A method is provided for controlling a variable-speed heat, ventilation and air conditioning (HVAC) system. The method includes, responsive to a first signal, determining a system capacity and providing the system capacity by the variable-speed HVAC system to a space, responsive to the first signal and a second signal, providing a system maximum capacity by the variable-speed HVAC system to the space and, responsive to an off signal, shutting off of the variable-speed HVAC system.
An air conditioning system includes a vapor compression loop including a compressor, an expansion device, a first heat exchanger, a second heat exchanger, wherein a working fluid is configured to circulate within the vapor compression loop. An energy storage device is selectively operable to supply power to a component of the air conditioning system. A thermal management system includes a heat transfer fluid loop fluidly connecting the energy storage device and a coolant heat exchanger. A heat transfer fluid is configured to circulate through the heat transfer fluid loop. The thermal management system is thermally and fluidly coupled to the vapor compression loop at the coolant heat exchanger. The coolant heat exchanger is arranged in series with each of the compressor, the expansion device, the first heat exchanger, and the second heat exchanger within the vapor compression loop.
A method of allocating power sources in an air conditioning system includes determining a load demand of the air conditioning system; determining whether a demand response (DR) event or a time-of-use (ToU) high rate is occurring; in response to the DR event or ToU high rate not occurring, charging an energy storage device to an upper voltage, the charging performed at a predefined charging power level during a predefined charging period; in response to the DR event or ToU high rate occurring, determining an allocation of power sources to satisfy the load demand and discharging the energy storage device at a predefined discharging power level and a predefined discharging time period until the energy storage device reaches a lower voltage level or the DR event or ToU high rate is finished.
A low-voltage system of a transport refrigeration unit (TRU) includes a low-voltage direct current (LVDC) source; and a distribution bus coupled to the LVDC, the distribution bus is coupled to a compressor, at least one condenser, and at least one evaporator.
Described herein is a mixed-flow fan assembly. The assembly comprises an impeller comprising a plurality of blades extending from a rotatable hub, and a shroud extending circumferentially around the impeller, wherein the shroud is secured to the plurality of blades, a casing with a bellmouth disposed circumferentially around the shroud, defining a cavity between the casing and the shroud, with flow control clearance gaps at a downstream end and an upstream end of the casing. The assembly further comprises one or more first circular ribs extending axially from the shroud within the cavity and substantially parallel to a rotational axis of the impeller, and a plurality of de-swirl vanes configured at predefined positions on an inner surface of the bellmouth.
A fluid conditioning system includes a compressor, a first heat exchanger, a second heat exchanger, and a first expansion device, and a second expansion device fluidly connected to form a closed loop through which a working fluid circulates. The first expansion device is associated with operation of the fluid conditioning system in a first mode and the second expansion device is associated with operation of the fluid conditioning system in a second mode. The second expansion device is a thermostatic expansion device. An accumulator is fluidly connected to the closed loop upstream from the compressor relative to a flow of the working fluid. A back pressure regulator is fluidly coupled to the first heat exchanger, the second heat exchanger, and the second expansion device.
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
A system includes an air conditioning system associated with a building and at least one energy storage device including a thermally regenerative battery. A controller is configured to supply power from at least one of an AC power grid and the thermally regenerative battery to one or more components of the air conditioning system.
A transport refrigeration system including a transport refrigeration unit; an energy storage device; an engine system including a generator, a power converter configured to receive power from both the energy storage device and the engine system; a controller configured to control the power converter to power the transport refrigeration unit in response to a parameter of the energy storage device and a power demand of the transport refrigeration unit.
This application provides a detection method of an air conditioning system. When the air conditioning system is operating in a cooling mode and a fan of an indoor unit and an expansion valve need to be detected or debugged. When a difference between a return air temperature of the indoor unit and a heat exchanger coil temperature of the indoor unit within the first specified duration is greater than a specified fan determination threshold, it is determined that the fan of the indoor unit is faulty. A difference between a return air temperature difference of the first indoor unit and a heat exchanger coil temperature difference of the first indoor unit is detected, and when the difference is less than a specified expansion valve determination threshold, it is determined that the first expansion valve is faulty.
F24F 11/77 - 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 pour la commande du débit d'air ou de la vitesse de l’air en commandant la vitesse de rotation des ventilateurs
F24F 11/84 - 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 l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur au moyen de valves
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
A method for offsetting power used by an air conditioning system coupled to an AC power grid at a point of common coupling (PCC), the method including: receiving a point of common coupling (PCC) setpoint, a charge limit, a discharge limit and a power demand of the first unit; selecting an operating mode from the following operating modes: a normal mode during which a first unit of the air conditioning system is powered by only the AC power grid; a charging mode during which the first unit of the air conditioning system is powered by only the AC power grid and an energy storage device is charged, a discharging mode during which the first unit of the air conditioning system is powered by both the AC power grid and the energy storage device.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02J 3/12 - Circuits pour réseaux principaux ou de distribution, à courant alternatif pour règler la tension dans des réseaux à courant alternatif par changement d'une caractéristique de la charge du réseau
11.
CENTRIFUGAL COMPRESSOR, REFRIGERATION HEAT PUMP UNIT
This application provides a centrifugal compressor and a refrigeration heat pump unit, the centrifugal compressor includes a first compression chamber including a first inlet portion that includes a first variable guide vane, and a first outlet portion. A second compression chamber including a second inlet portion that includes a second variable guide vane, and a second outlet portion. A first impeller rotatably disposed inside the first compression chamber and disposed adjacent to the first variable guide vane. A second impeller rotatably disposed inside the second compression chamber and disposed adjacent to the second variable guide vane. A third impeller rotatably disposed inside the first compression chamber and located downstream of the first impeller. A first bypass pipe allowing a discharge flow passage of the third impeller to communicate with an inlet of the third impeller.
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Machines and machine apparatus for heating, cooling, air conditioning and refrigeration; Industrial machines and machinery for heating, cooling, air conditioning and refrigeration; Compressors; Compressors for heating, cooling, air conditioning and refrigeration apparatus and installations; Condensers; Compressors and condensers for HVAC-R apparatus and installations; Condenser housings, condensing unit frames, supports, housings and guards; Pumps; Pumps for air-conditioning, heating, ventilating and refrigeration apparatus and instruments; Condensate pumps; Pumps incorporating sensors; Dosing pumps; Tank pumps; Peristaltic pumps; Macerator pumps; Column pumps; Pumps for use in the HVAC-R industry; Apparatus and machines for reclaiming refrigerant gases; Apparatus and machines for gas reclamation; Fans and blowers as parts of machines; Machine components and mechanical parts for heating, cooling, air conditioning, refrigeration and ventilation systems; Parts, fittings and accessories for all the aforesaid goods. Thermostats; Smart thermostats; Hygrostats; Sensors for temperature, humidity, air quality, environmental conditions, energy use and system performance; Sensors for use in HVAC-R installations, apparatus and equipment; Gauges, meters, counters and monitors for measuring temperature, humidity, pressure and environmental conditions; Measuring apparatus and instruments; Tape measures; Spirit levels; Meters; Timers; Wire and pipe detecting meters and gauges; Electronic controllers, control panels and control units for heating, cooling, air conditioning, refrigeration, ventilation, indoor air quality and building management systems; Carbon monoxide alarms; Air quality monitors; Apparatus and instruments for measuring, signalling, checking, regulating, monitoring and controlling heating, cooling, air conditioning, refrigeration, ventilation, indoor air quality, energy and environmental systems; Computer software for use in the HVAC-R industry; Computer software for use in the construction industry; Computer software for assisting in the design of installations of plant in the construction and HVAC-R industries; Downloadable computer software for collecting, monitoring, analysing and reporting data from heating, cooling, air conditioning, refrigeration, ventilation, energy and indoor air quality systems; Downloadable computer software for use in the HVAC-R industry; Downloadable computer software for use in the construction industry; Downloadable computer software and mobile application software for controlling, managing, operating and optimising building systems and equipment; Downloadable computer software for collecting, monitoring, analysing and reporting data from residential and commercial buildings and building systems; Downloadable computer software and mobile application software for enabling touchless building entry and elevator access; Downloadable computer software and mobile application software for reporting environmental performance, occupancy and wellness data of liveable spaces; Downloadable mobile applications for use in the HVAC-R industry; Downloadable mobile applications for use in the construction industry; Downloadable software for product registration, warranty administration and customer support relating to building climate, energy and environmental systems; Parts, fittings and accessories for all the aforesaid goods. Air conditioning apparatus and installations; Heating apparatus and installations; Cooling apparatus and installations; Refrigeration apparatus and installations; Apparatus, installations and systems for heating, cooling, air conditioning, refrigeration, ventilation and indoor air quality control; Furnaces; Boilers; Ductless air conditioning systems; Packaged heating and cooling systems; Fan coil units; Evaporators; Indoor air quality apparatus, namely air purifiers, air filters, ventilators, humidifiers, dehumidifiers and ultraviolet air treatment apparatus; Parts, fittings and accessories for all the aforesaid goods. Installation, maintenance, and repair services, including preventive maintenance services and subscription-based maintenance services, for HVAC equipment and systems, heating equipment and systems, cooling equipment and systems, air conditioning equipment and systems, refrigeration equipment and systems, ventilation equipment and indoor air quality systems, temperature-controlled cargo containers, temperature-controlled cargo storage units and facilities, temperature-controlled cargo vehicles, gas ignition systems, gas detection systems, hazard mitigation systems, building alarm systems, fire and smoke alarm systems, fire suppression systems and fire safety systems, building security systems, building access systems, electronic lock systems, credentialing equipment, real estate access systems, and remote access management equipment; HVAC contractor services. Software as a service (SaaS); Software as a service (SaaS) for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Platform as a service (PaaS); Platform as a service (PaaS) for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Computer systems analysis; Computer systems analysis for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Computer programming services; Computer programming services for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Design and development of computer hardware and computer software; Design and development of computer hardware and computer software for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Scientific and technological consultancy services; Scientific and technological consultancy services relating to HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Rental and leasing of computers; Rental and leasing of computers for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Engineering services; Engineering services for HVAC Systems, Building Management Systems (BMS), Building Automation Systems (BAS); Operation and management of data centres; HVAC system design and simulation software; Design and development of software for predictive maintenance, optimization, and control of HVAC systems; Design and development of energy efficiency and environmental performance analysis software for HVAC systems; Design and development of building energy management system software; Data analytics and reporting services for HVAC systems; Technical consultancy and advisory services relating to HVAC system design, energy efficiency, and indoor air quality; Information, advisory and consultancy services relating to all of the aforesaid services; Online platform as a service featuring non-downloadable software and mobile applications for collecting, analyzing, and reporting data from residential and commercial buildings, including Building Management Systems (BMS), Building Automation Systems (BAS), and third-party sensors for mechanical and electrical equipment, enabling control and adjustment of building equipment to optimize performance and meet industry standards for efficiency and wellness; Maintenance of computer software, including mobile application software; Remote monitoring and management of HVAC, refrigeration, temperature-controlled cargo systems and facilities, gas ignition and detection systems, hazard mitigation systems, security and fire alarm systems, building security and access systems, fire suppression and safety products, electronic lock systems, credentialing and real estate access equipment, and remote access management equipment, as well as technical support services for diagnosing problems with these systems; Provision of a website enabling users to remotely view, monitor, program, operate, and control the aforementioned equipment and systems; Computer services for remote management of building and cargo-related systems and equipment; Providing online non-downloadable software and platform as a service (PAAS) for data center thermal management and Data Center Infrastructure Management, including technical support and advisory services related to installation, maintenance, repair, and management of data centers and heating/cooling apparatus for data centers and similar facilities; Scientific research consultancy, design, testing, research, and network analysis services in data center management, data analysis, systemization, processing, software asset management and optimization, network mapping, capacity planning and utilization, project task management, and reporting; Technological consultancy in data center architecture and building management systems for thermal management; computer design, testing, programming, hardware and software design; online computer database and database design in data center management; industrial analysis and research for energy auditing and efficiency improvement; engineering services and design, drafting of plans and drawings; computer project management, help desk, migration services, and technical support; Computerized data analysis using proprietary software for evaluating and collecting service data on software, data center management, asset management, network mapping, capacity planning, and reporting; technical data analysis for technology specification, requirement analysis, and recommendations; technical advice on computer programs and electronic data storage via interactive websites or global computer networks; operation and management of data centers with remote and on-site infrastructure services for public and private cloud computing IT and applications; advisory, information, and consultancy services related to data center management and design and development of automated building management systems and controllers for temperature, humidity, and electrical regulation.
