Abrégé

Disclosed is a solenoid actuator for hydraulic valves having a single piece core tube and method for manufacturing a single piece core tube for being used in a solenoid valve arrangement showing a basically cylindrical body, including of magnetic metal material, and defining a rotational axis. The single piece core tube is divided axially into a pole section, a transition section and a tube section including of a blind bore in the core tube. The medial end of the blind bore is formed by the transition section. In the tube section an armature is accommodated moveably in direction of the rotational axis. The outer diameter of the cylindrical body in the transition section is set back radially to form a magnetic flux deviation groove such that the metallic wall thickness in the transition section is smaller than in the tube section. According to the disclosure the magnetic flux deviation groove is filled by poured or molded plastic material up to the outer diameter of the cylindrical body. The blind bore in tube section is connected with a pin guiding bore to the pole section, wherein the two bores have different diameters. A plunger is arranged in the pin guiding bore in the pole section and is moveable via the armature. Further, a coil is surrounding the single piece core tube in the pole section, the transition section and the tube section.

Classes IPC  ?

• F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
• H01F 7/08 - Électro-aimantsActionneurs comportant des électro-aimants avec armatures
• H01F 7/127 - Assemblage
• H01F 41/02 - Appareils ou procédés spécialement adaptés à la fabrication ou à l'assemblage des aimants, des inductances ou des transformateursAppareils ou procédés spécialement adaptés à la fabrication des matériaux caractérisés par leurs propriétés magnétiques pour la fabrication de noyaux, bobines ou aimants

Abrégé

The invention is directed at a ball valve for a vapour compression refrigeration system, preferably for connecting to a compressor of a vapour compression refrigeration system. The valve comprises a housing (1) with an inlet port housing portion (11) and an outlet port housing portion (12), a ball valve element (2) provided between the inlet and outlet port housing portions, at least one main seal element (21, 21') for sealing the ball valve element, and a spindle (3) provided within a spindle housing portion (13). The invention is further directed at a compressor for a vapour compression refrigeration system with at least one ball valve.

Classes IPC  ?

• F16K 5/06 - Robinets à boisseau consistant seulement en un dispositif obturateur dont au moins une des faces d'obturation a la forme d'une surface de solide de révolution plus ou moins complète, le mouvement d'ouverture et de fermeture étant essentiellement rotatif dont les boisseaux sont à surface sphériqueLeurs garnitures d'étanchéité
• F16K 5/20 - Dispositions particulières pour tenir écartées les faces d'obturation ou pour les presser l'une contre l'autre dans le cas des boisseaux à surface sphérique
• F16K 5/22 - Caractéristiques relatives à la lubrification
• F16K 27/06 - Structures des logementsMatériaux utilisés à cet effet des robinets ou des vannes
• F25B 41/26 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit de soupapes d’inversion du flux de fluide
• F16K 41/04 - Joints d'étanchéité pour tiges avec un presse-étoupe avec une bague au moins, en caoutchouc ou d'un matériau analogue, entre la tige et son logement
• F16K 41/08 - Joints d'étanchéité pour tiges avec un presse-étoupe avec une bague au moins, présentant sur sa périphérie une lèvre de fermeture en saillie
• 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
• F16J 15/324 - Agencements pour graissage ou refroidissement du joint d’étanchéité lui-même

Abrégé

A refrigerant compressor may include an impeller. The refrigerant compressor may include a housing defining a flow path for refrigerant. The housing may define an outlet downstream of a volute. The refrigerant compressor may include a check valve within a linear section of the volute and within the housing. The check valve may be adjacent the outlet, and the check valve may be configured to permit refrigerant to exit the refrigerant compressor via the outlet, and to prevent refrigerant entering the compressor via the outlet from flowing past the check valve.

Classes IPC  ?

• F04D 17/10 - Pompes centrifuges pour la compression ou l'épuisement
• F04D 27/02 - Contrôle de l'emballement
• F04D 29/42 - Carters d'enveloppeTubulures pour le fluide énergétique pour pompes radiales ou hélicocentrifuges

Produits et services

Electronic controllers; electronic displays.

Abrégé

The present disclosure pertains to a connector module for fluidly connecting a fluid system to a function module. The connector module includes a housing with at least one fluid port and at least one connector fluidly connected to the fluid port. The connector includes an adaptor, a union nut, a union nut interface, a metal gasket and at least one O-ring, wherein the metal gasket is deformed by the union nut pressing via the adaptor against the union nut interface and the metal gasket fluidly seals the adaptor to the union nut interface. The disclosure is also directed at an assembly including a connector module with a function module, wherein the function module includes a solenoid valve with or without a servo mechanism, a stepper valve, a check valve, a sight glass, a filter dryer, a dryer, a temperature sensor, a pressure sensor, a preferably brazed plate heat exchanger and/or a service valve. The disclosure also pertains to a method for fluidly connecting a fluid system to a connector module.

Classes IPC  ?

• F16L 15/04 - Raccords avec filetageFormes des filetages pour ces raccords avec des joints d'étanchéité supplémentaires
• F16L 29/00 - Raccords comportant des moyens pour couper le courant de fluide

Abrégé

Analysis of hose assemblies using images. An application for a computing device can be configured to generate information about hoses and end fittings of hose assemblies, using different machine learning models to analyze images of the hose assembly component. A selection of a component type or type of information sought causes the image data to be fed corresponding one of the machine learning models. The machine learning models are configured to, for example, identify equivalent hose assembly parts and check acceptability of hose routings based on the image data provided.

Classes IPC  ?

• G06Q 10/087 - Gestion d’inventaires ou de stocks, p. ex. exécution des commandes, approvisionnement ou régularisation par rapport aux commandes
• G06Q 10/20 - Administration de la réparation ou de la maintenance des produits
• G06Q 30/0601 - Commerce électronique [e-commerce]
• G06F 40/295 - Reconnaissance de noms propres
• G06N 20/00 - Apprentissage automatique

Abrégé

The disclosure relates a tube or a hose (1, 13), including an elongated inner void that is enclosed by a mantle (4, 17) in a radial direction. At least one information carrier device (9, 10, 19) is provided, wherein the information that is stored on the information carrier device (9, 10, 19) can be read in a contactless way. The at least one information carrier device (9, 10, 19) is embedded inside the mantle (4, 17).

Classes IPC  ?

• F16L 11/12 - Manches, c.-à-d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles avec agencements pour usages particuliers, p. ex. spécialement profilés, avec couche protectrice, chauffés, conducteurs d'électricité
• F16L 9/12 - Tuyaux rigides en plastique avec ou sans armature
• F16L 11/08 - Manches, c.-à-d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles avec armature noyée dans la paroi

Produits et services

Heat exchangers

Produits et services

Synthetic Rubber hoses; Rubber hoses; Thermoplastic hoses; Industrial hoses; Flexible hoses.

Abrégé

The present inventions pertains to a method for recognizing a valve model of a valve connected to an actuator with a valve controller, the valve comprising a valve element for closing and opening a valve passage, wherein the valve element is in permanent contact with a non-translated spindle via threaded portions, wherein the spindle is provided for transmitting only rotational movement between the actuator and the valve element for generating a relative movement between the valve element and the spindle during the opening and closing of the valve, wherein the method recognizes the model of valve by the maximum allowable valve element stroke The invention also pertains to a valve arrangement comprising a valve and an actuator with a valve controller, the valve comprising a valve element for closing and opening a valve passage. The valve arrangement is provided for carrying out the previously described method.

Classes IPC  ?

• F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme
• F16K 31/04 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un moteur

Abrégé

The invention relates to a control system for a hydraulic system for moving a tool. The control system comprises a joystick and an electronic controller. The joystick includes a joystick handle configured to be manipulated by an operator for indicating desired movements of the tool. The joystick includes joystick sensors for sensing movements of the joystick handle. The joystick is configured to provide the control signals to the electronic controller based on the movements of the joystick handle. In order to facilitate precise control for the operator, the electronic controller and the joystick are operable to provide feedback to the joystick handle should there be an increase in hydraulic pressure sensed in the hydraulic system related to the tool. An assembly including the control system and a method are also disclosed.

Classes IPC  ?

• E02F 9/20 - EntraînementsDispositifs de commande
• E02F 3/30 - DraguesEngins de terrassement entraînés mécaniquement avec des outils excavateurs montés sur un bras plongeur ou à godets, p. ex. plongeurs, godets et bras plongeur pivotant sur une poutre en porte à faux
• E02F 3/42 - Entraînements pour plongeurs, auges, bras-plongeurs ou bras à godets
• E02F 9/22 - Entraînements hydrauliques ou pneumatiques
• G05G 9/047 - Mécanismes de commande manuelle équipés d'un seul organe de commande travaillant avec plusieurs organes commandés, p. ex. en sélection ou simultanément l'organe de commande étant manœuvré de différentes manières indépendantes, chacune de ces manœuvres individuelles entraînant un seul organe commandé dans lesquels la manœuvre de l'organe de commande peut être effectuée de plusieurs manières simultanément l'organe de commande étant manœuvré à la main autour d'axes orthogonaux, p. ex. manches à balai

Abrégé

The disclosure relates to a steering control system (3) for a hydraulic steering system (1) with a steering cylinder (2), wherein the steering control system (3) includes a steering input device (10) operable by an operator for inputting steering commands and a flow adjustment assembly (20) for controlling hydraulic fluid (HFS) supply to the steering cylinder (2) based on the steering commands. In order to provide more precise and comfortable steering, the steering control system (3) includes a torque sensor (13, 15) for sensing torque applied to the steering input device (10), wherein the steering control system (3) is configured to control the flow adjustment assembly (20) based on a torque sensor output (TSO) of the torque sensor (13, 15). The disclosure further relates to a hydraulic steering system (1).

Classes IPC  ?

• B62D 5/09 - Direction assistée ou à relais de puissance à fluide, c.-à-d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule caractérisée par les moyens d'actionnement des valves
• B62D 5/065 - Direction assistée ou à relais de puissance à fluide, c.-à-d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule caractérisée par des moyens spécialement adaptés pour faire varier selon les besoins l'alimentation en fluide sous pression, p. ex. à la demande, pour une assistance variable

Abrégé

This disclosure relates generally to refrigerant compressors, and more particularly to a resonator for a refrigerant compressor. The resonator is arranged adjacent, or downstream of, an outlet of the refrigerant compressor. The assemblies, systems, and methods disclosed herein have been found to attenuate noise.

