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Matches 1 - 50 out of 2,330

Document Document Title
WO/2022/164731A1
A method of improving the efficiency of the heat exchange system using variable superheat and sub cooling values for a wide range of ambient conditions is provided. The heat exchange system comprises an efficiency enhancing apparatus pos...  
WO/2022/142344A1
A passive refrigerated container, comprising a container body (1), a heat insulation temperature control plate (2) and a refrigerant pipe (3), wherein the heat insulation temperature control plate (2) is arranged on at least one face of ...  
WO/2022/113211A1
This refrigerant recovery device (100) comprises a first port (101), a second port (102), a refrigerant flow path (30), and a specification unit (210). The first port (101) connects to target equipment (10) from which a refrigerant is re...  
WO/2022/110901A1
A multi-split air conditioning system and a control method therefor. The multi-split air conditioning system comprises a compressor (1), an outdoor heat exchanger, a throttling device (5), and an indoor unit (6); the outdoor heat exchang...  
WO/2022/109603A1
System, apparatus and methods for measuring air conditioning output temperature to ensure the proper amount of refrigerant for recharging an A/C vehicle coolant system, such as an automobile coolant system, are disclosed. Air conditionin...  
WO/2022/101139A2
The invention relates to a temperature control system, comprising: a medium to be temperature-controlled, with which at least one heat exchanger for absorbing heat from the medium interacts; a refrigerant circuit which supplies refrigera...  
WO/2022/083924A1
The invention relates to a method (500) for operating a refrigeration system (10) for a motor vehicle, said refrigeration system (10) comprising: a refrigerant compressor (12) which is connected or can be connected to a primary section (...  
WO/2022/064671A1
Provided is a refrigerant recovery system (10) for recovering an air conditioning refrigerant from a refrigerant circuit (30) of a refrigeration air conditioner (12). The refrigerant recovery system (10) comprises: a refrigerant recovery...  
WO/2022/035980A1
A system for charging an outdoor unit with refrigerant includes a sensor configured to measure a refrigerant concentration and a user device configured to receive the measured refrigerant concentration. The system includes that the user ...  
WO/2022/031321A1
The application pertains to, for example, novel processes and systems for heat transfer, refrigeration, energy storage, and various cooling and heating processes. Such processes may include cooling or mixing various liquid-liquid phase t...  
WO/2022/026610A1
A refrigerant control system includes: a charge module configured to determine an amount of refrigerant that is present within a refrigeration system of a building; a leak module configured to diagnose that a leak is present in the refri...  
WO/2022/018591A1
A refrigerant blend is disclosed for use in refrigeration apparatus, in particular ultra-low temperature refrigeration apparatus. The blend comprises: 10 wt% to 55 wt% of a first composition comprising at least one fluoroolefin having a ...  
WO/2022/014984A1
The present invention relates to a heat pump and a control method therefor, in which the heat pump, by comprising: an outdoor unit which includes a compressor for compressing a first coolant, a first outdoor heat exchanger for exchanging...  
WO/2021/255895A1
Provided are a refrigerant recovery system and a refrigerant recovery method which can further improve refrigerant recovery efficiency. This refrigerant recovery system comprises: a recovery device (3) which recovers a refrigerant from a...  
WO/2021/250415A1
The present invention relates to an automated refrigerant recovery system and a method for automated refrigerant recovery. The recovery system comprises a first manifold comprising a first plurality of control valves and a second manifol...  
WO/2021/241108A1
The present invention enables prompt refrigerant recovery using the pump-down operation of an outdoor unit 4, even when an air conditioner 2 is filled with more refrigerant than the outdoor unit 4 can store. An air conditioning system ...  
WO/2021/234868A1
This refrigeration cycle device (1) comprises a refrigerant circuit (RC), a first refrigerant, and a second refrigerant. The refrigerant circuit (RC) has a first region (R1), a second region (R2), a first valve (161), a second valve (162...  
WO/2021/234869A1
A method for manufacturing a refrigeration cycle apparatus (1) comprises: a step for preparing a refrigerant circuit (RC); a step for discharging air from an indoor unit (20); and step for mixing a first refrigerant and a second refriger...  
WO/2021/227894A1
A control system, comprising an air-conditioning system (1), wherein high-and-low-pressure ends of the air-conditioning system (1) are connected to a vacuum pump (3) and a recycling machine (4) or a coolant adding tank (41) by means of a...  
WO/2021/219474A1
A method for monitoring a refrigerant charge in a vapour compression system (1) is disclosed, the vapour compression system (1) comprising a compressor unit (2), a heat rejecting heat exchanger (3), a high pressure expansion device (4), ...  
WO/2021/220650A1
An outdoor unit 3 of an air conditioning device 1 comprises an outdoor control unit 31 having a first control mode and a second control mode, which are different from each other, as control modes for a refrigerant recovery operation that...  
WO/2021/220651A1
An air-conditioning management system 1 includes: an air conditioning device 2 that performs a refrigerant recovery operation for recovering a refrigerant in a refrigerant circuit 9, which connects an outdoor unit 3 and an indoor unit 4,...  
WO/2021/212248A1
Disclosed is a portable refrigerant pressure gauge, relating to the technical field of pressure gauges. The refrigerant pressure gauge comprises a first valve handle (1), a second valve handle (2), gears (3), a low-pressure detection pip...  
WO/2021/210215A1
A valve opening circuit 5 is mounted on a heat pump device having a valve on a refrigerant circuit. The valve opening circuit 5 comprises: a DC electrical path 56 to which a DC voltage generated from a normal AC voltage is applied; a val...  
WO/2021/185095A1
The embodiments of the present invention relate to the technical field of automobile intelligent control. Disclosed is a refrigerant conveying method, which is applied to a refrigerant processing device. The method comprises: firstly, co...  