13.
CONTROL METHOD AND CONTROL DEVICE FOR AIR CONDITIONING SYSTEM, AND AIR CONDITIONING SYSTEM
This application provides a control method and control device for an air conditioning system, and an air conditioning system using the control method or including the control device. When switched to heating mode, a hot gas valve and a liquid injection valve are opened, and a main heat valve is closed. A condenser is excluded from refrigerant circulation. The refrigerant is heated by a motor of a compressor and exchanges heat with the outside via an evaporator to raise indoor ambient temperature. Part of the refrigerant returns to the compressor, while the rest enters a liquid reservoir via the liquid injection valve to reduce refrigerant flow rate and improve energy utilization. When operating for a specified time or when the indoor ambient temperature reaches a specified heating temperature, the liquid injection valve is closed to retain sufficient refrigerant in the heating circulation and avoid continuous decrease in heating performance.
Described herein is a heat exchanger assembly that comprises a first heat exchanger comprising a first inlet header, a first outlet header, and a plurality of first heat exchange tubes fluidically connected to and extending between the first inlet header and the first outlet header. The heat exchanger assembly further comprises a second heat exchanger comprising a second inlet header, a second outlet header, and a plurality of second heat exchange tubes fluidically connected to and extending between the second inlet header and the second outlet header. Further, the heat exchanger assembly comprises a first outlet connector connected to a first end of the first outlet header, and a second outlet connector connected to a first end of the second outlet header, wherein a second end, opposite to the first end, of the respective first outlet header and the second outlet header are adjacent to each other.
A method for managing an energy storage device in an air conditioning system includes determining capacity of an AC power grid connected to the air conditioning system; in response to the AC power grid having high capacity, operating the air conditioning system in a first mode; and in response to the AC power grid having low capacity, operating the air conditioning system in a second mode.
H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
H02J 13/00 - Circuits pour pourvoir à l'indication à distance des conditions d'un réseau, p. ex. un enregistrement instantané des conditions d'ouverture ou de fermeture de chaque sectionneur du réseauCircuits pour pourvoir à la commande à distance des moyens de commutation dans un réseau de distribution d'énergie, p. ex. mise en ou hors circuit de consommateurs de courant par l'utilisation de signaux d'impulsion codés transmis par le réseau
An assembly includes a fluid conditioning system including a cascade module and an active charge compensator integrated into the fluid conditioning system. The fluid conditioning system is transformable between a first mode and a second mode. In the first mode, the fluid conditioning system includes a first vapor compression loop and a second vapor compression loop. The first vapor compression loop and the second vapor compression loop are thermally coupled at the cascade module and the second vapor compression loop is fluidly separate from the first vapor compression loop. In the second mode, the fluid conditioning system includes a single vapor compression loop. The active charge compensator is operable to control a working fluid charge within the fluid conditioning system based on the mode of operation selected from the plurality of modes.
F25B 7/00 - Machines, installations ou systèmes à compression fonctionnant en cascade, c.-à-d. avec plusieurs circuits, l'évaporateur d'un circuit refroidissant le condenseur du circuit suivant
F25B 45/00 - Dispositions pour l'introduction ou l'évacuation du frigorigène
This application provides a screw compressor and a slide valve thereof. The slide valve includes: a valve body having a cylindrical shape extending in an axial direction, with a side surface having a pressure discharge surface that matches an outer peripheral contour of a rotor of the screw compressor; a discharge chamber provided at an end of the pressure discharge surface along the axial direction; a slider provided in the discharge chamber, and configured to slide along a radial direction of the valve body, a shape of an outer edge of the slider matching a shape of the pressure discharge surface; and a spring connected to the slider and configured to drive the slider to slide to a position where the outer edge of the slider is flush with the pressure discharge surface.
F04C 2/16 - Machines ou pompes à piston rotatif du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne avec des pistons rotatifs dentés à dents hélicoïdales, p. ex. du type ayant la forme d'un chevron, du type à vis
F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes
F16K 3/30 - Robinets-vannes ou tiroirs, c.-à-d. dispositifs obturateurs dont l'élément de fermeture glisse le long d'un siège pour l'ouverture ou la fermeture Détails
This application provides a refrigeration system. By a regenerator with an inlet on a primary side connected to an outlet of a condenser, an outlet on the primary side connected to an inlet of an expansion valve, an inlet of a secondary side connected to an outlet of an evaporator, and an outlet of the secondary side connected to an inlet of a compressor, a medium-temperature and high-pressure refrigerant liquid discharged from the condenser and a part of a low-temperature and low-pressure refrigerant gas discharged from the evaporator exchange heat in the regenerator, thereby improving subcooling of the refrigerant liquid at the inlet of the expansion valve and superheating of the refrigerant gas at the inlet of the compressor.
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
Described herein is a system for controlling an HVAC unit. The system comprises a controller configured to monitor temperature of air upstream and downstream of an indoor coil of the HVAC unit, and control, based on the monitored temperature, speed of one or more fans configured with the indoor coil to maintain a temperature difference across the indoor coil.
F24F 11/81 - 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 l’apport en air aux échangeurs de chaleur ou aux canaux de dérivation
F24F 11/523 - Aménagements pour l’indication, p. ex. écrans pour l’affichage de la température
Disclosed herein is a system for power supply management in a vehicle equipped with a transport refrigeration unit (TRU). The system comprises a controller connected to the TRU. Controller comprises a processor with access to a memory storing instructions executable by processors, which causes controller to adapt operation of one or more components of the TRU to adjust electrical power consumption of the TRU to a determined power level, based on one or more of electrical attributes of electrical power supplied to battery, real-time electrical power consumption of TRU, and real-time state of charge (SOC) of battery.
B60L 1/00 - Fourniture de l'énergie électrique à l'équipement auxiliaire des véhicules à traction électrique
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
B60L 58/12 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries en fonction de l'état de charge [SoC]
24.
SYSTEM AND METHOD FOR CONTROLLING OPERATION OF A HEAT PUMP
Described herein is a system and a method for controlling operation of a heat pump. The system comprises an electronic expansion valve (EXV) configured to fluidically connect an indoor unit of the heat pump with an outdoor unit of the heat pump, and a controller operatively connected to the EXV, where the controller is configured to issue a first control signal, during a first defrost mode, to at least partially close the EXV to increase discharge pressure in an outdoor coil of the outdoor unit to facilitate defrosting of the outdoor coil.
An electrical architecture for an electric/engineless trailer refrigeration unit (ETRU) is provided. The electrical architecture includes a battery, multiple auxiliary direct current (DC) power sources, multiple auxiliary alternating current (AC) power sources, TRU components, a master controller and a reconfigurable power conversion unit (RPCU). The RPCU is configurable by the master controller to transmit electrical power between the battery, the multiple auxiliary DC power sources, the multiple auxiliary AC power sources and the TRU components in accordance with current operational conditions, power levels of the battery, the multiple auxiliary DC power sources and the multiple auxiliary AC power sources and power demands of the TRU components.
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
B60P 3/20 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de marchandises réfrigérées
F25D 11/00 - Dispositifs autonomes déplaçables associés à des machines frigorifiques, p. ex. réfrigérateurs ménagers
H02J 5/00 - Circuits pour le transfert d'énergie électrique entre réseaux à courant alternatif et réseaux à courant continu
On-line retail store services featuring parts and replacement parts for vehicle engines, transport refrigeration units and equipment for trucks, trailers and shipping containers; Catalog ordering service featuring parts and replacement parts for vehicle engines, transport refrigeration units and equipment for trucks, trailers and shipping containers
Disclosed herein is an air handling unit (AHU) for use with an air conditioning system. The AHU comprises a housing defining the shape of the AHU, through which air is moved; a heat exchanger is disposed inside the housing. The heat exchanger is configured to facilitate a transfer of heat to and from the air moving through the housing. The AHU further comprises a diagonal-flow fan disposed inside the housing, wherein an air inflow into the fan and/or an air flow path through the fan is substantially axial, aligned along an axis of rotation of the fan, and wherein the AHU has a height-to-width ratio in a range between 1.8 and 2.0.
