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WO/2024/016817A1 |
The present invention relates to the field of mobile air conditioners, and specifically provides a mobile air conditioner and a control method therefor, to solve the prior art problem of ineffective cleaning because the accumulation of c...
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WO/2024/016816A1 |
A mobile air conditioner and a control method therefor, which aim to solve the problem of the rotation speed of a water-fetching electric motor of existing mobile air conditioners being set to the maximum, resulting in the water amount i...
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WO/2024/018561A1 |
This refrigeration cycle device comprises a container that stores a refrigerant, a vibration sensor that detects vibration data indicating vibration of the container, and a control device that estimates the refrigerant amount inside the ...
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WO/2024/018594A1 |
This multi-type air-conditioning device is capable of simultaneously performing cooling and heating operations, and comprises: an outdoor unit; a plurality of indoor units each having an indoor heat exchanger and a leakage detection sens...
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WO/2024/016815A1 |
The present invention relates to the field of mobile air conditioners, particularly provides a mobile air conditioner and a control method therefor, and aims to solve the problem that a small amount of condensate water or even no condens...
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WO/2024/012144A1 |
A control method and device for a multi-split system, the multi-split system, and a storage medium. The control method comprises: receiving a target control signal, wherein the target control signal comprises a refrigeration power-on sig...
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WO/2024/012625A1 |
The invention relates to a method for operating a cooling device (1) for switch cabinet air conditioning or the air conditioning of an IT environment, more particularly a data centre, said method having the following steps: A. operating ...
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WO/2024/014025A1 |
This control device comprises: an acquiring unit for acquiring information representing a temperature and pressure of oil inside a compressor that compresses a refrigerant, and a detection result of an oil surface sensor for detecting a ...
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WO/2024/014666A1 |
An air conditioner comprising: a compressor including a discharge side; an outdoor heat exchanger provided to perform heat exchange with outdoor air; a base arranged to support the compressor and the outdoor heat exchanger; a four-way va...
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WO/2024/007685A1 |
Disclosed in the present disclosure are a frequency converter cooling device, a cooling method and an air conditioning apparatus. The frequency converter cooling device comprises: an inlet pipeline; an outlet pipeline, which is provided ...
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WO/2024/008231A1 |
The invention relates to a control cabinet assembly (1) comprising at least one control cabinet housing (2) and a cooling device (3), wherein the cooling device (3) has a coolant circuit (4) with a flammable coolant, wherein the coolant ...
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WO/2024/009394A1 |
An air conditioner (1) comprises: a refrigerant circuit (200) including a compressor (30), a high-pressure-side heat exchanger, an expansion device (70), and a low-pressure-side heat exchanger and configured to circulate a non-azeotropic...
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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/2024/001386A1 |
An air conditioner (1000) and a defrosting control method therefor. The air conditioner (1000) comprises an indoor unit (10), an outdoor unit (20), and a controller (40). The controller (40) is configured to: acquire a first operating pa...
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WO/2024/001373A1 |
An air conditioner (1000) and a defrosting control method therefor. The air conditioner (1000) comprises an indoor unit (10), an outdoor unit (20), and a controller (40), wherein the outdoor unit (20) comprises a compressor (201), an out...
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WO/2024/004958A1 |
A refrigerant volume measurement system (4) comprises a connector (400), a reservoir (460), a measurement unit (401), and a storage unit (472). The connector (400) is connected to a first refrigerant circuit of a first refrigeration cycl...
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WO/2024/000348A1 |
A method is provided for controlling a heating, ventilation, and air conditioning (HVAC) system. The method includes measuring a temperature and controlling a compressor of the HVAC system. The temperature is measured by a temperature se...
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WO/2024/001638A1 |
A compressor control method and apparatus, and a medium and a compressor. The method comprises: after a startup signal is received, controlling a compressor to start up, and acquiring an initial exhaust temperature when the compressor is...
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WO/2024/002992A1 |
The invention relates to a method (S0-S6) for operating a household appliance (1), in which, in order to start up a BLDC drive motor (5) of the household appliance (1), an actual rotational speed (ω) of a rotor (7) of the BLDC drive mot...
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WO/2024/001534A1 |
An outdoor unit control method for an air conditioning system, a device, an outdoor unit, and an air conditioning system. The outdoor unit control method comprises: obtaining environmental parameters, operating parameters of an outdoor u...
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WO/2023/247486A1 |
The invention relates to a method for controlling a thermal conditioning system (100), comprising: - a heat-transfer fluid circuit (20); - a refrigerant circuit (10) having: --- an electric compressor (7); --- a first heat exchanger (1) ...
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WO/2023/241071A1 |
The present application relates to the technical field of the detection of electronic expansion valves. Disclosed is a method for performing detection on an electronic expansion valve. The method comprises: obtaining the operation freque...
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WO/2023/244671A1 |
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system (10) includes a vapor compression system (100) having a vapor compression circuit (102, 104, 106) including a compressor system (108, 126, 144) configured to dir...
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WO/2023/241880A1 |
Computerised methods of controlling a vapour compression cycle system. In a first aspect, the method comprises determining a cooling or heating power demand value based on the prevailing temperature and comparing (730) it with a required...
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WO/2023/242160A1 |
An air conditioner (1) includes a refrigerant circuit (19), a main board (200), and a backup board (300). The refrigerant circuit (19) includes a shutoff valve (58A to 58D, 59A to 59D) that shuts off a refrigerant flow. The main board (2...