Classes IPC  ?

• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
• F04D 17/10 - Pompes centrifuges pour la compression ou l'épuisement
• F25B 31/00 - Aménagements des compresseurs

Abrégé

The disclosure discloses a filter dryer component, including a filter element housing, an inlet valve, an outlet valve and a bypass section, wherein the filter element housing has a fluid inlet and a fluid outlet, one or more filter elements being able to detachably installed in the filter element housing, the bypass section has a bypass channel therein, and the bypass channel has an entry port and an exit port in communication with each other, the inlet valve and the outlet valve are both T-shaped three-way ball valves, each defining two opposite ports and one side port, the two opposite ports of the inlet valve are respectively connected to a fluid entry connector and the fluid inlet of the filter element housing, the side port of the inlet valve is connected to the entry port of the bypass channel, the two opposite ports of the outlet valve are respectively connected to a fluid exit connector and the fluid outlet of the filter element housing, and the side port of the outlet valve is connected to the exit port of the bypass channel. The filter dryer component has reduced volume and weight, and saves manufacturing cost. The disclosure also discloses a filter dryer.

Classes IPC  ?

• B01D 29/96 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants dans lesquels les éléments filtrants sont déplacés entre les opérations de filtrationDispositions particulières pour enlever ou remplacer les éléments filtrantsSystèmes de transport pour filtres
• B01D 17/02 - Séparation de liquides non miscibles
• B01D 29/90 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants comportant des dispositifs d'alimentation ou d'évacuation d'alimentation
• B01D 29/92 - Filtres à éléments filtrants stationnaires pendant la filtration, p. ex. filtres à aspiration ou à pression, non couverts par les groupes Leurs éléments filtrants comportant des dispositifs d'alimentation ou d'évacuation d'évacuation du filtrat
• B01D 35/30 - Structure du carter de filtre
• F25B 41/20 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit
• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur

Abrégé

The present invention provides a heat exchanger. The heat exchanger comprises: a plurality of heat exchange tubes, the plurality of heat exchange tubes being arranged in an array form; and a plurality of first fins and a plurality of second fins. One first fin is arranged between each pair of heat exchange tubes among at least some pairs of adjacent rows of at least two columns of heat exchange tubes, one second fin is arranged between each pair of heat exchange tubes among at least some pairs of adjacent rows of at least one of the remaining columns of heat exchange tubes, and among the at least some pairs of adjacent rows of the at least two columns of heat exchange tubes, some heat exchange tubes located in different columns share the same first fin. The plurality of heat exchange tubes are divided into odd-numbered rows of heat exchange tubes and even-numbered rows of heat exchange tubes. In at least one pair of adjacent heat exchange tubes, one of which is located in an odd-numbered row and the other in an even-numbered row, the orthographic projection, in the column direction, of at least one heat exchange tube in the odd-numbered row at least partially does not overlap with the orthographic projection, in the column direction, of the other heat exchange tube in the even-numbered row adjacent to the at least one heat exchange tube.

Classes IPC  ?

• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement
• F24F 13/22 - Moyens pour éviter la condensation ou pour évacuer le condensat

Abrégé

Provided in the present invention is a heat exchanger. The heat exchanger comprises at least two heat exchanger cores (3, 4) which are arranged side by side, wherein each heat exchanger core comprises at least two rows of heat exchange tubes, each of the at least two rows of heat exchange tubes comprising heat exchange tubes (31, 32). The heat exchanger further comprises a connecting section (5), wherein the at least two heat exchanger cores are connected and in fluid communication by means of the connecting section.

Classes IPC  ?

• F25B 39/00 - ÉvaporateursCondenseurs
• F28F 9/02 - Boîtes de distributionPlaques d'extrémité

Abrégé

A heat exchanger (100), comprising: a plurality of heat exchange tubes (10), which are arranged in an array; and a plurality of fins (20), wherein at least some adjacent rows of the heat exchange tubes (10) share the same fin (20) disposed therebetween. The plurality of heat exchange tubes (10) comprise odd-numbered rows of heat exchange tubes and even-numbered rows of heat exchange tubes. In at least one pair of adjacent odd-numbered row of heat exchange tubes and even-numbered row of heat exchange tubes, the orthographic projection, in the column direction, of at least one heat exchange tube (11, 13) in the odd-numbered row of heat exchange tubes at least partially non-overlap with the orthographic projection, in the column direction, of the heat exchange tube (12, 14) in the even-numbered row of heat exchange tubes adjacent to the at least one heat exchange tube.

Classes IPC  ?

• 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
• F25B 39/00 - ÉvaporateursCondenseurs
• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement

Abrégé

A heat exchanger (1000, 2000), comprising: a plurality of heat exchange tube rows arranged in a first direction, wherein each heat exchange tube row comprises one heat exchange tube (100, 200, 300, 400, 500, 600) or a plurality of heat exchange tubes (100, 200, 300, 400, 500, 600) arranged in a second direction at an angle to the first direction, and at least part of the heat exchange tube rows extends in a third direction perpendicular to the first direction and the second direction; at least one pair of adjacent heat exchange tube rows of the at least one heat exchange tube row comprises a high-efficiency heat exchange portion (110, 210, 310, 410, 510, 610) allowing at least a majority of fluid in a pair of adjacent heat exchange tubes (100, 200, 300, 400, 500, 600) to flow therethrough, and a low-efficiency heat exchange portion (120, 220, 320, 420, 520, 620) connected between two adjacent high-efficiency heat exchange portions (110, 210, 310, 410, 510, 610) in the second direction and allowing the remainder of the fluid in the pair of adjacent heat exchange tubes (100, 200, 300, 400, 500, 600) to flow therethrough or allowing no fluid in the heat exchange tubes to flow therethrough; the high-efficiency heat exchange portion (110, 210, 310, 410, 510, 610) of the heat exchange tubes (100, 200, 300, 400, 500, 600) of one of the at least one pair of adjacent heat exchange tube rows is at least partially aligned in the first direction with the low-efficiency heat exchange portion (120, 220, 320, 420, 520, 620) of the heat exchange tubes (100, 200, 300, 400, 500, 600) of the other one of the at least one pair of adjacent heat exchange tube rows.

Classes IPC  ?

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

Abrégé

The invention relates to a controller (80) for a pump (42) with a variable pump capacity (PPC) in a pump unit (41). It has a sensor interface (81) for receiving internal signals (ITS) and a communication interface (82) for receiving the external signals (EXS) from a first fluid circuit (10) with further pump units (41a, 41b). It obtains an individual pressure increase (IPI) over the pump (42) with the internal signals (ITS). In a normal-mode operation, it controls the pump capacity (PPC) based on the external signals (EXS). It determines if the external signals (EXS) are received no longer and/or receives a failure-indication signal from the first fluid circuit (10), and then automatically switches to a failure-mode operation. It stores reference information (RFI) based at least on a part of the external signals (EXS) in the normal-mode operation in a memory (83) and controls, in the failure-mode operation, the pump capacity (PCC) based at least on the individual pressure increase (IPI) and the reference information (RFI); and/or it controls, in the failure-mode operation, the pump capacity (PPC) based at least on the individual pressure increase (IPI), on the pump capacity (PCC), and a failure-mode specific adaptation of a deadband (DB) for controlling the pump capacity (PCC). The invention also relates to a cooling distribution unit (30) with the controller (80), a data center cooling system (1) with the latter, and a method for controlling a pump (42).

Classes IPC  ?

• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

The invention relates to an integrated thermal expansion valve arrangement (1) that compises a housing (2), a throttling valve (9) with a throttling valve inlet port (5) and a throttling valve outlet port (7), a fluid throughput conduit (20) with a fluid throughput conduit inlet port (28) and a fluid throughput conduit outlet port (29). The integrated thermal expansion valve arrangement (1) further comprises a thermostatic actuator (16) that is thermally coupled to the fluid throughput conduit (20), wherein the thermostatic actuator (16) actuates the throttling valve (9) by means of a shaft member (12). The throttling valve (9) is arranged within the housing (2). The fluid throughput conduit (20) comprises at least two parallelly arranged fluid throughput sections (38a, 38b, 39) in the vicinity of the shaft member (12).

Classes IPC  ?

• F25B 41/335 - Soupapes de détente l’organe de soupape étant actionné par la pression du fluide, p. ex. par la pression du réfrigérant à travers des diaphragmes

Abrégé

The present disclosure relates to a solenoid valve conforming to the standard of the port specification code number 03 according to ISO 4401:2005. The wire of the winding (110) with the insulating layer has a diameter of 0.380 mm to 0.400 mm, and the first magnetically permeable section (121) has a thickness of 2.20 mm to 3.00 mm in the radial direction. The present disclosure further relates to a corresponding solenoid valve which conforms to the standard of the port specification code number 05 according to ISO 4401:2005. Compared with the existing solenoid valves of the same specification, the solenoid valves according to the present disclosure have the same or even improved working performance, and at the same time, the amount of conductive material used for manufacturing the wire of the winding is reduced.

Classes IPC  ?

• F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
• H01F 7/06 - Électro-aimantsActionneurs comportant des électro-aimants

Abrégé

The invention relates to a method for determining a flow rate (FLR) of a fluid flow (FLF) through a flow path (FPH). In order to provide a cost-efficient and reliable estimation of the flow rate without a flow meter, the method comprises guiding the fluid flow (FLF) through a reference section (41) in the flow path (FPH), determining a pressure drop (PRD) of the fluid flow (FLF) over the reference section (41), determining the flow rate (FLR) of the fluid flow (FLF) based on the determined pressure drop (PRD) and correlation information (CRI) for the reference section (41), wherein the correlation information (CRI) relates to at least one correlation (CRR) between the flow rate (FLR) through the reference section (41) and the pressure drop (PRD) of the fluid flow (FLF) over the reference section (41). The correlation information (CRI) covers correlations (CRR) for different fluid compositions, temperatures (T1, T2), and/or viscosities of the fluid flow (FLF). The invention further relates to an evaluation module (50) for determining the flow rate (FLR), to a measurement system (40) for determining the flow rate (FLR), and to a cooling distribution system (40) with the measurement system (40).

Classes IPC  ?

