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WO/2024/079873A1 |
This air conditioning device (1) includes: an outdoor unit (2) having a compressor (10), an accumulator (50), and an outdoor heat exchanger (30); an indoor unit (4) having an indoor heat exchanger (80); and a relay (3) that relays or blo...
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WO/2024/079874A1 |
This air conditioner comprises: an outdoor machine having a compressor that compresses a refrigerant, an outdoor channel switching device that switches the connection direction of a piping through which the refrigerant discharged from th...
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WO/2024/074253A1 |
The invention relates to a reversible heat pump, in which the refrigerant is CO2, and to a method for operating such a pump. The invention is characterized in that the heat pump comprises a hot water distribution circuit (1) provided wit...
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WO/2024/071215A1 |
This refrigeration cycle device (1) comprises: a first circuit (5a) through which a first refrigerant circulates; a second circuit (10) through which a carbon dioxide refrigerant and a refrigeration machine oil circulate; a cascade heat ...
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WO/2024/070265A1 |
In a controller (60), a heat source-side heat exchanger (13) functions as a radiator, a first use-side heat exchanger (21) and a second use-side heat exchanger (31) function as an evaporator, and a second expansion mechanism (33) and a p...
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WO/2024/070197A1 |
This solid-state refrigeration device (1) performs a heating operation and a defrost operation. In the defrost operation, frost attached to a second heat exchanger (17) during the heating operation is removed. Solid-state refrigerant sub...
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WO/2024/058136A1 |
According to the present invention, when employing a refrigeration cycle circuit equipped with a heat storage device while employing a multi-stage refrigeration cycle, a sufficient amount of refrigerant in the refrigeration cycle circuit...
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WO/2024/051643A1 |
Provided in the present application is a heat pump system, comprising a compressor, a first heat exchanger, a second heat exchanger, a third heat exchanger and a valve device. The valve device comprises a first port, a second port, a thi...
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WO/2024/051642A1 |
Provided in the present application are a heat pump system and a four-way valve. The heat pump system comprises a compressor, a first circulation path, a second circulation path, a third circulation path and a four-way valve. The heat pu...
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WO/2024/047831A1 |
This refrigeration cycle device connects a compressor, a condenser, an expansion valve, and an evaporator via pipes and has a refrigerant circuit for circulating a mixed refrigerant having a temperature gradient. The refrigeration cycle ...
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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/2024/029567A1 |
Provided is a binary refrigeration device that performs a start-up operation rapidly, thereby making it possible to suppress a decrease in heating capability caused by worsening of the start-up operation. The present invention comprises:...
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WO/2024/023991A1 |
This refrigeration cycle device (100) comprises a refrigerant circuit (80) and a non-azeotropic refrigerant that flows through refrigerant pipes (51-56). When the non-azeotropic refrigerant passes through an outdoor heat exchanger (40A),...
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WO/2024/024659A1 |
In an air conditioner according to one embodiment, a refrigerant circuit for circulating a refrigerant has connected thereto: a compressor that compresses the refrigerant; an indoor heat exchanger; an outdoor heat exchanger; a heat stora...
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WO/2024/021439A1 |
The present application relates to the technical field of intelligent household appliances, and discloses a method for controlling an air conditioner. The air conditioner comprises an outdoor variable shunt heat exchanger, and a control ...
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WO/2024/015195A1 |
The present disclosure relates to a HVAC system operable to use a refrigerant in a refrigerant circuit to heat or cool an indoor space and includes a defrost circuit connected to the refrigerant circuit. The defrost circuit includes a fi...
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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/2024/001386A1 |
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/2023/248868A1 |
This heat pump cycle apparatus comprises: a compressor (11); an upstream-side branching part (12a); a heating unit (13); an outside air heat exchanging unit (15); an upstream-side decompression unit (14a); a downstream-side decompression...
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WO/2023/243367A1 |
[Problem] To achieve both defrosting of an outdoor heat exchanger and heating of the interior of a cabin, and to perform both defrosting and heating sufficiently without decreasing air-conditioning efficiency. [Solution] This vehicle air...
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WO/2023/238181A1 |
This air conditioning device is provided with a control device which controls the opening degrees of a first throttle device and a second throttle device on the basis of a temperature measured by a first temperature measurement unit duri...
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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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