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WO/2014/102934A1 |
A heat pump hot water heater (10) equipped with a refrigerant circuit (20), a water circuit (30), and a control unit (40). The refrigerant circuit has a first heat exchanger (21) that exchanges heat between air and a refrigerant, a secon...
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WO/2014/098724A1 |
Method and device for defrosting of an evaporator (1) in a heat pump (2), in connection to an air handling unit (9), and where the air handling unit (9) comprises a controllable heat recovery device (10). The heat pump (2) comprises a re...
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WO/2014/091548A1 |
A control device (50) controls a bypass solenoid valve (140) and a hot water supply throttling means (119) during a defrost operation on the basis of the temperature of a refrigerant detected by a first temperature sensor (27), and the t...
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WO/2014/091972A1 |
[Problem] To provide: a heat exchanger that improves heating performance by improving both pressure loss and heat-absorption loss at the time of refrigerant circulation during heating, and in which the heat exchanger and the refrigerant ...
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WO/2014/087893A1 |
In order to prevent drain water generated in a heat-source-side heat exchanger from refreezing, a heat-source-side heat exchanger (8) of an air-conditioning device (1) comprises multiple divided heat exchangers (17a-17c) having mutually ...
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WO/2014/083932A1 |
A water heating system (10) comprises a first refrigerant circuit (20), a second refrigerant circuit (30), a water circuit (40), and a control unit (50). The first refrigerant circuit has a first heat exchanger (22) and a second heat exc...
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WO/2014/085476A1 |
In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on ...
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WO/2014/083650A1 |
A heat source heat exchanger (12) has: fins (61, 62) which are arranged with gaps therebetween so that air passes through the gaps; and heat transfer pipes (64, 65) which penetrate through the fins (61, 62), and through the inside of whi...
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WO/2014/085492A1 |
Frost may accumulate on a heat pump. In various implementations, a primary defrost operation and/or a secondary defrost operation may be utilized to remove at least a portion of the frost from the heat pump.
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WO/2014/083867A1 |
The present invention is equipped with: a primary circuit, in which a compressor (1), an indoor heat exchanger (3), a first flow volume control device (4), and multiple parallel-connected parallel heat exchangers (5-1, 5-2) are sequentia...
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WO/2014/080612A1 |
The present invention comprises: a refrigerant circuit (2) obtained by sequentially connecting a compressor (21), a heat radiator (22), a supercooling heat exchanger (23), a main expansion device (24), and an evaporator (25) in a loop by...
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WO/2014/073691A1 |
[Problem] To provide a vehicle air conditioner that can reduce electricity consumption by improving the accuracy of frost determination on an outdoor heat exchanger, maintaining heating performance, and avoiding unnecessary defrosting. [...
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WO/2014/068833A1 |
The present invention prevents the occurrence of refrigerant noise when restoring heating operation. An air conditioner (1) is provided with a refrigerant circuit (20) that is filled with R32 as a refrigerant, and is configured to be swi...
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WO/2014/065548A1 |
An air conditioner is disclosed. The air conditioner includes an indoor unit, a first outdoor unit including a first outdoor heat exchanger and a first compressor to be driven by electricity, a second outdoor unit including a second outd...
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WO/2014/061132A1 |
An air conditioner (1): is provided with a compressor (21), an outdoor heat exchanger (23), indoor heat exchangers (42a, 42b), and a refrigerant circuit (10) having a stored-heat heat exchanger (28) that exchanges heat between a refriger...
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WO/2014/061131A1 |
An air conditioner (1): is provided with a compressor (21), an outdoor heat exchanger (23), indoor heat exchangers (42a, 42b), and a refrigerant circuit (10) having a stored-heat heat exchanger (28) that exchanges heat between a refriger...
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WO/2014/061134A1 |
An air conditioner (1): is provided with a compressor (21), an outdoor heat exchanger (23), indoor heat exchangers (42a, 42b), and a refrigerant circuit (10) having a stored-heat heat exchanger (28) that exchanges heat between a refriger...