• G01F 1/34 - Mesure du débit volumétrique ou du débit massique d'un fluide ou d'un matériau solide fluent, dans laquelle le fluide passe à travers un compteur par un écoulement continu en utilisant des effets mécaniques en mesurant la pression ou la différence de pression
• G06F 1/20 - Moyens de refroidissement
• H05K 7/20 - Modifications en vue de faciliter la réfrigération, l'aération ou le chauffage

Abrégé

A heat exchanger and a heat exchanger manufacturing method. The provided heat exchanger comprises a plurality of heat exchanger flat tubes (3) arranged in a first direction; each heat exchanger flat tube (3) among at least some of the heat exchanger flat tubes (3) comprises a plurality of heat exchange areas (31) and bending areas (32) connecting two adjacent heat exchange areas (31); each bending area (32) is formed by bending in the width direction of the corresponding heat exchanger flat tube (3); the width direction of each heat exchanger flat tube (3) is perpendicular to the first direction; the width of each bending area (32) is L1; the width of each heat exchange area (31) is L2; and L1 is greater than 2×L2. The solution can effectively mitigate the problem in the prior art that the heat exchange performance of a heat exchanger is affected because the bending areas (32) of the heat exchanger flat tubes (3) tend to accumulate dust and other impurities, thereby forming corrosive micro-environments that cause corrosion of the heat exchanger flat tubes (3).

Classes IPC  ?

• F28D 7/06 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations ayant une courbure en U unique

Abrégé

A heat exchanger and a processing method therefor. The heat exchanger comprises: heat exchange flat tubes (1), each having a first tube section (11), a second tube section (12), and a bent tube section (13). The bent tube section (13) is connected between the first tube section (11) and the second tube section (12), and the first tube section (11) and the second tube section (12) are arranged side by side in a first direction; a plurality of heat exchange flat tubes (1) are provided and arranged in a second direction, the second direction being consistent with or having an included acute angle with the thickness direction of at least some of the heat exchange flat tubes (1); in at least some pairs of adjacent heat exchange flat tubes (1), two adjacent bent tube sections (13) respectively protrude in the thickness direction of the heat exchange flat tubes (1) relative to corresponding first tube sections (11) and second tube sections (12) that are communicated with the two adjacent bent tube sections (13); and the projections of the two adjacent bent tube sections (13) on a plane defined by the first direction and the second direction do not overlap. In this way, the accumulation of pollutants caused by the overlapping of flat tubes in existing designs can be avoided, and the corrosion-resistant lifespan of a product can be effectively prolonged.

Classes IPC  ?

• F28D 7/06 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations ayant une courbure en U unique

Abrégé

optin,wout,refmmoptopt.

Classes IPC  ?

• F25B 9/00 - Machines, installations ou systèmes à compression dans lesquels le fluide frigorigène est l'air ou un autre gaz à point d'ébullition peu élevé
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

The invention relates to a Gerotor-type fluid pump or Gerotor-type fluid motor (100) with a port plate segment (108). The port plate segment (108) includes an inner recess (220) for a valve drive shaft (172) that is orbiting and rotating within the port plate segment (108). The port plate segment (108) further includes a plurality of circumferentially arranged fluid throughput ports (136) for selectively fluidly connecting a valve spool segment (110) and a Gerotor-type fluid displacement segment (106) of the Gerotor-type fluid pump/Gerotor-type fluid motor (100). The inner recess (224) includes at least two axially aligned segments (221, 222) with different diameters that are designed in an undetachable way.

Classes IPC  ?

• F04C 2/10 - 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 du type à axe interne, l'organe externe ayant plus de dents ou de parties équivalentes de prise, p. ex. de rouleaux, que l'organe interne
• F04C 15/00 - Parties constitutives, détails ou accessoires des "machines", des pompes ou installations de pompage non couverts par les groupes

Abrégé

Control of an injection stream of a refrigerant for supplementary injection of the refrigerant into a compressor stage in a refrigerant circuit The invention relates to a controller (30) for controlling an opening degree of an injection expansion valve (22) for adjusting an injection stream (IJS) for supplementary injection of a refrigerant into a compressor stage (2). The controller (30) has a control output (37) outputting control signals (ODV; CLS) for adjusting said opening degree, a discharge controller module (50) that determines a first opening degree proposal (ODP1) for a new opening degree value (ODV) of the injection expansion valve (22) based on a discharge temperature (Td) of the refrigerant flowing out of the compressor stage (2), and superheat controller module (60) that determines, in parallel, a second opening degree proposal (ODP2) based on a superheat value of the injection stream (IJS). It further has a selector module (70) determining the larger one of said opening degree proposals (ODP1, ODP2) as the new opening degree value (ODV) and uses the latter for the next control signal (ODV; CLS). Further, it feeds back the new opening degree value (ODV) to both controller modules (50, 60). The invention also relates to a refrigerant cir- cuit (1; 100) and a method for controlling such an injection stream (IJS).

Classes IPC  ?

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

Abrégé

A four-way valve for a heat-pump arrangement includes a housing with four fluid connection ports, a rotatable valve element for switching the connections between the fluid connection ports, an actuator for rotating the valve element and sensor components on a low pressure side and a high pressure side of the valve for measuring properties of the fluid inside the housing. The disclosure is also directed at a heat-pump arrangement including a corresponding four-way valve and a housing for a four-way valve.

Classes IPC  ?

• F25B 30/00 - Pompes à chaleur
• F16K 11/072 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des tiroirs à éléments de fermeture articulés à pivot
• F16K 27/04 - Structures des logementsMatériaux utilisés à cet effet des tiroirs
• F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme
• F25B 41/26 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit de soupapes d’inversion du flux de fluide

Abrégé

The present invention pertains to a fluid regulator valve comprising a housing with an inlet port and an outlet port for connecting the valve to a fluid system via at least one inlet conduit and at least one outlet conduit. The valve further comprises a regulating mechanism for opening and closing a valve opening between the inlet port and the outlet port, wherein the regulating mechanism comprises a diaphragm provided in a diaphragm chamber, a valve rod and a control element, and wherein at least one spring is provided for acting on the valve rod and/or the control element, wherein the first spring is provided within the inlet port. According to the invention, the first spring abuts a cage and the control element via opposing ends of the first spring. The invention is also directed at a cage for a fluid regulator valve.

Classes IPC  ?

• G05D 16/06 - Commande de la pression d'un fluide sans source d'énergie auxiliaire l'élément sensible étant un organe élastique cédant à la pression, p. ex. un diaphragme, un soufflet, une capsule

Abrégé

The sub-assembly (27) comprises a middle shell (4) having a central longitudinal axis (A); a stator assembly (28) located inside the middle shell (4); a power connector (29) attached to the middle shell (4) and configured to be electrically connected to an external power source; and an intermediate electric wire (31) attached to an inner surface of the middle shell (4) and comprising an upper end portion and a lower end portion which are axially offset from each other, the power connector (29) being releasably connected with a lower end winding (22) of the stator assembly (28) through the intermediate electric wire (31).

Classes IPC  ?

• 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
• F04C 23/00 - Combinaisons de plusieurs pompes, chacune étant du type à piston rotatif ou oscillant spécialement adaptées pour les fluides compressiblesInstallations de pompage spécialement adaptées pour les fluides compressiblesPompes multiétagées spécialement adaptées pour les fluides compressibles
• F04B 35/04 - Pompes à piston spécialement adaptées aux fluides compressibles et caractérisées par les moyens d'entraînement de leurs organes de travail ou par leur combinaison avec les machines motrices ou moteurs qui les entraînent ou bien par leurs adaptations à cet effet, non prévues ailleurs les moyens étant électriques

Abrégé

The invention relates to a fluid regulator valve comprising an inlet port and an outlet port for connecting the valve to a fluid system, a regulating mechanism for opening and closing a valve opening within an inner valve chamber between the inlet port and the outlet port, wherein the regulating mechanism comprises a diaphragm provided in a diaphragm chamber, a valve rod and a control element. According to the invention, a pressure balancing conduit with two conduit portions is provided between the diaphragm chamber and an outlet port surface of the outlet port, wherein the pressure balancing conduit comprises a chamber opening and a port opening, the two openings opening into the diaphragm chamber and the outlet port, respectively. The invention also relates to a refrigeration system with a fluid regulator valve.

Classes IPC  ?

• G05D 16/06 - Commande de la pression d'un fluide sans source d'énergie auxiliaire l'élément sensible étant un organe élastique cédant à la pression, p. ex. un diaphragme, un soufflet, une capsule

Abrégé

The disclosure relates to network interface (1; 100) including a first network connector (3), a second network connector (4), and a connector-to-connector bypass unit (20). The bypass unit (20) includes a monostable switching unit (30) for enabling a bypass connection between the first network connector (3) and the second network connector (4) in a stable state and for disabling the bypass connection in a non-stable state. In order to exhibit a high flexibility in use, the bypass unit (20) further includes a bistable switching unit (40), wherein the bistable switching unit (40) breaks, in a breaking state, the bypass connection. The disclosure further relates to an automation controller module (200) with such a network interface (1; 100).

Classes IPC  ?

• H04L 12/40 - Réseaux à ligne bus

Abrégé

The disclosure relates to a system for electrically connecting two controller system modules (1) that are mounted side by side on a rail for holding controller system modules. The objective of the disclosure is to provide a system for connecting controller system modules (1) that is cost-effective, space-saving, and allows easy installation. This objective is solved by a system including a connector (3) including a connector housing, which is connectable to mounting portions (8,12) of the two controller system modules (1), thereby connecting the controller system modules electrically and mechanically.

Classes IPC  ?

• H05K 7/14 - Montage de la structure de support dans l'enveloppe, sur cadre ou sur bâti
• H01R 13/04 - Broches ou lames destinées à coopérer avec des alvéoles
• H01R 13/627 - Fixation du type à action brusque
• H01R 13/64 - Moyens pour empêcher, bloquer ou éviter le couplage incorrect
• H01R 24/68 - Dispositifs de couplage en deux pièces, ou l'une des pièces qui coopèrent dans ces dispositifs, caractérisés par leur structure générale avec des broches, des lames ou des contacts analogues, assujettis à l'appareil ou à la structure, p. ex. à une paroi montés sur un appareil directement enfichable

Abrégé

The present invention relates to thrust pad (1) for a port plate (200) configured to be used with a pressure exchanger, e.g. for a sea water reverse osmosis plant. The pressure exchanger includes a rotatable drum (1001), the port plate (200) with at least a first port orifice (201), and a port flange with at least a first fluid passage. The thrust pad (1) is provided to improve a sealing concept of pressure exchangers. It includes a plate-side surface (9), a flange-side surface (11), and a lateral surface (12). A curved shape of the thrust pad (1) is configured to be arranged at least partially between the port plate (200) and the port flange. The thrust pad (1) extends in a thickness direction (Z) less than in a first direction (X) and a second direction (Y), wherein directions (X, Y, Z) are perpendicular. The thrust pad (1) includes a through hole (2) that is configured to fluidically connect the first port orifice (201) of the port plate (200) to the first fluid passage of the port flange. The present invention also relates to a port plate arrangement (250), an assembly of a port plate arrangement (250) and a port flange and to a pressure exchanger.