This application provides a water chilling unit including a compressor and a condenser, in which an outlet of the compressor communicates with an inlet of the condenser through a compressor outlet pipeline, and a check valve with a magnet is also provided in a discharge pipeline. During normal operation of the water chilling unit, the check valve is maintained at the maximum opening through attraction of opposite magnetic poles, and when the water chilling unit stops operating, the closure of the check valve is cushioned through repulsion of like magnetic poles.
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
F16K 15/18 - Soupapes, clapets ou valves de retenue à mécanisme de commandeSoupape de retenue et soupape à mécanisme de commande combinées
F16K 31/08 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant utilisant un aimant permanent
F25B 1/00 - Machines, installations ou systèmes à compression à cycle irréversible
F25B 41/20 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit
This application provides a fluid distributor and a heat exchanger. The fluid distributor includes: a first plate-shaped member in which an inlet flow passage is formed; a second plate-shaped member in which a first outlet flow passage and a second outlet flow passage spaced apart in a height direction are formed; a flow guide frame sealingly fixed between the first plate-shaped member and the second plate-shaped member, having a first flow guide space and a second flow guide space partitioned inside. The flow guide frame includes a flow equalizing plate, and the flow equalizing plate includes a flow equalizing plate bottom portion, and flow equalizing plate extension portions which extend upward from the flow equalizing plate bottom portion to two sides of the flow equalizing plate bottom portion while being inclined in the height direction. This application improves uniformity and a fault tolerance of a refrigerant distribution.
F28F 9/02 - Boîtes de distributionPlaques d'extrémité
F28F 1/34 - Éléments tubulaires ou leurs ensembles avec moyens pour augmenter la surface de transfert de chaleur, p. ex. avec des ailettes, avec des saillies, avec des évidements ces moyens étant uniquement à l'extérieur de l'élément tubulaire et s'étendant obliquement
31.
POWER CONVERTER DESIGN FOR ELECTROCALORIC AIR CONDITIONING SYSTEMS
A heat transfer system includes a first electrocaloric module comprising a first electrocaloric material, a first high-side electrode, and a first low-side electrode, arranged to impart an electric field to the electrocaloric material; a second electrocaloric module comprising a second electrocaloric material, a second high-side electrode, and a second low-side electrode, arranged to impart an electric field to the electrocaloric material; a power convertor including a power source configured to supply power to a high side bus and a low side bus; a controller configured to operate the power convertor through a plurality of stages.
H02M 3/07 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu sans transformation intermédiaire en courant alternatif par convertisseurs statiques utilisant des résistances ou des capacités, p. ex. diviseur de tension utilisant des capacités chargées et déchargées alternativement par des dispositifs à semi-conducteurs avec électrode de commande
F25B 21/00 - Machines, installations ou systèmes utilisant des effets électriques ou magnétiques
H02M 1/08 - Circuits spécialement adaptés à la production d'une tension de commande pour les dispositifs à semi-conducteurs incorporés dans des convertisseurs statiques
32.
FLUID DISTRIBUTOR FOR A SHELL-AND-TUBE FLOODED EVAPORATOR
Described herein is a distributor for a shell-and-tube flooded evaporator. The distributor comprises a first header comprising one or more first outlets located along a length at a bottom side of the first header, and a second header comprising one or more second outlets located along a length at a bottom side of the second header. The distributor is configured to be disposed within a shell associated with the evaporator such that the first header and the second header extend along a length, on opposite sides of an inner wall of the shell, and the first header and the second header are fluidically connected to one or more refrigerant inlet tubes provided on the shell.
Described herein is a device for displaying subcooling data of a refrigeration circuit associated with an HVAC system. The device comprises a display module having a predefined display area configured to display at least two characters at a time, wherein the display module is configured to receive subcooling data of the refrigeration circuit and display the received subcooling data over the predefined display area in alphanumeric and/or string characters while scrolling or paging the data thereover in a predefined direction and at a predefined interval.
F24F 11/523 - Aménagements pour l’indication, p. ex. écrans pour l’affichage de la température
F24F 140/20 - Température du fluide échangeur de chaleur
G09G 3/14 - Dispositions ou circuits de commande présentant un intérêt uniquement pour l'affichage utilisant des moyens de visualisation autres que les tubes à rayons cathodiques pour la présentation d'un seul caractère, soit en sélectionnant un seul caractère parmi plusieurs, soit en composant le caractère par combinaison d'éléments individuels, p. ex. de segments élémentaires utilisant des sources lumineuses commandées utilisant des éléments électroluminescents des dispositifs à semi-conducteurs, p. ex. des dispositifs à diodes
G09G 3/18 - Dispositions ou circuits de commande présentant un intérêt uniquement pour l'affichage utilisant des moyens de visualisation autres que les tubes à rayons cathodiques pour la présentation d'un seul caractère, soit en sélectionnant un seul caractère parmi plusieurs, soit en composant le caractère par combinaison d'éléments individuels, p. ex. de segments élémentaires en commandant la lumière provenant d'une source indépendante utilisant des cristaux liquides
34.
POWER SYSTEM FOR TRANSPORTATION REFRIGERATION UNIT AND METHOD FOR CONTROLLING POWER THEREOF
A power system for a vehicle having a TRU is disclosed. The power system includes an energy storage unit adapted to supply power to the TRU, and includes an axle generator electrically connected to the energy storage unit to supply power to the energy storage unit and the TRU. The power system includes a pressure sensor to sense ambient pressure, and includes a power supply system. The power supply system is configured to determine a SoC of the energy storage unit, and is configured to determine an altitude of the power system based on the ambient pressure. The power supply system is configured to determine a power output of the axle generator, and configured to adjust a power supplied by the energy storage unit and the axle generator to the TRU based on the determined SoC, the determined altitude, and the determined power output.
B60P 3/20 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de marchandises réfrigérées
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
This application provides a refrigeration apparatus using a main fan to cool an electronic control device while meeting heat exchange requirements of a heat exchanger. By arranging a first air duct and a second air duct in parallel, and controlling a relationship between a cross-sectional area of a first air duct inlet and a cross-sectional area of a second air duct outlet, and a relationship between a cross-sectional area of a second air duct inlet and the cross-sectional area of the second air duct outlet, air flowing into the first air duct after heat exchange with a refrigerant in the heat exchanger and air in the second air duct after heat exchange with the electronic control device are merged in the first air duct, and are discharged from the refrigeration apparatus through a first air duct outlet.
F25D 17/06 - Dispositions pour la circulation des fluides de refroidissementDispositions pour la circulation de gaz, p. ex. d'air, dans les enceintes refroidies pour la circulation de gaz, p. ex. convection naturelle par circulation d'air forcée
F25D 17/08 - Dispositions pour la circulation des fluides de refroidissementDispositions pour la circulation de gaz, p. ex. d'air, dans les enceintes refroidies pour la circulation de gaz, p. ex. convection naturelle par circulation d'air forcée en utilisant des conduits
A fluid distributor for a heat exchanger is disclosed. The fluid distributor comprises a header having compartments. A plurality of MCHX tubes associated with a heat exchange section of the heat exchanger are fluidically connected to at least one of the compartments. The fluid distributor further comprises a distribution tube extending longitudinally along the compartments through the walls. The distribution tube comprises a plurality of cavities extending longitudinally along the length of the distribution tube and configured radially around a central axis of the distribution tube. Each cavity comprises ports opening in a compartment. Further, the fluid distributor comprises a supply tube fluidically connected to the distribution tube or to a supply tube compartment of header and configured to supply a fluid into the distribution tube.
F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage
F28F 9/24 - Dispositions pour favoriser un écoulement turbulent des sources de potentiel calorifique, p. ex. par des plaques
37.
TRANSPORT REFRIGERATION UNIT AND A METHOD FOR CONTROLLING A BATTERY PACK
Described herein is a transport refrigeration unit (TRU). The TRU comprises a controller connected to a switching module associated with a battery pack and a TRU battery within the TRU, wherein the battery pack is connected to the TRU via the switching module; wherein the controller comprises a processor with access to a memory storing instructions executable by the processors, which causes the controller to issue an activation electrical power signal from the TRU battery to the switching module to activate the battery pack by establishing an electrical connection between the battery pack and the TRU.
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
F25D 11/00 - Dispositifs autonomes déplaçables associés à des machines frigorifiques, p. ex. réfrigérateurs ménagers
38.
DEVICE, SYSTEM, AND METHOD FOR DETERMINING CHARGE SETTINGS FOR A REFRIGERATION CIRCUIT
Disclosed herein is a system for determining charge settings for a refrigeration circuit of an HVAC unit. The system comprises a controller comprising one or more processors coupled to a memory storing instructions executable by the processors, wherein the controller is configured to receive a set of data pertaining to an operating environment of the HVAC unit and an internal volume of the refrigeration circuit, estimate a saturated suction temperature of a refrigerant in the refrigeration circuit based on the operating environment, and determine a weight of the refrigerant to be added to the refrigeration circuit or a subcooling target temperature for a liquid line associated with the refrigeration circuit based on the estimated saturated suction temperature and the internal volume.
A chiller system includes a compressor, a condenser, an expansion device, and an evaporator operably coupled to form a closed fluid loop having a fluid circulating therethrough. A flow of a cooling fluid is arranged in a heat transfer relationship with the fluid at the condenser. An energy transfer device is located downstream from the condenser relative to the flow of the cooling fluid. The energy transfer device is arranged in fluid communication with a third fluid and at least a portion of the heat from the fluid is transferred to the third fluid at the energy transfer device.
F25B 7/00 - Machines, installations ou systèmes à compression fonctionnant en cascade, c.-à-d. avec plusieurs circuits, l'évaporateur d'un circuit refroidissant le condenseur du circuit suivant
F25B 41/20 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit
40.
BATTERY PACK, AIR CONDITIONING SYSTEM, AND METHOD FOR THE SAME
Described herein is an air conditioning system comprising a battery box configured to output an output voltage, and a control board circuit configured to receive the output voltage from the battery box for a safe operation, wherein during the safe operation, the control board circuit is configured to actuate at least one of a refrigerant dissipation system and/or a safety shut-off valve to perform a shutdown operation when the output voltage provided by the battery box is greater than a preset threshold.
