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JP2005106329A |
To remarkably reduce the passage resistance in the entire condenser without eliminating advantages of one-pass passage constitution of a refrigerant condensing core part in a subcool type condenser wherein a heat exchanging core part is ...
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JP2005106404A |
To provide a heating/cooling system capable of reducing the power consumption.This heating/cooling system comprising a first accommodating chamber 5 for accommodating a heated object and a second accommodating chamber 7 for accommodating...
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JP2005098581A |
To provide a freezing circuit which increases the degree of supercooling of a refrigerant to improve cooling performance, and also provide a cooling device using the freezing circuit.In an indoor machine 2, a double pipe heat exchanger h...
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JP2005098554A |
To maintain a high coefficient of result even if atmospheric temperature is changed by changing internal heat exchange quantity without using electric control.A container 7a is provided with a gas-liquid separator communication passage 7...
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JP2005096757A |
To guarantee the high efficiency and the reliable function in a dynamic operation.A refrigerant circuit 10 of a CO2 air-conditioner used for a vehicle driven by an internal combustion engine comprises at least one evaporator 24, a compre...
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JP2005098635A |
To provide a refrigeration cycle capable of preventing the increase of pressure loss of an internal heat exchanger, reducing the dimension and weight of necessary components, and reducing the cost in constructing a component for preventi...
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JP2005098691A |
To secure high efficiency and high reliability, particularly in a dynamic operation mode.A refrigerant circuit 10 comprising at least one evaporator 24, a compressor 12, a gas cooler 14 and an expanding mechanism 20, of a CO2 air conditi...
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JP3635715B2 |
PURPOSE: To enhance the efficiency of a heat exchanger by controlling properly the opening of a bypass passage in a vaporizer for a cooling device which is provided with a heat exchanger connected to a vaporization part and a bypass flow...
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JP3635119B2 |
PURPOSE: To provide a refrigeration system and an operating method thereof which enable smooth and accurate adjustment of the temperature of an air conditioning space. CONSTITUTION: A refrigeration system 10 is provided with a null cycle...
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JP2005083608A |
To provide a refrigeration unit for preventing damage of a compressor by liquid compression, and improving performance of an evaporator, by putting a compressor suction side refrigerant in a dry state, while bringing the refrigerant of a...
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JP2005083741A |
To increase an enthalpy difference between an inlet and an outlet of an evaporator in an air conditioner to enhance a refrigerant flow rate.In this cooling and heating unit formed of an interior heat exchanger, an exterior heat exchanger...
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JP2005077086A |
To provide a condenser, in particular, a multifunctional condenser including a conduit passing through the second header, to take out energy from a refrigerant flowing through the condenser, in addition to condensation of the refrigerant...
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JP2005076915A |
To provide a composite heat exchanger tube that excels in heat transfer performance, bendability, pressure resistance and producibility and enables a reduced size and weight of an apparatus that uses it.The composite heat exchanger tube ...
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JP2005075102A |
To provide an air conditioner for a vehicle capable of regulating heat exchange amount of an internal heat exchanger without using a bypass circuit.The air conditioner (1) for the vehicle has a compressor (2) compressing a heat medium, a...
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JP2005077088A |
To provide a proper ratio of a supercooled liquid area capable of increasing a two-phase area having excellent heat transfer, and capable of enhancing a cooling capacity and a performance index, in a passage for heat-exchanging a gaseous...
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JP3629819B2 |
To ensure a filtering performance for a long period in a liquid receiver integrated condenser. A filter 12 is provided in a liquid receiver 3 so as to pass a liquid refrigerant from a refrigerant inlet 9 to refrigerant outlets 10 and 11c...
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JP3627382B2 |
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JP2005504686A |
The temperature regulation device (10) comprises a heat pump (12) having a main refrigerant fluid circuit (14) taking heat from a cold source (16) and transferring it to a hot source (18), the cold source (16) including a refrigerant flu...
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JP3617083B2 |
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JP2005022601A |
To provide an air conditioning unit for a vehicle capable of providing reduction in the amount of sealed refrigerant, and providing improvement in mountability onto a vehicle.In this air conditioning unit for the vehicle, heat of gas ref...
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JP3614330B2 |
To provide a supercritical vapor compression type refrigerating cycle capable of improving a coefficient of performance by applying an internal heat exchanger without weakening an effect of a gas injection. A compressor 1, a high pressur...
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JP2005502022A |
A compression refrigeration system includes a compressor ( 1 ), a heat rejector ( 2 ), expansion device ( 3 ) and a heat absorber ( 4 ) connected in a closed circulation circuit that may operate with supercritical high-side pressure. The...
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JP2005009851A |
To provide an air conditioning device the structure of which can be simplified while keeping sufficient refrigerant cooling performance.This air conditioning device comprises a compressor 11 for compressing and discharging a refrigerant,...
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JP3610005B2 |
The cooling efficiency of a refrigerating chamber and a storage chamber is improved, and the cooling capability is prevented from degrading.A horizontal refrigerator 10 is comprised of an underlying refrigerator body 11 and an overlying ...
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JPWO2003026103A1 |
The first branch refrigerant pipe 7 is connected in parallel to the main cooling cycle S1a including the compressor 1, the condenser 2, the receiver 3, the subcool condenser 4, the valve 37, the main expansion valve 5, and the evaporator...
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JP2004361019A |
To provide an air conditioner having improved condensing performance without lowering evaporating performance.The air conditioner comprises a refrigerating cycle consisting of at least a compressor 1, a restricter 4 and a plurality of he...