Classes IPC  ?

• B01D 61/06 - Récupération d'énergie
• C02F 1/44 - Traitement de l'eau, des eaux résiduaires ou des eaux d'égout par dialyse, osmose ou osmose inverse
• C02F 103/08 - Eau de mer, p. ex. pour le dessalement

Abrégé

Method for controlling a refrigeration circuit system based on isentropic temperature deviation, controller for a refrigeration circuit system and refrigeration circuit system The present invention relates to a method for controlling a refrigeration circuit system (1) including a compressor stage (2), an inlet sensor arrangement (3), and an outlet sensor arrangement (4). It includes determining, based on the inlet pressure (Pin) of the refrigerant flowing into a compression inlet (2in), a saturated vapor inlet condition (DWin), determining an isentropic outlet temperature (ToutIC) for the refrigerant flowing out of a compression outlet (2out), assuming an isentropic compression (ICC), determining an isentropic temperature deviation (Td) which is a difference of the outlet temperature (Tout) from the isentropic outlet temperature (ToutIC), and using the isentropic temperature deviation (Td) for controlling an inlet superheat (SHin) and/or an outlet superheat. In order to allow controlling the refrigeration circuit system (1) for particularly efficient and still reliable operation, the method comprises using a change in a slope of a relationship of the isentropic temperature deviation (Td) to the inlet superheat (SHin) for controlling the inlet superheat (SHin) and/or the outlet superheat. The invention further relates to a controller (20) for a refrigeration circuit system (1) and to a refrigeration circuit system (1).

Classes IPC  ?

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

Abrégé

The invention relates to sliding unit (5) for a piston slipper arrangement (2), wherein the piston slipper arrangement (2) comprises a piston slipper body (3) and is configured to be provided in an axial piston machine, wherein the sliding unit (5) comprises a ceramic sliding element (7) and a compression ring (6), wherein the compression ring (6) compresses the ceramic sliding element (7). The objective of the present invention is to provide an easy assembly of a piston slipper arrangement (2). This objective is solved by the compression ring (6) comprising first engagement means (8) configured for engaging with corresponding second engagement means (9) of the piston slipper body (3) in order to limit rotation of the compression ring (6) relative to the piston slipper body (3). The invention further relates to a piston slipper arrangement and to an axial piston machine.

Classes IPC  ?

• F04B 1/126 - Moyens de retenue du patin de piston
• F03C 1/28 - Pistons spécialement adaptés à ces machines motrices
• F04B 1/0408 - Pistons
• F04B 1/124 - Pistons
• F04B 53/14 - Pistons, tiges de piston ou liaisons piston-tige

Abrégé

The present invention relates to a compression ring (6) for a piston slipper arrangement (2), wherein the piston slipper arrangement (2) comprises a piston slipper body (3) and a ceramic sliding element (7) and is configured to be provided in an axial piston machine, wherein the compression ring (6) is configured to compress the ceramic sliding element (7). The objective of the present invention is to provide a compression ring (6) which allows an easy assembly of a piston slipper arrangement (2). This objective is solved by a compression ring (6) that comprises first engagement means (8) configured for engaging with corresponding second engagement means (9) of the piston slipper body (3) in order to limit rotation of the compression ring (6) relative to the piston slipper body (3). The invention further relates to a piston slipper arrangement and to an axial piston machine.

Classes IPC  ?

• F04B 1/124 - Pistons
• F03C 1/28 - Pistons spécialement adaptés à ces machines motrices

Abrégé

A rotor (101) for a permanent magnet machine comprises a shaft portion (102), a core portion (103) surrounding the shaft portion, permanent magnets (104, 105) on an outer surface of the core portion, and pole elements (106) on top of the permanent magnets so that the permanent magnets are between the core portion and the pole elements The rotor comprises tension elements (107) having first edges shape locked to axially directed grooves of the core portion and second edges shape locked to axially directed grooves of the pole elements. Each tension element has tensile stress between its first and second edges, and thus the tension elements pull the pole elements against the permanent magnets. Each tension element can be for example an axially directed I-profile bar, and thus the tension element can be mechanically stronger than a row of bolts having a corresponding room usage in the circumferential direction.

Classes IPC  ?

• H02K 1/276 - Aimants encastrés dans le noyau magnétique, p. ex. aimants permanents internes [IPM]
• H02K 15/035 - Procédés ou appareils spécialement adaptés à la fabrication, l'assemblage, l'entretien ou la réparation des machines dynamo-électriques des corps statoriques ou rotoriques comportant des aimants permanents sur le rotor

Abrégé

The present disclosure provides a connection assembly and a compressor, wherein the connection assembly is used for connecting a compressor shell and an oil level sensor. The connection assembly comprises: a liquid sight glass adapter fixed on the compressor shell; a connector and a locking fastener, wherein a first end of the connector is detachably connected to the liquid sight glass adapter, a second end of the connector is detachably connected to the locking fastener, and the connector and the locking fastener respectively abut against two opposite axial sides of an annular boss disposed around an outer periphery of the oil level sensor, wherein, the liquid sight glass adapter, the connector and the locking fastener are configured to allow the oil level sensor to pass therethrough. In this way, the connection assembly has advantages of simple assembly and disassembly, time and labor saving, and easy replacement.

Classes IPC  ?

• F04B 39/02 - Lubrification
• F04B 39/12 - Carcasses d'enveloppeCylindresCulassesConnexions des tubulures pour fluide

Abrégé

Disclosed is an air conditioning system. The air conditioning system includes an air conditioning subsystem, a phase change heat exchange subsystem, and a cross-system heat exchanger. The phase change heat exchange subsystem includes a phase change material container, a phase change material accommodated in the phase change material container, and a heat exchange circuit provided in the phase change material container. Disclosed is an air conditioning system. The air conditioning system includes an air conditioning subsystem, a phase change heat exchange subsystem, and a cross-system heat exchanger. The phase change heat exchange subsystem includes a phase change material container, a phase change material accommodated in the phase change material container, and a heat exchange circuit provided in the phase change material container. The cross-system heat exchanger includes: a first circuit being connected to the air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first circuit, and a second circuit being connected to the heat exchange circuit of the phase change heat exchange subsystem so that a heat exchange medium in a circuit composed of the second circuit and the heat exchange circuit of the phase change heat exchange subsystem can selectively exchange heat with the phase change material accommodated in the phase change material container. Disclosed is an air conditioning system. The air conditioning system includes an air conditioning subsystem, a phase change heat exchange subsystem, and a cross-system heat exchanger. The phase change heat exchange subsystem includes a phase change material container, a phase change material accommodated in the phase change material container, and a heat exchange circuit provided in the phase change material container. The cross-system heat exchanger includes: a first circuit being connected to the air conditioning subsystem so that a heat exchange medium of the air conditioning subsystem can selectively flow through the first circuit, and a second circuit being connected to the heat exchange circuit of the phase change heat exchange subsystem so that a heat exchange medium in a circuit composed of the second circuit and the heat exchange circuit of the phase change heat exchange subsystem can selectively exchange heat with the phase change material accommodated in the phase change material container. According to the present disclosure, the heat exchange efficiency of the air conditioning system is improved, and thus saving energy.

Classes IPC  ?

• F24F 1/0325 - 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 échangeurs de chaleur par la forme des échangeurs de chaleur ou de leurs parties constitutives, p. ex. par la forme de leurs ailettes

Abrégé

The present invention relates to a method for assembling of a hermetically sealed connection interface of a refrigerant circuit. The method comprises the following steps: Providing a refrigerant device housing (100) made of a metallic, ductile, plastically deformable first material with a first interior (102) and an integrally formed first seal- forming portion (101A, 101B); Providing a connector element (200; 300) made of a metallic second material with a second interior (202; 302) and an integrally formed second seal-forming portion (201; 301); Providing a sealing element (204; 304); Bringing the refrigerant device housing and the connector element together and the seal- forming portions into direct abutment, wherein the sealing element is arranged between the refrigerant device housing and the connector element outside the seal-forming portions; Relatively, axially moving the refrigerant device housing and the connector element further towards each other, thereby plastically deforming the first seal- forming portion and forming a hermetic fluid seal. The connector element is secured to the refrigerant device housing under use of first securing means (103A, 103B) and second securing means (203; 303). The second material is harder than the first material.

Classes IPC  ?

• F16L 15/00 - Raccords avec filetageFormes des filetages pour ces raccords
• F16L 19/02 - Extrémités de tuyaux pourvues de colliers ou de brides formant corps ou non avec les tuyaux, maintenues en contact par un organe vissé
• F16L 19/07 - Raccords dans lesquels les surfaces d'étanchéité sont maintenues en contact par un organe, p. ex. un écrou à oreilles vissé dans, ou vissé sur une des parties du raccord dans lesquels le serrage radial est obtenu par une action de coincement entre les extrémités non déformées du tuyau conçus pour les raccordements à douille ou à manchon

Abrégé

A gas detection sensor arrangement includes an enclosure having a top portion, a bottom portion, an electrical connector, and a circuit board and a gas sensor disposed within the enclosure. The gas sensor is configured to detect gas in an environment external to the enclosure. The bottom portion, the top portion and the electrical connector are joined together to seal the circuit board within the enclosure. A method for assembling the gas detection sensor arrangement includes joining the bottom portion and the top portion together, biasing the gas sensor toward a gas sensor opening formed in the enclosure, and sealing the circuit board within the enclosure.

Classes IPC  ?

