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JP2012215353A |
To provide a dual refrigeration cycle device having low-temperature side and high-temperature side refrigeration cycles that operate using different compressors, thereby increasing input energy necessary for the operation and energy effi...
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JP5054180B2 |
A unitary-side heat pump unit is configured so that a refrigerant circulates sequentially through a first compressor, a first heat exchanger, a cascade heat exchanger, a first expansion valve and an evaporator, and heat exchange with hea...
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JP5058348B2 |
To further 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...
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JP5049888B2 |
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JP5052631B2 |
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JP2012193908A |
To provide a dual refrigerating cycle device including a dual refrigerating cycle, the dual refrigerating cycle device reducing a flash gas at an inlet of an expansion device in a high-temperature side refrigeration circuit.The high-temp...
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JP5042262B2 |
A configuration provided with a heat source unit A, an indoor unit B, a circuit D for a hot-water supply heat source provided with a refrigerant - refrigerant heat exchanger 41 and throttle means 119 for the hot-water supply heat source,...
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JP5037838B2 |
Disclosed is an air conditioner that can operate in a general cooling mode in which indoor air is cooled by heat exchange with a first refrigerant in a main evaporator, or alternatively in a fast cooling mode in which the indoor air is p...
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JP5033337B2 |
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JPWO2010109619A1 |
Provided is a load-side relay unit that accommodates a plurality of heat exchangers and control boards and has an optimum air passage design, and an air-conditioning hot water supply complex system equipped with the unit. The load-side r...
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JP5026736B2 |
There is disclosed a refrigeration apparatus including a cascade heat exchanger and capable of reducing the depth dimension of the apparatus itself without being influenced by the thickness dimension of an insulating material for coverin...
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JP5017611B2 |
To provide an earth-conscious refrigerating device capable of suppressing cost increase of the refrigerating device. This refrigerating device includes a plurality of adsorption units (first and second adsorption units 8, 18) respectivel...
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JP2012149883A |
To provide a heat pump device capable of heating water to a high temperature by connecting one or more load-side units to one heat source-side unit.A water heater 100 (heat pump device) includes: a heat source-side unit 10, which mounts ...
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JP2012133503A |
To provide an automatic dispenser including a separate cooling system and a cooling/heating system, in which functional units are disposed in a machine chamber so as to increase the chamber cooling efficiency of the cooling system and th...
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JP2012132573A |
To prevent frost formation of an evaporator in a refrigeration circuit 2 at a low temperature side, or to defrost thereof while preventing degradation in operation capacity for heating/hot water supply in a cascade-type heat pump system....
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JP4973872B2 |
A CO 2 refrigerator that is safe, permitting simultaneous drawout of high-temperature heat source and low-temperature heat source and low-temperature heat source with a temperature difference therebetween, and that attains stabilization ...
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JP2012127514A |
To provide a refrigerator-freezer being further excellent in energy saving by eliminating the number of defrosting frequency corresponding unnecessary defrosting during defrosting a second evaporator of the refrigerator-freezer loading b...
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JP2012127648A |
To provide a heat pump apparatus capable of heating water to high temperature by having one or more load side units connected to one heat source side unit.A water heater 100 (heat pump apparatus) includes a heat source side unit 10 mount...
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JP4970084B2 |
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JP4970170B2 |
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JP2012087952A |
To provide a refrigerator freezer that decreases the frequency of unnecessary defrosting when defrosting a second evaporator of a refrigerator freezer with a cascade refrigerating cycle and is superior in energy saving.The refrigerator f...
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JP2012073008A |
To provide a high-COP refrigeration cycle while supercooling a refrigerant flowing in an expansion device of a low temperature-side refrigeration cycle, in the refrigeration cycle device provided with a multiple refrigeration cycle.A low...
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JP4912564B2 |
A gas liquefaction plant includes a pre-cooling exchanger which pre-cools a feed gas by means of indirect heat exchange with a first refrigerant; a first refrigerant compressor which compresses the first refrigerant which has been used f...
