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Patent Searching and Data


Matches 1,051 - 1,100 out of 1,753

Document Document Title
JP2007527308A
A method for operating a vapor compression system includes the steps of providing a vapor compression system having a compressor circuit including a compressor having an inlet port and an outlet port, a circuit incorporating the compress...  
JP3983517B2
High pressure drop and evaporator inefficiency due to the presence of lubricant in a refrigerant are avoided in a refrigeration system including a compressor (10) having an inlet (12) and an outlet (14). A gas cooler/condenser (16) recei...  
JP3983520B2
A suction line heat exchanger storage tank 22 as disclosed for use in a vapor compression system 20 to increase the efficiency and capacity of the system. Carbon dioxide is preferably used as the refrigerant. The high pressure of the sys...  
JP3982545B2
In a supercooling heat exchanger of an air conditioning apparatus for exchanging heat between a high-pressure refrigerant and a low-pressure refrigerant, the refrigerants flow in opposite directions during cooling and heating. Therefore,...  
JP2007240090A
To attain reduction in cost and compact a heat pump unit. The water heater comprising a heat pump circuit 19 formed by a compressor 13, a refrigerant-water heat exchanger 14, an air heat exchanger 17 constituting an evaporator, and a blo...  
JP3973438B2
In a heat pump type air conditioner including a refrigerant circuit having a compressor, an indoor heat exchanger, a pressure-reducing device, an outdoor heat exchanger having at least one refrigerant pipe disposed therein, an engine for...  
JP2007218497A
To provide a refrigerant flow controller for appropriately adjusting a flow rate ratio η of a refrigerant flow rate Gnoz decompressed and expanded by an ejector to a refrigerant flow rate Ge sucked to a refrigerant suction port of the e...  
JP2007218529A
To provide an air conditioner with a high supercooling degree of a liquid refrigerant, in which the generation of flash gas in front of an expansion valve by a pressure loss of a refrigerant pipe can be eliminated, and the expansion valv...  
JP3965717B2
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...  
JP3966044B2
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...  
JP3963134B2
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...  
JP3953377B2
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 ...  
JP3956674B2
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...  
JP2007521456A
The efficiency of refrigeration systems operating on the vapor compression cycle and employing suction line heat exchangers is increased by introducing refrigerant into the lower pressure side of the suction line heat exchanger at a qual...  
JP3951840B2
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 ...  
JP2007187355A
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...  
JP3947993B2
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...  
JP3948475B2
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...  
JP3945208B2
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...  
JP2007518624A
The invention relates to an air conditioning unit, in particular, for a motor vehicle, comprising at least one heat exchanger (103; 203; 203'; 203"), operating as an evaporator and at least one heat exchanger (103'; 203; 203'), operating...  
JP3941555B2
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...  
JP2007163086A
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...  
JP2007155229A
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...  
JP3934140B2
A single-stage refrigerating system includes a compressor, a condenser, an evaporator, and a heat exchanger for exchanging heat between a refrigerant in a path from the evaporator to the compressor and a refrigerant in another path from ...  
JP3932913B2
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...  
JP2007147198A
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 ...  
JP3928470B2
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 ...  
JP2007139208A
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 ...  
JP2007132625A
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...  
JP2007127375A
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...  
JP2007127335A
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...  
JP2007512500A
A heat exchanger including a suction line for gaseous or two phase refrigerant output from an evaporator and a capillary tube carrying cooled refrigerant to the evaporator. The suction line includes first and second substantially paralle...  
JP2007512501A
A cooling system including an evaporator, a suction line, a two stage compressor, a gas cooler and a capillary tube. The suction line receives gaseous or two phase refrigerant from the evaporator, the compressor receives the gaseous or t...  
JP2007113841A
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...  
JP2007510887A
A self-contained beverage chilling apparatus including a refrigerant cooling system comprising a refrigerant reservoir in a fluid communication with a cold plate, a refrigerator accumulator, a compressor and a refrigerant condenser mount...  
JP3903851B2
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 ...  
JP2007508419A
Methods and apparatus for a refrigeration heat exchanger section useful in circulating a substantially non-HCFC refrigerant mixture which comprises: a compressor means, an auxiliary condenser, a first condenser, a second condenser, a thi...  
JP2007085706A
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 ...  
JP2007507382A
The air conditioning system (1) comprises a device for reversing the flow direction of the refrigerant for the heat pump operation. A mechanism is provided which puts the internal heat exchanger out of operation when the flow direction i...  
JP2007507899A
An apparatus for controlling the temperature of an electronic device. The apparatus comprises a refrigeration system including a compressor and a multi-pass heat exchanger. The refrigeration system is operative to circulate a refrigerant...  
JP3897681B2
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...  
JP2007071529A
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...  
JP2007040278A
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 ...  
JP3878168B2
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...  
JP2007017132A
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...  
JP3871080B2
To make compact and simplify a structure, reduce the number of parts and facilitate a production by combining and integrating together a multiple disk element heat exchangers such as an evaporator, an absorber, a supercooler, etc., in an...  
JP2006343039A
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...  
JP3858276B2
A refrigerating apparatus is provided with a supercooling circuit 8 having a supercooling heat exchanger 15 provided between a condenser 3 and a main expansion mechanism 9 and an injection circuit 10 for injecting a gas refrigerant from ...  
JP2006527836A
The expansion machine flowrate of a vapor compression system is regulated to directly control the supercritical pressure in the high pressure component of the transcritical system. The expansion machine is directly linked to a recompress...  
JP2006300406A
To provide a refrigerating cycle device capable of suppressing the fall of air-conditioning capacity and the rise of high pressure in the case of high load.Refrigerant pipelines P10-P13 and valves 7-10 are added to switch refrigerant flo...  

Matches 1,051 - 1,100 out of 1,753