• G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes

Abrégé

A method for assembling a gas detection sensor arrangement includes providing first and second portions of an enclosure, and arranging a circuit board on one or more resting surfaces of the first portion. The method further includes forcing the circuit board towards the resting surface(s) such that any gaps between the circuit board and the resting surface(s) are eliminated. The forcing of the circuit board towards the resting surface(s) occurs before and/or during soldering of pins or terminals to the circuit board and advantageously reduces or prevents gaps from existing between the circuit board and the resting surface(s) of the enclosure that could cause damage when a pressure is applied, for example, during an ultra-sonic welding process of the first and second portions. The gas detection sensor arrangement may include a sealing member, or o-ring, that is relatively soft, for example, equal to or less than 80 Shore A.

Classes IPC  ?

• G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes
• 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

Abrégé

The invention relates to an axial flow control valve (1) comprising a housing (2) with a fluid inlet (3), a fluid outlet (4), and a main fluid passage that extends from the fluid inlet (3) to the fluid outlet (4) at least substantially along a main axis (MA). It further comprises a main valve for opening and closing the main fluid passage, wherein the main valve includes a main valve seat (23) arranged in the main fluid passage and a main valve element (50) that is movable with respect to the main valve seat (23), a pilot valve (70) for inducing opening and closing of the main valve, and a discharge passage (91, 92, 93) extending from the pilot valve (70) to the main fluid passage, wherein a discharge outlet (93) of the discharge passage (91, 92, 93) opens into to the main fluid passage downstream of the main valve seat (23). For increased efficiency, the discharge outlet (93) is annular or intermittently annular about the main axis (MA).

Classes IPC  ?

• F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
• F16K 31/40 - Moyens de fonctionnementDispositifs de retour à la position de repos actionnés par un fluide et dans lesquels il y a alimentation constante du moteur à fluide par le fluide provenant de la canalisation avec un organe actionné électriquement dans la décharge du moteur

Abrégé

The invention relates to a flow control valve comprising a valve body (20), a valve seat (25), and a valve element. A central portion (50) of the valve element is at least axially fixed with respect to a sliding portion (31) of the valve element and has a sealing section (51) for abutting the valve seat (25) in a closed state of the flow control valve. The valve body comprises a guiding chamber (21) for guiding the sliding portion (31) allowing movement of the valve element with respect to the valve seat. A circumventing flow passage (26, 46) allows a main fluid flow to pass alongside the central portion (50) in a main flow direction (MFD) to the valve seat (25). In order to improve the efficiency and reliability, the flow control valve includes a flow guide skirt (41) which is, in a lateral direction (LD), interposed between the central portion and the valve body and which is configured to shield a laterally outer space (23, 24) between the flow guide skirt and the valve body from a main fluid flow space (46) between the flow guide skirt and the central portion.

Classes IPC  ?

• F16K 1/12 - Soupapes ou clapets, c.-à-d. dispositifs obturateurs dont l'élément de fermeture possède au moins une composante du mouvement d'ouverture ou de fermeture perpendiculaire à la surface d'obturation à corps de soupape profilé autour duquel le fluide s'écoule quand la soupape est ouverte
• F16K 31/40 - Moyens de fonctionnementDispositifs de retour à la position de repos actionnés par un fluide et dans lesquels il y a alimentation constante du moteur à fluide par le fluide provenant de la canalisation avec un organe actionné électriquement dans la décharge du moteur

Abrégé

The present disclosure relates to a hydraulic steering unit (1) including a supply port arrangement configured to supply hydraulic working pressure (PCF) via a working flow path arrangement to a steering mechanic (2). The working flow path arrangement includes at least a first working flow path (8) with a first port (R) configured to be fluidically connected to the steering mechanic (2) and a second working flow path (9) with a second port (L) configured to be fluidically connected to the steering mechanic (2). Further, a measuring motor (13) is arranged in one of the working flow paths (8, 9) of the working flow path arrangement. Furthermore, the working flow path arrangement is configured to supply a hydraulic auxiliary pressure provided by the measuring motor (13) via each of the ports (R, L), when the hydraulic working pressure (PCF) is below a predetermined threshold value. In order to provide an improved hydraulic steering unit, an auxiliary flow path (11) between the first working flow path (8) and the second working flow path (9) is generated, when the hydraulic working pressure (PCF) is below the predetermined threshold value.

Classes IPC  ?

• B62D 5/30 - Dispositifs de sécurité, p. ex. source de puissance ou moyens de transmission auxiliaires pour assurer la direction en cas de défaillance des moyens de direction primaires
• B62D 5/065 - Direction assistée ou à relais de puissance à fluide, c.-à-d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule caractérisée par des moyens spécialement adaptés pour faire varier selon les besoins l'alimentation en fluide sous pression, p. ex. à la demande, pour une assistance variable
• B62D 15/02 - Indicateurs de direction ou aides de direction

Abrégé

A method for detecting performance degradation of a vapour compression system (1) is disclosed. A performance baseline is provided, the performance baseline specifying corresponding values of mean duration of OFF periods of the compressor (2) and mean running compressor capacity. While operating the vapour compression system (1), durations of OFF periods of the compressor (2) and running compressor capacity (18) are measured. The measured durations of OFF periods of the compressor (2) and running compressor capacity (18) are compared to the performance baseline, and it is determined whether or not performance degradation of the vapour compression system (1) is occurring, based on the comparison.

Classes IPC  ?

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

Abrégé

The invention relates to a component assembly (19) that comprises a first part (3) and a second part (6, 13, 14, 15, 16). The second part (6, 13, 14, 15, 16) encompasses the first part (3). The first part (3) and the second part (6, 13, 14, 15, 16) are connected to each other by a friction-type connection. The second part (6, 13, 14, 15, 16) comprises at least one recess (7) neighbouring the contact surface of the first part (3) and the second part (6, 13, 14, 15, 16).

Classes IPC  ?

• F16D 1/10 - Accouplements à action rapide dans lesquels les pièces sont simplement présentées dans l'axe
• F16D 1/104 - Accouplements à action rapide dans lesquels les pièces sont simplement présentées dans l'axe dont les moyens de retenue tournent avec l'accouplement et agissent uniquement par friction
• F16D 1/064 - Accouplements pour établir une liaison rigide entre deux arbres coaxiaux ou d'autres éléments mobiles d'une machine pour montage d'un organe sur un arbre ou à l'extrémité d'un arbre non démontables
• F16D 1/072 - Accouplements pour établir une liaison rigide entre deux arbres coaxiaux ou d'autres éléments mobiles d'une machine pour montage d'un organe sur un arbre ou à l'extrémité d'un arbre non démontables faisant intervenir une déformation plastique

Abrégé

The invention relates to a valve arrangement (1) with a four-way reversing fluid valve (3), a fluid flux influencing valve (2) and an actuating rod (4, 5) for actuating the four-way reversing fluid valve (3) and the fluid flux influencing 10 valve. The four-way reversing fluid valve (3) is actuated by the actuating rod (4, 5) with a first free-wheeling range by means of a partial free-wheeling dear member (24).

Classes IPC  ?

• F25B 13/00 - Machines, installations ou systèmes à compression, à cycle réversible
• F25B 41/26 - Disposition des soupapes, p. ex. de soupapes marche-arrêt ou de soupapes de régulation de débit de soupapes d’inversion du flux de fluide
• F25B 41/38 - Moyens de détenteLeurs dispositions spécialement adaptés aux cycles réversibles, p. ex. étrangleurs de détente bidirectionnels

Abrégé

The present invention relates to a mount (1) for fluidically connecting a receiver (100) to a refrigerant circuit (R). The mount (1) comprises a first channel (2), a second channel (15), a third channel (14), a fourth channel (12) and a fifth channel (13). The first channel (2), the fourth channel (12) and the fifth channel (13) are configured to be receive respective check valve elements (101, 102, 103, 104). Further, the second channel (15) is configured to receive an expansion valve insert (107). When being equipped with respective valve elements and used as an assembly according to the invention, respective fluid channels (2, 12, 13, 14, 15) of the mount (1) are configured to be opened or closed depending on the direction of fluid flow, thereby allowing fluid to pass from a first port (3) to a second port (4), for example via the receiver (100), or vice versa. In particular to save manufacturing time and to reduce the number of brazings, the mount (1) is formed in one piece.

Classes IPC  ?

• F25B 41/38 - Moyens de détenteLeurs dispositions spécialement adaptés aux cycles réversibles, p. ex. étrangleurs de détente bidirectionnels
• F25B 43/00 - Dispositions pour la séparation ou la purification des gaz ou des liquidesDispositions pour la vaporisation des résidus de fluides frigorigènes, p. ex. par la chaleur

Abrégé

The invention relates to a quick connecting and disconnecting fluid coupling (1, 25) with a male (2, 22) and a female fluid connector (3, 23). The male fluid connector (2, 22) comprises a connection latching arrangement (12, 15), and a sleeve (7) that is rotatably arranged relative to the body (6) of the first fluid connector part (2, 22). The sleeve (7) can be positioned in a mechanically biased standby position, in which the sleeve (7) is mechanically biased in a rotational direction (20) using a mechanical biasing means (17). The mechanically biased standby position is maintained in an uncoupled state of the quick connecting and disconnecting pressurised fluid coupling (1, 25) using a holding device (8, 24). The standby position is released by applying a releasing axial force onto the sleeve (7), wherein the releasing axial force is directed opposite to the connecting direction (4) of the first fluid connector part (2, 22).

Classes IPC  ?

• F16L 37/084 - Accouplements du type à action rapide dans lesquels l'assemblage entre les extrémités s'aboutant ou se chevauchant est maintenu par des organes de blocage combinés à un verrouillage automatique
• F16L 37/113 - Accouplements du type à action rapide dans lesquels l'assemblage entre les extrémités s'aboutant ou se chevauchant est maintenu par des organes de blocage utilisant sur une partie un manchon ou segment externe rotatif la partie mâle étant munie sur son pourtour de tenons qui pénètrent dans des encoches correspondantes aménagées dans la partie femelle
• F16L 37/32 - Accouplements du type à action rapide avec moyens pour couper l'écoulement du fluide avec un obturateur dans chaque extrémité de tuyau avec deux clapets dont l'un au moins est ouvert automatiquement au moment de l'accouplement

Abrégé

The invention relates to a fluid connector part (2, 3) for a quick connecting and disconnecting pressurised fluid coupling (1). The fluid connector part (2, 3) comprises a housing (8) with a first fluid valve arrangement (10) between a fluid tube or hose side (6, 7) and a connecting side (4, 5) of the fluid connector part (2, 3). The first fluid valve arrangement (10) comprises a fluid throughput orifice (21) and a first spool member (11). The first spool member (11) is movable between at least an opening position, in which fluid may pass through the first fluid valve arrangement (10), and a closing position, in which the fluid passage (21) through the first fluid valve arrangement (10) is blocked. The fluid connector part (2, 3) is designed and arranged in a way that the first spool member (11) is pushed into its closing position by a pressure differential over the first valve arrangement (2, 3). Further the first spool member (11) may also be moved into its closing position by means of an externally accessible handling device (27).