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JP4915680B2 |
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JP2012042177A |
To provide a heat pump type hot water generator achieving high efficiency and high stability of the temperature of hot water.The heat pump type hot water generator includes: a low temperature-side refrigerating cycle A successively conne...
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JP2012032148A |
To provide a refrigeration system that uses a non-reactive refrigerant and achieves temperatures lower than achievable by conventional refrigerants.The refrigerant system includes at least one refrigeration cycle that has a mixed compone...
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JP2012008828A |
To provide an automatic vending machine equipped with a cooling/heating system and capable of further reducing power consumption.An automatic vending machine comprises: a dedicated cooling system 81 consisting of a first compressor 57, a...
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JP2011257036A |
To provide a temperature adjustment device using multiple turbo freezers, which suppresses efficiency degradation in a simple configuration, when driving a temperature adjustment object to raise temperature.The device includes: turbo fre...
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JP4815286B2 |
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JP4804396B2 |
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JP4794511B2 |
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JP4786599B2 |
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JP2011163713A |
To provide a refrigeration system capable of achieving stable operation without causing overload and poor cooling in the refrigeration system by controlling a supply amount of carbon dioxide to a cooler to be constant so that evaporation...
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JP4754076B2 |
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JP4753719B2 |
In a refrigerator having a coolant cooling means for cooling a coolant at the entrance of a flow control valve therein, when the cooling amount in the coolant cooling means is deficient as well as excessive, the COP has decreased. The re...
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JP2011522208A |
A multi-refrigerant cooling system comprising a cooling circuit (100) for circulation of a refrigerant mixture. The cooling circuit comprises, i.a., one or more separator(s) (102, 103) configured to separate and withdraw a respective ref...
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JP4734611B2 |
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JP4720666B2 |
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JP4720534B2 |
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JP2011133224A |
To provide a refrigerating device capable of quickly collecting a refrigerant in a refrigerant circuit at the stop of a compressor into an expansion tank and reducing a load added to the compressor in restarting.The refrigerating device ...
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JP4707944B2 |
A method for refrigerating a high temperature superconducting device (70) to maintain superconducting operating conditions wherein a first heat transfer means such as a first heat transfer fluid (41,150) is cooled to a temperature greate...
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JP4699722B2 |
The system has multi-type air conditioners (100) with indoor devices for air conditioning disposed in respective rooms and a small number of outdoor devices shared between the indoor devices. The central controller transmits a control gr...
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JP2011106718A |
To provide a heat pump chiller reduced in an HFC (hydrofluorocarbon)refrigerant charging amount.A first refrigerant circuit 10 includes a compressor 11, an outside air-side heat exchanger 14, an expansion valve 12, a heat exchanging regi...
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JPWO2009098751A1 |
Provided is a heat pump device capable of heating water to a high temperature by connecting one or a plurality of load side units to one heat source side unit. The air-conditioning hot water supply complex system 100 (heat pump device) i...
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JP4660334B2 |
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JP4651255B2 |
The development of a substitutable refrigerant composition that enables a conventional refrigerating circuit to maintain its performance without changing the circuit configuration has been demanded. An object of the present invention is ...
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JP2011038748A |
To exhibit a high performance coefficient without increasing a compression ratio even at high temperature in summer, in a refrigerating machine using carbon dioxide as a refrigerant.A high-pressure gas of carbon dioxide compressed by a c...
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JP4599910B2 |
A hot water supply system (10) is provided which includes a first refrigerant circuit (20), an intermediate temperature water circuit (40), a second refrigerant circuit (60), and a high temperature water circuit (80). The first refrigera...
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JP2010271000A |
To provide a freezing-refrigerating system having a new configuration interconnecting both cycles via a heat storage tank to eliminate the "synchronism of cooling actions of respective refrigerating cycles on low and high temperature sid...
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JP2010249444A |
To provide a freezer-refrigerator capable of reducing power consumption.This freezer-refrigerator comprises a refrigeration compartment 2 for refrigerating and storing an object to be stored, a freezing compartment 4 for freezing and sto...
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