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WO/2023/234131A1 |
This CO2 adsorption device for installing a solid adsorbent (1) comprises: a refrigeration cycle device in which a refrigerant is circulated through a compressor (2), a first heat exchanger (3), a pressure reducer (4), and a second heat ...
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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/2023/225706A1 |
Disclosed is a method of retrofitting a synthetic refrigerant-based HVAC system 10. The HVAC system comprises one or more air handling units 20. The one or more air handling units comprise at least one coil, and a series of pipes, valves...
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WO/2023/227730A1 |
The invention relates to a device having a heat exchanger (12, 12', 12'', 12'''), the heat exchanger (12, 12', 12'', 12''') comprising pipes (14, 14', 14'', 14''', 14'''', 14''''', 14'''''') which conduct a cooling medium, the heat excha...
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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/2023/223594A1 |
The present invention makes it possible to start a defrost operation at timing that corresponds to frosting. According to the present invention, a prediction device outputs information that controls the start timing of a defrost operatio...
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WO/2023/218585A1 |
This refrigeration cycle device comprises: a compressor; a load-side heat exchanger; a heat source-side heat exchanger including a plurality of heat exchangers provided with a plurality of heat transfer tubes extending in the vertical di...
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WO/2023/190233A1 |
This heat pump device includes a low order-side circuit, a high order-side circuit, a water circuit, a use-side terminal, and a control device. The low order-side circuit circulates a first refrigerant. The high order-side circuit circul...
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WO/2023/179729A1 |
The present application relates to the technical field of air source heat pump water heaters. Disclosed is an air source heat pump water heater for an economizer built in a water-side heat exchanger, which heater solves the technical pro...
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WO/2023/176697A1 |
Provided is a refrigeration cycle device that uses a non-azeotropic refrigerant mixture and is able to suppress the formation of frost on an evaporator. This refrigeration cycle comprises an air conditioner (1) that is equipped with a re...
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WO/2023/177048A1 |
The disclosed air conditioner comprises: a compressor for compressing a refrigerant; an outdoor heat exchanger for exchanging heat with outdoor air; a first four-way valve arranged between an outlet of the compressor and an upper inlet o...
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WO/2023/175656A1 |
This air-conditioning device comprises: a circuit in which a compressor, a flow path switching device, an indoor heat exchanger, a pressure reducing device, and a first outdoor heat exchanger and a second outdoor heat exchanger which are...
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WO/2023/177519A1 |
The present disclosure relates to a heating, ventilation, and air conditioning ("HVAC") system include a supply damper, a return damper, and a defrost damper which are operable to control a supply airflow, a return airflow, and a defrost...
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WO/2023/170743A1 |
This refrigeration cycle device comprises: a compressor; a flow path switching device; an indoor heat exchanger; a throttle device; a plurality of flow control valves; and a refrigerant circuit to which a plurality of outdoor heat exchan...
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WO/2023/170734A1 |
An air conditioning device according to the present disclosure comprises a refrigerant circuit having a compressor, a heat-source-side heat exchanger that functions as an evaporator, a refrigerant flow path switching device, a load-side ...
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WO/2023/165638A1 |
An air source heat pump unit having a de-icing structure. The air source heat pump unit mainly comprises a compressor (1), a four-way reversing valve (2), an air source heat exchanger (3), a throttling piece (4), a use side heat exchange...
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WO/2023/142458A1 |
The present invention relates to the technical field of air conditioning systems. Disclosed is a little-frosting-up air conditioner heat exchange system. When the temperature in a traditional air conditioner heat exchanger is lower than ...
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WO/2023/136459A1 |
The heat pump system uses air as a heat source, and may comprise: a compressor for compressing a refrigerant; a first heat exchanger for allowing heat exchange between the refrigerant and air; a second heat exchanger for allowing heat ex...
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WO/2023/135924A1 |
A heat exchange system (2) according to a first embodiment of the present disclosure comprises a heat exchanger (3) that comes into contact with air including moisture, and performs heat exchange between a refrigerant flowing in the inte...
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WO/2023/109798A1 |
Provided in the present invention is a refrigerator, which comprises: a cooling circuit, which implements a cooling loop of a refrigerant sequentially flowing through a compressor, a condenser and an evaporator to return to the compresso...
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WO/2023/110197A1 |
The invention relates to a method for operating a refrigerant circuit (10) of a motor vehicle, in which method a compressor (12) conveys a minimum mass flow of refrigerant and a parameter is detected which indicates a refrigerating perfo...
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WO/2023/105574A1 |
This freezer warehouse management system adjusts the temperature in a freezer warehouse by controlling a cooling device that can switch between cooling and defrosting operations. This freezer warehouse management system comprises a curre...
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WO/2023/103299A1 |
The present application discloses a refrigeration device and a refrigeration apparatus. The refrigeration device comprises a refrigeration member, and a conductive member spaced apart from the refrigeration member; the refrigeration memb...
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WO/2023/096880A1 |
A heat pump pool heater (HPPH) system is disclosed which may include a heat pump, a water temperature sensor, one or more evaporator sensors, and one or more supplemental heat sources. The HPPH system can determine that frost is forming ...