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JP2004360936A |
To stably perform operation without hunting of degree of superheat SH in a refrigerating cycle using HFC-152a as a refrigerant.The filling quantity of the refrigerant is increased so that the degree of supercooling SC the refrigerant at ...
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JP3604973B2 |
To provide a cascade-type refrigerating device that does not require high pressure needed at individual use of a carbon dioxide refrigerant, and at the same time, can prevent the risk of explosion when a propane refrigerant used individu...
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JP2004354017A |
To improve the cooling performance of an evaporator while avoiding the freezing of articles stored in a cooled space of a cooling device.The cooling device comprises a microcomputer 80 as a control device for controlling a compressor 10 ...
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JP2004346759A |
To use refrigerant capable of responding to maintenance of satisfactory global environment and to improve efficiency of a heat engine, in a heat engine of Rankine cycle.The heat engine comprises: a refrigerant pump pressurizing the refri...
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JP2004347135A |
To provide an outdoor unit for an air conditioning system for reducing frequency of defrosting operation and improving the efficiency of heating operation by suppressing the formation of frost during heating operation.The outdoor unit fo...
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JP2004537023A |
A refrigerated merchandiser (100) includes an upright, open-front, insulated cabinet (110) defining a product display area (125) connected in airflow communication with a compartment (120) via an air circulation circuit (122, 114, 116). ...
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JP2004338447A |
To reduce a feel of noise sensed by a user when heating is carried out by hot gas.High pressure is controlled so that the high pressure comes to be larger when the air blasting quantity is large in comparison with the time when air blast...
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JP2004333108A |
To provide an air conditioner and an outdoor unit used in it, preventing noise generated from an indoor unit by constituting a defrosting cycle so that during the defrosting operation of the outdoor unit, a refrigerant is circulated in t...
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JP2004306686A |
To provide an air conditioner for a vehicle with improved installability into the vehicle while reducing the amount of sealed refrigerant.In the air conditioner for a vehicle, a high-temperature and high-pressure gas refrigerant compress...
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JP3584862B2 |
To provide a refrigerant circuit reduced in the generation of height difference bias flow of refrigerant even when there is a height difference in the place of installation of a plurality of indoor machines and capable of contriving cost...
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JP2004301367A |
To provide an extremely low temperature generator advantageous to obtain an extremely low temperature and liquefy refrigerant such as helium.The extremely low temperature generator comprises a forcible feed means 11, a cooling means 25 f...
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JP2004299425A |
To provide a refrigerant flow control device and control method in a refrigeration cycle using a supercritical refrigerant, preventing a cooling performance from deteriorating even when a vehicle is in a state of upward slope travel or l...
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JP3580981B2 |
To effectively prevent hot air whose temperature exceeds a predetermined temperature from blowing out of an upper blow-out port in a vehicle room. This blow out temperature control device of an air conditioner for vehicle is provided wit...
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JP2004293813A |
To provide a refrigerant cycle device capable of accurately detecting pressure inversion phenomenon generated in a compression element of a compressor of multistage compression type at low cost.This refrigerant cycle device is provided w...
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JP2004293882A |
To provide a refrigerating device capable of dispensing with an exclusive indoor unit and being connected with a general-purpose indoor unit.One end of an outdoor heat exchanger is selectively connected with a refrigerant discharge pipe ...
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JP2004286280A |
To provide a heat exchanger for improving pressure resistance without increasing an outside dimension of a distributor pipe 210 and an accumulator pipe 220.Inner surfaces of the distributor pipe 210 and the accumulator pipe 220 are forme...
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JP2004286428A |
To provide a multiple area temperature control system capable of performing the operation for controlling temperature of a plurality of compartments.This system has a scroll compressor capable of being operated at a speed to compress the...
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JP3575497B2 |
PURPOSE: To prevent slippage of joining surfaces or a header and a liquid receiver on the occasion of soldering and to suppress occurrence of a joining fault. CONSTITUTION: A second header pipe 21 constituting a second header of a refrig...
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JP3575035B2 |
PURPOSE: To constitute a dehumidifying metering part under a simple configuration by a method wherein a part of a pipe of a condensing side and a part of a pipe at an evaporating side in a system having an indoor heat exchanger thermally...
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JP2004268752A |
To effectively use waste heat from an engine cooling water circuit and a steam compression type refrigerator on a vehicle.This heat management system is provided with a water refrigerant heat exchanger 30 to carry out heat exchange betwe...
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JPWO2002066907A1 |
A refrigeration cycle device that uses carbon dioxide (CO2) as a refrigerant, and an oil separator is provided as a refrigerant container in a part of the high-pressure side circuit, or an oilless type or oil poor type linear compressor ...
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JP3570348B2 |
To certainly liquid-tightly seal a refrigerant to be supplied to the inlet of a pressure reduction circuit, in a gas-liquid heat exchanger which is provided in a refrigerant circuit which includes a condenser, an evaporator, and the pres...
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JP2004251492A |
To provide a refrigerant cycle device for avoiding the occurrence of inconveniences due to abnormally high pressure.The refrigerant cycle device comprises a bypass circuit 170 communicating a refrigerant discharge pipe 96 on the high pre...
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JP2004251514A |
To provide a refrigerant cycle device for avoiding the occurrence of inconveniences due to abnormally high pressure.The refrigerant cycle device comprises a bypass circuit 170 communicating a refrigerant pipe ranging from a gas cooler 15...
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