Classes IPC  ?

• F16L 37/32 - Accouplements du type à action rapide avec moyens pour couper l'écoulement du fluide avec un obturateur dans chaque extrémité de tuyau avec deux clapets dont l'un au moins est ouvert automatiquement au moment de l'accouplement
• F16L 37/36 - Accouplements du type à action rapide avec moyens pour couper l'écoulement du fluide avec un obturateur dans chaque extrémité de tuyau avec deux clapets qui sont actionnés de façon que le courant à travers l'accouplement ne s'établisse qu'après l'accouplement sans désengagement possible

Abrégé

The present invention pertains to an expansion valve for a closed-circuit heat exchanger application. The valve comprises two ports, a valve opening, a valve seat with a closing edge and a valve element with a closing portion for closing the valve opening. According to the invention, the valve element comprises at least one recessed portion functioning as a bleed hole, that is provided with a circular cross section.

Classes IPC  ?

• F25B 41/335 - Soupapes de détente l’organe de soupape étant actionné par la pression du fluide, p. ex. par la pression du réfrigérant à travers des diaphragmes

Abrégé

The invention relates to a valve arrangement (1) that comprises a switchable directional valve (3), a fluid balancing valve (2) and an actuating rod (5) for actuating the switchable directional valve (3) and the fluid balancing valve (2). The switchable directional valve (3) is actuated by the actuating rod (5) via a main elastic force relaying means (8).

Classes IPC  ?

• F16K 1/44 - Détails du siège ou du corps de soupape pour les soupapes à double siège
• F16K 11/044 - Soupapes ou clapets à voies multiples, p. ex. clapets mélangeursRaccords de tuyauteries comportant de tels clapets ou soupapesAménagement d'obturateurs et de voies d'écoulement spécialement conçu pour mélanger les fluides dont toutes les faces d'obturation se déplacent comme un tout comportant uniquement des soupapes ou des clapets à corps de soupape ou de clapet mobiles situés entre des sièges de soupape ou de clapet
• F16K 31/04 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un moteur
• F16K 31/50 - Moyens mécaniques d'actionnement à tige-guide filetée
• F16K 39/02 - Dispositifs pour relâcher la pression sur les faces d'un joint d'étanchéité dans le cas de soupapes de levage

Abrégé

Connector element for connecting two tubular connecting elements, assembly of a tubular connecting element and the connector element, and method for inserting a fixation wire into the connector element The present invention relates to a connector element (1) using a fixation wire (8) comprising a first end (10) and a second end (15) for connecting of two tubular connecting elements. The connector element (1) comprises a longitudinal axis (Z1) and a through-opening (2). The through-opening (2) is formed by a tubular sleeve portion (3) and a nut portion (5). The sleeve portion (3) comprises an outer thread (4). In addition, the connector element (1) comprises an inner circumferential groove (7) at the through-opening (2) configured to receive the fixation wire (8). Further, the connector element (1) comprises an insertion hole (9) which forms a first passage between an outer surface (6) of the connector element (1) and the inner circumferential groove (7) and which is configured to guide the first end (10) into the inner circumferential groove (7) from outside of the connector element (1). To provide an improved connector element which facilitates use, the inner circumferential groove (7) additionally comprises at least one relief recess (11). Further, the relief recess (11) is configured to at least partially receive the first end (10) of the fixation wire (8).

Classes IPC  ?

• F16L 19/02 - Extrémités de tuyaux pourvues de colliers ou de brides formant corps ou non avec les tuyaux, maintenues en contact par un organe vissé

Produits et services

Synthetic Rubber hoses; Rubber hoses; Thermoplastic hoses; Industrial hoses; Flexible hoses.

Abrégé

The present disclosure relates to a vane (30) for a vane cell machine (1). The vane (30) includes a body (31) extending in a longitudinal direction (LD), a traverse direction (TVD), and a thickness direction (THD), wherein all directions (LD, TVD, THD) are at least substantially perpendicular to each other. It includes two opposite longitudinal end surfaces (32) along the longitudinal direction (LD) and an outer side (33) for sealing against an inner circumferential wall surface (12) of the stator (10), wherein the outer side (33) constitutes one end of the body (31) in the traverse direction (TVD). For optimizing the efficiency of the vane cell machine and to improve the manufacturability of the vanes, the body (31) is made of solid fiber polymeric composite and the vane (30) includes at least one weight insert (42), wherein at least one cavity (41) for insertion of the at least one weight insert (42) into the body (31) is formed in the body (31). The present disclosure further relates to a vane cell machine (1) and a method for producing vanes (30).

Classes IPC  ?

• F01C 21/08 - Pistons rotatifs

Produits et services

Heat exchangers.

Abrégé

This disclosure relates to a refrigerant compressor including a diffuser with one or more quarter wave tubes. The compressor is used in a heating, ventilation, and air conditioning (HVAC) chiller system, for example.

Classes IPC  ?

• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
• F25B 31/02 - Groupes moto-compresseurs

Abrégé

A valve 10 for regulating a flow between a first and a second port 16, 18. A valve housing 12 includes a valve chamber 14 connected to the first and second ports 16, 18. A valve insert 26 inserted within the valve chamber 14 comprises a first cylinder 28 connected to a second cylinder 32 and a piston 34 movably arranged within the second cylinder 32. The piston 35 acts against a valve seat gasket 30. The first and said second cylinders 28, 32 are arranged axially aligned and connected by a releasable connection 44. The valve seat gasket 30 is arranged in a valve seat gasket chamber 62 formed between the first and second cylinders 28, 32 and providing a ring opening 80 for engagement of the valve seat gasket 30 with the piston 34.

Classes IPC  ?

• F16K 1/42 - Sièges de soupapes
• F16K 1/46 - Fixation des segments d'étanchéité

Abrégé

A refrigerant compressor may include a resonator configured to attenuate noise. The resonator may be arranged adjacent, or downstream of, an outlet of the refrigerant compressor. The resonator may include a first set of grooves configured to attenuate noises associated with the refrigerant compressor, and the resonator may further include a second set of grooves configured to attenuate noises associated with another refrigerant compressor. The other refrigerant compressor exhibits a different structural configuration, or is configured to work with a different type of refrigerant, relative to the refrigerant compressor.

Classes IPC  ?

• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
• F01N 1/02 - Silencieux caractérisés par leur principe de fonctionnement utilisant la résonance
• F25B 31/00 - Aménagements des compresseurs

Abrégé

A method for controlling a vapour compression system (1) comprising a heat recovery system, at least one refrigeration evaporator and a heat pump evaporator (9) is disclosed. The vapour compression system (1) comprises a first suction line (13) connected to an outlet of each of the at least one refrigeration evaporator (8), and a second suction line (14) connected to an outlet of the heat pump evaporator (9), the first suction line (13) and the second suction line (14) being arranged fluidly in parallel. The first suction pressure is controlled by adjusting a compressor capacity of the at least one refrigeration compressor (3, 4), and in order to match a first suction pressure setpoint value. A compressor capacity of the at least one heat pump compressor (4, 16) is controlled based on a heat recovery request from the heat recovery system. The superheat of refrigerant leaving the heat pump evaporator (9) is controlled by adjusting a supply of refrigerant to the heat pump evaporator (9) via the associated expansion device (11), and in order to obtain minimal superheat.

Classes IPC  ?

• F25B 5/02 - Machines, installations ou systèmes à compression, avec plusieurs circuits d'évaporateurs, p. ex. pour faire varier la puissance frigorifique disposés en parallèle
• F25B 6/04 - Machines, installations ou systèmes à compression, avec plusieurs circuits de condenseurs disposés en série
• F25B 49/02 - Disposition ou montage des dispositifs de commande ou de sécurité pour machines, installations ou systèmes du type à compression

Abrégé

An ejector (1; 100), e.g. for a refrigerant circuit, with a primary inlet (2), a secondary inlet (7), an outlet (12), a nozzle (5), and a mixing portion (6, 10) includes an actuating mechanism (30) moving a needle (20) between an opened position and a closed position. The actuation mechanism (30) includes a piston (31) in a cylinder (35), wherein a first cylinder chamber (37) is in fluid communication with the primary inlet (2) and a second cylinder chamber (38) is in fluid communication with the first cylinder chamber (37). The second cylinder chamber (38) is in fluid communication with the secondary inlet (7) and/or the outlet (12) via a drain passage (39, 53, 54, 55, 56, 57) when a pilot valve (50) arranged in the drain passage (39, 53, 54, 55, 56, 57) is in an open state. For ensuring smooth opening and closing, the fluid communication of the second cylinder chamber (38) with the first cylinder chamber (37) is provided by an equalization passage (32), wherein a flow cross-section of the equalization passage (32) is larger than a flow cross-section of the drain passage (39, 53, 54, 55, 56, 57).

Classes IPC  ?

• F25B 9/08 - Machines, installations ou systèmes à compression dans lesquels le fluide frigorigène est l'air ou un autre gaz à point d'ébullition peu élevé utilisant des éjecteurs
• F25B 41/00 - Circulation du fluide

Abrégé

A method for managing oil in a multi-compressor refrigeration system comprising a controller; a multi-compressor device including at least two compressors which are parallelly coupled, each compressor being equipped with a suction fitting and an oil sump, suction fittings of all compressors being fluidly connected by a common suction line and oil sumps of all compressors being fluidly connected by a common oil equalization line; and an oil pumping device including an oil pump located in the common oil equalization line. The method including monitoring an operating parameter of the oil pump; and performing an oil returning action if the operating parameter of the oil pump reaches a predetermined value, wherein the oil returning action includes retrieving oil from the multi-compressor refrigeration system to the multi-compressor device.

Classes IPC  ?

• F25B 31/00 - Aménagements des compresseurs

Abrégé

A refrigerant compressor may include a first compression stage arranged adjacent a first side of a shaft. A refrigerant compressor may include a second compression stage arranged adjacent the first side of the shaft and downstream of the first compression stage. Further, the first compression stage may include a toroidal impeller, and the second compression stage may include a centrifugal compression stage.