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WO/2023/090332A1 |
The present invention reduces the amount of time for a defrosting operation in a refrigeration cycle device. A heat exchanger (11) has a plurality of paths (PA1, PA2) for dividing the flow of a refrigerant with which a refrigeration cycl...
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WO/2023/083871A1 |
Disclosed is a method for de-icing a thermal conditioning system (100) that comprises: • a refrigerant circuit (2) comprising successively: • a compressor (3); • a bi-fluid heat exchanger (4); • a first expansion valve (31); • ...
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WO/2023/078081A1 |
A bidirectional throttle valve (100), and an air conditioning system (200) having the same. The bidirectional throttle valve (100) comprises a valve pipe (10). A first valve core (22) and the inner wall of a first valve opening (211) fit...
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WO/2023/074322A1 |
A heat pump cycle device according to the present invention includes a compressor (11), a branch portion (12a), a heating unit (13, 30), a heating-unit-side depressurizing unit (14c, 14e), a bypass channel (21a), a bypass-side flow rate ...
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WO/2023/071152A1 |
An air conditioner defrosting control method, a control apparatus, and an air conditioner. The air conditioner defrosting control method comprises: obtaining a current frost thickness of a first outdoor heat exchanger (2); and when the f...
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WO/2023/071227A1 |
An air conditioner and a control method therefor. An outdoor unit of the air conditioner comprises an outdoor heat exchange branch (11) and a defrosting branch (12) connected to the outdoor heat exchange branch (11); the outdoor heat exc...
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WO/2023/068500A1 |
An air conditioner disclosed herein comprises: an indoor unit including an indoor heat exchanger and an indoor fan; an outdoor unit connected to the indoor unit and including an outdoor heat exchanger, an outdoor fan, a compressor, an ex...
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WO/2023/060882A1 |
The present invention relates to an air conditioner, which comprises: a compressor, having an air intake opening and an exhaust opening; an outdoor heat exchanger, having a first connecting pipe in communication with an upper portion or ...
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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/2023/062908A1 |
An air conditioner according to one embodiment of the present invention comprises: a refrigerant circuit which has a compressor, an outdoor heat exchanger, an indoor heat exchanger, a decompressor that is disposed between the outdoor hea...
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WO/2023/058438A1 |
A heat source unit (10) comprises: a first switching valve (35) that switches between a first state where a high-low pressure gas connection pipe (3) and the discharge side of a compressor (11) are connected to each other and a second st...
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WO/2023/053577A1 |
This air conditioner includes: first metal pipes 26a, 26b; a second metal pipe 19a having a higher potential the first metal pipes; and a stainless steel first component 12 including first connecting parts 12a, 12b, and a second connecti...
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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/2023/053568A1 |
Provided is an air conditioner 1 that performs air conditioning by connecting an indoor unit 2 having a first heat exchanger 11 through which a refrigerant for performing heat exchange with indoor air flows, and an outdoor unit 3 having ...
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WO/2023/054843A1 |
A valve apparatus is disclosed. The valve apparatus according to an idea of the present invention comprises: a case which is open at the bottom thereof and within which an accommodation space is provided; a base plate which covers the op...
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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/2023/030544A1 |
Disclosed in the present invention are a carbon dioxide refrigerant gas pressurized circulation system, a circulation method, and a cooling and heating air conditioner. The system comprises: a carbon dioxide refrigerant pressurizer, used...
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WO/2023/029653A1 |
A defrosting control method for an outdoor unit of an air conditioner. The method comprises: acquiring a real-time heating capacity Q of an indoor unit of an air conditioner; acquiring a real-time mean power Qdfmean required for defrosti...
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WO/2023/029594A1 |
The present application relates to the technical field of smart home appliances, and discloses a method for defrosting a water heater. The method comprises: acquiring a defrosting temperature value; when the defrosting temperature value ...
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WO/2023/029522A1 |
A refrigeration system for a refrigerating and freezing device, the refrigeration system comprising: a refrigeration assembly, which is provided with a compressor and a plurality of evaporators that form a refrigeration circuit; and an a...
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WO/2023/029777A1 |
A refrigerating and freezing device (10), and a refrigeration system (200) therefor. The refrigeration system (200) comprises: a refrigeration assembly (210), comprising a compressor (211), at least one first evaporator (213), and a seco...
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WO/2023/005271A1 |
The present invention relates to a heat pump air conditioning system, a control method and a control device. The heat pump air conditioning system comprises: a compressor; an outdoor heat exchanger; and a bypass loop, wherein a first end...
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WO/2023/287031A1 |
The objectives of a refrigerator and an operation control method therefor, of the present invention, are to simultaneously provide three or more cooling paths and two or more hot gas paths and be capable of preventing excessive cooling o...
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WO/2023/287034A1 |
A refrigerator operation control method of the present invention is a control method for preventing excessive cooling of a second storage chamber, occurring if indoor temperature is in a low-temperature state during the operation of a re...
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WO/2023/287033A1 |
A refrigerator according to the present invention is manufactured so that a hot gas flow path is in contact with a recovery flow path, and thus, a refrigerant, which is returned to a compressor after defrosting an evaporator via the hot ...
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WO/2023/285652A1 |
A medical contact shock freezer (10) adapted for fast freezing a plurality of individual bags containing a medical liquid, notably blood plasma, the medical contact shock freezer comprising: - a first pair of freezing plates (11), at lea...
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