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JP2003222447 |
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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JP2003222391 |
To provide a heat pump type water heater capable of preventing the inside of a circulating passage from freezing and also shortening a defrost time and assuring a reliability.This heat pump type water heater comprises a hot water storage...
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JP2003214713 |
To solve the problem of a refrigeration cycle device using carbon dioxide as a refrigerant, wherein the arrangement of a receiver on a low pressure side increases cost and volume owing to a pressure-resistant design for safety securement...
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JP2003214730 |
To provide a refrigeration cycle for an air conditioner that prevents a refrigerant pressure drop and protects a compressor even if refrigerant piping is long, and ensures compactness, by integrally constructing an accumulator and a rece...
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JP2003202197 |
To provide a heat exchanger capable of reducing costs and improving reliability of air tightness by simplifying a connection structure between a fluid passage hole 100a in a porous flat tube 100 and header tanks 210, 220.Slits 110a, 120a...
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JP2003202161 |
To secure high reliability in a freezing air conditioning device by returning oil in a freezing cycle to a compressor while maintaining high performance with switching multi-stage compression and two stage compression, and to make it eas...
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JP2003194421 |
To provide a most suitable refrigerating cycle to maximize the effect of an internal heat exchanger considering reheating/dehumidifying operation, in a refrigerating cycle provided with the internal heat exchanger with a fluid exceeding ...
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JP2003194432 |
To provide a refrigerating cycle device with a low cost and a high efficiency, by means of omitting a four-way valve which reverses a flow direction of a refrigerant that flows in an inner heat exchanger and an expander in an operational...
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JP2003176957 |
To provide a heat pump-type hot water supply device capable of preventing the abnormal rise of a discharge temperature of a refrigerant discharged from a discharge port of a refrigerant compressor without adding an exclusive component fo...
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JP2003176958 |
To keep COP of an ejector cycle high.A variable throttle 450 is mounted before an ejector 400, and the pressure of a refrigerant is reduced in two stages by the variable throttle 450 and a nozzle 410 by fully opening the variable throttl...
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JP3435848 |
PURPOSE: To prevent the deterioration in the refrigerant flow rate controllability of an expansion valve by introducing the flash gas of refrigerant to a low pressure side expansion valve in a refrigerating cycle for expanding by two sta...
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JP2003154448 |
To provide a method of manufacturing a heat exchanger which can surely join two pipes by solder.A nozzle 2 of a thermal spraying device of the solder is arranged to face the outer peripheral surface of a low-pressure pipe 1 and while the...
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JP2003148820 |
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 refrigera...
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JP2003139430 |
To provide an air conditioner that can offer efficient cooling and heating operations by ensuring a liquid refrigerant in a receiver tank, supplying a supercooled liquid refrigerant to a restriction mechanism and exerting a sufficient ca...
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JP2003130481 |
To provide a vapor compression type refrigerating cycle of an air conditioner for automobiles capable of regulating the heat exchange amount of an intercooler and simplifying the refrigerating circuit of the refrigerating cycle while pre...
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JP3421915 |
To suppress fluctuation in the composition of circulating refrigerant due to excess refrigerant by coupling a four-way valve with a compressor, a condenser and an evaporator, coupling an accumulator and the evaporator, respectively, with...
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JP2003121012 |
To provide a method for controlling vapor compression type refrigerating cycle for an automotive air-conditioner, which ensures intercooler performance even during the operation at a low outdoor temperature and utilizes supercritical cyc...
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JP2003121086 |
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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JP2003114070 |
To improve the freezing effect by recovering much heat from a refrigerant returning from a cooler to a compressor.Heat exchange is performed between a clean pipe 19, a part of a condenser 20, and a suction pipe 27 for returning the refri...
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JP2003106709 |
To provide a heat exchanger that can improve the workability of exchanging desiccants that are contained in header pipes while preventing the device from growing in size and increasing cost.A heat exchanger includes two header pipes, a p...
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JP2003106784 |
To provide a heat exchanger including a first coolant passage and a second coolant passage formed on a long shape main body part, for exchanging heat of a fluid flowing in the first coolant passage and a fluid flowing in the second coola...
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JP2003106708 |
To provide a heat exchanger with a receiver tank that can reduce the path resistance and the pressure drop and save refrigerant.A heat exchanger of present invention includes a multiflow heat exchanger main body 10 having a condenser 30 ...
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JP2003106688 |
To provide a refrigerating cycle capable of obtaining subcool stably under any condition.A subcooler 4 for further cooling refrigerant cooled in a cooler 2 and an inside heat exchanger 5 for exchanging heat of high pressure refrigerant b...
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JP2003097857 |
To provide an air conditioning cycle capable of achieving sufficient cooling performance even where a heat radiator has only a low heat radiation effectiveness.In this air conditioning cycle, a compressor 1, the heat radiator 2 to cool c...
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JP2003090643 |
To prevent the inner gas pressure of a liquid receiver surely from increasing even if the liquid receiver receives heat externally to cause boiling of saturated liquid refrigerant in the liquid receiver.The refrigeration cycle system com...