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WO/2014/061133A1 |
An air conditioner (1): is provided with a compressor (21), an outdoor heat exchanger (23), indoor heat exchangers (42a, 42b), and a refrigerant circuit (10) having a stored-heat heat exchanger (28) that exchanges heat between a refriger...
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WO/2014/040854A1 |
The invention relates to a thermal conditioning device (1) comprising a coolant circuit (2) and a heat transfer fluid circuit (3), characterized in that the heat transfer fluid circuit (3) comprises a control means (14) for controlling t...
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WO/2014/038470A1 |
When a plurality of chiller units (100) are running in hot water operation, this heat pump chiller (1000) performs defrost operation on at least one chiller unit (100) at a time alternately while having at least one chiller unit (100) co...
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WO/2014/029316A1 |
Disclosed are a heat pump with a defrosting structure and a defrosting method thereof. The heat pump with a defrosting structure comprises: a compressor (1), an indoor heat exchanger (8), at least two outdoor heat exchangers (31, 32), a ...
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WO/2014/024838A1 |
This cascade refrigeration equipment is provided with: a high-temperature refrigeration circuit (20) constituting a high-temperature-side refrigerant circuit wherein pipes connect a high-temperature-side compressor (21), a high-temperatu...
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WO/2014/020651A1 |
An air-conditioning device for which an outdoor heat exchanger (5) is divided into parallel heat exchangers (5-1, 5-2), and a portion of the refrigerant discharged from a compressor (1) is supplied alternately to the parallel heat exchan...
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WO/2014/010482A1 |
Provided is a vehicle air-conditioning device with which frost formed on an external heat exchanger can be reliably removed, without increasing the number of components and occupancy space. During a heating operation, in cases when it is...
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WO/2014/010483A1 |
Provided is a vehicle air-conditioning device with which frost formed on an external heat exchanger can be reliably removed, without increasing the number of components and occupancy space. During a heating operation, in cases when it is...
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WO/2014/002357A1 |
The control unit (61) executes a first defrost operation of stopping the compressor (51), opening the refrigerator damper (32), closing the freezer damper (35), driving the evaporator fan (31), and turning on the defrost heater (63) so t...
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WO/2013/192069A1 |
Compositions are disclosed which contain a refrigerant component consisting essentially of at least one refrigerant having an OEL less than 400; and a combination of refrigerants, each having an OEL greater than 400, consisting essential...
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WO/2013/189076A1 |
A refrigeration device, a refrigeration system and a defrosting control method for the refrigeration device. The refrigeration system comprises: a first refrigeration branch(10), the first refrigeration branch comprises a first compresso...
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WO/2013/177305A1 |
Heat pumps with improved defrost cycles and methods of defrosting heat exchangers, for example, having microchannel outdoor heat exchangers. A heat exchanger has three types of connection points that are used during a defrost cycle. Two ...
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WO/2013/172649A1 |
The present invention relates to a cold storage device using brine circulation, which significantly improves freezing efficiency by increasing a heating area of air and which has high defrosting efficiency. The present invention comprise...
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WO/2013/172166A1 |
During a heating operation, heat is captured from both the air and the ground by operating both of the following as vaporizers: an atmospheric-heat-source heat exchanger (5a) for performing a heat exchange with the air as the heat source...
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WO/2013/171971A1 |
A heating system control method comprises an acquisition step (S101) of acquiring an output suppression command that denotes an output suppression time period, defrosting condition decision steps (S102, S103) of deciding on a first defro...
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WO/2013/171803A1 |
During a heating operation, heat is captured from both the air and the ground by operating both of the following as vaporizers: an atmospheric-heat-source heat exchanger (5a) for performing a heat exchange with the air as the heat source...
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WO/2013/160974A1 |
A heating system control method that includes: an acquisition step (S101) wherein an output suppression instruction indicating an output suppression time slot is obtained; a defrosting determination step (S102) wherein a determination is...
