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JP5385800B2 |
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JP5375283B2 |
To drastically improve the performance of a vapor compression type refrigerating machine by the effective use of waste heat of the vapor compression type refrigerating machine and cold heat conversion by an absorption type refrigerating ...
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JP5377528B2 |
To provide a refrigerating cycle device that ensures a heat exchange amount of a refrigerant to be injected thereby preventing a discharge temperature from decreasing at an injection operation, and ensures an injection amount to prevent ...
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JP5375284B2 |
To drastically improve the performance of a vapor compression type refrigerating machine by the effective use of waste heat of the vapor compression type refrigerating machine and cold heat conversion by an absorption type refrigerating ...
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JP5360095B2 |
To provide a gas refrigerant separator eased in restriction on a mounting direction when assembling it in a refrigeration device, a gas refrigerant separator-cum-refrigerant flow divider applying a gas refrigerant separating mechanism in...
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JP2013217613A |
To provide a refrigeration cycle apparatus that can make the heat exchange amount of an internal heat exchanger higher than before while holding high operation efficiency and operation capability.A refrigeration cycle apparatus includes ...
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JP2013181736A |
To sufficiently obtain an effect for lowering a discharge temperature of a compressor by middle pressure injection even in a high outdoor air condition when adopting a supercritical refrigerating cycle using carbon dioxide as refrigerant...
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JP2013164250A |
To provide a refrigerating apparatus configured to prevent unnecessary increase in amount of refrigerant returning to a two-stage compressor and repetition of operation and stop of the two-stage compressor.A refrigerating apparatus R inc...
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JP5241872B2 |
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JP5240332B2 |
An air conditioning system (10) includes a refrigerant circuit (20) including a compressor (21), an indoor heat exchanger (22), a first expansion valve (23), a gas-liquid separator (24), a second expansion valve (26), and an outdoor heat...
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JP5231002B2 |
The device has a low pressure compressor connected to an outlet of an internal heat exchanger, and an isobaric gas cooler connected to an outlet of the low pressure compressor. Another isobaric gas cooler is connected to an outlet of a h...
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JP5228661B2 |
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JP2013124802A |
To provide a refrigeration cycle apparatus having high energy consumption efficiency in operation, by sufficiently increasing a degree of superheat of suction, even when the apparatus is provided with a low-pressure liquid receiver for a...
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JP5217945B2 |
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JP5203702B2 |
Disclosed is a method and device to increase the cooling load that can be provided by a refrigerant-based thermal energy storage and cooling system with an improved arrangement of heat exchangers. This load increase is accomplished by ci...
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JP5202291B2 |
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JP5197004B2 |
A system and method for controlling the temperature of a process tool uses the vaporizable characteristic of a refrigerant that is provided in direct heat exchange relation with the process tool. Pressurized refrigerant is provided as bo...
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JP5186949B2 |
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JP5157224B2 |
To provide a steam generating system exhibiting high energy efficiency. The steam generating system is provided with a heat source device 90 having a first passage 120 through which a first medium flows, a heat pump 10 through which a se...
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JP5153812B2 |
To provide a refrigerating/air conditioning device of high reliability which is controllable and can maintain its performance even when a plurality of use-side units are applied.This refrigerating/air conditioning device 1000 includes: a...
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JP5128267B2 |
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JP5120572B2 |
Fixed to the peripheral wall of a header 2 of a unit-type heat exchanger 1 is a receiver connecting block 6 having channels 31, 32 for causing the interior of the header 2 to communicate with the interior of a liquid receiver 7 therethro...
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JP2012245866A |
To provide a combined heat exchanger system that ensures a space necessary for each heat exchanger while providing easier mounting of the heat exchanger on a vehicle, thereby improving heat exchange effectiveness of the heat exchanger.Th...
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JP2012237518A |
To provide an air conditioner achieving an environmental friendliness by using a refrigerant having a low warming potential, and achieving resource saving performance that achieves refrigerant saving performance and miniaturization of a ...
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JP2012225612A |
To provide an intermediate heat exchanger usable for an air conditioning device, which can prevent deterioration in refrigerant condensation efficiency of a capacitor and save a space.The intermediate heat exchanger 10 includes: an outer...