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JP2003075026 |
To improve the rate of heat transfer from a high-pressure liquid medium to a low-pressure medium by specifying set-up conditions of a supercooling heat exchanger.The supercooling heat exchanger is constituted of a double-pipe heat exchan...
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JP2003074996 |
To accurately control pressure on the basis of temperature at an outlet side of an outside-of-vehicle side heat exchanger without additionally installing a temperature detecting means and a pressure detecting means.An air conditioner for...
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JP2003075009 |
To provide a heat pump system that is constituted to improve the evaporation of a refrigerant liquid by means of an outdoor heat exchanger even when the outdoor air temperature is low when the system is operated for heating, to increase ...
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JP2003075065 |
To realize the improvement of a heat pump apparatus suitable for the application of drying for further energy saving, and the judgement of the completion of proper drying operation.There is provided a heat pump apparatus adapted such tha...
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JP2003065616 |
To provide a refrigerant circuit capable of maintaining an adequate refrigerating cycle in various situations of operation.The circuit is equipped with a compressor 15, a condenser 16, a receiver 18, an expansion valve 19 and an evaporat...
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JP2003054249 |
To provide a vehicular air conditioner capable of displaying its operational ability until its temperature reaches a limit temperature in the vicinity of a heat resistant temperature, by making it operable at a temperature not more than ...
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JP3397021 |
To provide a heat exchanger of excellent pressure proof strength in which a heat exchanging part (a core part) is formed spirally. A tube having many holes 14 which is extruded so as to have a hole through which the refrigerant flows and...
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JP2003042601 |
To realize a liquid receiver having good refrigerant sealing characteristics even when the receiver receives a heat by arranging a drying means of a structure capable of surely forming a space in which a liquid refrigerant can flow by a ...
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JP2003028541 |
To provide a heat exchanger which exerts a certain holding function between an insert and a holding means therefor which are disposed in an insert stowage, and a desired sealing function for preventing generation of short-circuit flow.Th...
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JP2003021411 |
To provide a supercritical vapor compression refrigerating machine capable of preventing lubrication oil from being deteriorated and enhancing coefficient of performance and refrigeration efficiency thereof by using, as a heat source, th...
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JP2003021473 |
To improve the heat exchange capacity of a heat exchanger with the return gas for cooling the compressed refrigerant gas in a refrigerating machine system and the refrigerating capacity, and also to inhibit energy loss.Respective channel...
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JP2003013860 |
To provide a two stage compression type compressor capable of controlling pressure of a refrigerant discharged from the compressor and a refrigerating device using the same.In the two stage compression type compressor 1 having a structur...
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JP2003002048 |
To prevent a compressor and rubber parts from being heat-damaged while preventing power consumption of a compressor from rising excessively, in a CO2 cycle.In this air conditioner for vehicle, the refrigerant flow rate from the compresso...
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JP2003004316 |
To provide a refrigeration cycle capable of making an adjustment to a pressure for surely obtaining an optimum efficiency, i.e., surely enabling change of refrigerating capacity, and having a high efficiency and a high capacity by employ...
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JP2002364939 |
To provide a refrigeration unit capable of highly efficiently executing cooling, heating, dehumidifying and supplying hot water of 70°C or higher while a refrigerant not depleting the ozone layer and having low influence on global warmi...
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JP2002364935 |
To provide a refrigeration cycle which can perform together both operation to extract the maximum refrigeration capacity and operation with the best performance coefficient. The cycle is constituted so that a differential pressure regula...
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JP2002349977 |
To improve capacity of a heat pump cycle (refrigeration cycle). When the air temperature of the front surface of a radiator 200 becomes 41°C or higher, heat exchange between high-pressure refrigerant and low-pressure refrigerant is cond...
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JP2002349979 |
To enable high precision control by reducing the pressure applied to an automatic expansion valve, and to provide a CO2 gas compressing system which enables reduction of price of a system device. The system device comprises a refrigerant...
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JP2002340485 |
To provide a heat exchanger for vehicle or an intercooler, facilitated in the manufacture of the same and small in the size while excellent in the efficiency and low in the cost of the same.The intercooler 300 (heat exchanger for vehicle...
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JP2002333294 |
To provide a header system required for manufacturing a small and highly efficient heat exchanger of simple structure.The heat exchanger has an elongated pipe structure comprising three rows of flat multi-opening tubular material 30, 40 ...
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JP2002333221 |
To provide a gas cooler using a CO2 refrigerant or the like that can be installed into the engine room of a vehicle easily, and to provide a vehicle- mounted air conditioner.The gas cooler is formed, where the gas cooler is integrated by...
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JP2002333241 |
To provide an accumulator equipped with an expansion device, which is able to avoid valve shutoff at the time of starting operation in order to accelerate cooling of the expansion device and thus requires no relief valve.An expansion dev...
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JP2002323265 |
To resolve the problem of overshooting in the fluctuation of the volume of discharged refrigerant of a compressor, and further resolve the problem of insufficient refrigerating capacity in change of load, in a refrigerating cycle formed ...
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JP2002318034 |
To provide a condenser constituted rationally.In the condenser equipped with a core 200 constituted of stacking tubes 210, a first tank 310, a second tank 320 and an inlet part 400 and an outlet part 500 of a refrigerant, the first tank ...
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JP2002318017 |
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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