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WO/2024/072630A1 |
A method includes determining, based on a signal from a sensor of a service tool that couples with a service port of the HVAC/Refrigeration system to add refrigerant to the HVAC/Refrigeration system or remove refrigerant from the HVAC/Re...
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WO/2024/060784A1 |
The present invention provides a refrigerant detection method and apparatus, an electronic device, and a storage medium. After a refrigeration mode of an air conditioning system has begun operating, when the operating state of a compress...
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WO/2024/060634A1 |
A solar absorption refrigeration system, a control method, and an electronic device. The solar absorption refrigeration system comprises an absorbent circulating circuit (100), a refrigerant circulating circuit (200), a solar collector (...
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WO/2024/060659A1 |
The present application relates to the technical field of air conditioner control, and discloses an air conditioner control method. The method comprises: obtaining the temperature in a disinfection device and the exhaust temperature of a...
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WO/2024/062948A1 |
The present invention comprises a controller (130) that controls a supercooling side pressure reducing valve (46) in accordance with the supercooling degree of a coolant which has flowed out from a first flow path (28a) of a supercooling...
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WO/2024/061828A2 |
The invention relates to a heat pump assembly (9) comprising at least one first heat pump (1) with a flow (11) and a return pipe (12), at least one second heat pump (2) with a flow (21) and a return pipe (22), at least one first heat sou...
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WO/2024/058748A1 |
The present invention relates to a dishwasher (1) comprising a body (2); a heat pump (3) which is provided in the body (2) and which has at least one compressor, at least one evaporator (5) and at least one condenser; and at least one bl...
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WO/2024/058336A1 |
The present disclosure provides a refrigerator including a control device for controlling driving of a motor and a method of controlling same. The refrigerator according to the present disclosure includes: a storage compartment; a door c...
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WO/2024/053916A1 |
The present invention relates to an absorption heat pump system using low-temperature heat sources such as solar heat and industrial waste heat, and separately provides an indoor heat exchanger for circulating a separate refrigerant, and...
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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/2024/053175A1 |
Provided are: an air conditioning device that can secure both safety for a user and comfort for the user; and a control method for the air conditioning device. This air conditioning device comprises an indoor unit that can connect to a...
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WO/2024/053174A1 |
Provided are a refrigeration cycle device, a refrigeration cycle device control method, and a program capable of appropriately notifying an external apparatus of whether there is a possibility that a foreign body may be attached to an in...
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WO/2024/053200A1 |
The present disclosure provides a management system that, regarding an infrared refrigerant leakage sensor provided in a refrigeration cycle device, assists an inspection corresponding to the presence or absence of a self-diagnostic func...
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WO/2024/051098A1 |
An air-conditioning system, comprising a main compressor, a condenser, a throttling device and an evaporator, which are sequentially in communication with each other by means of a main channel, wherein an outlet of the evaporator is in c...
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WO/2024/051020A1 |
The present application relates to the technical field of air conditioners, and discloses a control method for an air conditioner. The air conditioner comprises a compressor, a four-way valve, an indoor heat exchanger, a throttle apparat...
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WO/2024/051179A1 |
A muffler parameter determination method and apparatus, a device, a storage medium and a system, the method comprising: acquiring the temperature value and the pressure value of a refrigerant, the proportion of a gas refrigerant and the ...
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WO/2024/052951A1 |
[Problem] To provide an air conditioner which can ensure safety when a flammable refrigerant is utilized. [solution] An air conditioner employing a flammable refrigerant, wherein an ion-exchange resin having sulfonic acid groups or ammon...
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WO/2024/053034A1 |
One aspect of an outdoor unit of the present disclosure is an outdoor unit for a refrigeration cycle device, and comprises: a compressor; a pressure vessel connected to the compressor; a relief pipe connected to the pressure vessel; and ...
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WO/2024/048995A1 |
A heat pump system according to one aspect of the disclosed invention may comprise: a compressor for compressing a refrigerant; a refrigerant-water heat exchanger for allowing heat to be exchanged between the compressed refrigerant and w...
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WO/2024/047954A1 |
A refrigeration cycle apparatus according to the present disclosure is formed from a compressor, a condenser, an expansion valve, and an evaporator which are connected together by pipes, and has a refrigerant circuit through which a refr...
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WO/2024/050083A1 |
A heating ventilation and air-conditioning system is disclosed and includes: at least one analog-to-digital converter configured to sample a voltage signal on or across one or more power lines to provide samples, the one or more power li...
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WO/2024/046016A1 |
Disclosed are an energy-saving controller and energy-saving control method for a water pump of a central air conditioning system. The energy-saving controller comprises: a compressor start/stop detection module, an input end thereof bein...
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WO/2024/048970A1 |
The disclosed air conditioner comprises: an indoor unit comprising an indoor heat exchanger; an outdoor unit comprising a compressor for supplying a refrigerant to the indoor heat exchanger; an indoor heat exchanger temperature sensor fo...
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WO/2024/045636A1 |
A temperature adjusting method, an electric control box, an anti-condensation control method and an air conditioner. An air-conditioning system comprises an electric control box, a compressor, a refrigerant line, and a throttling compone...
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WO/2024/047930A1 |
Provided are a synchronous-machine control device, a compression system, and a refrigeration-cycle device that enable improvement in the accuracy of estimation of the permanent-magnet magnetic flux in a synchronous machine. A synchronous...
