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JP6507635B2 |
To provide a heat storage type air conditioner capable of recovering surplus heat in heating of a room, and capable of surely performing heating of a room and heat storage of hot heat of a heat storage medium according to an operation co...
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JP2019066097A |
To provide an air conditioning device that can suitably control a degree of superheat of a refrigerant passed through an evaporator.An air conditioning device comprises a compressor 12, an outdoor condenser 13, a cooling expansion valve ...
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JP2019052821A |
To provide an air conditioner capable of suitably controlling an overheat degree of a coolant which has passed through an evaporator.An air conditioner includes: a compressor 12; a plurality of condensers 13, 22 connected with each other...
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JP6496434B1 |
To provide an air conditioner capable of performing a dehumidifying and heating operation for dehumidifying while maintaining a heating state. An air conditioner 100 uses a compressor 21, an outdoor heat exchanger 23, an evaporator 25 fo...
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JP6492580B2 |
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JP6485881B2 |
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JP6478500B2 |
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JP2019032131A |
To materialize necessary freezing performance by ensuring the radiation amount of a refrigerant even when the temperature of atmosphere that is a heat source rises, and to improve the freezing performance regardless of atmosphere tempera...
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JP2019023023A |
To provide a vehicle air conditioner which can warm up a vehicle cabin with heat of a battery and prevent deterioration of heating performance caused by reduction of a circulating refrigerant.A vehicle air conditioner includes a battery ...
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JP6465212B2 |
A refrigeration cycle device includes a pre-evaporator decompression unit that decompresses refrigerant which flowed out from an exterior heat exchanger, and an evaporator passage that guides the refrigerant which flowed out from the ext...
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JP6463470B2 |
This refrigeration apparatus 100 comprises: a first refrigerant circuit 50 which circulates a first refrigerant therethrough; and a second refrigerant circuit 60 which circulates a second refrigerant therethrough. The first refrigerant c...
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JP6465987B2 |
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JP6458456B2 |
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JP2019010994A |
To perform appropriate air volume control in accordance with an outside air temperature.In an air conditioner 100, a controller 10 calculates a temperature difference ΔT between an outside air temperature Tam detected by an outside air ...
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JP6447232B2 |
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JP2018204814A |
To prevent a deficiency in heating capability without rise in cost.An indoor machine in heating operation comprises: a detection part 42 which detects whether heating capability is deficient; and a control part 43 which fully opens, when...
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JP6445366B2 |
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JP6432046B2 |
This air conditioning device for vehicle includes a first water-refrigerant heat exchanger which performs a heat exchange between a coolant and a low-temperature and low-pressure refrigerant, and vaporizes the refrigerant, a compressor w...
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JP6432339B2 |
A refrigeration cycle device is configured to be selectively switchable between an air-cooling first refrigerant circuit that causes refrigerant to flow out of a liquid-phase refrigerant outlet of a gas-liquid separator, and an air-heati...
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JP6433582B2 |
Obtain a capability improvement in accordance with reductions of the number of components and a processing cost, effective arrangements of air heat exchangers and the like, and reductions of coolant circuit pressure loss components. A he...
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JP6431393B2 |
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JP2018184110A |
To hinder occurrence of water vapor in defrosting of an outdoor heat exchanger.A pump 16 circulates cooling water into a cooling-water circulation passage 12 including a radiator 32. An electric fan 64 sends a current of air to an outdoo...
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JP2018185069A |
To avoid the generation of a liquid back phenomenon while adjusting the refrigeration capacity to a desired size.A coolant circuit arrangement comprises: a main circuit 30 in which a chiller 34, a compressor 31, a radiator 32, an auxilia...
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JP6426024B2 |
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JP2018171984A |
To provide an improved vehicular air conditioner using a common refrigerant during cooling and heating.A vehicular air conditioner 1A includes: a first refrigerant circuit that has a refrigerant flow passage for circulating a refrigerant...
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JP2018173197A |
To inhibit comfortableness from being impaired by warm air unexpectedly blown into indoor in switching between operations, in a refrigeration device (1) that includes an indoor heat exchanger (22) and a refrigeration heat exchangers (32,...
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JP6420166B2 |
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JP6415701B2 |
A refrigeration cycle apparatus includes a heat source unit configured to supply refrigerant, a first distribution unit and a second distribution unit respectively connected to the heat source unit, and a distribution pipe located betwee...
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JP2018161935A |
To provide a vehicular air conditioner capable of sufficiently obtaining a performance improvement effect by an injection circuit even when a refrigerant circulation amount is relatively largely fluctuated.A vehicular air conditioner 1 i...
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JP6407522B2 |
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JP6405521B2 |
A heat-pump hot water generator including: a refrigerant circuit 8 formed by annularly connecting, to one another, a compressor 4, a radiator 5 in which refrigerant and heating medium exchange heat, decompressing means 6 and an evaporato...
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JP6401622B2 |
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JP6403892B2 |
A multiple-type air conditioner (100) is provided with a first indoor unit (110A) and a second indoor unit (110B). When the first indoor unit (110A) is stopped and the second indoor unit (110B) operates with a second indoor heat exchange...
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JP6394472B2 |
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JP6395930B2 |
In an air conditioner according to the present invention, a second branching section and a heat exchange section are formed integrally by a multilayer plate in which a plurality of plate members are layered. The multilayer plate and a va...
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JP6394116B2 |
To enable refrigerant recovery from a utilization unit where refrigerant leakage is detected to a heat source unit while continuing the operation of other utilization units where refrigerant does not leak in a heating/cooling simultaneou...
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JP6391838B2 |
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JP6390374B2 |
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JP6388260B2 |
To provide a refrigeration device capable of exerting an exhaust heat recovery effect sufficiently while protecting compression means from increase of high pressure side pressure and the like.A refrigeration device includes: an electric ...
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JP6389703B2 |
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JP6389704B2 |
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JP6388670B2 |
In a heat exchanger, a first heat exchange unit is formed by curving a third heat exchange unit having a planar shape through L-shape bending, and a second heat exchange unit is formed by curving a fourth heat exchange unit having a plan...
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JP6387271B2 |
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JP6379769B2 |
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JP6380265B2 |
A refrigeration cycle device includes a first refrigeration cycle circuit (1), a second refrigeration cycle circuit (2), a hot water circuit (5) that cools a heat source (3), a first water-refrigerant heat exchanger (13) that performs a ...
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JP6383610B2 |
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JP6375796B2 |
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JP6373531B1 |
The heat pump device (100) includes a heat exchanger (14) on the user side that exchanges heat between the heat medium (19) discharged from the heat storage heat exchanger (12) and the heat utilization medium (39), and heat. The first fl...
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JP2018124036A |
To provide a heat pump device which can enhance heating capacities of a first heat medium and a second heat medium.A refrigerant which is pressurized into a critical state by a first compressor 31 and a second compressor 32 flows in a fi...
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JP6369980B2 |
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