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Document Title |
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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JP2011185507A |
To provide a refrigerating cycle device with favorable efficiency and capable of providing sufficient heating capacity when an outside air temperature is low.The refrigerating cycle device and a hot water heating device including the sam...
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JP2011179689A |
To prevent space of a machine from being increased when an internal heat exchanger and a bypass circuit are mounted on a refrigeration cycle device.The refrigeration cycle device includes: a primary circuit comprising a compressor, a con...
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JP4771721B2 |
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JP4759312B2 |
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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JP2011149636A |
To provide an air conditioner capable of preventing breakage of a compressor and suppressing temperature rise of a refrigerant sucked to the compressor.The vehicular air conditioner 1 includes: the compressor 2; a condenser 3 cooling a r...
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JP4741468B2 |
Method for liquefying a gas which comprises cooling a feed gas stream successively through first and second temperature ranges to provide a liquefied product, wherein refrigeration for cooling the feed gas stream in the first temperature...
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JP4731806B2 |
A refrigeration cycle apparatus has a refrigerant circuit A. The refrigerant circuit A comprises a compressor 11, a refrigerant passage 12a of a radiator 12 as a water heating heat exchanger, a high pressure side refrigerant passage 15a ...
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JP4734161B2 |
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JP4733979B2 |
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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JP4727051B2 |
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JP2011133224A |
To provide a refrigerating device capable of quickly collecting a refrigerant in a refrigerant circuit at the stop of a compressor into an expansion tank and reducing a load added to the compressor in restarting.The refrigerating device ...
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JP2011133188A |
To provide an internal heat exchanger improving heat exchange efficiency of the internal heat exchanger in a refrigerating cycle, having a simple structure permitting easy manufacturing and having high flexibility of a shape in accordanc...
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JP4716835B2 |
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JP4718716B2 |
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JP4704728B2 |
There is provided a system and method for controlling a temperature of a refrigerant in an air conditioner, in which a supercooling degree and/or a superheating degree can be secured by controlling a difference in refrigerant temperature...
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JP4704167B2 |
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JP2011102665A |
To properly ensure the flow rate of a recirculating refrigerant, even when a refrigeration cycle provided with an internal heat exchanger operates in an extremely low load.In the refrigeration cycle with a certain configuration including...
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JP4688369B2 |
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JP2011515644T |
[Subject] A heat exchanger for an air-conditioning system which can simplify structure of a heat exchanger in an exit of the 1st fluid and an entrance of the 2nd fluid is provided. [Means for Solution] The 1st tube is spiral around axis ...
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JP2011080729A |
To provide an air conditioner capable of using pressure-rising action of an ejector in all operation of cooling, heating and dehumidifying, capable of effectively using a refrigerant, and capable of preventing air containing a large amou...
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JP4664095B2 |
The control method has the opening and closing movement of the valve closure element (39) controlled within a regulation region, in dependence on the pressure difference between the input pressure at the feed opening (34) and the output ...
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JP2011043273A |
To efficiently recover power by an expanding device in a heat pump type heating liquid system using an expanding device integral-type compressor.The heat pump type heating liquid system 1A includes: a refrigerant circuit 3 having the com...
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JP4643135B2 |
In summary, the invention provides a multi-type air conditioner including an outdoor unit (A) having a compressor (1), an outdoor heat exchanger (2), a flow path control valve (6) for controlling a flow path of the refrigerant from the c...
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JP2011033239A |
To provide a heat transfer pipe which improves heat exchange efficiency and has a thin outer pipe, an air conditioner including the heat transfer pipe, and to provide a method for manufacturing the heat transfer pipe.The heat transfer pi...
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