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Patent Searching and Data


Matches 1,251 - 1,300 out of 1,753

Document Document Title
JP2004184022A
To improve the coefficient of performance during cooling operation while suppressing temperature rise in a sealed container by using an intermediate cooling circuit for permitting heat radiation of a cooling medium discharged from a firs...  
JP2004184049A
To provide an internal heat exchanger, smaller, lighter and superior in pressure resisting performance and heat exchanging performance.The internal heat exchanger comprises a communication member 6 and header tanks 7a, 7b. The communicat...  
JP2004184074A
To provide a heat exchanger structure to be used for a suction line heat exchanger in an automobile transcritical cooling system.A heat exchange flat pipe 40 includes a pair of ducts 50, 52 connected to each other via a bent pipe 54 in t...  
JP3102322U
A cooling system with refrigerant for air conditioning and engine parts, comprising: a compressor, a high pressure circuit filled with the refrigerant; and a low pressure circuit filled with the refrigerant too. The high pressure circuit...  
JP2004177067A
To raise a blowout air temperature into a room by contributing to improve efficiency in heat exchange even when a secondary refrigerant is sent into an indoor unit.This heat pump type air conditioner is provided with the function for rai...  
JP2004177006A
To provide an internal heat exchanger having a simple constitution for reducing an occupying space, reducing weight, and superior in pressure-proof performance.This internal heat exchanger is composed of a pair of headers 6a and 6b and a...  
JP2004175232A
To provide an air conditioner for a vehicle equipped with an internal heat exchanger 6, capable of eliminating the use of an accumulator and expediting desired cooling capability for an evaporator 5.Refrigerant outputted from a compresso...  
JP3538492B2
To improve overheating and supercooling of a refrigerant and hence ensure an increase of freezing efficiency and an improvement of performance of a freezing cycle by providing a heat exchange part for performing heat exchange between a r...  
JP2004156896A
To provide an integrated unit used in a cooling system having a refrigerant loop, wherein the heat is excluded from the system by allowing a high-pressure refrigerant to flow through a part of the loop, and the heat is absorbed by the sy...  
JP2004516191A
The invention relates to a system for cooling and heating, having a first heat exchanger ( 10 ) for outputting heat to and extracting it from a heat reservoir ( 12 ); a second heat exchanger ( 14 ) for extracting heat from and outputting...  
JP2004156900A
To provide a heat exchanger suitably used in an air conditioning system of an automobile.This pipe to pipe heat exchanger 38 used in the air conditioning system of the automobile has an integral pipe 38 of which the inside is longitudina...  
JP2004515743A
The invention relates to an apparatus for cooling, having a loop (60) carrying a refrigerant, a first heat exchanger (10) for outputting heat to a heat reservoir (12), a second heat exchanger (114) for extracting heat from a chamber (116...  
JP2004144472A
To reduce the number of part items, and labors and time for attachment, and to enhance heat-exchange efficiency.This condenser is provided with a condensing part 1 and a liquid receiving part 6. In the condensing part 1, both ends of a p...  
JP2004125199A
To provide a highly reliable refrigerant circuit causing no blocking up, damaging and breaking of the refrigerant circuit used for a refrigerating plant for obtaining a cooling temperature of an extremely low temperature of - 70 °C or l...  
JP2004125340A
To provide a heat exchanger preventing impairment of pressure tightness when providing a bent part M in a porous flat tube 100.The porous flat tube 100 has the bent part M bent so that a low pressure fluid passage 110 is in an outer side...  
JP2004125259A
To provide an air conditioner for improving cooling capacity and performance by cooling a high pressure liquid refrigerant by obtained cold heat by using exhaust heat of a high temperature refrigerant in cooling operation.This air condit...  
JP2004511747A
An air conditioning unit including an expansion device (4) of the refrigerating fluid loop controlled to set the internal heat exchanger efficiency eta, represented by the equation: eta=TccTsc/TsrTsct, wherein: TccTsc and Tsr are respect...  
JP2004108615A
To provide a steam compression type refrigeration cycle with an ejector capable of increasing refrigerating effect of the refrigeration cycle by supercooling a high-pressure condensate by use of an intermediate port of a compressor and a...  
JP3515998B2
PURPOSE: To provide a mechanical compressor system in which a compressed gaseous conveyance medium is cooled to a process-compatible temperature with only a low energy demand and little additional expenditure for installation. CONSTITUTI...  
JP2004101144A
To enhance the refrigeration capacity while suppressing degradation of the coefficient of performance.The sectional area of a refrigerant passage of first headers 5c and 5e is reduced toward a distal side from a refrigerant inlet. When t...  
JP2004092933A
To prevent heat generation of a compressor without providing a special element, improve cycle efficiency by reduction of temperature of discharge refrigerant, save a space, and reduce a cost.Refrigeration cycle is constituted by the comp...  
JP2004085106A
To provide a refrigerator and a cold storage optimum for using a cooling medium with the state varied at a super-critical region and a subcritical region at a high pressure side of a refrigerating cycle.The refrigerator is provided with ...  
JP2004085104A
To provide a refrigerator optimum for adopting a compressor provided with two compression mechanisms.The refrigerator is provided with a compressor (16) provided with a primary compression mechanism for compressing the cooling medium fro...  
JP2004085183A
To improve the efficiency of a vapor compression type refrigerator while suppressing the rise of the cost of manufacture of the refrigerator.A high-pressure coolant pipe 61 for carrying the coolant flowing out from a radiator 20 is braze...  
JP2004085103A
To provide a refrigerator optimum for using a cooling medium with the state varied at a super-critical region at a high pressure side of a refrigeration cycle.In the refrigerator, the outline is constituted by a heat insulation box (1) a...  