Classes IPC  ?

• F04D 29/24 - Aubes
• F04D 17/02 - Pompes à flux radial spécialement adaptées aux fluides compressibles, p. ex. pompes centrifugesPompes hélicocentrifuges spécialement adaptées aux fluides compressibles ayant des étages non centrifuges, p. ex. centripètes
• F04D 17/12 - Pompes multiétagées
• F04D 29/28 - Rotors spécialement adaptés aux fluides compressibles pour pompes centrifuges ou hélicocentrifuges

Abrégé

A refrigerant compressor may include a first compression stage arranged adjacent a first side of a shaft, a second compression stage arranged adjacent the first side of a shaft and downstream of the first compression stage, a third compression stage arranged adjacent a second side of the shaft opposite the first side, and a fourth compression stage arranged adjacent the second side of the shaft and downstream of the third compression stage. The first and third compression stages may be axial compression stages, and the second and fourth compression stages may be centrifugal compression stages.

Classes IPC  ?

• F04D 17/02 - Pompes à flux radial spécialement adaptées aux fluides compressibles, p. ex. pompes centrifugesPompes hélicocentrifuges spécialement adaptées aux fluides compressibles ayant des étages non centrifuges, p. ex. centripètes
• F04D 17/12 - Pompes multiétagées
• F04D 19/02 - Pompes multiétagées
• F25B 1/10 - Machines, installations ou systèmes à compression à cycle irréversible à compression multi-étagée

Abrégé

The present disclosure relates to a control plate (18) configured to equip a hydraulic machine (e.g. an axial piston machine or a pressure exchanger) for a hydraulic fluid, wherein the control plate (18) includes a body (21) having an arrangement of passage openings (22, 23) for the passage of the hydraulic fluid and a contact face, wherein a whole thickness of the body (21) is formed of a main material, wherein the main material is a first polymer material. The objective of the present disclosure is to provide a control plate (18) having a good lifetime. This objective is solved by a control plate (18), wherein the body (21) includes at least one distinct section which is made of a second polymer material (31), wherein the second polymer material (31) is different from the main material.

Classes IPC  ?

• F04B 1/188 - Organes de distribution du genre plat
• F04B 1/2078 - Plateaux oscillants

Abrégé

A heat exchanger includes an inlet header pipe, which is used for a heat exchange medium to flow into the heat exchanger, and includes a first inlet header pipe portion and a second inlet header pipe portion; and heat exchange medium inlet pipes, which are respectively arranged at mutually adjacent ends of the first inlet header pipe portion and the second inlet header pipe portion and are respectively in fluid communication with the first inlet header pipe portion and the second inlet header pipe portion, wherein each heat exchange medium inlet pipe has an inlet. Since the heat exchange medium enters the inlet header pipe from the middle of the inlet header pipe, the optimization of distribution of the heat exchange medium is facilitated, and the heat exchange efficiency is increased.

Classes IPC  ?

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

Abrégé

The present invention relates to a heated sensor arrangement (1) for use with an evaporator tube (1000, 100A) of an evaporator (1001) of a refrigerant circuit. The heated sensor arrangement (1) comprises a cylindrical first housing portion (10) extending along a first longitudinal axis (X) and having a lateral first outer surface (11), a heating element (100) arranged inside the first housing portion (10), a temperature sensor (201) arranged inside the first housing portion (10); and a tubular second housing portion (20) having a lateral second outer surface (21). Further, the sensor arrangement (1) is configured for insertion of the first housing portion (10) into the second housing portion (20) such that the second housing portion (20) at least partially covers the first outer surface (11) of the first housing portion (10). In order to provide a heated sensor arrangement which allows information about a share of liquid in a flow of refrigerant to be obtained with improved accuracy, the second outer surface (21) of the second housing portion (20) comprises a supporting section (25) extending along a portion of the second outer surface (21) and configured to contact the evaporator tube (100). In addition, the temperature sensor (201) is arranged offset along the first longitudinal axis (X) relative to the supporting section (25).

Classes IPC  ?

• G01N 25/00 - Recherche ou analyse des matériaux par l'utilisation de moyens thermiques
• G01K 1/14 - SupportsDispositifs de fixationDispositions pour le montage de thermomètres en des endroits particuliers
• G01K 13/02 - Thermomètres spécialement adaptés à des fins spécifiques pour mesurer la température de fluides en mouvement ou de matériaux granulaires capables de s'écouler
• G01F 23/24 - Indication ou mesure du niveau des liquides ou des matériaux solides fluents, p. ex. indication en fonction du volume ou indication au moyen d'un signal d'alarme en mesurant des variables physiques autres que les dimensions linéaires, la pression ou le poids, selon le niveau à mesurer, p. ex. par la différence de transfert de chaleur de vapeur ou d'eau en mesurant les variations de résistance de résistances électriques produites par contact avec des fluides conducteurs
• G01K 1/143 - SupportsDispositifs de fixationDispositions pour le montage de thermomètres en des endroits particuliers pour la mesure de la température de surfaces
• G01K 1/16 - Dispositions particulières pour conduire la chaleur de l'objet à l'élément sensible
• F25B 39/02 - Évaporateurs

Abrégé

The present invention relates to a method for clamping and relative orientating a first component (100) to a second component (200). The method comprises at least the following steps: pre-fixing a first cylindrical section (101) of the first component, the first component comprising a supporting section (102) and the first cylindrical section, in a first clamping portion (3) of a first part (2) of a clamp (1) when the clamp is in an open state, wherein the first clamping portion holds the first component; relative arrangement of the clamp with the first component to the second component so that the second component abuts against the supporting section with a second cylindrical section (201); pivoting the first part and a second part of the clamp relative to each other about a pivoting axis (P) to transfer the clamp from the open state to a closed state such that the second component is caught between the first part and the second part; using a clamping unit (7) for bringing the clamp in a secured closed state; using the clamping unit for firmly clamping the clamp with the first component to the second component by tightening the first part and the second part together. Further, the present invention relates to the clamp and an arrangement of the clamp and the first component and the second component.

Classes IPC  ?

• F16B 2/10 - Brides ou colliers, c.-à-d. dispositifs de fixation dont le serrage est effectué par des forces effectives autres que la résistance à la déformation inhérente au matériau dont est fait le dispositif externes c.-à-d. agissant par contraction utilisant des mâchoires sur pivot

Abrégé

A scroll compressor includes a compressor shell (2) having a discharge outlet (4), and a discharge check valve assembly (18) including a valve housing (21) arranged at the discharge outlet (4) and provided with a metal valve seat (24), and a valve member (26) movable between a closed position and an open position. The metal valve seat (24) has a frusto-conical or toroidal sealing surface (25) and the valve member (26) has a metal sealing surface (36) being configured to cooperate with the frusto-conical or toroidal sealing surface (25) when the valve member (26) is in the closed position, the metal valve seat (24) and the valve member (26) being configured to define a linear sealing contact between the metal sealing surface (36) of the valve member (26) and the frusto-conical or toroidal sealing surface (25) of the metal valve seat (24). The valve member (26) includes a valve stem portion (33) and a valve head portion (35) connected to the valve stem portion (33). The valve stem portion (33) includes a stem end portion (41) which is remote from the valve head portion (35). The stem end portion (41) includes a tool fixing member (42) configured to allow temporary fixing of a tooling, adapted to displace the valve member (26) in the open position during assembly process of the scroll compressor (1), to the stem end portion (41).

Classes IPC  ?

• 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

Abrégé

The disclosure relates to a hydraulic steering system (1, 47, 54, 62) that includes a hydraulic steering unit (3) and a plurality of directly connected hydraulic conduits (18, 22, 42, 61). The directly connected hydraulic conduits (18, 22, 42, 61) are directly connected to the hydraulic steering unit (3). At least one of the directly connected hydraulic conduits (18, 22, 42, 61) includes a fluid branch connection (21, 23, 41) that diverges at least one of the directly connected hydraulic conduits (18, 22, 42, 61) to at least two indirectly connected hydraulic conduits (14, 15, 28, 29, 35, 36). The at least two indirectly connected hydraulic conduits (14, 15, 28, 29, 35, 36) include at least one fluid flow influencing means (19, 20, 26, 27, 37, 38, 43, 44, 45, 46, 48, 49, 50, 51), respectively.

Classes IPC  ?

• B62D 5/065 - Direction assistée ou à relais de puissance à fluide, c.-à-d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule caractérisée par des moyens spécialement adaptés pour faire varier selon les besoins l'alimentation en fluide sous pression, p. ex. à la demande, pour une assistance variable
• B62D 5/07 - Alimentation en fluide sous pression pour la direction du véhicule ainsi que pour d'autres organes
• B62D 5/08 - Direction assistée ou à relais de puissance à fluide, c.-à-d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule caractérisée par le type de valve utilisé

Abrégé

Provided is a plate heat exchanger, comprising: a plurality of heat transfer plates stacked in a first direction; a first fluid channel and a second fluid channel which are formed between adjacent heat transfer plates and fluidly isolated from each other, wherein the first fluid channel has two edge areas opposite each other in a second direction perpendicular to the first direction; two first ports, which are respectively formed in the heat transfer plates on two opposite sides of the heat transfer plates in the second direction, and are in fluid communication with the first fluid channel; and a fluid blocking structure, which forms an isolated area in the first fluid channel, such that the isolated area of the first fluid channel is fluidly isolated from the remaining areas of the first fluid channel. The distance between the fluid blocking structure and the one of the two first ports that is closer to the fluid blocking structure is within the range of 2 mm-50 mm. FIG. 2

Classes IPC  ?

• F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
• F28F 3/08 - Éléments construits pour être empilés, p. ex. pouvant être séparés pour leur nettoyage

Abrégé

The invention relates to a connection device (1) for a conduit (17) that comprises an attachment section (3) for the attachment of the connection device (1) to another device, and a nipple section (2) with a circumferentially shaped sheet material (8) for attachment to the sheath (19) of the conduit (17). The sheet material (8) of the nipple section (2) comprises a plurality of cut-outs (11).

Classes IPC  ?

