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JP5629280B2 |
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JP5627417B2 |
To provide a binary refrigeration device which can reduce a refrigerant filling amount of a low-temperature refrigeration cycle and which can realize cost reduction and improve reliability.The binary refrigeration device 100 has an outdo...
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JP2014196869A |
To provide a cascade refrigeration system using refrigerant compositions free from ozone depletion problems, low in power value, capable of achieving a temperature as low as -80°C, capable of energy saving operation, and excellent in re...
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JP5595245B2 |
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JP5592508B2 |
Provided is a cascade heat pump. The cascade heat pump includes a first refrigerant cycle including a first compressor and a first indoor heat exchanger, a second refrigerant cycle including a second compressor and a second indoor heat e...
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JP5585003B2 |
A refrigerating apparatus including a first refrigeration cycle circuit having a first compressor, a first radiator, a supercooler, a first pressure-reducing device and an evaporator that are connected through a refrigerant pipe, a secon...
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JP5582294B2 |
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JP5575192B2 |
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JP5575191B2 |
A two-stage refrigeration apparatus includes a high-stage refrigeration cycle 20 including a high-stage-side refrigerant circuit including a high-stage-side compressor 21, high-stage-side condenser 22, high-stage-side expansion valve 23,...
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JP5570364B2 |
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JPWO2012161325A1 |
The heating device of this embodiment is equipped with a dual refrigeration cycle including a high temperature side refrigeration circuit (Ra) and a low temperature side refrigeration circuit (Rb) in the same housing (K), and is a water ...
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JP5557830B2 |
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JP5551882B2 |
A heat pump system (1) includes a heat-source-side refrigerant circuit (20) which has a heat-source-side compressor (21), a first usage-side heat exchanger (41a) which functions as a radiator of a heat-source-side refrigerant, and a heat...
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JP5542722B2 |
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JP5530904B2 |
To provide a binary refrigeration cycle apparatus capable of performing defrosting at a high speed, without cooling targeted heating objects that have been heated by a radiation heat exchanger at the time of heating operation.This appara...
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JP5527043B2 |
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JP5512339B2 |
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JP5512190B2 |
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JP5506638B2 |
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JP5495526B2 |
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JP5498512B2 |
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JP5492346B2 |
An air-conditioning and hot-water supply system that enables enhancing the efficiency of the whole air-conditioning and hot-water supply system is provided. A refrigerant circuit for air conditioning (10) is provided with a compressor fo...
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JP5492347B2 |
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JP5488816B2 |
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JPWO2012066763A1 |
High temperature side first compressor 11A, high temperature side first condenser 12A, high temperature side first throttle device 13A, high temperature side first cycle 10A with high temperature side first evaporator 14A, high temperatu...
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JP5483129B2 |
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JP5482519B2 |
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JP5482689B2 |
To save energy by transferring waste heat of an ammonia refrigerant circuit to a carbon dioxide refrigerant circuit side for cooling and recovering the waste heat of the ammonia refrigerant circuit to use for defrosting.A carbon dioxide ...
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JP2014074508A |
To provide a cascade heat exchanger capable of switching a unit cycle operation and a cascade cycle operation without newly adding an auxiliary evaporator or a fan that is not used in a normal cascade cycle system.In a cascade cycle syst...
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JP2014074507A |
To provide a cascade cycle capable of switching a unit cycle operation and a cascade cycle operation without newly adding an auxiliary evaporator or a fan that is not used in a normal cascade cycle system.A cascade cycle system 100 compr...
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JP2014070832A |
To provide a refrigerator, which is an ultra-low temperature refrigerator for storing cells and microbes by cooling inside of the refrigerator at ultra-low temperature, free from a concern about an ozone destruction coefficient and a glo...
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JP2014055753A |
To suppress degradation of heating performance due to deterioration of start-up by suppressing loss in starting up a refrigerating cycle in a binary refrigeration device.In a binary refrigeration device, a low order-side refrigerating cy...
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JP5455521B2 |
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JP5452845B2 |
A refrigeration system comprising at least one refrigeration cycle having a mixed component refrigerant free of chlorofluorocarbons, hydrochlorofluorcarbons, fluorocarbons, hydrofluorocarbons, fluoroethers, and hydrocarbons and comprisin...
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JP5441949B2 |
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JP5430604B2 |
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JP5434206B2 |
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JP5436631B2 |
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JP2014037928A |
To provide a refrigeration cycle device having a high-temperature side refrigeration cycle and a low-temperature side refrigeration cycle constituting a dual refrigeration cycle, and to reduce a sliding loss by improving a wear resistanc...
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JP2014037911A |
To provide a cascade heat pump cycle capable of keeping the almost same flow rate of a refrigerant in each refrigerant circuit regardless of a high load condition and a low load condition, keeping a compression ratio of each compressor a...
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JP5412129B2 |
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JPWO2012043297A1 |
A two-way refrigeration cycle is composed of a low-temperature side refrigeration cycle (Rb) that requires a four-way switching valve (11) and a high-temperature side refrigeration cycle (Ra) that does not require a four-way switching va...
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JP5409747B2 |
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JP5402564B2 |
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JP5393433B2 |
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JP2014009829A |
To provide a refrigeration cycle device having excellent control stability and power saving property.In a refrigeration cycle device 1A which is provided with a dual refrigeration cycle in which a heat source side refrigerant circuit 2 w...
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JP2014005962A |
To provide a refrigeration cycle device superior in stability in control, and energy-saving performance.In a refrigeration cycle device 1A including a binary refrigeration cycle in which a heat source-side refrigerant circuit 2 exchangin...
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JP2014005961A |
To provide a refrigeration cycle device of high stability, improved in followability to change of a refrigeration cycle state.The refrigeration cycle device includes a low temperature-side refrigeration cycle 110 having a low temperature...
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JP2013257105A |
To provide a refrigeration cycle device capable of stably maintaining a temperature of a heat medium.A refrigeration cycle device has a first refrigeration cycle (110, 120) having a first heat exchanger used for exchanging heat with a he...
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JP5373964B2 |
Disclosed is an air-conditioning hot-water-supplying system that enables cooling and dehumidification by a natural circulation cycle even if the outside temperature is at least the indoor dew point. The air-conditioning hot-water-supplyi...
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