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JP2010281496A |
To provide a refrigerating device which securely makes a refrigerating cycle highly efficient regardless of a heat load in a gas cooler or a change in a heat exchanging amount in an internal heat exchanger.The refrigerating device (1) in...
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JP2010266118A |
To solve the problem in an existing temperature regulation apparatus that the operation of a compressor is liable to become unstable when a set temperature is changed considerably or when an air or water temperature drops in winter. A te...
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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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JP2010249499A |
To provide a suction line heat exchanger operated in a vapor compression cycle for cooling a refrigerant.The SLHEX (suction line heat exchanger) 10 includes a heat exchanger core part 21 constituted of a plurality of plates 22, 23. The f...
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JP2010230256A |
To provide a refrigerant-to-refrigerant heat exchanger capable of improving heat exchanging efficiency by generating turbulence due to impinging flow in one of refrigerants exchanging heat, and suppressing vibration and noise by improvin...
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JP2010197007A |
To provide a heat pump system capable of improving operational efficiency of a heat pump cycle in a case of coping with a plurality of heat loads by a heat pump cycle applying a multistage compression system.A heat pump circuit 10 in whi...
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JP4539769B2 |
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JP4542054B2 |
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JP4539770B2 |
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JP2010526982A |
The present disclosure relates to a vapor compression heat transfer system comprising an intermediate heat exchanger in combination with a dual-row evaporator and a dual-row condenser.
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JP4519403B2 |
The condensing apparatus in a refrigeration cycle includes a condenser having a condensing portion and a receiver-dryer. The receiver-dryer includes a tank main body, a desiccant-filled-portion arranged so that an upper space is formed a...
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JP2010164257A |
To provide a refrigerating cycle device improving average capacity and an average COP to save energy by reducing a change range between refrigerant distribution during normal operation and refrigerant distribution during defrosting opera...
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JP2010144965A |
To reduce manufacturing costs and improve operation efficiency in a heat pump type hot-water heater. An evaporator 10 is formed by a fin tube type heat exchanger, and a radiator 23 is provided in a refrigerant circulation circuit between...
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JP4492017B2 |
When the first pressure reducing device 161 is fixed to the accumulator tank 140 and the internal heat exchanger 150 is housed in the accumulator tank 140, the accumulator, the first pressure reducing device 161 and the internal heat exc...
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JP4483627B2 |
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JP2010127498A |
To sufficiently improve COP in a vapor compression type refrigerating cycle device including an internal heat exchanger.A valve opening of a temperature type expansion valve 15 is adjusted so that a degree of superheat of a low-pressure ...
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JP4451312B2 |
The climate-control unit has a compression refrigeration circuit for the air-conditioning operating mode, provided with a high pressure region, a suction region and a standstill climatization circuit with a compressor (1), an expansion v...
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JP2010078190A |
To provide a liquid receiver of high refrigerant storing performance, and a heat exchanging device including the same.This liquid receiver storing a liquid-phase refrigerant condensed by a condensing section 110, and supplying the stored...
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JP4445264B2 |
The heating-cooling circuit for motor vehicle air conditioning has an evaporator (14) for cooling air to be fed into an interior space and a heat exchanger (16) for heating the air to be fed into the interior space. An external heat exch...
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JP4420225B2 |
A compression refrigeration system that includes a compressor, a heat rejector, expansion means and a heat absorber connected in a closed circulation circuit that may operate with supercritical high-side pressure.
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JP2010038462A |
To simplify a configuration of a portion for storing an expansion valve between a double-pipe heat exchanger in which a high-temperature high-pressure refrigerant is made to flow outside an inner pipe and an evaporator.As an internal hea...
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JP2010032157A |
To provide a refrigeration cycle device providing refrigerating capacity not so different from the existing refrigerant while providing advantage of a new refrigerant, and not impairing durability.This refrigeration cycle device 100A inc...
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JP4410980B2 |
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JP4407870B2 |
To restrain the deterioration of efficiency of a refrigerating cycle, in the low-pressure side refrigerant pipeline of an ejector cycle due to heat exchange with the outdoor air. Both of refrigerant pipelines P1, P2 are covered by a heat...
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JP2010014386A |
To individually adjust a cooling capacity of each evaporator in a refrigerating device in which the evaporators are connected to suction ports which are different in suction pressure so that refrigerating cycles of different evaporation ...
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JP4400332B2 |
The internal heat exchanger 15 for exchanging heat between the refrigerant, which has passed through the gas cooler 11 for cooling the refrigerant, and the refrigerant, which is before the suction into the compressor 10 , are arranged in...
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JP4394802B2 |
The cooler (2) has a refrigerant circuit having, in the flow direction of the refrigerant, a compressor (78), the gas cooler, an inner heat exchanger (6) exchanging heat between the high-pressure and low-pressure sides, a throttle device...
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JP4379141B2 |
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JP2009276019A |
To solve problems in a cooling unit using an expansion valve wherein a refrigerant in front of the expansion valve needs to be a supercooling liquid from the viewpoint of characteristics of the expansion valve but when the length of pipi...
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JP2009270802A |
To facilitate bending of an internal heat exchanger having a double pipe structure.The internal heat exchanger 4a with the double pipe structure is provided with an outer pipe 11 and an inner pipe 12 stored in the outer pipe 11. The inne...
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JP4358832B2 |
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JP4352327B2 |
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JP4346538B2 |
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JP4348571B2 |
To prevent an abnormal rise in pressure as caused when a compressor is started from a high load stop position in a refrigeration cycle which has a compressor, a heat radiator, an expansion device, an evaporator and an internal heat excha...
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JP4348572B2 |
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JP4348113B2 |
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JP4350079B2 |
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JP4335115B2 |
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JP2009204271A |
To reduce total amount of a refrigerant used in a refrigerating cycle having an internal heat exchanger.A cross sectional area of a passage of piping of a high pressure liquid line flowing in the internal heat exchanger is set small. Thu...
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JP4323619B2 |
To obtain a constitution that enables small-sized and inexpensive fabrication and is suitable for the case of using particularly carbon dioxide or the like as a refrigerant. A refrigerant compressed by a compressor 1 to a pressure exceed...
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JP4323307B2 |
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JP4318567B2 |
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JP4316200B2 |
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JP4311115B2 |
A heater for an air conditioner includes plural water tubes and plural refrigerant tubes which are arranged in parallel in an air flow direction. Therefore, the heater can heat air by using at least one of the heating sources while a pre...
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JP2009162395A |
To provide a double-wall-tube heat exchanger having excellent heat exchanging performance.This double-wall-tube heat exchanger includes an outer tube 2, and an inner tube 3 disposed concentrically in and spaced apart from the outer tube ...
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JP2009162403A |
To minimize heat loss in a refrigerant-fluid heat exchanger for exchanging heat between a primary side refrigerating cycle and a secondary side liquid fluid cycle.This air conditioner 10 heats and cools a room by heat exchange between: t...
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JP2009156563A |
To provide a heat exchanger device capable of generating expansion, evaporation process correlated with condensation and liquefaction of high pressure gas by itself, and capable of maintaining heat balance by a synergistic effect of both...
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JP4288979B2 |
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JP4286106B2 |
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JP2009133534A |
To prevent a situation that the relationship between rotating speeds of an expander and a compressor becomes improper so that delivery pressure cannot be set to desired pressure.This refrigerating cycle apparatus includes: a main compres...
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