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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/2024/050186A1 |
A heating, ventilation, and air conditioning (HVAC) system and controller therefor to operate with thermal energy reservoirs are provided to set a four-way valve to route a refrigerant through a refrigerant circuit in a first direction w...
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WO/2024/044208A1 |
A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system includes a process fluid loop configured to receive a process fluid, an internal fluid cooling loop configured to receive a cooling fluid, an air cooled heat ...
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WO/2024/042795A1 |
The present invention provides: a control device that can improve energy efficiency; a cut-off valve circuit device provided with the control device; an air-conditioning device provided with the control device; and a control method. This...
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WO/2024/044210A1 |
A heating, ventilation, air conditioning, and/or refrigeration (HVAC&R) system includes a first modular central utility plant (mCUP) including a first chiller and a first free cooling heat exchanger, and a second mCUP including a second ...
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WO/2024/044444A1 |
The present disclosure relates to a heat pump heating, ventilation, and air conditioning (heat pump HVAC) system, and more particularly to a system operable to use a refrigerant to heat or cool an indoor space with a refrigerant circuit ...
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WO/2024/038532A1 |
This air conditioner comprises: an indoor unit having a load-side heat exchanger, an indoor fan, and a refrigerant detection sensor; an outdoor unit having a compressor and a heat source-side heat exchanger; a refrigerant circuit in whic...
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WO/2024/039042A1 |
The disclosed air conditioner comprises: an indoor unit including an expansion valve and an indoor heat exchanger; a compressor for supplying a refrigerant to the indoor unit; a compressor inlet pressure sensor for detecting compressor i...
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WO/2024/037062A1 |
Disclosed in the present invention are a control method for a multi-split air-conditioning system, and a controller, an air-conditioning system and a medium. At least some indoor units having a refrigeration requirement in the multi-spli...
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WO/2024/039033A1 |
Disclosed is a refrigerator which reduces touch input noise by controlling the number of revolutions of a compressor. On receiving a touch input from a touch screen, the refrigerator controls the number of revolutions of a compressor, wh...
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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/2024/039275A1 |
A method (200) for controlling an operation of a modular fluid-fluid heat transfer arrangement (100) comprising a plurality of heat pump modules (130a, 130b) comprising a control unit (133) being connected to each control unit (133) of t...
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WO/2024/034320A1 |
The present invention comprises a compressor (11) that compresses and discharges refrigerant, a heat dissipator (16, 12) that dissipates heat from the refrigerant discharged from the compressor, an expansion valve (14b, 14a) that depress...
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WO/2024/032116A1 |
Provided is a constant-temperature water chilling unit, comprising a refrigerant circulating system, a water-cooling assistance adjusting system, a heat supplementation branch adjusting system, and a controller (16). The water-cooling as...
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WO/2024/032275A1 |
A liquid cooling unit, a liquid cooling system having the liquid cooling unit, and a control method for the liquid cooling unit. The liquid cooling unit comprises a first heat exchange assembly (1), a second heat exchange assembly (2), a...
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WO/2024/033707A1 |
Systems and methods for remote monitoring of refrigeration systems to detect leaks of refrigerant include a local monitoring station, having at least one sensor configured to be in communication with a refrigeration system having refrige...
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WO/2024/029413A1 |
According to the present invention, a worsening of electromagnetic interference due to a grounded capacitor in a π-type noise filter that employs a common mode choke coil is suppressed using a simple configuration. A resistor (54) of a ...
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WO/2024/028946A1 |
A refrigeration cycle device according to one embodiment comprises: a shutoff valve that is disposed in piping for connecting an indoor unit and an outdoor unit and circulating a refrigerant, and opens/closes by means of power from an al...
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WO/2024/029003A1 |
This refrigerant leak detecting system comprises a refrigeration cycle device including a refrigerant circuit through which a refrigerant circulates, by connecting a compressor, a condenser, an expansion valve and an evaporator using ref...
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WO/2024/021610A1 |
Disclosed in the present invention are a variable frequency air conditioner powered by a storage battery, a control method therefor and a control device thereof. The present invention enables an air conditioner to achieve balance between...
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WO/2024/022803A1 |
The invention relates to a method (500) for operating a refrigeration system (10) with a supercritically operating refrigerant, wherein the refrigeration system (10) can be operated in a first operating mode (BM1), in particular a contro...
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WO/2024/025154A1 |
Disclosed are a vehicle air conditioner and a control method therefor, the air conditioner masking the initial operating noise of an electric compressor with the operating sound of a BLDC blower motor, thereby reducing the noise heard by...
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WO/2024/021761A1 |
The present application belongs to the technical field of air conditioners, and particularly relates to a method and device for controlling an elevator air conditioner, and a storage medium. The method comprises: controlling an elevator ...
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WO/2024/021600A1 |
An ice storage air conditioner, a method, an apparatus, and a computer readable storage medium, wherein the ice storage air conditioner (200) comprises a water tank (210), a cool storage module, a rapid ice storage apparatus (100), and a...
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WO/2024/018510A1 |
This refrigeration cycle device comprises a refrigerant circuit in which a compressor, a condenser, an expansion valve, and an evaporator are connected by pipes, and a refrigerant circulates through the pipes, wherein: a fluorescent agen...
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