JP2004507706A
Reversible vapor compression system including a compressor ( 1 ), an interior heat exchanger ( 2 ), an expansion device ( 6 ) and an exterior heat exchanger ( 3 ) connected by means of conduits in an operable relationship to form an inte...  
JP2004507707A
A method of defrosting of a heat exchanger (evaporator) in a vapor compression system including, downstream of a heat exchanger (evaporator) ( 3 ) to be defrosted, at least a compressor ( 1 ), a second heat exchanger (condenser/heat reje...  
JP2004069286A
To provide an air conditioner having a cold water and hot water supplying device capable of supplying hot water while performing cooling or heating.When a compressor compresses refrigerant to bring the refrigerant into a hot gaseous stat...  
JP2004069295A
To increase the energy efficiency of equipment and safety when refrigerant leaks in a refrigerating air conditioner using the inflammable refrigerant extremely less affecting a global environment.In a refrigerating cycle formed by sequen...  
JP2004061061A
To provide a highly efficient freezing cycle device using a CO2 refrigerant and preventing reduction in reliability and to provide an operation method for the freezing cycle device.A first freezing cycle device is operable at a high effi...  
JP2004053150A
To provide a refrigeration cycle device using a CO2 refrigerant, and performing the operation of high efficiency while solving a problem on the lowering of the efficiency in the entire refrigeration cycle device, caused by the lowering o...  
JP3494625B2
To provide a light-weight seamless heat transfer tube with an inner surface groove by improving a condensing heat transfer rate and an evaporating heat transfer rate, by limiting an inner surface shape in the heat transfer tube with the ...  
JP2004036997A
To provide a supercritical steam compression refrigerating cycle such as CO2 cycle assuring an enhanced operating efficiency.The supercritical steam compression refrigerating cycle is composed of a compressor, a radiator, an expansion va...  
JP2004028525A
To provide an accumulator increased in refrigeration effect and improved in cooling performance, to provide a refrigeration cycle using the accumulator, to improve gas-liquid separation to miniaturize the accumulator, and to prevent fear...  
JP2004028460A
To increase coefficient of performance by increasing an internal heat exchange effect.An internal heat exchanger 6 is installed on the downside of an accumulator 5 so that a high pressure tube 6a lies above a low pressure tube 6b. Conden...  
JP2004028485A
To improve compression efficiency in a compressor in a cooling medium cycle device using CO2 as a cooling medium.In the cooling medium cycle device, a compressor 10, a gas cooler 154, an expansion valve 156, and an evaporator 157 are int...  
JP2004012127A
To improve apparatus energy efficiency and enhance safety in case of refrigerant leakage in a refrigerating and air conditioning device using an inflammable refrigerant with a very small adverse effect to the earth environment.In a refri...  
JP2004011988A
To provide an attachment structure of a modulator tank and a female screw member easily according positions of a refrigerant passing hole of the modulator tank and a communication hole of the female screw member in a modulator tank forme...  
JP2004011959A
To improve heat exchange capacity of an evaporator in refrigerant cycle equipment whose high pressure side is operated by a supercritical pressure.This refrigerant cycle equipment has a compressor 10, a gas cooler 154, an expansion valve...  
JP3485006B2
To improve energy efficiency of an instrument and reduce an influence upon a refrigerant being leaked in a freezing air conditioning apparatus using a combustible refrigerant having a very small bad influence to global environment. In a ...  
JP2004003804A
To secure the superheat degree of refrigerant in an inlet side of a compressor of a vapor compression type refrigerating machine for feeding hot water.A heater 60 heating the refrigerant to be sucked in the compressor is disposed in the ...  
JP3484866B2
To lower the temperature of a condenser on the side of vapor phase, eliminate a temperature difference between condenser peripheral temperature on the vapor phase side and on a liquid phase side, and hence prevent condenser internal pres...  
JP2003343933A
To provide a super-critical refrigeration cycle possible to miniaturize a radiator to reduce the weight thereof. A meandering metal piping 10 for cooling the refrigerant discharged from a compressor 100 is provided in the upstream of the...  
JP3469845B2
To eliminate a retention of a liquid refrigerant in an evaporator when a multi-stage compressor is stopped. A multi-stage compressing refrigerating system comprises first valve mechanisms 11A, 11B, 11C provided at a refrigerant input sid...  
JP3469832B2
To improve an efficiency by a method wherein the discharging gas refrigerant temperature of a multi-stage side compression means is restrained so as to be low and the refrigerating effect of a refrigerating device upon the initial period...  
JP2003329314A
To provide an air conditioner wherein both durability and refrigerating capacity are improved.This air conditioner 1 is provided with: a compressor 2 for compressing a refrigerant; a radiator 3 for cooling the refrigerant compressed by t...  
JP2003329335A
To provide an air conditioner having a dehumidifying throttle valve for reliably cooling a refrigerant, promoting complete liquefaction thereof, and eliminating disagreeable refrigerant noise in a gas-liquid mixing state even when the in...  
JP2003314909A
To divert existing connection piping for reducing installation costs or the like, and to reliably show refrigerating capability in a refrigerating machine connected to a utilization side by the connection piping.An outdoor unit (11) that...  
JP2003302111A
To solve the problem that the evaporation temperature difference between evaporation side heat exchangers of two refrigerant circuits is increased, and dew is easily generated in an indoor unit in an air-conditioner of two-refrigerant ci...  
JP2003287294A
To perform efficient operation by operating an internal heat exchanger of a refrigeration cycle circuit using carbon dioxide as a refrigerant in a cooling mode, and heating or dehumidifying mode, and to simplify a constitution of the dev...  

Matches 1,251 - 1,300 out of 1,753