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WO/2023/095418A1 |
Provided is a heat medium circulation device comprising a heat source-side circuit 20, an outdoor blower 26, a utilization-side circuit 30, and an electrical box 27, wherein: a combustible refrigerant is enclosed in the heat source-side ...
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WO/2023/095514A1 |
A diagnostic system (100) for a cryogenic refrigerator (10) is provided with: the cryogenic refrigerator (10), which is provided with a pressure sensor (50) for measuring the pressure in the cryogenic refrigerator (10); a computation pro...
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WO/2023/092866A1 |
A refrigerant circulation amount adjusting method and apparatus, and a refrigeration system. The method comprises: during operation of a refrigeration system, determining the circulation amount of a refrigerant in the refrigeration syste...
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WO/2023/095427A1 |
The present invention is provided with: a refrigerant circuit 110 in which a compressor 111, a use-side heat exchanger 112, an expansion means 113, and a heat-source side heat exchanger 114 are connected annularly; a heat medium circuit ...
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WO/2023/095325A1 |
This refrigeration cycle device comprises: a compressor that compresses and discharges a working fluid; a condenser that condenses the working fluid discharged from the compressor; an inter-refrigerant heat exchanger that is equipped wit...
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WO/2023/091820A1 |
A reversible heat pump system with one bi-flow expansion device. A four-way valve in the refrigerant circuit may be configured in either a cooling mode or a heating mode. In the cooling mode, a compressor is operable to flow a refrigeran...
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WO/2023/087710A1 |
A compressor (10) and a liquid supply system therefor, the compressor (10) comprising: a housing (108), which defines an accommodating cavity (1081), and a cooling pipeline (104) and a gas supply pipeline (103) that are arranged in paral...
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WO/2023/088577A1 |
The invention relates to an air-conditioning system. A condenser fan (30) has regulable fan power. The compressor (3) has regulable compressor power. Two temperature sensors (61, 62) are associated with the evaporator (1) and the condens...
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WO/2023/090582A1 |
The air conditioner comprises: an outdoor unit including a compressor and an outdoor heat exchanger; a first indoor unit including a first indoor heat exchanger; and a second indoor unit including a second indoor heat exchanger and an in...
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WO/2023/087700A1 |
A multi-connected system (1000) and a control method thereof. The multi-connected system (1000) comprises a water source device (10), a heat pump unit (30), a water tank (20), and a controller (40). The heat pump unit (30) supplements he...
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WO/2023/087682A1 |
A compressor system, a control method for the compressor system, and an air conditioner. In order to solve the problem of damage due to the fact that oil shortage of a compressor cannot be found in time, the compressor system comprises a...
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WO/2023/084127A1 |
Provided is a method (300) of determining a state of charge of refrigerant in a refrigeration system (100), the refrigeration system (100) having a compressor (120), an expansion valve (140), a condenser side (101) for passing refrigeran...
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WO/2023/081146A1 |
In other features, a refrigeration system is provided and includes a compressor motor, an inverter, a converter and a control module. The inverter is configured to convert a direct current (DC) bus voltage to an alternating current (AC) ...
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WO/2023/079985A1 |
This sign detection device comprises: a preprocessing unit that acquires a time-series feature amount indicating the operation status of a cooling target device that has a heat source and a cooling unit that cools the heat source with a ...
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WO/2023/075970A1 |
The disclosed technology includes devices, systems, and methods for heat pump systems configured to operate in low ambient temperatures. The disclosed technology can include a heat pump water heater system having an evaporator, a first c...
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WO/2023/071295A1 |
A heat pump system, and a method and apparatus for controlling a heat pump system. The heat pump system comprises: a refrigerant circulation loop formed by connecting a compressor (10), a four-way valve (20), an outdoor unit heat exchang...
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WO/2023/070607A1 |
A vehicle refrigeration control method and apparatus, and a device, a medium and a program product. The method comprises: measuring the temperature of a battery in a target vehicle and the change rate of the temperature in real time; the...
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WO/2023/075972A1 |
The disclosed technology includes systems and methods for a heat pump water heater. The disclosed technology can include a heat pump water heater system having an evaporator, a condenser, a vapor injection line, a compressor, and a multi...
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WO/2023/071146A1 |
An air conditioner test operation control method, comprising: an air conditioner entering a capability test mode, and acquiring a real-time capability value (11); and when the real-time capability value does not meet a real-time target c...
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WO/2023/075971A1 |
The disclosed technology includes a heat pump having a thermal energy storage (TES) material. The heat pump can include a first heat exchanger to exchange heat between ambient air and refrigerant, a second heat exchanger to exchange heat...
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WO/2023/073280A1 |
Heat pump arrangement, the arrangement comprising at least two heat circuits, wherein each circuit is arranged to circulate a fluid specific for the circuit, and each circuit comprises an evaporator for evaporating the fluid from liquid ...
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WO/2023/074621A1 |
Provided is an air conditioning device that enables suitable control of the degree of opening of an electronic expansion valve in an indoor unit during a reheating dehumidification operation. An air conditioning device (1) comprises a re...
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WO/2023/066808A1 |
The invention relates to a cooling system (100). The cooling system (100) comprises: a refrigeration circuit comprising an evaporator (101), a compressor (102), a pressure reducer (107), a gas cooler (103) and a conduit system (104) inte...
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WO/2023/068120A1 |
Provided is an apparatus that can prevent entry of foreign matter and moisture during injection of compressed air into an air conditioning system and that enables checking for leakage of a refrigerant gas in the air conditioning system m...
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WO/2023/062989A1 |
This heat medium circulation system 100 comprises: a refrigerant circuit 110 that uses a combustible refrigerant and in which a compressor 111, a use-side heat exchanger 112, an expansion means 113, and a heat source-side heat exchanger ...