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WO/2023/236704A1 |
Provided in the present application are an air conditioner display method and apparatus, and an air conditioner and an electronic device. The air conditioner display method comprises: acquiring an outdoor temperature and an air condition...
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WO/2023/239872A1 |
A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system configured to operate in a plurality of cooling modes includes a mechanical cooling system configured to place a working fluid in a heat exchange relationship wi...
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WO/2023/239931A1 |
A system includes a vapor compression assembly and a free cooling assembly. The free cooling assembly corresponds to a cooling fluid and includes an air cooled heat exchanger, an additional heat exchanger, and a valve. The system also in...
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WO/2023/239791A1 |
A purge system (100) for a heating, ventilation, air conditioning, and refrigeration (HVAC&R) system (10) includes a purge tank (110) configured to receive a fluid mixture from a vapor compression system (14). The fluid mixture includes ...
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WO/2023/231110A1 |
A multi-mode switching CO2 heat pipe cooling system and a control method therefor. The system comprises an evaporator (1). The top of the evaporator (1) is connected to the inlet of a compressor (7) through a pipeline. The outlet of the ...
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WO/2023/235307A1 |
A climate-control system may include a compressor, a thermal storage device, an outdoor heat exchanger, an indoor heat exchanger, a first expansion device, and a second expansion device. The compressor may include an intermediate-pressur...
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WO/2023/232354A1 |
The invention relates to a motor vehicle (10) and to a method for determining an amount of refrigerant in a refrigerant circuit (12) of the motor vehicle (10), in which a compressor (14) feeds compressed refrigerant to a refrigerant cool...
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WO/2023/228628A1 |
Provided is a refrigeration cycle device that is able to suppress disproportionation reactions of a working medium. A refrigeration cycle device (1) includes a compressor (4) and comprises a control device (3) that controls a refrigerati...
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WO/2023/228489A1 |
Provided are an operation recording system, a vehicle, an operation recording method and an operation recording program which make it possible to perform an abnormality analysis of a highly accurate compressor. An operation recording sys...
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WO/2023/228479A1 |
This air conditioning system comprises: a heat source unit (20) that includes a heat source circuit (11a) to which a compressor (21) and a heat-source heat exchanger (22) are connected; and a usage unit (30) that includes a usage circuit...
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WO/2023/226501A1 |
Provided in the present invention are a control method for an air conditioner, a controller, an air conditioner and a storage medium. The method comprises: in a dehumidification mode, acquiring the current temperature and a target temper...
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WO/2023/227741A1 |
Apparatus having a heat exchanger (12), wherein the heat exchanger (12) has a pipeline (14), which carries a coolant, wherein the pipeline (14) is connected to a plurality of cooling fins (10) of the heat exchanger (12), having a fan (8)...
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WO/2023/228301A1 |
An alarm according to the present disclosure comprises: a refrigerant sensor capable of detecting a refrigerant; a notification element capable of providing notification that the refrigerant sensor has detected the refrigerant; a sensor ...
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WO/2023/226011A1 |
A method and apparatus for controlling a variable direct current (DC) bus of a motor drive are provided. A controller receives, over a first input, first and second component voltages of a first direct current (DC) voltage of the electri...
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WO/2023/229456A1 |
Heat pump comprising a first and a second heating circuit, comprising: - an evaporator; - one or more than one expansion valve; - a compressor; - a first condenser arranged in the first heating circuit and a second condenser arranged in ...
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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/2023/228513A1 |
This air conditioner comprises: gas-side refrigerant piping that connects a user-side heat exchanger and a heat source-side heat exchanger; liquid-side refrigerant piping that connects the user-side heat exchanger and the heat source-sid...
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WO/2023/227739A1 |
The invention relates to a method comprising the following method steps: operating a heat exchanger (12, 12'); monitoring the heat exchanger (12, 12') by means of at least one monitoring device, such as a sensor (26, 28, 30), a device (2...
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WO/2023/229457A1 |
Heat pump, comprising: - a heating circuit that comprises an evaporator, one or more than one expansion valve, a compressor and a condenser; and - a buffer circuit that comprises or defines a refrigerant accumulator; - wherein the heatin...
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WO/2023/223558A1 |
This dual refrigeration device comprises a first compressor (10), a first heat exchanger (12), a liquid receiver (13), a first expansion valve (15), a second heat exchanger (16), a second compressor (100), a third heat exchanger (101), a...
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WO/2023/223444A1 |
A refrigeration cycle state predicting device according to the present disclosure is a component of a refrigeration cycle device, and is provided with a predicting unit (9) for calculating a predicted value of a future state of the refri...
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WO/2023/223559A1 |
This outdoor unit (1) comprises a first compressor (10), a first heat exchanger (12), a liquid receiver (13), a second compressor (100), a third heat exchanger (101), a second expansion valve (102), a solenoid valve (17), a first pressur...
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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/2023/223276A1 |
The present disclosure relates to a safety apparatus (10) comprising a portable device (11) and a fixed device (12), which can be associated with an environment (S) to be monitored, provided with a perimeter (P), or is configured to defi...
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WO/2023/219062A1 |
This refrigerant detection device comprises a signal processing kit that is connected to a remote control communication line to which a DC power supply voltage is supplied from an indoor unit. The signal processing kit is provided with a...
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