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WO/2024/083478A1 |
The invention relates to a thermal compressor (100) comprising a lower sealed enclosure (1) filled with refrigerant in phase balance and an exchanger (4) allowing the flow of a hot medium in order to increase the temperature and the pres...
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WO/2024/083477A1 |
The invention relates to a heat engine (100) for the production of cold, comprising a closed circuit comprising a compression means, an expansion valve (7) and a first heat exchanger (8), wherein the compression means comprises a lower s...
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WO/2024/082771A1 |
An oil return control method and apparatus for variable refrigerant flow (VRF), and a VRF system. The oil return control method for VRF comprises: when a VRF system needs to enter an oil return operation, dividing, according to an operat...
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WO/2024/079052A1 |
What is described is a heat pump (100) comprising: an evaporator (10) for evaporating operating liquid to obtain operating vapour; a compressor (20) for compressing the operating vapour to obtain a compressed operating vapour; a condense...
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WO/2024/081241A1 |
A process liquid filter system for a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes a plurality of process liquid filters arranged in parallel with one another relative to flow of process liquid throug...
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WO/2024/079295A1 |
The invention relates to a use of at least one temperature measurement point (8) in a compressor (2) to control a temperature of a refrigerant circuit, wherein the temperature measurement point (8) is used between power electronics (6) o...
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WO/2024/077250A1 |
Example implementations include a refrigeration system including a compressor having a rotor separating a low pressure side from a high pressure side, a sump having a first fluid connection to the low pressure side of the compressor and ...
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WO/2024/074729A1 |
A method for controlling the fill level of an oil separator (2) for a cooling circuit (K), comprising a controllable valve (5) connected downstream of an outlet of the oil separator (2), is intended to enable the lowest possible loss of ...
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WO/2024/070425A1 |
[Problem] To optimize heat exchange amounts of each heat exchanger in response to different temperature demands of a plurality of temperature regulation targets. [Solution] Provided is a refrigerant unit 10 comprising a refrigerant circu...
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WO/2024/070424A1 |
[Problem] To minimize the thermal impact that heat exchangers with different functions receive from each other, and make it possible to respond to the desired temperature demands for a temperature adjustment target. [Solution] Provided i...
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WO/2024/072876A2 |
A method includes identifying, by a processing device, a first indication of a speed of operation of a pressure exchanger of a heat transfer system. The method further includes determining, based on the first indication of the speed of o...
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WO/2024/070423A1 |
[Problem] To make it possible to reduce the flow-path length of a refrigerant flow path and improve the performance of a refrigerant circuit in a refrigerant unit in which constituent elements of the refrigerant circuit are formed as a u...
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WO/2024/057438A1 |
This compressor comprises: a compression mechanism for compressing a refrigerant; an electric motor for driving the compression mechanism; a rotary shaft connecting the compression mechanism and the electric motor, and transmitting the r...
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WO/2024/057921A1 |
[Problem] To ensure vibration tolerance of a compressor etc. as well as to reduce heat loss and refrigerant pressure loss in a refrigerant pipe. [Solution] Provided is a refrigerant unit 10 which comprises: a refrigerant circuit that inc...
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WO/2024/054918A1 |
A vapor compression system includes a primary loop and a secondary loop. The primary loop includes a dynamic compressor operable to compress a refrigerant, a condenser fluidly connected to the dynamic compressor, a first expansion device...
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WO/2024/054577A1 |
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system includes an evaporator disposed along a working fluid circuit, where the evaporator is configured to transfer heat between a working fluid and a conditioning flu...
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WO/2024/051099A1 |
A suspension centrifugal compressor, comprising a main shaft (1), an impeller device (2) fixedly mounted on the main shaft (1), and a radial gas bearing (5) and an axial gas bearing (6) which are sleeved on the main shaft (1), wherein th...
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WO/2024/046122A1 |
A compressor system and an operation method for a compressor system. The compressor system comprises a first compressor (10), a second compressor (20) and an oil balance pipe (50), wherein the first compressor (10) and the second compres...
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WO/2024/049593A1 |
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.
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WO/2024/042983A1 |
[Problem] To reduce heat loss that occurs between a flow path through which a high-pressure refrigerant flows and a flow path through which a low-pressure refrigerant flows, and to improve the system efficiency of a refrigerant circuit. ...
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WO/2024/044407A1 |
Compressor crankcase oil reclamation methods and systems include a coalescence filter coupled to a pressure relief vent of a compressor crankcase. The filter separates oil from an oil/gas mixture exiting the crankcase. A reservoir receiv...
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WO/2024/039434A1 |
A climate-control system may include first and second compressors and a suction manifold. The first compressor includes a first shell, a first compression mechanism, and a first suction inlet through which working fluid is drawn into the...
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WO/2024/037610A1 |
Provided in the present application is an evaporator assembly, comprising an evaporator and at least one oil cooler. The evaporator comprises an evaporator housing for accommodating a refrigerant. The oil cooler comprises an oil cooler h...
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WO/2024/024225A1 |
A compressor (CMP) is provided with: a compressor body casing (1); a compression mechanism unit (2) that is provided inside the compressor body casing (1); and an accumulator (10) that is provided outside the compressor body casing (1), ...
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WO/2024/017531A1 |
The invention relates to a compression refrigeration machine (10) comprising: a compressor (11) which is designed to compress vaporous working medium starting from an inlet pressure of the compressor (11) to an outlet pressure of the com...
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WO/2024/009578A1 |
A heat exchange system for a moving body according to the present invention comprises a heat pump device (100) and a condenser (200). The heat pump device (100) includes an electric compressor (1), a heat exchanger (9), and an evaporator...
