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WO/2022/163058A1 |
Provided is an air-conditioning device capable of suppressing the impact of refrigerant transmitted to an opening-closing device that opens and closes refrigerant piping.　The present invention comprises: an outdoor unit 20 that is prov...
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WO/2022/155940A1 |
The invention relates to the technical field of heat pumps. Disclosed are a water temperature control method for a swimming pool heat pump system, an apparatus, a device, and a storage medium, for use in adjusting the water temperature o...
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WO/2022/155715A1 |
A digital refrigeration controller (100) with integrated electronic step-motor expansion valve actuation module. The digital refrigeration controller (100) comprises a system (200) with a processing unit (206) for managing the digital co...
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WO/2022/152035A1 |
A measurement apparatus (100), which is arranged on a pipe (101), and is configured to measure the liquid content of a medium within the pipe (101); said apparatus comprises: a light transmission member (210), a light generation device (...
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WO/2022/148089A1 |
Provided are a refrigerator control method and apparatus, and a storage medium and a refrigerator. The refrigerator control method comprises: detecting and determining whether a refrigerator enters a defrosting period; when the refrigera...
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WO/2022/145694A1 |
The present invention provides: an air conditioner capable of efficiently controlling a compressor by changing, in real time, the rotational speed of the compressor, determined by means of a cooling load, in response to a user command; a...
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WO/2022/145847A1 |
This refrigerator comprises: a main body having a storage chamber; and a cold air supply apparatus for supplying cold air to the storage chamber, wherein the cold air supply apparatus comprises: a compressor; a condenser which condenses ...
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WO/2022/143757A1 |
An operation control system and an operation control method for an ice machine cooling tower (16). The operation control system comprises a water chiller unit(10), a first temperature sensor (11), a second temperature sensor (12), a prog...
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WO/2022/136534A1 |
A cryogenic refrigeration system and method are disclosed. The cryogenic refrigeration system comprises: a refrigerator unit comprising an expansion unit and a variable speed compressor configured to compress refrigerant. The variable sp...
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WO/2022/139291A1 |
The present invention relates to an air conditioner. An air conditioner according to an embodiment of the present invention comprises: a compressor for compressing and discharging a refrigerant; an indoor heat exchanger for performing he...
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WO/2022/137368A1 |
An equipment state monitoring device (1) projects a plurality of actual measured data indicating equipment state values into a dimensionless space in which a plurality of display shapes representing a plurality of sets of normal informat...
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WO/2022/131662A1 |
The present invention relates to a refrigerator for a refrigerator truck using an ejector and a method for controlling same, the refrigerator comprising: a vapor compression refrigeration system in which a compressor, a condenser, a refr...
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WO/2022/127126A1 |
The present application relates to the technical field of electronic expansion valve adjustment and control, and relates to an adjustment and control method and apparatus for an electronic expansion valve, and a heat pump device. The pre...
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WO/2022/131627A1 |
An air conditioner according to the idea of the present disclosure comprises: a compressor; an outdoor unit comprising an outdoor heat exchanger connected to the compressor; a first indoor heat exchanger supplied with a refrigerant from ...
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WO/2022/124727A1 |
The present invention relates to a refrigerator for a refrigerator truck using an ejector and a method for controlling same, the refrigerator comprising: a vapor compression refrigeration system in which a compressor, a condenser, a refr...
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WO/2022/119436A1 |
The present invention relates to an apparatus (100) for heating water. The apparatus (100) comprises a refrigerant circuit (120), a water circuit (130) in thermal communication with the refrigerant circuit (120) via a heat exchanging mea...
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WO/2022/119956A1 |
A method for an automatic direct expansion rooftop heating and cooling equipment sequence control, including the steps of determining capacity of the unit via temperature drop or rise and stabilization over a given time period; automatic...
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WO/2022/118844A1 |
The present invention suppresses a decrease in the heat exchange efficiency of a cascade heat exchanger. The present invention comprises: a primary-side refrigerant circuit (5a) that circulates a primary-side refrigerant, and has a prima...
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WO/2022/116133A1 |
A wide-range low-temperature refrigeration system for a test chamber. The system comprises a high-temperature stage unit (2), a low-temperature stage unit (1), and a refrigerating unit (3) for cascade refrigeration, and a cooling water c...
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WO/2022/117374A1 |
Refrigerating fluid circuit (2) comprising a main branch (20) which comprises an accumulator (4), a compression device (3) and at least one first heat exchanger (31), the refrigerating fluid circuit (2) comprising a first branch (21) and...
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WO/2022/117959A1 |
The invention relates to a thermal system (100) comprising a heat pump (10), and an electrical supply system (30). The heat pump (10) comprises a first compressor (51) able to compress a refrigerant when powered by a DC electric current,...
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WO/2022/113555A1 |
A refrigeration device (1) is provided with a heat source unit (10) that uses a refrigerant operating in a supercritical region. The heat source unit (10) is provided with: a compression element (20) for compressing a refrigerant; a heat...
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WO/2022/105738A1 |
A method for operating a variable capacity drive circuit (800) of a compressor (64, 100) comprises: operating a first four quadrant switch (804) and a second four quadrant switch (806) in a first state, wherein in the first state, the fi...
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WO/2022/108054A1 |
A refrigerator is provided. The refrigerator includes a plurality of refrigerant flow paths, configured to reduce the drift of the refrigerant. The refrigerator includes a refrigeration cycle including a compressor, a condenser, a plural...