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JP5062039B2 |
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JP2012207826A |
To maximally gasify a refrigerant discharged from a refrigerant storage by a refrigerating cycle device.When the high-temperature and high-pressure refrigerant is supplied to a first heat exchanger 14 through a first refrigerant path 18,...
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JP2012207915A |
To provide a heat exchanger which can improve a COP of a heat pump unit, for example, can supercool a high-pressure coolant, and further can enhance the efficiency of the heat pump unit, for example.A defrosting heat exchanger 119 includ...
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JP2012189275A |
To reduce unpleasant refrigerant sound occurring when a refrigerant expands in a two-phase state that liquid refrigerant and gaseous refrigerant are mixed, in a throttle device of refrigeration cycle equipment.The refrigeration cycle equ...
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JP2012180963A |
To reduce an upper compressor discharge temperature without compressing a liquid in a heating operation in a two-stage boosting type refrigeration cycle.The refrigeration cycle including a lower compressor 1, a higher compressor 2, a con...
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JP5003645B2 |
A heat exchanger (14) includes: water pipes (56, 156, 256) through which water flows; low-pressure coolant pipes (20, 120) which are arranged inside the water pipes (56, 156, 256) and through which a low-pressure coolant flows; and a hig...
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JP4997012B2 |
To provide a refrigerating device capable of catching temperature change generated in the refrigerating device before the refrigerating device reaches a flooded state, to prevent the flooded state. This refrigerating device comprising an...
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JP2012141070A |
To avoid liquid compression during a compression stroke by a compressor 1 when a refrigerant which includes a single refrigerant and a mixed refrigerant having a characteristic that a saturated gas line and an isentrope have two or more ...
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JP4982713B2 |
The improvement system of energy efficiency for the refrigeration cycle is comprised of: an auxiliary heat exchanger unit for heat-exchanging between refrigerant liquid having high pressure and refrigerant vapor having low pressure; and ...
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JP4981469B2 |
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JP2012127606A |
To obtain a refrigeration air conditioner which achieves highly effective operation even if a plurality of evaporators are provided as user side units.A control device 20 of the refrigeration air conditioner controls a flow rate of an ex...
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JP2012127572A |
To control a degree of superheating at an inlet of a compressor while exhibiting a freeze-proofing function of an evaporator by a simple constitution.This heating hot-water supplying system including a refrigerating cycle constituted by ...
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JP2012107851A |
To solve problems on an additional heat exchanger additionally disposed in a piping system of a condenser in an outdoor unit of an air conditioner, that the additional heat exchanger has no effect in heating, though it has effect of redu...
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JP4922843B2 |
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JP4897298B2 |
A module, such as a module configured to be used in a refrigeration system, includes a gas-liquid separator which is configured to receive a first refrigerant, to separate the first refrigerant into a gas portion of the first refrigerant...
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JP4893400B2 |
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JP4893047B2 |
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JP4888500B2 |
A refrigeration equipment includes a vapor compression type of refrigerant circuit that prevents a decline in refrigeration ability in user side heat exchangers when the refrigerant condensed by a heat source side heat exchanger is reduc...
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JP4884365B2 |
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JP4870867B2 |
An air-conditioning circuit of the type comprising a compressor (10), a condenser (12), a pressure reducer (14) and an evaporator (16) which can be flowed through by a cold fluid, is described. The condenser comprises a first outlet (26)...
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JP4842022B2 |
A vapor compression refrigeration circuit comprises a compressor (14), a heat radiator (16), a high-temperature section (48) of an internal heat exchanger (28), a pressure reducer (22, 64, 68), an evaporator (18), an accumulator (24) and...
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JP4835196B2 |
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JP2011242059A |
To provide a technique capable of simply improving deterioration of temperature control capacity due to a variation of outside air temperature at a low cost.A temperature control system provided with a compressor part, a condenser part, ...
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JP4803199B2 |
A subcool condenser having a condensation heat exchange portion, a receive portion and a supercool heat exchange portion is used as an outdoor heat exchanger that functions as a radiator in a cooling operation mode so that COP in the coo...
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JP4784263B2 |
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 t...
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