• F16L 25/01 - Structure ou détails de raccords de tuyaux non prévus dans les groupes ou présentant in intérêt autre que celui visé par ces groupes spécialement adaptés pour réaliser une conduction électrique entre les deux extrémités raccordées des tuyaux ou entre leurs éléments
• F16L 33/00 - Dispositions d'assemblage des manches avec des organes rigidesRaccords rigides pour manches, p. ex. éléments unitaires s'engageant à la fois dans deux manches

Abrégé

The present disclosure relates to a check valve unit (1, 100, 200, 300, 400) having a shaft bearing body (10, 110, 210, 310, 410) with an at least substantially cylindrical mounting portion (11) extending along an axial direction (A) and an axially extending valve shaft (20, 120) mounted therein. The latter is displaceable along the axial direction (A). The check valve unit (1, 100, 200, 300, 400) further includes a valve head (25, 125) with a sealing surface (33, 133), wherein the valve head (25, 125) is disposed on a distal end (21) of the valve shaft (20, 120) in the axial direction (A), the distal end (21) facing away from the mounting portion (11). Further, a damping reservoir (50) is provided inside the shaft bearing body (10, 110, 210, 310, 410). A volume of the damping reservoir (50) is changed by axial movement of the valve shaft (20, 120). In order to obtain a well-defined times for opening and closing under given conditions and to make the check valve unit (1, 100, 200, 300, 400) less prone to making noise, at least two channels (46a, 46b) are provided in parallel, each of them constituting a fluid connection between the damping reservoir (50) and an outside (70). The damping reservoir (50) is, apart from the channels (46a, 46b), at least substantially enclosed. Each channel (46a, 46b) has a length being at least ten times a hydraulic diameter of the respective channel (46a, 46b).

Classes IPC  ?

• F16K 47/00 - Moyens incorporés aux soupapes pour absorber l'énergie d'un fluide
• F04D 17/10 - Pompes centrifuges pour la compression ou l'épuisement
• F04D 27/02 - Contrôle de l'emballement
• F04D 29/048 - Paliers magnétiquesPaliers électromagnétiques
• F16K 15/02 - Soupapes, clapets ou valves de retenue à corps de soupapes rigides guidés
• F25B 31/00 - Aménagements des compresseurs

Abrégé

The present invention pertains to a valve arrangement comprising a valve with a valve connection geometry, an actuator with an actuator connection geometry and a clamp fixing the valve to the actuator, wherein each connection geometry comprises an inner contact surface for contacting the valve to the actuator, and wherein each connection geometry comprises a radially outward pointing protrusion, each with an outer contact surface for contacting the clamp, wherein each outer contact surface is shaped at least partially as a frustum. The invention also pertains to an actuator and clamp for a valve arrangement, a method for assembling a valve arrangement, and an actuator for actuating a valve with a clamp for fixing the actuator to the valve.

Classes IPC  ?

• F16B 7/04 - Assemblages par brides ou clips
• F16B 2/06 - Brides ou colliers, c.-à-d. dispositifs de fixation dont le serrage est effectué par des forces effectives autres que la résistance à la déformation inhérente au matériau dont est fait le dispositif externes c.-à-d. agissant par contraction
• F16K 31/04 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un moteur

Abrégé

The present disclosure discloses a manifold, a heat exchange apparatus and a manifold manufacturing method, wherein a flow section of the manifold includes at least one linear side, the linear side being formed by a clamping plate, and another side being formed by a first tube member; sidewalls of the first tube member are provided in a direction parallel to a central axis with a first opening for mounting the clamping plate; a first clamping slot and a second clamping slot are respectively provided at two sides in the first tube member near the first opening; the clamping plate is a linear flat plate structure, and two sides thereof are respectively located inside the first clamping slot and the second clamping slot. An effective flow area inside the manifold can be increased by the structural configuration described above, reducing a decrease in pressure of refrigerant after passing through the manifold.

Classes IPC  ?

• F28F 9/02 - Boîtes de distributionPlaques d'extrémité
• F28F 9/16 - Dispositions pour obturer des éléments dans les boîtes de distribution ou plaques d'extrémité par joints permanents, p. ex. par dudgeonnage

Abrégé

The invention relates to a multilayer air-conditioning plastic hose with a two layer core tube. The innermost layer of the core tube is a first thermoplastic layer made of PA6 or of a poly-olefin formulation. The other layer of the core tube is a second thermoplastic layer made of PA66. A protective layer at least partially made of a thermoplastic elastomer material (TPE) forms the outermost layer of the multilayer air-conditioning plastic hose.

Classes IPC  ?

• B32B 1/08 - Produits tubulaires
• B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
• B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
• B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
• B32B 27/12 - Produits stratifiés composés essentiellement de résine synthétique adjacente à une couche fibreuse ou filamenteuse
• B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
• B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
• B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
• F16L 11/08 - Manches, c.-à-d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles avec armature noyée dans la paroi

Abrégé

A refrigerant compressor includes a discharge portion and a muffler disposed at the discharge portion. The muffler includes an outer cylinder having a center axis, and a sleeve concentric with and radially inward of the outer cylinder relative to the center axis. The sleeve includes a plurality of radially extending through holes and provides a resonance cavity radially between the sleeve and the outer cylinder.

Classes IPC  ?

• F04D 29/66 - Lutte contre la cavitation, les tourbillons, le bruit, les vibrations ou phénomènes analoguesÉquilibrage
• 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
• F25B 31/02 - Groupes moto-compresseurs

Abrégé

Improved reinforced thermoplastic hoses exhibiting improved layer adhesion, improved burst pressure response, and better fitting retention are provided. High quality adhesion between tube, cover, and reinforcement layers is exhibited. Improved methods of making reinforced thermoplastic hoses to reduce use of SVHC chemicals and improve manufacturing efficiency are also provided. The thermoplastic hoses are suitable for pneumatic and hydraulic applications.

Classes IPC  ?

• F16L 11/08 - Manches, c.-à-d. tuyaux flexibles en caoutchouc ou en matériaux plastiques flexibles avec armature noyée dans la paroi
• B29C 48/00 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet
• B29C 48/10 - Objets dont la section transversale comporte des cavités partiellement ou entièrement fermées, p. ex. tuyaux ou canaux flexibles, p. ex. pellicules flexibles soufflées
• B29K 23/00 - Utilisation de polyalcènes comme matière de moulage
• B29K 75/00 - Utilisation de polyurées ou de polyuréthanes comme matière de moulage
• B29K 77/00 - Utilisation de polyamides, p. ex. polyesteramides, comme matière de moulage
• B29K 267/00 - Utilisation de polyesters comme matière de renforcement
• B32B 1/08 - Produits tubulaires
• B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
• B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
• B32B 27/12 - Produits stratifiés composés essentiellement de résine synthétique adjacente à une couche fibreuse ou filamenteuse
• B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
• B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
• B32B 27/40 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyuréthanes
• D04C 1/02 - Tresses ou dentelles, p. ex. dentelles aux fuseauxLeurs procédés de fabrication faites avec des matériaux particuliers
• D04C 1/06 - Tresses ou dentelles destinées à des usages particuliers

Abrégé

A method including the steps of providing a plurality of ultrawide band ("UWB") components including a transmitter and/or a receiver at a first location, and at a second location, and communicating with a control on one of said first and second locations, sending radial frequency signals from at least one of the UWB components at one of the first and second locations to a second UWB components on the other of the first and second locations, and receiving a reflective signal at the at least one UWB component, and determining an UWB relative position of the first and second locations in at least two dimensions, determining the relative position of the first and second locations utilizing an inertial motion unit ("IMU"), sending the IMU determined position to the control and considering the ultrawide band determined relative position and the IMU determined relative position to reach a final position determination.

Classes IPC  ?

• G01S 1/08 - Systèmes pour déterminer une direction ou une ligne de position
• G01S 3/50 - Systèmes pour déterminer une direction ou une déviation par rapport à une direction prédéterminée en utilisant des antennes espacées et en mesurant la différence de phase ou de temps entre les signaux venant de ces antennes, c.-à-d. systèmes à différence de parcours les ondes arrivant aux antennes étant modulées en impulsion et le temps de leur arrivée étant mesuré
• G01S 5/02 - Localisation par coordination de plusieurs déterminations de direction ou de ligne de positionLocalisation par coordination de plusieurs déterminations de distance utilisant les ondes radioélectriques

Abrégé

The present disclosure relates to a hydraulic steering system (100) for steering a vehicle with a steering mechanics (112). The hydraulic steering system (100) includes a hydraulic steering unit (101). A single hydraulic steering unit (101) includes two outlet ports (111) configured to allow hydraulic fluid to be discharged from the hydraulic steering unit (101) to the steering mechanics (112) of the vehicle, at least two redundant hydraulic components (108, 109) configured to change a hydraulic flow of the hydraulic fluid and to be fluidically connected to the outlet ports (111), a first steering control device (102) for controlling a first hydraulic component (108) of the at least two hydraulic components (108, 109) and configured to change the hydraulic flow in the hydraulic steering unit (101) and a second hydraulic component (109) configured to change the hydraulic flow in the hydraulic steering unit (101). In order to provide an improved hydraulic steering system, the single hydraulic steering unit (101) further includes a second steering control device (105) for controlling the second hydraulic component (109) of the at least two hydraulic components (108, 109).

Classes IPC  ?

• B62D 5/00 - Direction assistée ou à relais de puissance
• B62D 5/06 - Direction assistée ou à relais de puissance à fluide, c.-à-d. au moyen d'un fluide sous pression produisant toute la force nécessaire, ou la plus grande partie de celle-ci, pour commander la direction du véhicule

Abrégé

A housing assembly for use in a heat exchange system includes an aluminium housing with at least two fluid ports, wherein each fluid port is connected to a bi-metal connector, wherein the bi-metal connector includes an inner copper layer and an outer stainless steel layer, and wherein the aluminium housing includes connection portions for connecting the bi-metal connectors.

Classes IPC  ?

• 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
• F28F 9/26 - Dispositions pour raccorder des sections différentes des éléments d'échangeurs de chaleur, p. ex. de radiateur

Abrégé

A refrigerant compressor includes a discharge portion, and a deswirler disposed at the discharge portion. The deswirler includes a hollow cylinder, which includes an inner diameter surface and a center axis. A plurality of vanes extend radially inward from the inner diameter surface toward the center axis.

Classes IPC  ?

• F04D 29/44 - Moyens de guidage du fluide, p. ex. diffuseurs
• F04D 17/10 - Pompes centrifuges pour la compression ou l'épuisement
• F25B 31/02 - Groupes moto-compresseurs