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
A sealing system for a magnetic levitating centrifugal compressor, the magnetic levitating centrifugal compressor including a motor cavity and a motor shaft disposed within the motor cavity, an end of the motor shaft extends out from the motor cavity and is mounted with an impeller, the sealing system includes: a seal which is sleeved on the outer side of the motor shaft and is disposed between the impeller and the motor cavity; a first magnet which is fixed at the outer surface of the motor shaft; and a second magnet which is fixed at a side of the seal facing the motor shaft; the first magnet and the second magnet form a radial repulsive force in the radial direction of the motor shaft, so that the seal can be levitated in relative to the motor shaft and move therewith.
A high-voltage system for a transport refrigeration unit (TRU) includes a high-voltage direct current (HVDC) source, and a first converter coupling the HVDC source to a distribution bus, the distribution bus is coupled to a compressor, at least one condenser, and at least one evaporator. A distribution bus is coupled to a compressor bus coupled to the compressor, a condenser bus coupled to the at least one condenser, and an evaporator bus coupled to the at least one evaporator.
A vapor compression system includes a compressor, a condenser, an expansion device, and an evaporator fluidly connected to form a closed fluid loop having a fluid circulating therethrough. A thermal storage device including a phase change material is fluidly connected to and is arranged downstream from an outlet of the compressor relative to a flow of the fluid. A storage expansion device is arranged downstream from the thermal storage device and upstream from the evaporator and a valve is adjustable between a plurality of positions to control the flow of the fluid from the compressor to the thermal storage device.
F24F 5/00 - Systèmes ou appareils de conditionnement d'air non couverts par ou
F24F 11/83 - 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 l’apport en fluides échangeurs de chaleur aux échangeurs de chaleur
44.
ECONOMIZER INJECTION IN A RECIPROCATING COMPRESSOR
A compressor includes a cylinder block having a first bore and a cylinder head overlapping the cylinder block. The cylinder head has a second bore aligned with the first bore. The second bore is separated into a plurality of distinct regions including a suction region and an economizer region. A plurality of valves includes a suction valve selectively operable to fluidly couple the suction region and the first bore, and an economizer valve selectively operable to fluidly couple the economizer region and the first bore.
F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée
F04B 25/04 - Pompes multiétagées spécialement adaptées aux fluides compressibles ayant des cylindres coaxiaux, parallèles ou inclinés par rapport à l'arbre principal
F04B 39/00 - Parties constitutives, détails ou accessoires de pompes ou de systèmes de pompage spécialement adaptés aux fluides compressibles, non prévus dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
F04B 39/12 - Carcasses d'enveloppeCylindresCulassesConnexions des tubulures pour fluide
F04B 49/22 - Commande des "machines", pompes ou installations de pompage ou mesures de sécurité les concernant non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes par clapets
45.
DIRECT DRIVE REFRIGERANT SCREW COMPRESSOR WITH REFRIGERANT LUBRICATED ROTORS
Disclosed is a direct-drive refrigerant screw compressor, having: a housing; a compression chamber in the housing; a pair of rotors, each rotor of the pair of rotors being rotationally disposed in the compression chamber and including an outer surface with a screw-geared profile; a fluid being disposed in the compression chamber, the fluid consisting of a working fluid for providing lubrication to each rotor; a first port extending through the housing and configured for directing the fluid toward the compression chamber; and when the compressor is activated, each rotor rotates and the fluid is distributed about each rotor to lubricate each rotor.
F04C 29/02 - LubrificationSéparation du lubrifiant
F04C 18/16 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne avec des pistons rotatifs dentés à dents hélicoïdales, p. ex. du type ayant la forme d'un chevron, du type à vis
F25B 1/047 - Machines, installations ou systèmes à compression à cycle irréversible à compresseur rotatif du type à vis
46.
AIR HANDLING UNIT HAVING A HEAT SHIELD FLOW DISTRIBUTOR
Described herein is an air handling unit (AHU), comprising a motor-driven fan configured to generate an airflow through a housing, one or more heat elements downstream of the fan to heat the airflow, a control box within the housing containing control electronics to control the heat elements, and a supplementary heat shield between the heat elements and the control box. The supplementary heat shield and control box form a passage for airflow, allowing the control electronics to dissipate thermal losses, and the heat shield reduces heat transfer from the heat elements.
A heat removal device operable to cool a heat-generating device includes a housing having a hollow interior and a base thermally couplable to the heat-generating device and arranged within the hollow interior of the enclosure. The base includes a cooling surface arranged at an incline. A plurality of fins protrude from the cooling surface and at least one first groove is formed in the cooling surface. A top cover is positioned upwardly adjacent to the plurality of fins. The top cover has one or more perforations formed therein.
H01L 23/427 - Refroidissement par changement d'état, p. ex. caloducs
H01L 23/373 - Refroidissement facilité par l'emploi de matériaux particuliers pour le dispositif
H01L 23/367 - Refroidissement facilité par la forme du dispositif
H01L 23/46 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation
H01L 23/467 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de gaz, p. ex. d'air
H01L 23/473 - Dispositions pour le refroidissement, le chauffage, la ventilation ou la compensation de la température impliquant le transfert de chaleur par des fluides en circulation par une circulation de liquides
48.
CONTROL METHOD AND CONTROL DEVICE FOR COMPRESSOR UNIT
The disclosure provides a control method and a control device for a compressor unit, in which oil levels of a first compressor and a second compressor can be adjusted without additionally arranging an oil return pipeline. A first aspect of this application provides a control method for a compressor unit, the compressor unit having a first compressor and a second compressor, and the first compressor and the second compressor being in communication with each other through a gas balance pipe and an oil balance pipe. The compressor unit has a conventional operation step and an oil level adjustment step that are alternately executed, and in the oil level adjustment step, the compressor unit changes a rotation speed of the first compressor and/or the second compressor to adjust oil levels of the first compressor and the second compressor.
An electrical power supply system for an electric transport refrigeration unit. The electrical power supply system is for providing AC power to a refrigeration system and includes: a DC power source for providing a DC voltage via a low voltage line and a high voltage line; an inverter for receiving the DC voltage and converting it to a three phase AC voltage for powering the refrigeration system; and an electromagnetic compatibility, EMC, filter between the inverter and the refrigeration system. The EMC filter uses a common mode current path that connects to a DC link, where the DC link is provided between the high voltage line and the low voltage line of the DC power source. The common mode current path is hence coupled to the DC link in order to provide a floating current connection for common mode current from the EMC filter.
B60R 16/03 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique
B60P 3/20 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de marchandises réfrigérées
F25D 11/00 - Dispositifs autonomes déplaçables associés à des machines frigorifiques, p. ex. réfrigérateurs ménagers
H02P 27/06 - Dispositions ou procédés pour la commande de moteurs à courant alternatif caractérisés par le type de tension d'alimentation utilisant une tension d’alimentation à fréquence variable, p. ex. tension d’alimentation d’onduleurs ou de convertisseurs utilisant des convertisseurs de courant continu en courant alternatif ou des onduleurs
H03H 7/01 - Réseaux à deux accès sélecteurs de fréquence
50.
COOLING SYSTEM FOR A VARIABLE FREQUENCY DRIVE ASSOCIATED WITH A TRANSPORT REFRIGERATION UNIT
Described herein is a transport refrigeration unit (TRU). The TRU comprises an evaporator, and a variable frequency drive (VFD) operatively coupled to a compressor and/or an evaporator fan associated with the TRU, wherein the VFD is at least partially disposed within an evaporator compartment or fully disposed within a structure separating the evaporator compartment and a condenser compartment associated with the TRU.
Described herein is a method for tampering detection in at least one passive component of a heating, ventilation, air conditioning, and refrigeration (HVAC-R) system, the method comprising attaching one or more devices to a corresponding fastener of the at least one passive component, wherein the one or more devices are configured to transmit an alert signal based on at least one of a position of a sensing element of the one or more devices, vibration detections between the one or more devices and the at least one passive component, and/or unresponsiveness of at least one neighboring device, determining, by a controller, a tamper state of the at least one passive component based on the alert signal, and transmitting, by the controller, an electronic control signal to at least one of the one or more devices and/or the HVAC-R system based on the tamper state.
A Heating Ventilation and Air Conditioning (HVAC) burner assembly is disclosed. The HVAC burner assembly includes one or more burners comprising a downstream side and an inlet disposed on an upstream side. An inlet manifold, in fluid communication with the inlet of the one or more burner, is adapted to supply a primary air-fuel mixture to the inlet of the one or more burner. At least one mechanical blower is in fluid communication with the inlet manifold. The at least one mechanical blower includes an impeller adapted to receive and mix a fuel with primary air for generating the primary air-fuel mixture.
F23D 14/04 - Brûleurs à gaz avec prémélangeurs, c.-à-d. dans lesquels le combustible gazeux est mélangé à l'air de combustion en amont de la zone de combustion du type à induction, p. ex. becs Bunsen
F23C 1/00 - Appareils à combustion spécialement adaptés à la combustion de plusieurs sortes de combustibles simultanément ou alternativement, au moins un des combustibles étant fluide ou étant un combustible solide en suspension dans l’air
F23D 14/60 - Dispositifs pour le réglage simultané du gaz et de l'air de combustion
F23L 9/02 - Passages ou ouvertures pour introduire l'air secondaire nécessaire à la combustion complète du combustible l'air étant introduit au-dessus du foyer
F23N 1/02 - Régulation de l'alimentation en combustible conjointement au réglage de l'amenée d'air
A transportation refrigeration unit (TRU) and power system. The TRU and power system including a compressor configured to compress a refrigerant, an evaporator heat exchanger operatively coupled to the compressor, and an evaporator fan configured to provide return airflow and flow the return airflow over the evaporator heat exchanger. The system also includes a return air temperature (RAT) sensor disposed in the return airflow and configured measure the temperature of the return airflow, a TRU controller operably connected to the RAT sensor and configured to execute a process to determine an AC power requirement for the TRU based on at least the RAT; a generator power converter configured to receive a generator three phase AC power and provide DC power to an energy storage system, a power management system, the power management system configured to direct power the TRU based on the AC power requirement.
