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JP2008164288 |
To solve problems in a refrigerating device using such a refrigerant that the refrigerant discharged from a compressor is in a supercritical state, that the charging amount of the refrigerant must be increased in quick cooling as a refri...
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JP2008149812 |
To provide an air conditioner for an automobile capable of efficiently arranging an internal heat exchanger and realizing an efficient operation.A thermostatic expansion valve 5 is housed in a case 7 directly connected with a refrigerant...
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JP2008151404 |
To realize an air conditioner capable of securing a sufficient humidification amount, and capable of carrying out power-saving during humidification while preventing enlargement of an indoor unit as much as possible.The air conditioner 1...
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JP2008139014 |
To provide a vapor compression device and a method for executing a transcritical cycle relative thereto.The vapor compression device comprises an internal heat exchanger, a low-pressure compressor and a gas cooler relative thereto, a flu...
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JP2008133996 |
To remarkably enhance a coefficient of performance of a refrigerating cycle of a vehicular cooler by reducing a power consumption of a compressor and by enhancing a capacity of an evaporator.This cooler is provided at least with the comp...
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JP2008134031 |
To provide a refrigerating device capable of using a zeotropic refrigerant mixture, preventing generation of flash gas in a refrigerant liquid pipe and improving heat transferring performance of an evaporator.A countercurrent liquid-gas ...
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JP2008089268 |
To provide a vehicle cooler drastically improving a performance factor, and capable of reducing power consumption of a compressor by shifting, to the left side on a Mollier diagram, both of a compression stroke by the compressor and a st...
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JP2008082601 |
To provide a highly efficient storage type heat pump water heater for storing high-temperature hot water in a hot water storage tank down to its lower part with less power consumption to allow effective use of the capacity of the hot wat...
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JP2008076013 |
To provide a refrigerating cycle device capable of improving heat exchange efficiency, by reducing the occurrence of dew condensation and frosting in an evaporator.This refrigerating cycle device has a refrigerant circuit composed of a c...
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JP2008051474 |
To provide a supercritical refrigerating cycle device capable of preventing the fall of a coefficient of performance even under a change in the operating state of an evaporator.The vapor compression type supercritical refrigerating cycle...
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JP2008039233 |
To appropriately adjust an amount of a refrigerant, in a refrigerating device in which refrigerant pressure on a high pressure side becomes critical pressure or more.This refrigerating device 100 is such a refrigerating device in which r...
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JP2008008572 |
To provide a vapor compression type refrigerating cycle using an ejector capable of preventing performance deterioration due to lack of evaporative latent heat recovery, and reliability deterioration due to liquid return to a compressor....
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JP2008002771 |
To provide a component for a refrigerating cycle capable of improving mounting performance to a vehicle with small space by simplifying a piping composition carrying a high pressure coolant between an expansion valve and an internal heat...
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JP2007187355 |
To provide a heat exchanger allowing improvement of condensation performance all the more without causing reduction of evaporation performance, and to provide an air conditioner using it.In this outdoor heat exchanger 3, only a heat radi...
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JP2007163086 |
To provide a refrigeration cycle capable of efficiently performing heat exchange while using a non-azeotropic mixed refrigerant containing a carbon dioxide.The refrigeration cycle includes a compressor 1, a refrigerant cooler 2, a pressu...
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JP2007155229 |
To improve a coefficient of performance of a refrigerating cycle by reducing a degree of superheat of a compressor suction side coolant, in regard to a vapor compression type refrigerating cycle using carbon dioxide being a natural coola...
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JP2007147198 |
To improve performance of a first evaporator 40 by reducing the level of dryness of a cooling medium flowing into the first evaporator 40 from an ejector 30.A cooling medium low in the level of dryness is separated from a cooling medium ...
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JP3965717 |
To enhance the performance by an increased freezing power, and perform stabilized operation in a freezing device which uses an HFC refrigerant. A cycle system of a freezer comprises a compressor 1, a condenser 2, a liquid receiver 6, a s...
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JP3966044 |
To simplify a system constitution while securing a dehumidifying capacity. A small heat exchanger 5 for reducing an air temperature is formed so as to perform dehumidification cooling, part of refrigerant circulating within a reverse hea...
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JP2007139208 |
To provide a high pressure control valve of low costs capable of improving COP of a refrigerating cycle of CO2 refrigerant incorporating an internal heat exchanger, enhancing cooling-down, and achieving strength of a temperature sensing ...
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JP3963134 |
To provide a refrigeration cycle preventing the overheat operation and the operation in wet state by determining a refrigerant circulation amount by season, and reducing the cost by not using a flow rate adjustment valve and the like. In...
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JP2007132625 |
To enable liquid injection while suppressing increase in manufacturing cost and to prevent excessive rise in the temperature of delivery gas in a refrigerant circuit equipped with a gas injection passage.The refrigerating device is equip...
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JP2007127375 |
To positively return refrigerating machine oil to a high stage-side compressing mechanism in a refrigeration unit comprising a refrigerant circuit performing two-stage compression.This refrigeration unit comprises a refrigerant circuit 1...
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JP2007127335 |
To provide a cooling system capable of carrying out improvement of cooling efficiency by using water used for other purposes as a low temperature heat source.In the cooling system, since cooled refrigerant can be sent into an expansion v...
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JP3956674 |
To provide a refrigerant circuit surely adjusting the amount of circulated refrigerant, whereby the overheat operation or the wet operation is prevented, and the operation with the proper amount of refrigerant is performed. This refriger...