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WO/2024/007676A1 |
Disclosed in the present disclosure are an oil return control method and device, and an air conditioner. The method comprises: at a current compressor operation frequency, adjusting an oil amount regulating component on an oil return pip...
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WO/2024/005869A1 |
An apparatus includes a semi-hermetic compressor housing, an electrically- powerable dual-cylinder rolling piston rotary compressor assembly housed in the housing, electric motor driver electronics, and an auxiliary housing. The auxiliar...
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WO/2024/002840A2 |
The invention relates to a system (2), in particular a large-scale refrigeration system, comprising a refrigeration circuit (8) and a connection for a further circuit (4) connected to the refrigeration circuit during operation, wherein: ...
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WO/2023/244819A1 |
A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system (100) includes an economizer (103) configured to receive a heat transfer fluid (105) from a condenser (34). The economizer (103) is configured to separate the...
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WO/2023/237751A1 |
The invention relates to a method (200) for compressing a gas flow (101, 102, 103) containing propylene using an electric compressor drive (225), wherein: a first feed stream (101) is subjected to two separate compressions—a first comp...
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WO/2023/229950A1 |
A system includes a pressure exchanger (PX) configured to receive a first fluid via a first inlet and a second fluid via a second inlet. The PX is to exchange pressure between the first fluid and the second fluid and provide the first fl...
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WO/2023/229151A1 |
The present invention provides a refrigerator comprising: a cabinet having a machine compartment on the lower side; a compressor that is installed in the machine compartment and sags in one direction due to the weight thereof when the re...
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WO/2023/225930A1 |
In some aspects, the techniques described herein relate to a refrigerant compressor, including: a first cooling line configured to cool power electronics; a second cooling line configured to cool a motor of the compressor; a first valve ...
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WO/2023/223770A1 |
[Problem] To provide a composite device that contributes to downsizing of vehicular air-conditioning devices and the like and can also minimize occurrence of troubles due to a liquefied refrigerant during activation of a refrigerant comp...
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WO/2023/224972A1 |
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system (10) includes a compressor (32) having a housing (100), a shaft (102) disposed within and extending through the housing (100), and an impeller (104) coupled to t...
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WO/2023/210446A1 |
Provided is a refrigeration cycle device whereby it becomes possible to prevent the occurrence of a disproportionation reaction of a working medium. The refrigeration cycle device (1) is provided with a control device (3) for controlling...
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WO/2023/210444A1 |
Provided is a refrigeration cycle device which makes it possible to inhibit a working medium disproportionation reaction. This refrigeration cycle device is equipped with a control device (3) for controlling a compressor (4) equipped wit...
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WO/2023/199194A1 |
Active two-phase cooling systems incorporate a cooling medium that changes phase as it absorbs heat dissipated by a heat source and a pump or a compressor that urges the cooling medium through a cooling loop. Operation of some heat sourc...
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WO/2023/188883A1 |
A heat pump device according to the present invention comprises: an electric compressor (1); a condenser (9); and an evaporator (11). The electric compressor (1) has a housing (10), an inlet (16a), an outlet (16b), etc. In this heat pump...
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WO/2023/184768A1 |
A water chiller unit. The water chiller unit comprises: a casing (100); a compressor arranged in the casing (100), the casing (100) comprising a volute case (110) and a motor casing (120), and the motor casing (120) comprising a casing b...
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WO/2023/178870A1 |
An air conditioning system (100), comprising a compressor (10), a four-way valve (50), an outdoor heat exchanger (20), a throttling device (30), and an indoor heat exchanger (40), all of which are in communication with each other and for...
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WO/2023/178867A1 |
A compressor (10, 100) and an air conditioner (1000). The compressor (10, 100) comprises a body portion (11, 110) and a reservoir (13, 150), wherein the reservoir (13, 150) is arranged below the body portion (11, 110), an interlayer (12,...
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WO/2023/169709A1 |
The invention relates to a fluid circulation device comprising a casing (2) containing an electric machine (3), a cycle-gas circuit (5) subjecting the cycle gas to a change between a minimum pressure and a maximum pressure, a cycle-gas d...
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WO/2023/165795A1 |
A system (10) for steam generation and/or heat generation, having multiple compression stages (11), wherein each compression stage (11) includes a compressor (12) which is equipped to compress steam, starting from an inlet pressure of th...
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WO/2023/163597A1 |
A reciprocating compressor (l1) comprising: a suction valve (110'); a discharge valve (120'); and a working chamber (251'); wherein the suction valve (110') is configured to provide fluid communication between a suction channel (40') and...
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WO/2023/158552A1 |
A housing for a refrigerant compressor may include a first portion made of a metallic material and surrounding moving parts of the refrigerant compressor. The housing may further include a second portion mounted to the first portion and ...
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WO/2023/156342A1 |
The multi-compressor system (7) comprises a plurality of compressors (8) which are parallelly coupled; a common suction line (14) and inlet connection lines (15) each connecting the common suction line (14) to a suction fitting (11) of a...
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WO/2023/155330A1 |
A refrigeration system (100) and a refrigeration device. The refrigeration system (100) comprises a circulation loop; the circulation loop comprises a main flow path (21), and a first branch (22) and a second branch (23) that are connect...
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WO/2023/147774A1 |
An ice-making assembly, comprising a mold assembly having a mold cavity defined therein. The ice-making assembly further comprises a storage container, which is in fluid communication with the mold assembly, so as to provide a liquid wat...
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