An energy control system for use with an electric vehicle having an energy storage device that powers both the propulsion system of the vehicle and a transport refrigeration unit that is configured to condition a cargo space of the vehicle; the energy control system is configured to receive a user selection relating to energy to be allocated to the propulsion system and/or the transport refrigeration unit; and the energy control system is configured to provide control for an energy allocation of the available energy in the energy storage device between the propulsion system and the transport refrigeration unit based on the user selection and the available energy in the energy storage device.
B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
B60L 58/12 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries en fonction de l'état de charge [SoC]
56.
REFRIGERATION SYSTEM AND REFRIGERATED VAN HAVING THE SAME
A refrigeration system comprises a compressor, a condenser, a reservoir, a throttling device, an evaporator, and a cooling device for cooling high-temperature components connected in sequence through pipes. The cooling device has a heat exchange container and a flow pipe, where the heat exchange container maintains fluid communication with the reservoir through the flow pipe, and the heat exchange container is used to absorb heat of the high-temperature components. The heat exchange container receives liquid refrigerant from the reservoir through the flow pipe, the liquid refrigerant in the heat exchange container generates vapor after heat exchange with heat absorbed from the high-temperature components, and the vapor enters the reservoir through the flow pipe, thus forming a circulation loop. Also described is a refrigerator van configured with a refrigeration system.
This application provides an ejector refrigeration system including: a compressor having a suction port and a discharge port; a first heat exchanger connected to the discharge port of the compressor to receive a fluid working medium flowing out from the discharge port of the compressor; and an ejector including a primary flow inlet connected to the first heat exchanger to receive a fluid working medium from the first heat exchanger, a secondary flow inlet, and an ejector outlet connected to the suction port of the compressor to return a fluid working medium entering the ejector to the suction port of the compressor; and a phase adjustment mechanism configured to adjust a phase state of the fluid working medium entering the primary flow inlet of the ejector or adjust a gas-liquid ratio of the fluid working medium at the primary flow inlet, thereby enabling the ejector to generate sufficient pressure lift.
F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression
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
This application provides a refrigeration heat pump unit, including a refrigerant circuit formed by a centrifugal compressor, a condenser, a throttling device, and an evaporator. The centrifugal compressor includes a housing, a first motor, a second motor, a first compression chamber, a second compression chamber, a first impeller, a second impeller, and a controller. The controller is configured to turn on the first motor and turn off the second motor in response to a first working condition, turn off the first motor and turn on the second motor in response to a second working condition, and turn on the first motor and the second motor in response to a third working condition.
A hybrid fuel cell system is disclosed. The hybrid fuel cell comprises a fuel cell adapted to supply power to a load. The hybrid fuel cell further comprises an Electrical Air Compressor (EAC) unit operatively coupled with the fuel cell. Also, the hybrid fuel cell comprises an auxiliary power source connected to the EAC unit via a Direct Current to Alternative Current (DC-AC) converter. Furthermore, the hybrid fuel cell comprises a converter circuit configured to perform at least one of enable the auxiliary power source to supplement the fuel cell to provide collective power supply to a load during the initialization phase of the fuel cell, enable the fuel cell to provide either the input power supply or a supplement power supply to the EAC unit during an operational phase of the fuel cell, or enable the fuel cell to charge the auxiliary power source.
H01M 8/04225 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides pendant le démarrage ou l’arrêtDépolarisation ou activation, p. ex. purgeMoyens pour court-circuiter les éléments à combustible défectueux pendant le démarrage
H01M 8/04111 - Dispositions pour la commande des paramètres des réactifs, p. ex. de la pression ou de la concentration des réactifs gazeux utilisant un assemblage turbine compresseur
H01M 8/04302 - Procédés de commande des éléments à combustible ou des systèmes d’éléments à combustible appliqués pendant des périodes spécifiques appliqués pendant le démarrage
An assembly includes a heat pump and a cascade module fluidly couplable to the heat pump. The cascade module is fluidly connected to the heat pump during a first mode of operation to increase a capacity of the heat pump and the cascade module is not fluidly connected to the heat pump during a second mode of operation.
F24F 3/00 - Systèmes de conditionnement d'air dans lesquels l'air conditionné primaire est fourni par une ou plusieurs stations centrales aux blocs de distribution situés dans les pièces ou enceintes, blocs dans lesquels il peut subir un traitement secondaireAppareillage spécialement conçu pour de tels systèmes
F25B 7/00 - Machines, installations ou systèmes à compression fonctionnant en cascade, c.-à-d. avec plusieurs circuits, l'évaporateur d'un circuit refroidissant le condenseur du circuit suivant
61.
COMMUNICATION CIRCUIT, COMMUNICATION SYSTEM, AND AIR CONDITIONING SYSTEM
The present invention relates to a communication circuit, a communication system, and an air conditioning system provided with the communication circuit and the communication system. The communication circuit includes a control chip, a first data bus transceiver, a second data bus transceiver, and a switch circuit. The first data bus transceiver has one end connected to the control chip and the other end connected to the first external device; the second data bus transceiver has one end connected to the control chip and the other end connected to the second external device; and the switch circuit is connected to the first data bus transceiver and the second data bus transceiver. The communication circuit realizes automatic switching of two independent RS485 communication buses according to a requirement of communication data, thereby realizing device interconnection and real-time data exchange on the two independent RS485 communication buses. Accordingly, the communication efficiency is improved.
This application provides an HVAC system, a control method for an HVAC system, and a computer-readable storage medium. The HVAC system includes a chiller/heat pump unit, an air handling unit and a controller. The chiller/heat pump unit provides working fluid. The air handling unit is provided with a heat exchanger, air is blown indoors after exchanging heat with the working fluid flowing through the heat exchanger, and the air handling unit adjusts the supply air temperature based on a temperature setpoint. The controller is configured to acquire an expected emission level of an energy source powering the HVAC system and adjust the temperature setpoint based on the expected emission level.
F24F 11/46 - Amélioration de l’efficacité électrique ou économie d’énergie électrique
F24F 11/80 - Systèmes de commande caractérisés par leurs grandeurs de sortieDétails de construction de tels systèmes pour la commande de la température de l’air fourni
63.
REFRIGERATING SYSTEM, METHOD FOR CONTROLLING REFRIGERATING SYSTEM, AND STORAGE MEDIUM
This application provides a refrigerating system including a first throttling device control mode setting module and a first throttling device control module. The first throttling device control mode setting module receives at least one parameter associated with operation of a compressor, determines whether the at least one parameter indicates that the compressor is under a preset surge protection condition, and selects between a normal control mode and a surge protection control mode based on the determination. The first throttling device control module controls the first throttling device in the normal control mode in response to the first throttling device control mode setting module selecting the normal control mode, and controls the first throttling device in the surge protection control mode in response to the first throttling device control mode setting module selecting the surge protection control mode.
This disclosure provides a heat exchanger unit and an air conditioning system. The heat exchanger unit includes: a first heat exchanger, included in a first housing provided with a first refrigerant inlet and a first refrigerant outlet, and a first heat exchanging tube bundle disposed in the first housing; a second heat exchanger, included in a second housing provided with a second refrigerant inlet and a second refrigerant outlet, and a third heat exchanging tube bundle disposed in the second housing and having an inlet in communication with an outlet of the first heat exchanging tube bundle; a third heat exchanger, and a first heat exchanging flow passage; and a fourth heat exchanger, and a second heat exchanging flow passage and having an inlet in communication with an outlet of the first heat exchanging flow passage.
F28D 1/04 - 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 est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires
F28D 1/053 - 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 est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
65.
CHILLER UNIT ENERGY CONSUMPTION CALCULATING METHOD, CALCULATING DEVICE, AND CHILLER UNIT
This application provides a device, system and method for predicting and calculating energy consumption of a chiller unit. The system and method includes: a chiller unit load prediction step of predicting and outputting a total load of the chiller unit based on a preset cooling load prediction model; a chiller load distribution step of distributing the total load of the chiller unit to generate a first chiller load and a second chiller load, according to a chiller load distribution logic; a chiller energy efficiency value acquisition step of correspondingly acquiring a first chiller energy efficiency value and a second chiller energy efficiency value according to a chiller load-energy efficiency relationship; and a chiller power calculation step of calculating a first chiller input power and a second chiller input power according to the first chiller energy efficiency value and the second chiller energy efficiency value.
The present application provides a water source heat pump system including a first unit and a second unit. The first unit includes a first compressor, a first condenser and a first evaporator. The second unit includes a second compressor, a second condenser and a second evaporator. The first compressor, the first condenser and the first evaporator are in communication with each other to form a first refrigerant circuit, and the second compressor, the second condenser and the second evaporator are in communication with each other to form a second refrigerant circuit. A fluid pipeline in the first condenser and a fluid pipeline in the second condenser are connected in series to allow a heating fluid to pass through the second condenser and the first condenser in sequence. A fluid pipeline in the first evaporator and a fluid pipeline in the second evaporator are connected in series to allow a heat source fluid to pass through the first evaporator and the second evaporator in sequence. The first compressor and the second compressor are both centrifugal direct-drive compressors, and each of the centrifugal direct-drive compressors includes a first compression chamber, a second compression chamber, a driving motor and at least three impellers.
Described herein is a motor for a compressor. The motor comprises a rotor configured over a shaft, a stator arranged around the rotor within a housing associated with the compressor, and a cooling system. The cooling system comprises a first fluidic passage extending from a first end towards a second end, along a length, of the shaft, and a plurality of orifices configured at positions on a circumference of the shaft, where the plurality of orifices are fluidically connected to the first fluidic passage via a plurality of second fluidic passages, wherein the motor is configured to enable a refrigerant associated with the compressor to flow within the first fluidic passage via the first end of the shaft and further flow out of the shaft towards the stator and/or the rotor through the plurality of orifices via the corresponding second fluidic passages.
H02K 9/19 - Dispositions de refroidissement ou de ventilation pour machines avec enveloppe fermée et circuit fermé de refroidissement utilisant un agent de refroidissement liquide, p. ex. de l'huile
F04C 18/16 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne avec des pistons rotatifs dentés à dents hélicoïdales, p. ex. du type ayant la forme d'un chevron, du type à vis
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
Described herein is a fluid distributor assembly for a heat exchanger. The assembly comprises a first casing, a second casing configured to be removably attached to the first casing such that a header is formed having an enclosed space therewithin, and a plurality of fluid distributors configured to be removably accommodated on one or more of the first casing and the second casing, wherein at least two fluid distributors among the plurality of fluid distributors have different distribution configurations, wherein the first casing and the second casing are attached to secure the accommodated distributors within the formed header.