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WO/2023/057245A1 |
The invention relates to a thermal conditioning system and method, the system comprising a refrigerant circuit (1), the refrigerant circuit (1) comprising: - a first heat exchanger (2) configured to exchange heat with a first heat-transf...
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WO/2023/056617A1 |
A refrigerant charge controller for heating, ventilation, or air conditioning (HVAC) equipment, the controller comprising a processing circuit configured to analyze usage data for the HVAC equipment using a machine learning model to esti...
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WO/2023/059724A1 |
A condenser charge module is configured to: determine a first amount of refrigerant in each condenser of one or more condensers of a refrigeration system; determine a total condenser amount of refrigerant based on the one or more first a...
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WO/2023/057463A1 |
Provided is a method (300) of determining a loss of charge of refrigerant in a refrigeration system(100). The method (300) comprises determining at least one performance characteristic of the refrigeration system (100). The at least one ...
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WO/2023/058971A1 |
The present invention relates to an air conditioning device for a vehicle. An objective of the present invention is to prevent overheating of an inverter controlling the rotational speed of an electric compressor without cut-off of the i...
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WO/2023/053673A1 |
This air conditioner comprises: an outdoor unit having a compressor, an outdoor heat exchanger, and an expansion valve; and an indoor unit having an indoor heat exchanger. This air conditioner has a refrigerant circuit that is formed by ...
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WO/2023/050907A1 |
The present invention provides a rotating speed control method, system and device, and a storage medium, which are applied to a heat pump system. The heat pump system comprises a throttling short tube and a compressor, both sides of the ...
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WO/2023/052244A1 |
The invention relates to a device for controlling the temperature of a space (5) to be temperature-controlled, the space having a space boundary (20) that separates the space to be temperature-controlled from the surroundings (21), the d...
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WO/2023/052708A1 |
The invention relates to a compression system (2) intended to equip a refrigerant circuit (4), comprising at least one compression device (19) configured to compress the refrigerant, the compression device (19) comprising at least one co...
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WO/2023/054189A1 |
Provided is a refrigeration cycle device with which it is possible to increase the reliability of a connection location of a safety valve. The refrigeration cycle device comprises: a secondary-side refrigerant circuit (10) having a secon...
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WO/2023/047688A1 |
This refrigeration cycle device comprises a refrigerant circuit, a compressor, a condenser, an evaporator, a branch path, an expansion valve, an adjustment valve, a first temperature detection unit, a first pressure detection unit, a sec...
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WO/2023/045287A1 |
Disclosed in the present application is a control method for a multi-split heat pump system, the multi-split heat pump system comprising a compressor, at least one hydraulic module and at least one air-conditioner indoor unit, wherein th...
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WO/2023/046262A1 |
The invention refers to a controller for controlling operation of a refrigerant circuit, which refrigerant circuit comprises a compressor arrangement, a heat releasing heat exchanger heating an external medium, for example ambient air, a...
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WO/2023/048666A1 |
An air conditioning device for marine vessels, characterized in that it comprises an air vent unit (1) consisting of an evaporator (2), which allows the refrigerant to take heat energy from the environment and pass into the gas phase, a ...
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WO/2023/043363A1 |
A heat pump (100) for heating or cooling comprising a first heat exchanger (110) and a compressor (120) connected to the first heat exchanger (110). The heat pump (100) further comprises control circuitry configured to: determine an inle...
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WO/2023/040299A1 |
The present invention belongs to the field of air conditioners, and particularly relates to a control method for an air suspension compressor, and an air conditioner, which aim to solve the problem of unstable operation of an air suspens...
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WO/2023/042253A1 |
This electric power conversion device comprises: an electric power conversion unit for converting the voltage and the frequency of electric power supplied from a power supply via a power supply line and supplying the electric power to a ...
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WO/2023/039628A1 |
Heat pump HVAC systems are described including: an inside coil; a compressor; and an outside coil; wherein the outside coil includes first and second interlaced circuits. In some embodiments in a cooling mode both of the interlaced circu...
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WO/2023/040223A1 |
A gas-liquid heat exchange treatment method and apparatus, a storage medium, and an electronic device. The method comprises: determining a temperature range to which a pre-pumping supercooling degree belongs; determining a target action ...
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WO/2023/037683A1 |
This diagnostic system comprises a processing unit (71) that, while an air conditioner (11) is stopped, acquires the detection values of sensors (51-59) provided to the air conditioner (11), and diagnoses the detection state of the senso...
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WO/2023/036386A1 |
The invention relates to a drying device for providing a process gas for a drying system, wherein the drying device has a heat pump unit for heating the process gas, and the drying device is paired with the drying system and at least one...
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WO/2023/035655A1 |
An air supply system for a suspension bearing, relating to the technical field of refrigeration. The system comprises: a compressor (100), comprising a suspension bearing; a first circulation assembly, comprising a condenser (120) and an...
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WO/2023/035665A1 |
A gas supply system for a suspension bearing, relating to the technical field of refrigeration. The gas supply system comprises: a compressor (100), comprising a suspension bearing; a first circulation assembly, comprising a condenser (1...
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WO/2023/039446A1 |
A method includes receiving, by a processing device and from a variable frequency drive coupled to one or more compressors, operation information of the one or more compressors. The method also includes comparing the operation informatio...
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WO/2023/036614A1 |
A method serves for operating a speed-controlled compressor (1) of a domestic refrigeration appliance (2), wherein, at the start of an operating cycle (Z1-Z3) of the compressor (1) a check is carried out to determine the period of time (...
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