WO/2021/176625A1
Disclosed is a method for installing a refrigerant cycle apparatus (100). The refrigerant cycle apparatus (100) comprises a first heat source unit (30), a utilization unit (10), and a connection piping (20). This method comprises a first...  
WO/2021/172671A1
A water filling method for an air conditioner, includes operating, by the air conditioner, in a water supply mode to fill the group of pipes with water, determining whether a filling amount of water in the group of pipes is appropriate w...  
WO/2021/165482A1
The invention relates to a dynamic method for maintaining a predetermined supercooling of the refrigerant exiting the condenser by means of dynamically controlling the circulating mass of the refrigerant by transferring refrigerant into ...  
WO/2021/153137A1
A method for replacing refrigerant in a refrigeration device in which a first refrigerant with which a refrigerant circuit (10) of a refrigeration device is filled is replaced with a second refrigerant that is used together with a refrig...  
WO/2021/132256A1
[Problem] To provide a device and a method for realizing uniformization when filling of a dispensing container during production of a mixed refrigerant device, uniformization of a compositional makeup when a heat pump cycle is filled wit...  
WO/2021/133151A1
A filtering device (100) for facilitating service and maintenance of an air conditioning system (170) or a refrigerating system by a flushing machine (160), comprising connecting pipes (108) having at least two ends (104, 106), adapted f...  
WO/2021/127171A1
Environmentally friendly refrigerant blends utilizing blends including 2,3,3,3-tetrafluoropropene (HFO-1234yf) and fluoroethane (HFC-161). The blends have ultra-low GWP, low toxicity, and low flammability with low temperature glide or ne...  
WO/2021/095115A1
An outdoor unit (2) comprises a first flow path (F1), a second flow path (F2), and a notification device (101). A compressor (10) and a condenser (20) are arranged in the first flow path (F1). The second flow path (F2) branches off from ...  
WO/2021/078314A1
The invention relates to a filling adapter for filling vehicles at assembly lines in the automotive industry, at which vehicles are filled with various service fluids that are supplied from filling systems via connection lines and fillin...  
WO/2021/037966A1
A common unit (10) for a refrigerant gas handling system (1) is described, the common unit (10) comprising an accumulator (4), a check valve (11), and a reversing valve (3). The accumulator (4), the check valve (11), and the reversing va...  
WO/2021/032052A1
Disclosed are an air conditioner control method, a storage medium and an air conditioner. The air conditioner (100) comprises an indoor unit (110) and an outdoor unit (120). The control method comprises: monitoring whether a refrigerant ...  
WO/2021/030169A1
A cooling system includes a compressor operable to compress refrigerant, an accumulator upstream from the compressor. The accumulator is operable to collect liquid from the refrigerant. A sensor is located upstream from the accumulator. ...  
WO/2021/019227A1
A method for at least partially draining an operating system, which contains a working fluid (comprising carbon dioxide (R744) and a halogenated hydrocarbon). The method comprises transferring the working fluid to a target container, fro...  
WO/2021/006900A1
The present disclosure relates to the field of air conditioning technology. In particular, it involves a refrigerant charging method for variable speed compressor based ac system.  
WO/2020/247387A1
Processes and systems for reducing fouling in refrigeration systems. The process can include compressing a refrigerant to produce a compressed refrigerant and condensing at least a portion of the compressed refrigerant to produce a first...  
WO/2020/242736A1
A transport refrigeration system includes a compressor, a heat rejection heat exchanger, a flash tank, an expansion device and a heat absorption heat exchanger arranged in a serial refrigerant flow order to circulate a refrigerant; a con...  
WO/2020/235990A1
This invention relates to a system for determining refrigerant charge status of an air conditioner that comprises a processor for executing operation of the system; and a determining module for determining the refrigerant charge status t...  
WO/2020/230641A1
[Problem] A refrigerant state detection device (40A) according to one embodiment is provided with: a temperature information acquisition unit (41) for acquiring the temperature of a refrigerant flowing out from a condenser in a refrigera...  
WO/2020/223948A1
Disclosed are an air-conditioning system refrigerant recovery and filling system (200) and method. The refrigerant recovery and filling system (200) comprises a first compressor (201), a refrigerant temporary storage tank and a refrigera...  
WO/2020/217424A1
A refrigeration cycle device (1) comprises a heat-source unit (2) that includes: a bypass circuit (BC) configured so that a portion of a refrigerant on the outflow side of a condenser (20) is returned to a compressor (10) without passing...  
WO/2020/217423A1
A heat-source-side unit (2) constituting a refrigeration cycle apparatus (1) comprises: a bypass circuit (BC) configured to return a portion, of refrigerant exiting a condenser (20), to a compressor (10) without passing through an evapor...  
WO/2020/207657A1
The invention relates to a filling valve assembly (11, 2, 3, 4) for an air conditioning line (1) comprising a nozzle (11) with a through-flow opening (12) for guiding a fluid through the nozzle (11), and a filling valve (2) which is arra...  
WO/2020/186864A1
Provided in the present disclosure are an air conditioning system, a method and a device for controlling refrigerant amount thereof, and a computer readable storage medium. The air conditioning system comprises: a liquid reservoir provid...  
WO/2020/185574A1
A system and method for delivering a refrigerant to a refrigerant system. The system includes a distribution system comprising a distribution vessel, a transfer line, at least one pump, a distribution line and a distribution line branch ...  
WO/2020/185558A1
A method and apparatus for reclaiming refrigerant. The method includes transferring, an unreclaimed refrigerant composition, including one or more hydrofluoro olefins, from a source vessel to a receiving vessel and transporting the recei...  

Matches 1 - 50 out of 2,330