Disclosed herein is a power supply system for a transport refrigeration unit (TRU). The system comprises a battery, and a generator connected to the battery. The generator is operatively coupled to an axle of a trailer to generate electrical power upon rotation of the axle. The system further comprises a controller configured to activate the generator to generate and supply the electrical power to the battery and/or the TRU during the a trip after the TRU depletes energy stored in the battery to or below a threshold state of charge (SoC) level.
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H01M 10/46 - Accumulateurs combinés par structure avec un appareil de charge
H02J 7/16 - Régulation du courant ou de la tension de charge par variation de champ
Described herein is a motor for a compressor. The motor comprises a rotor configured over a shaft, a stator arranged around the rotor within a cover associated with the motor, and at least one fluid injection device, wherein the at least one fluid injection device has a shape and comprises an inlet port, and one or more outlet ports configured at positions on the corresponding fluid injection device, the one or more outlet ports being fluidically connected to the inlet port via a plurality of fluidic passages extending within the corresponding fluid injection device, wherein the inlet of each of the at least one fluid injection device is fluidically connected to a fluid injection passage extending through the cover.
F04C 18/16 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement extérieur, c.-à-d. avec un engagement des organes coopérants semblable à celui d'engrenages dentés d'un autre type qu'à axe interne avec des pistons rotatifs dentés à dents hélicoïdales, p. ex. du type ayant la forme d'un chevron, du type à vis
71.
BATTERY-BASED ACTIVE MAGNETIC BEARING SYSTEM AND A POWER SUPPLY CIRCUIT THEREOF
A power supply circuit for a magnetic bearing system comprises a power convertor configured to be electrically connected to an alternating current (AC) power source, an inverter configured to be electrically connected between the power convertor and a motor associated with the HVAC system, and a battery, an input side of the battery electrically connected to a direct current (DC) bus configured between the power convertor and the inverter, and an output side of the battery electrically connected to one or more electromagnetic bearings and a magnetic bearing control drive associated with the motor or the magnetic bearing system, wherein the battery is configured to receive and store a portion of the DC electrical power. The battery is configured to supply the stored electrical power to the electromagnetic bearings and the magnetic bearing control drive in an event of failure of supply of electrical power to the motor.
H02J 9/06 - Circuits pour alimentation de puissance de secours ou de réserve, p. ex. pour éclairage de secours dans lesquels le système de distribution est déconnecté de la source normale et connecté à une source de réserve avec commutation automatique
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
H02K 7/09 - Association structurelle avec des paliers avec des paliers magnétiques
H02M 1/00 - Détails d'appareils pour transformation
H02M 5/458 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant alternatif, p. ex. pour changement de la tension, pour changement de la fréquence, pour changement du nombre de phases avec transformation intermédiaire en courant continu par convertisseurs statiques utilisant des tubes à décharge ou des dispositifs à semi-conducteurs pour transformer le courant continu intermédiaire en courant alternatif utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
Described herein is an impeller for a flow device. The impeller comprises a hub, and a plurality of blades extending radially outwards from the hub, wherein each of the blades is at least partially attached to an outer surface of the hub such that at least a portion of a tip end, opposite to the hub, of the corresponding blades remains unattached to the outer surface of the hub, wherein the unattached portion of the blades is free to deflect based on a rotational speed of the impeller and correspondingly adjust a backsweep angle of the corresponding blades within a predefined range.
Described herein is a transport refrigeration unit (TRU). The TRU comprises a refrigeration module configured to be installed on a container, and at least one power module configured to be detachably disposed at one or more positions on the container or removably attached to an axle of the container, wherein the at least one power module is configured to be reversibly connected to the refrigeration module via electrical harnesses, and wherein the at least one power module comprising at least one of: an electric power module, a fuel-based power module, or an axle generator operably connected to the axle of the container.
F25D 11/00 - Dispositifs autonomes déplaçables associés à des machines frigorifiques, p. ex. réfrigérateurs ménagers
B60P 3/20 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de marchandises réfrigérées
B60R 16/02 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques
B60R 16/03 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
G07C 5/08 - Enregistrement ou indication de données de marche autres que le temps de circulation, de fonctionnement, d'arrêt ou d'attente, avec ou sans enregistrement des temps de circulation, de fonctionnement, d'arrêt ou d'attente
74.
POWER SUPPLY MANAGEMENT IN A TRANSPORT REFRIGERATION UNIT
Disclosed herein is a power supply system for a transport refrigeration unit (TRU). The power supply system comprises a battery having a battery management system (BMS). The BMS configured to enable a supply of electrical power to the battery or a supply of electrical power from the battery to the TRU, a generator electrically connected to the battery and the TRU, and a controller connected to the TRU, the generator, and the BMS, wherein the controller comprises a processor with access to a memory storing instructions executable by the processor, which causes the controller to monitor electrical power consumption of the TRU; monitor electrical power generated by the generator, and enable the supply of electrical power from the generator to the battery and/or powering the TRU based on the electrical power consumption of the TRU and the electrical power generated by the generator.
F25D 29/00 - Disposition ou montage de l'appareillage de commande ou de sécurité
B60P 3/20 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de marchandises réfrigérées
B60R 16/033 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour l'alimentation des sous-systèmes du véhicule en énergie électrique caractérisé par l'utilisation de cellules électriques ou de batteries
H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02J 7/14 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge de batteries par des générateurs dynamo-électriques entraînés à vitesse variable, p. ex. sur véhicule
75.
LAMINATED HEADER FOR A MICROCHANNEL HEAT EXCHANGER
A laminated header for a microchannel heat exchanger comprises a distribution plate comprising a first cut-out section of a first shape extending along a longitudinal axis of the distribution plate, wherein a width of the first cut-out section at least partially decreases along the longitudinal axis a hole plate comprising a plurality of bore-holes formed therein and separated by a distance therebetween, a section plate comprising a plurality of second cut-out sections of a second shape different from the first shape, and wherein the hole plate is parallelly stacked between the distribution plate and the section plate. The first cut-out section fluidically connects with each of the bore-holes and the second cut-out sections fluidically connects the bore-holes to a plurality of microchannel tubes of the heat exchanger.
The disclosure relates to the technical field of refrigeration, in particular to a heat exchange system and a heat exchange method. The heat exchange system can increase the suction/discharge superheat of a refrigerant and decrease the temperature of lubricating oil, thus improving the viscosity and lubrication performance of the lubricating oil; and the heat exchange system has a low cost, a simple structure and a small size and is suitable for different types of refrigeration systems. The heat exchange system comprises a compressor, an evaporator, a heat exchanger, an inlet line, a first regulating device and an outlet line. A heat exchange line is arranged in the heat exchanger, the inlet line is connected to the evaporator and the heat exchange line, the first regulating device is arranged on the inlet line and the outlet line is connected to a suction inlet of the compressor and the heat exchange line.
Described herein is a fluid distributor for a header associated with a heat exchanger. The distributor comprises a distributor tube comprising a first tube segment, and a second tube segment extending at a predefined angle from an end of the first tube segment, wherein the distributor tube comprises a hole at a predefined position on a predefined side, facing towards the first tube segment on an inner side of a bend, of the second tube segment, wherein the distributor tube is configured with the header such that the first tube segment remains outside of the header and the second tube segment extends longitudinally within the header via a first end of the header, with the hole located at the first end of the header.
F28F 9/02 - Boîtes de distributionPlaques d'extrémité
F28F 9/22 - Dispositions pour diriger les sources de potentiel calorifique dans des compartiments successifs, p. ex. aménagement des plaques de guidage
78.
THERMAL STRATIFICATION MIXER FOR AN AIR HANDLING UNIT
Described herein is an air handling unit (AHU). The AHU comprises a heat exchanger, and a thermal stratification mixer. The mixer comprises a central hub, and a plurality of blades extending radially from the hub with a gap between each of the blades, wherein the blades comprises a set of first blades and a set of second blades configured in an alternating arrangement, wherein the gap between each of the blades allows a first portion of an air stream flowing through the heat exchanger to flow substantially straight, and a trailing surface of the first blades causes a second portion of the air stream to turn by a substantially 90 degrees angle and flow over a leading surface of the adjacent second blade, to mix the first and second portions of the air stream and swirl the mixed air stream downstream of the mixer.
B01F 25/60 - Mélangeurs à pompe, c.-à-d. mélange à l'intérieur d'une pompe
F04D 25/12 - Ensembles comprenant des pompes et leurs moyens d'entraînement le fluide énergétique étant l'air, p. ex. pour la ventilation l'ensemble étant adapté pour être monté dans des ouvertures
79.
SYSTEM AND METHOD FOR LUBRICANT MANAGEMENT IN A HEATING, VENTILATION, AIR CONDITIONING, AND REFRIGERATION (HVACR) SYSTEM
A lubricant management system for a HVACR system, is disclosed. The lubricant management system includes a compressor, a first and a second set of orifices, and a flow regulating valve. The compressor includes lubricant inlet ports and lubricant outlet ports. The first set of orifices are adapted to receive lubricant via a first passageway and a second passageway via a flow regulating valve disposed in the second passageway, such that the first passageway and the second passageway are fluidly connected. The second set of orifices are adapted to receive lubricant supplied by the first passageway and the second passageway. Moreover, the second set of orifices are adapted to supply the received lubricant to each of the lubricant inlet ports such that the flow regulating valve is open to supply lubricant based on the pressure difference between a first and a second pressure region of the compressor.
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
80.
AIR HANDLING UNIT HAVING A HEAT SHIELD FLOW DISTRIBUTOR
An air handling unit is disclosed, including a motor-driven fan with an annular outlet configured to move air through a housing of the AHU, a primary heat exchanger configured to cool or heat the air passing through the AHU, one or more heat elements placed downstream of the motor-driven fan, the one or more heat elements being configured to transfer heat to the airflow, and a heat shield placed between the motor-driven fan and the one or more heat elements, and configured to reduce heat transfer from the one or more heat elements upstream of the heat shield, and redistribute the airflow upstream and downstream of the heat shield, wherein the heat shield includes a distribution of openings configured to allow air to flow through the heat shield.
