configured to reduce a pressure of a refrigerant to provide a first vapor refrigerant flow and a second vapor refrigerant flow. The HVAC&R system (100) also includes an auxiliary compressor system (106) that has a first auxiliary compressor (160) configured to receive the first vapor refrigerant flow from the economizer system (104) and pressurize the first vapor refrigerant flow to provide a first pressurized vapor refrigerant flow and a second auxiliary compressor (162) configured to receive the second vapor refrigerant flow from the economizer system (104) and pressurize the second vapor refrigerant flow to provide a second pressurized vapor refrigerant flow. The auxiliary compressor system (106) is configured to discharge a combined vapor refrigerant flow comprising the first pressurized vapor refrigerant flow and the second pressurized vapor refrigerant flow toward a condenser (34) of the HVAC&R system (100).

Classes IPC  ?

• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur
• F25B 41/39 - Dispositions avec plusieurs moyens de détente disposés en série, c.-à-d. détente à plusieurs étages, sur une ligne de réfrigérant menant au même évaporateur

Abrégé

Disclosed in the present application are a condensing device and a heat pump system comprising the condensing device. The condensing device comprises: a housing; and at least two sets of heat exchange pipe bundles, wherein each set of heat exchange pipe bundles comprises a condensing pipe bundle and a supercooling pipe bundle, the supercooling pipe bundles being arranged below corresponding condensing pipe bundles; wherein the at least two sets of heat exchange pipe bundles are configured to circulate cooling media independently of each other, such that the cooling medium in each set of heat exchange pipe bundles can exchange heat with a refrigerant in a heat exchange chamber independently of each other. The condensing device of the present application is provided with two supercoolers in the same housing, wherein one supercooler can be used in a separate refrigeration mode and the other supercooler can be used in a water heating mode. In the separate refrigeration mode, the supercooler can improve the refrigeration performance of the heat pump system. In the water heating mode, the supercooler can not only improve the performance of the heat pump system, but can also reduce the size of an economizer in the heat pump system, and finally reduce the floor space of a unit.

Classes IPC  ?

• F25B 39/04 - Condenseurs
• F25B 30/02 - Pompes à chaleur du type à compression
• F25B 40/02 - Sous-refroidisseurs

Abrégé

A condenser (100) of a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system (10) includes a shell (102) configured to receive vapor heat transfer fluid (108) and a condensing section (176). A first plurality of heat exchange tubes (170, 172) is configured to place the vapor heat transfer fluid (108) in a heat exchange relationship with cooling fluid (118) to produce liquid heat transfer fluid (116). The condenser (100) includes a subcooling section (180) having a second plurality of heat exchange tubes (174) extending within the shell (102), where the second plurality of heat exchange tubes (174) is configured to place the liquid heat transfer fluid (116) in a heat exchange relationship with cooling fluid (118) to subcool the liquid heat transfer fluid (116). The condenser (100) includes a pre-subcooler (140) disposed in the condensing section (180), where the pre-subcooler (140) includes a trough (144) configured to collect a portion of the liquid heat transfer fluid (116) and direct the portion of the liquid heat transfer fluid (116) to the subcooling section (180).

Classes IPC  ?

• F25B 39/04 - Condenseurs
• F25B 40/02 - Sous-refroidisseurs
• F28D 7/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement
• F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage

Abrégé

A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system (10) includes a vapor compression system (100) having a vapor compression circuit (102, 104, 106) including a compressor system (108, 126, 144) configured to direct a working fluid through the vapor compression circuit (102, 104, 106) to provide a heat exchange relationship between the working fluid and a cooling fluid, a conditioning fluid, or both. The HVAC system (10) includes a controller (200) having a memory (206) and processing circuitry (204), where the memory (206) includes instructions that, when executed, cause the processing circuitry (204) to receive a signal to initiate operation of the vapor compression system (100), receive sensor data indicative of operating conditions of the vapor compression system (100), determine an expected lift of the compressor system (108, 126, 144) based on the operating conditions of the vapor compression system (100), compare the expected lift of the compressor system (108) to a threshold value, and control operation of the vapor compression system (100) based on the comparison of the expected lift with the threshold value.

Classes IPC  ?

• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
• F25B 25/00 - Machines, installations ou systèmes utilisant une combinaison des principes de fonctionnement compris dans plusieurs des groupes