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WO/2013/161256A1 |
In an embodiment of the present invention a vehicle air conditioner (1) is equipped with a first cycle (10) and a second cycle (20) which function as a heat pump device. The first cycle is equipped with an earlier-stage compressor (13) a...
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WO/2013/151005A1 |
Provided is a composite dual refrigeration cycle device provided with: two high-temperature side refrigeration circuits respectively having water/refrigerant heat exchangers for heat exchange of water and a refrigerant discharged from a ...
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WO/2013/146415A1 |
A heat pump-type heating/hot-water supply machine has: a refrigeration circuit (21) which has a condenser (26) for exchanging heat between a refrigerant and fluid to be heated, an evaporator (27) for exchanging heat between a refrigerant...
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WO/2013/140479A1 |
A method for controlling a heating system, comprising: an acquisition step (S101) for acquiring an output suppression command from a power supply source; an advance defrosting assessment step (S102) for assessing whether or not the state...
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WO/2013/132046A1 |
The invention relates to a device and a method for icing prevention regulation for a heat pump evaporator (3) in air conditioning systems of vehicles, composed of a subsection (1) of a refrigerant circuit which can be operated both as a ...
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WO/2013/128897A1 |
The purpose of the present invention is to reduce temperature changes in blown-out air which is blown-out into the interior of a vehicle, thus reducing the likelihood of passengers experiencing any discomfort, when defrosting a heat exch...
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WO/2013/120735A1 |
The invention relates to a refrigeration machine, in particular for a domestic refrigeration device, comprises a compressor (7), a condenser (9), and an evaporator (10), which are connected to each other in a closed refrigerant circuit, ...
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WO/2013/111177A1 |
A portion of coolant discharged from an injection compressor (1) is made to pass through a first bypass pipe (21) by means of a first flow path switchover device (A) and supplied to an external heat exchanger (9b) to be defrosted, and a ...
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WO/2013/106174A1 |
A refrigeration system having a cooling circuit, a heating circuit, a pressurizing receiver tank circuit, a pilot circuit and a liquid injection circuit wherein the hot gas line includes a solenoid valve that connects an outlet of a comp...
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WO/2013/099163A1 |
This heat storage device is equipped with: a heat storage tank (32) disposed so as to surround a substantially cylindrical compressor (6), the inside of said heat storage tank being filled with a heat storage medium (36) for storing heat...
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WO/2013/088684A1 |
An air conditioner is provided with: a refrigeration cycle formed by interconnecting a compressor (6), a four-way valve (8), an indoor heat exchanger (16), an expansion valve (12), an outdoor heat exchanger (14), and the four-way valve (...
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WO/2013/088734A1 |
A refrigerating cycle device uses a coolant having a global warming coefficient of 750 or less as a coolant for circulating through a compressor, an inside heat exchanger, an expansion valve, an outside heat exchanger, and an accumulator...
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WO/2013/084463A1 |
A heat pump cycle (2) is provided with a refrigerant circuit (10) and a cooling water circuit (40). A heat exchanger 70 and a heat exchanger 80 are disposed between the refrigerant circuit (10) and the cooling water circuit (40). The hea...
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WO/2013/084736A1 |
Provided is a vehicle air-conditioning device capable of reliably removing frost adhering to an outdoor heat exchanger without increasing the number of components and the occupied space. When it is determined during a heating operation t...
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WO/2013/084462A1 |
A heat pump cycle (2) is provided with a refrigerant circuit (10) and a cooling water circuit (40). A heat exchanger (70), which exchanges heat between a refrigerant (RF), cooling water (WT) and air (AR), is disposed between the refriger...
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WO/2013/084510A1 |
A refrigeration device (10) for a container is provided with a refrigerant circuit (20) which performs a refrigeration cycle and which has a hot gas bypass circuit (22), and is intended to perform a bypass operation in which compressed r...
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