Described herein is a supplemental electric heater assembly for a heat pump. The assembly comprises a plurality of electric heaters, each having a different heating capacity value, wherein the heating capacity values of the plurality of electric heaters are in a geometric progression.
F24F 1/0375 - 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 des aménagements pour le chauffage comportant des éléments diffuseurs de chaleur additionnels, p. ex. des chauffages électriques
A chiller comprises compressors, a condenser, a first throttling element, and an evaporator, wherein the compressors comprise a first EVI compressor and a second EVI compressor, which are connected in parallel. The chiller further comprises a second throttling element, a third throttling element, an economizer, a first manifold and a second manifold, wherein the economizer comprises a first heat-exchange passage, a second heat-exchange passage and a third heat-exchange passage, the second heat-exchange passage, the first heat-exchange passage is connected between the condenser and the first throttling valve, the first manifold is sequentially connected to the second throttling element, the second heat-exchange passage and the first supplement port, and the second manifold is sequentially connected to the third throttling element, the third heat-exchange passage and the second supplement port.
The present disclosure relates to the technical field of refrigeration, and in particular to a refrigeration system. The refrigeration system includes a compressor, an oil separator, and an evaporator, and the refrigeration system further includes a degasser, an input pipeline, and a first output pipeline, in which the degasser is in communication with the mixture outlet of the oil separator through the input pipeline, and is in communication with the inlet of the compressor through the first output pipeline. The refrigeration system can reduce a viscosity of a lubricating oil circulating in the system and improve a lubricating effect and a service life of equipment such as a compressor while achieving efficient oil-gas separation.
A method of providing selective air conditioning in an air conditioning system including a plurality of zones, each zone having a respective air conditioning device associated therewith. The method incudes determining there is a need for selective air conditioning; upon determining there is the need for selective air conditioning, sending a notice to a user device; receiving, at the user device, a selection of zones to be enabled of the plurality of zones and/or a selection of zones to be disabled of the plurality of zones; sending the selection of zones to be enabled of the plurality of zones and/or the selection of zones to be disabled of the plurality of zones to a controller; and the controller sending a command to each of the air conditioning devices, the command configured to enable or to disable the air conditioning device in each respective zone.
F24F 11/46 - Amélioration de l’efficacité électrique ou économie d’énergie électrique
F24F 11/52 - Aménagements pour l’indication, p. ex. écrans
F24F 11/81 - 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 l’apport en air aux échangeurs de chaleur ou aux canaux de dérivation
A system includes an air conditioning system including a first unit and a second unit coupled to the first unit by a fluid path; an energy storage device connected to at least one of the first unit and the second unit, the energy storage device configured to store electrical energy; and a thermal storage device connected to one of the first unit and the second unit, the thermal storage device configured to store thermal energy.
F24F 11/49 - Aménagements de commande ou de sécurité en relation avec le fonctionnement du système, p. ex. pour la sécurité ou la surveillance en assurant un fonctionnement correct, p. ex. par des essais ou par des contrôles de la configuration
An air conditioning system includes an outdoor load connected to an AC bus; an indoor load connected to the AC bus; an energy storage device connected to the AC bus; an outdoor load power measurement unit configured to determine a power demand of the outdoor load; an indoor load power measurement unit configured to determine a power demand of the indoor load; and an energy storage device management unit configured to control power supplied by the energy storage device such that power supplied by the energy storage device offsets a combined power demand of the outdoor load and power demand of the indoor load.
A power converter configured to supply power from one of an AC power grid or an energy storage device to an air conditioning system, the power converter including a positive DC line and a negative DC line; a first leg extending between the positive DC line and the negative DC line, the first leg including a first switch and a second switch; a second leg extending between the positive DC line and the negative DC line, the second leg including a third switch and a fourth switch; a third leg extending between the positive DC line and the negative DC line, the third leg including a fifth switch and a sixth switch; wherein the first leg, second and third leg are part of a three-phase inverter package; the AC power grid connected to a junction between the third switch and the fourth switch; and a controller.
H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
H02M 1/10 - Dispositions comprenant des moyens de conversion, pour permettre l'alimentation à volonté d'une charge par des sources de puissance de nature différente, p. ex. à courant alternatif ou à courant continu
H02M 7/797 - Transformation d'une puissance d'entrée en courant alternatif en une puissance de sortie en courant continuTransformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif avec possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande utilisant des dispositifs du type triode ou transistor exigeant l'application continue d'un signal de commande utilisant uniquement des dispositifs à semi-conducteurs
88.
POWER ELECTROINCS COMMUNICATION IN SELF-POWERED AIR CONDITOINING SYSTEM
A method of providing communication between a utility and power electronics of an air conditioning system, the method including receiving, at a controller of the air conditioning system, a message from the utility; wherein the message includes an event field including an event and a start time field including a start time; determining whether a current time equals the start time; upon determining that the current time equals the start time, transmitting the message to the power electronics.
H02J 3/32 - Dispositions pour l'équilibrage de charge dans un réseau par emmagasinage d'énergie utilisant des batteries avec moyens de conversion
H02J 7/02 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge des batteries par réseaux à courant alternatif au moyen de convertisseurs
89.
MANAGEMENT OF SELF-POWERED AIR CONDITIONING SYSTEMS
A system for energy management includes a utility server providing a load shape; an aggregator in communication with the utility server; a plurality of buildings; a plurality of assets associated with the plurality of buildings, at least one of the assets being an energy storage device; wherein the aggregator is configured to at least one of (i) supply energy from the energy storage device to satisfy the load shape or (ii) change a setting of an asset to satisfy the load shape.
Described herein is a system for real-time inbound trip automation and event monitoring for shipments. One or more products are associated with one or more shipments, one or more monitoring devices are assigned to the one or more shipments and affixed to the one or more products. Each of the monitoring devices is configured to monitor attributes and a location of the one or more products. The system is configured to receive a set of data packets pertaining to a trip automation rule defined for an inbound trip for the one or more shipments, detect a location of the one or more monitoring devices, and automatically create the trip for the one or more shipments associated with the activated monitoring devices upon a positive matching of the detected location with the origin and mark the detected location as a marked origin for the created trip.
A connector assembly for a scroll compressor comprises an adaptor having a first end configured to be attached to an outer surface of the compressor at one or more ports of the compressor such that a longitudinally extending bore-hole of the adaptor remains in line and fluidically connected to the corresponding port, and a first tube extending coaxially through the bore-hole of the adaptor via a second end of the adaptor such that a first end of the first tube extends at least partially within an inner chamber of the compressor via the corresponding port and a second end of the first tube extends at least partially outside of the second end of the adaptor, wherein a connecting end of a conduit to be fluidically connected to the corresponding port is configured to be coaxially connected to the second end of the first tube.
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
F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c.-à-d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise
F16L 19/025 - Extrémités de tuyaux pourvues de colliers ou de brides formant corps ou non avec les tuyaux, maintenues en contact par un organe vissé les colliers ou les brides formant partie intégrante des extrémités du tuyau
Described herein is a fluid distributor for a heat exchanger. The fluid distributor comprises a first tube having an open first end and a closed second end, wherein a plurality of first channels extends in a helical configuration along a length in an interior of the first tube and one or more outlet ports are configured along a surface of the first tube, wherein the fluid distributor is configured with the heat exchanger such that the one or more outlet ports fluidically connect the plurality of first channels to a plurality of tubes associated with a heat exchange section of the heat exchanger or an interior volume of an inlet header associated with the heat exchanger.
F28F 9/02 - Boîtes de distributionPlaques d'extrémité
F28D 1/053 - 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 est une grande masse de fluide, p. ex. radiateurs domestiques ou de moteur de voiture avec des canalisations d'échange de chaleur immergées dans la masse du fluide avec canalisations tubulaires les canalisations étant rectilignes
93.
INLINE REFRIGERANT MIXER FOR THERMOSTATIC EXPANSION VALVE BULB ASSOCIATED WITH REFRIGERATION CIRCUITS AND HEAT EXCHANGERS
Described herein is a refrigeration circuit. The refrigeration circuit comprises an evaporator coil comprising an inlet fluidically connected to an outlet of a condenser coil via a thermostatic expansion valve (TXV) and an outlet in thermal communication with a sensing bulb associated with the TXV, wherein the sensing bulb is configured to monitor temperature of a fluid exiting the outlet of the evaporator coil and correspondingly actuate the TXV to control pressure of the fluid supplied by the condenser coil into the evaporator coil; and a fluid mixer configured downstream of the outlet of the evaporator coil, wherein the fluid mixer is configured to uniformly mix the fluid exiting the evaporator coil, and wherein the sensing bulb is configured to sense temperature of the uniformly mixed fluid.
B01F 25/4314 - Tubes de mélange droits avec des chicanes ou des obstructions qui ne provoquent pas de chute de pression importanteChicanes à cet effet avec des chicanes hélicoïdales
B01F 35/213 - Mesure des propriétés des mélanges, p. ex. de la température, de la densité ou de la couleur
A power system for optimizing power supply to an Electrified Transportation Refrigeration Unit (E-TRU) of an electric vehicle includes an energy storage unit for supplying power to the E-TRU, an axle generator adapted to supply power to the energy storage unit and the E-TRU, and a charge management system. The charge management system monitors a State of Charge (SoC) of the energy storage unit. The charge management system accesses route information associated with the electric vehicle. Next, the charge management system predicts a power requirement of the electric vehicle and the E-TRU based on the accessed route information and controls the axle generator in an engaged mode or a disengaged mode based on the monitored SoC and the predicted power requirement of the electric vehicle and the E-TRU.
B60L 1/00 - Fourniture de l'énergie électrique à l'équipement auxiliaire des véhicules à traction électrique
B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
H02J 7/14 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries pour la charge de batteries par des générateurs dynamo-électriques entraînés à vitesse variable, p. ex. sur véhicule
Described herein is a modular de-superheater and water heater system. The system comprises a refrigerant-to-water (RW) heat exchanger comprising a first coil, and a second coil in thermal communication with each other. A first end of the first coil is connected to a first port of a heat pump and a second end of the first coil is connected to an inlet of an indoor fan coil unit. A first end of the second coil is connected to an outlet of a DHW tank and a second end of the second coil is connected to an inlet of the DHW tank. The system further comprises a solenoid valve connected between an outlet of the fan coil unit and a second port of the heat pump, and an electronic expansion valve connected between the second port of the heat pump and the second end of the first coil.