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JP2007120914 |
To provide a vapor generation system of high energy efficiency.This vapor generation system comprises a supply passage 20 in which a heated medium flows, and a heat pump 10. The heat pump 10 has a heat absorbing portion 11 arranged in th...
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JP3953377 |
To provide an air-conditioner for controlling an air-conditioning function irrespective of an operating condition of a compressor to circulate a first heat transfer medium in a first circulation circuit. This air-conditioner comprises a ...
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JP3951840 |
To provide a refrigeration cycle device capable of improving air cooling capacity in response to increase of refrigerant flow rate while avoiding increase of refrigerant pressure on high pressure side by the increase in refrigerant flow ...
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JP2007113839 |
To simplify pipe arrangement of a water heat exchanger and a liquid-gas heat exchanger, and to reduce heat radiation loss of the liquid-gas heat exchanger.The liquid-gas heat exchanger 25 is disposed in a state of surrounding the circumf...
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JP2007113841 |
To miniaturize a liquid-gas heat exchanger and to reduce costs in a heat pump type water heater.An outer diameter of a liquid-side main tube 70 of the liquid-gas heat exchanger 25 is made smaller than outer diameters of a liquid-side inl...
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JP2007113837 |
To reduce heat radiation loss by reducing the influence of air distribution, and the influence of temperatures of an air heat exchanger, a fan motor and the like.A machine chamber 42 provided with a compressor and the like, and a fan cha...
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JP3948475 |
To improve heat exchanging performance without enlarging a volume of a heat exchanger and to minimize an evaporator by installing a supercooling heat exchanger in an indoor unit and applying a structure suitable for correspondence with t...
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JP3947993 |
To provide a pressure-resisting heat exchange element for a high- pressure air conditioner. The present heat exchanger tube is designed for a heat exchanger inside the high-pressure air conditioner of an automobile, in particular. The tu...
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JP3945208 |
To provide a high-performance and low-cost heat exchange tube and a heat exchanger by extrusion-molding the heat exchange tube 100 improving the molding performance and disposed with multiple pores into multiple rows in the thickness dir...
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JP3941555 |
To adequately adjust the flow rate of the circulating refrigerant in a cycle even under an operating condition that the flow rate of the circulating refrigerant is reduced. A second heat exchange unit 6 is provided on the downstream side...
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JP2007093140 |
To provide a refrigerating device of high reliability, capable of cooling a compressor by mounting an injection circuit, detecting that the quantity of refrigerant in a refrigerating circuit is within a proper range without depending on ...
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JP2007085647 |
To constantly keep heat exchanging performance of a supercooling heat exchanger even when the flowing direction of a refrigerant is changed between cooling and heating.In this air conditioner comprising the supercooling heat exchanger 13...
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JP2007085591 |
To improve heat exchanging performance without enlarging a volume of a heat exchanger and to minimize an evaporator by installing a supercooling heat exchanger in an indoor unit and applying a structure suitable for correspondence with t...
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JP2007085706 |
To provide a refrigerating device capable of cooling a compressor heated by the operation of the compressor by providing an injection circuit, and improving refrigerating capacity and COP by being constituted to lower a temperature of a ...
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JP3932913 |
To provide a heat pump type water heater capable of shortening a defrosting time and avoiding a liquid return. A compressor 25, a water heat exchanger 26 for heating hot water, an electric expansion valve 27, and an air heat exchanger 28...
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JP2007078318 |
To provide a refrigeration cycle device capable of improving efficiency by reducing expansion loss in a refrigeration cycle irrespective of an operating condition and setting condition.The refrigeration cycle device comprises a compresso...
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JP2007069655 |
To provide an air conditioner for vehicle capable of reducing power burden on a compressor by reducing loss by passage resistance and stabilizing a refrigeration cycle by eliminating stagnant oil or refrigerant.In a heating mode, a contr...
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JP2007071529 |
To provide a refrigerating cycle device for improving cooling performance and securing the durability of high pressure side components.A refrigerating cycle includes a compressor 110, a high pressure side heat exchanger 120, a pressure r...
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JP3928470 |
To prevent fog from being generated on a wind shield and to quickly remove the fog even if the fog is temporarily generated on the wind shield. Air blown out by an indoor heat exchanger 30 is heated making a coolant of high temperatures ...
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JP2007040278 |
To provide a compressor with a refrigerating circuit requiring lower manufacturing costs and less refrigerant.The compressor 18 comprises a compression unit 20 for serving a series of processes of sucking and compressing CO2 refrigerant ...
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JP2007017132 |
To secure a space 32 with a prescribed clearance between flat perforated tubes 14 adjacent when the flat perforated tubes 14 are layered along a thickness direction with the same orientation.This flat perforated tube 14 for heat exchange...
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JP3903851 |
To improve mounting performance to a vehicle in a heat exchanger wherein a radiator and an internal heat exchanger exchanging heat of a high pressure side refrigerant and a low pressure side refrigerant are integrated. The internal heat ...
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JP3897681 |
To avoid limitation of a constant density ratio to the utmost, and obtain high power recovering effect in a wide operation range by using an expander in accordance with a flow direction of cooling medium. In this method for determining p...
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JP2006343039 |
To miniaturize a receiver, and to improve a heat exchange performance ratio in a condenser.The heat pump 1 composing a closed refrigerant circulation passage L including a compressor 11, an air heat exchanger 12, the receiver 13, an expa...
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JP3878168 |
To provide a combined regeneration cooling and heating system capable of improving heat exchange efficiency based on heat exchange between a high temperature refrigerant flowing in an expansion unit and a low temperature refrigerant flow...
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