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WO/2022/107220A1 |
Provided is an air-conditioning device equipped with: a refrigerant circuit that circulates a refrigerant; a housing that houses internal refrigerant pipes and a heat exchanger forming part of the refrigerant circuit; a refrigerant pipe ...
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WO/2022/106084A1 |
The invention relates to a method for detecting leaks in a refrigerating circuit (100) of a compression refrigeration machine and to a leak detection system. The refrigerating circuit (100) has at least one evaporator (120), a compressor...
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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...
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WO/2022/100129A1 |
Disclosed by the present application are an air-conditioner control method, apparatus, device, and storage medium; the method is: first, on the basis of the compressor frequency of the compressor and a first target platform speed of the ...
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WO/2022/091243A1 |
This refrigerator comprises: a housing, inside which a storage chamber is formed; a compressor provided to the inside of the housing; a cooler connected to the compressor via piping; a temperature measurement device which measures the te...
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WO/2022/085691A1 |
This air conditioner has a refrigerant circuit that is formed by an indoor unit having an indoor heat exchanger being connected by refrigerant piping to an outdoor unit that has a compressor, an outdoor heat exchanger and an expansion va...
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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 (...
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WO/2022/087261A1 |
A refrigerant measurement adjustment system includes: a refrigerant sensor for a building and configured to measure an amount of refrigerant present in air outside of a refrigeration system of the building; and an adjustment module confi...
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WO/2022/077915A1 |
Disclosed in the present application are a multi-split air conditioner and a control method therefor, and a computer storage medium. The control method comprises: when a multi-split air conditioner is in a refrigeration mode, obtaining i...
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WO/2022/082094A1 |
A refrigeration system includes a refrigeration subsystem and a coolant subsystem. The refrigeration subsystem is configured to circulate a refrigerant between an evaporator (12,22) within which a refrigerant absorbs heat and a gas coole...
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WO/2022/077703A1 |
A temperature regulating system (10) and a controller (120) thereof, a control method and a computer-readable medium. The temperature regulating system (10) comprises a condensing unit (100) and a temperature control region (110). The co...
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WO/2022/074440A1 |
The present invention discloses a low-grade heat driven adsorption chiller method and apparatus that can operate on various cycle modes, while using the same components, to optimize the performance of the chiller for various ambient cond...
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WO/2022/075412A1 |
The present invention addresses the problem that, during polling, the same data collection interval is set for all controls in a refrigeration cycle device. A control device (10) is communicatively connected to first devices (30, 30a, 30...
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WO/2022/076649A1 |
A system includes a heat-pump circuit and a heating-fluid circuit. The heat-pump circuit includes a compressor and a first condenser conduit. The heating-fluid circuit includes first, second, and third flow-paths. The third flow-path sel...
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WO/2022/073556A1 |
The invention relates to a method of operating a refrigeration cycle apparatus, wherein a compressor (1) is used to compress a coolant, wherein the compressed coolant is fed to a condenser (2) for release of heat, wherein coolant condens...
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WO/2022/073555A1 |
The invention relates to a refrigeration circuit device, comprising a compressor (1) for compressing a refrigerant, wherein, in each case as viewed in the flow direction of the refrigerant, a condenser (2) is connected downstream of the ...
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WO/2022/068307A1 |
The present invention relates to the technical field of refrigeration devices. Specifically provided are a water-cooling heat pump unit and a control method therefor, which are aimed at solving the problem of a compressor of a water-cool...
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WO/2022/072174A1 |
A sensor control system includes: a refrigerant leak sensor configured to, when powered, measure an amount of a refrigerant present in air outside of a heat exchanger of a refrigeration system, where the heat exchanger is located within ...
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WO/2022/071033A1 |
[Problem] To prevent the state of an electric wire on a power reception side relative to a power distribution transformer from affecting adjustment of apparent power in an electric wire on a power supply side relative to the power distri...
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WO/2022/071034A1 |
[Problem] To control operation of a control unit on the basis of a limit of operation of the control unit, which is electrically connected in parallel to a conversion unit with respect to a power-receiving path of the conversion unit and...
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WO/2022/065506A1 |
This instrument management system for an inverter compressor has mounted thereon a motor that is driven by an inverter, and comprises: a partial discharge detection device which detects a voltage of the motor in order to detect partial d...
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WO/2022/066663A1 |
A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system (10) includes a vapor compression system (14) having an evaporator (38), a condenser (34), and a compressor (32). The compressor (34) is configured to guide a...
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WO/2022/064784A1 |
This air conditioning system comprises: a refrigerant circuit (RC) having an indoor heat exchanger (15) of an indoor unit (2), and an outdoor heat exchanger (13) of an outdoor unit (1); and a detection unit (40) that is capable of detect...
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WO/2022/065964A1 |
A heat pump is disclosed. The heat pump of the present disclosure comprises: a compressor for compressing a refrigerant; a heat exchanger through which the refrigerant discharged from the compressor can be introduced and which includes a...
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WO/2022/064989A1 |
An ultra-low-temperature freezer 10 can execute a normal operation and a cool-down operation prior to the normal operation. The ultra-low-temperature freezer 10 comprises: an expansion machine motor 42 that causes an expansion machine 14...
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WO/2022/064681A1 |
This inverter compressor management system is equipped with a motor driven by an inverter, and comprises: a partial electrical discharge detection device that detects at least one of the voltage and the current of the motor in order to d...
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