Described herein is an ejector and a refrigeration system. The ejector includes: a housing; a nozzle; a first retainer fixed in the nozzle; a needle valve that is provided in the nozzle and includes a first end, a second end, and a threaded section. The threaded section is engaged with the first retainer, and the first end being movable to adjust an opening degree of the nozzle outlet; and a first magnetic rotation mechanism including a first outer ring and a first inner ring. An inner surface of the first outer ring and an outer surface of the first inner ring is spaced from and opposed to each other and correspondingly provided with a plurality of groups of magnets having opposite magnetic properties respectively.
An air diffuser comprises a thermal barrier and diffuser cover defining a shape of the diffuser, the diffuser comprises an inlet, an outlet, and a flow path extending in an upward direction from the inlet and turning substantially by a 90° angle into a substantially horizontal direction towards the outlet. An internal flow area of the flow path increases from the inlet towards the outlet. One or more turning vanes are configured at the outlet such that at least a curved portion of the turning vanes extends at least partially into the flow path. One or more turning vanes have a varying shape, transitioning from the curved portion at center to a flat profile portion at lateral ends of the corresponding tuning vanes; and one or more guide vanes configured at the outlet of the diffuser cover.
Described herein is a system for capturing carbon dioxide (CO2) from an air stream. The system comprises a CO2 capturing media configured to allow the air stream to flow therethrough and correspondingly capture CO2 gas present in the air stream, and a liquefication unit configured to receive the captured CO2 gas from the CO2 capturing media and correspondingly compress and/or liquefy the received CO2 gas into liquid CO2, wherein heat generated during the compression and/or liquefication of the CO2 is supplied to the CO2 capturing media to regenerate the CO2 capturing media.
B01D 53/04 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par adsorption, p. ex. chromatographie préparatoire en phase gazeuse avec adsorbants fixes
B01D 53/14 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols par absorption
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Thermostats; thermostats and climate control devices consisting of digital thermostats for air conditioning, heating, ventilation, drying and air quality control; electronic controls for air conditioning, heating ventilation and refrigeration systems and related technology devices; electrical controllers for environmental control systems; environmental monitoring system for environmental control systems comprised of meters and sensors that measure pressure, humidity, temperature and includes alarm and reporting functions; electrical controllers for environmental building monitor and control systems and for use with systems that monitor and control transportable and stationary refrigeration systems; electrical controllers for environmental building automation and energy management systems; computer software for receiving, processing, transmitting and displaying data on environmental control interactive displays used with environmental control systems and related air conditioning, refrigeration and heating ventilation systems and devices; user interfaces for electrotechnical and electronic environmental control systems and related air conditioning, refrigeration and heating ventilation systems and devices; interactive electronic display interfaces all for environmental control systems and related air conditioning, refrigeration and heating ventilation systems and devices; computer software for receiving, processing, transmitting and displaying data on environmental control interactive displays used with environmental building automation and energy management systems; user interfaces for electrotechnical and electronic environmental building automation and energy management systems; interactive electronic display interfaces all for environmental building automation and energy management systems; structural parts for the aforementioned goods; Downloadable computer software for collecting, analyzing, and reporting data from residential and commercial building data sources; downloadable mobile application software for enabling touchless building entry and elevator access and reporting building wellness data of livable spaces; Apparatus, instruments, and cables for electricity, electronic controllers used to reduce power consumption, apparatus, and instruments for accumulating and storing electricity, electric accumulators, anode batteries, high tension batteries, batteries, electric batteries for vehicles, batteries for lighting, battery jars, battery boxes, battery chargers, chargers for electric batteries, galvanic cells, galvanic batteries, grids for batteries, plates for batteries, and solar batteries; Circuit breakers, control panels, commutators, comparators, electric converters, current rectifiers, inverters, lightning conductors, lightning arresters, electricity limiters, relays, step-up transformers, switch boxes, time switches, electric voltage transformers, and voltage surge protectors; Temperature controlling apparatus, in particular temperature indicators and thermostats; electronic apparatus for the remote control of signals; electrical couplings; apparatus for regulating and controlling electricity; data processing equipment; remote control apparatus; solar panels for the production of electricity; Electrical/electronic regulation and control equipment for heating and solar systems; Remote controls for heating and solar systems; Computer software, in particular software for the planning and calculation of heating systems and software for the operation of boilers and solar systems; Solar systems for power generation; Computer software for use to control remotely air-conditioning apparatus for buildings; network computers installed with computer software for use to control remotely air-conditioning apparatus for buildings and their parts and fittings. Heating apparatus; heating boilers; hot water boilers; burners; Air treatment ionization equipment; air purifying apparatus and machines, humidifying, dehumidifying, refrigerating, ventilating and air conditioning units, namely, furnaces and heat pumps; transport refrigeration units such as for trucks, trailers and shipping containers; residential and commercial ventilating fans; residential and commercial air conditioning units; structural component parts thereof; cooking apparatus and installations; water distribution installations; drying apparatus; air dryers; refrigerators; refrigerating appliances and installations; humidifiers; electric heating apparatus; heating installations; burners for liquid, gaseous or solid fuels and their metal, electric and pneumatic parts and accessories; kettles; heat exchangers (other than parts of machines); solar thermal collectors (heating); solar panels, panels for capturing solar energy; Boilers for oil, gas and solid fuels, in particular oil low-temperature boilers, gas condensing boilers, oil and gas wall-mounted boilers, gas low-temperature boilers, cast iron boilers; Heating circuit pumps; Oil and gas burners for boilers, especially oil and forced-air gas burners; Solar systems for heat generation, in particular solar collectors; Storage water heater; Electric water heater; Instantaneous water heaters; Heat pumps; Heat exchangers, other than parts of machines; Ventilation units (for air conditioning); Air cooling apparatus; Steam generators; Boilers, other than parts of non-electric prime movers and engines, namely, electric boilers, heating boilers and boilers for heating installations; air conditioners for industrial purposes; freezing apparatus for industrial purposes; air conditioners; air conditioners for household purposes; air conditioning apparatus. Maintenance services and subscription maintenance services for hvac equipment, refrigeration equipment, temperature-controlled cargo containers, temperature-controlled cargo vehicles, temperature-controlled cargo storage units and facilities; HVAC contractor services; Installation, maintenance and repair services for heating, cooling, ventilating, air conditioning and refrigeration equipment; Installation, repair, maintenance and servicing of heat pumps, energy recovery systems, condensing units; Installation of burners and boilers; installation of apparatus for heating; installation of apparatus for air-conditioning; installation of steam generating apparatus; installation of cooking apparatus; installation of refrigerating apparatus; installation of drying installations; installation of ventilating apparatus for water pipes; installation of sanitary installations; installation of solar panels and collectors; maintenance of burners and boilers; maintenance of heating apparatus; installation of air-conditioning apparatus; maintenance of steam generating apparatus; maintenance of cooking apparatus; maintenance of refrigerating apparatus; maintenance of drying installations; maintenance of ventilating apparatus for water pipes; maintenance of sanitary installations; maintenance of solar panels and collectors; reparation services for others of burners and boilers; reparation services for others of heating apparatus; reparation services for others of air-conditioning apparatus; reparation services for others of steam generating apparatus; reparation services for others of cooking apparatus; reparation services for others of refrigerating apparatus; reparation services for others of drying installations; reparation services for others of ventilating apparatus for water pipes; reparation services for others of sanitary installations; reparation services for others of solar panels and collectors. IT services; hosting services, software as a service, and rental of software; platform as a Service [PaaS]; online platform as a Service [PaaS]; providing temporary use of non-downloadable computer software for collecting, analyzing and reporting data from residential and commercial building data sources, namely, Building Management Systems and Building Automation System (BMS/BAS) which are computer-based control systems installed in buildings that control and monitor a building's mechanical and electrical equipment and third-party sensors for mechanical and electric equipment in a building, and used for controlling and adjusting the mechanical and electrical equipment in a building for the purpose of optimizing performance and meeting certain industry standards for efficiency and wellness of persons and building spaces; providing temporary use of non-downloadable mobile application software for enabling touchless building entry and elevator access and reporting building wellness data of livable spaces; maintenance of computer software, namely, maintenance of mobile application software; remote monitoring of HVAC equipment, refrigeration equipment, temperature-controlled cargo containers, temperature-controlled cargo vehicles, temperature-controlled cargo storage units and facilities, and remote access management equipment to ensure proper functioning; technical support services in the nature of diagnosing problems with HVAC equipment, refrigeration equipment; providing a website featuring technology enabling users to remotely view, monitor, program, operate and control HVAC equipment, refrigeration equipment, temperature-controlled cargo containers, temperature-controlled cargo vehicles, temperature-controlled cargo storage units and facilities; computer services namely remote management of HVAC equipment, refrigeration equipment, temperature-controlled cargo containers, temperature-controlled cargo vehicles, temperature-controlled cargo storage units and facilities.
100.
SYSTEM AND METHOD FOR MANAGING POWER SUPPLIED TO ATRANSPORTATION REFRIGERATION UNIT (TRU)
A system for managing power supplied to a Transportation Refrigeration Unit (TRU), includes a power supply system, at least one electric power converter, and control circuitry coupled to the power supply system and the TRU. The power supply system includes a battery unit and a fuel cell connected in parallel. The control circuitry is configured to receive information associated with an operational characteristic of a subcomponent of the TRU and predict an increase or a decrease in a load associated with the subcomponent of the TRU based on the received information. Consequently, the control circuitry broadcasts a control signal to the fuel cell at a predefined time duration before the predicted increase or decrease in the load such that the control signal regulates the power supply from the fuel cell to the subcomponent.
B60L 1/00 - Fourniture de l'énergie électrique à l'équipement auxiliaire des véhicules à traction électrique
B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
B60L 50/75 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de la puissance de propulsion fournie à la fois par des piles à combustible et des batteries
B60L 58/40 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la commande d'une combinaison de batteries et de piles à combustible
B60R 16/023 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour la transmission de signaux entre des parties ou des sous-systèmes du véhicule
