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JP2012032086A |
To provide an intermediate heat exchanger capable of preventing deterioration in refrigerant condensation efficiency of a condenser used for an air conditioner.The intermediate heat exchanger 10 includes: a double pipe heat exchanger 11 ...
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JP4864113B2 |
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JP2012007861A |
To provide a refrigerant circuit device capable of adjusting a heating amount in each chamber and excellently heating commodities in each chamber when there are a plurality of chambers to be heating objects.The refrigerant circuit device...
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JP4852408B2 |
To improve heat exchanging efficiency of a use side heat exchanger in both cooling and heating operation modes and improve refrigerating efficiency. The heat pump type refrigeration device is configured by forming a refrigeration cycle t...
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JP4853125B2 |
To provide a steam generating system with high energy efficiency. The steam generating system comprises a heat pump 10 in which a working medium flows, and a feeding pathway 20 in which a heated medium flows. The feeding pathway 20 has a...
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JP2012500380A |
A heat pump-type cooling/heating system of the present invention includes a refrigeration circuit, a hot water generating means and an indoor heat exchanger assisting means. In the refrigeration circuit, a compressor, a four-way valve, a...
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JP2012002489A |
To provide an extension condenser that is easily added to a refrigerating cycle device and improves condensation efficiency, and a refrigerating cycle device with the extension condenser including the extension condenser.The refrigeratin...
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JP4839141B2 |
To improve energy efficiency irrespective of a usage pattern of hot water by eliminating hot water shortage in a heat pump hot water supply system. The heat pump hot water supply system 100 is provided with a heat pump coolant circuit 90...
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JP4833931B2 |
To reduce unnecessary power consumption in a heat pump system in which a plurality of heat exchange units are connected to one heat pump unit. In this heat pump system, between a tank unit 2 and an indoor unit 3 of an air conditioner con...
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JP4814823B2 |
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JP4813599B2 |
In order to provide a refrigeration cycle device that is compact and efficiently utilizing an expansion machine and reduced in manufacturing cost through the use of a first compressor and second compressor driven by an expansion machine,...
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JP2011220616A |
To provide a refrigeration apparatus which has improved efficiency of heat exchange by controlling flow velocity of a refrigerant suitably, and reducing a pressure loss suitably when the flow velocity of the refrigerant is made high.The ...
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JP4807367B2 |
To provide a heat pump type water heater can reduce a refrigerant charging amount without degrading heat exchanging performance. This heat pump type water heater includes a first radiator 11 having a refrigerant flow channel and a water ...
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JP4808732B2 |
The heat exchanger includes conduit systems for coolant and cooled fluid, thermally coupled for heat transfer. It has several sections (17) hydraulically coupled to each other in parallel and/or series. In every section, at least one flu...
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JP4799548B2 |
A compressor has at least three-rotors. A first compression path between first inlet and outlet ports is associated with interaction of the first and second rotors. A second compression path between second inlet and outlet ports is assoc...
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JP4797727B2 |
A refrigerant circuit (10) operates in a refrigeration cycle in which the pressure of refrigerant discharged from a compressor (22) is at or above the critical pressure. In performing an operation in which a first indoor heat exchanger (...
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JP4794891B2 |
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JP2011202833A |
To provide an air conditioner capable of preventing or reducing liquid return to a compressor even when operation of part of indoor units is stopped during heating operation.The air conditioner includes a refrigerating cycle, an indoor h...
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JP4790685B2 |
To solve a problem in a conventional temperature adjusting device that a heating capacity is insufficient, and a ratio of a medium distributed to a heating circuit and a cooling circuit is not displayed. This precision temperature adjust...
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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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JP2011185469A |
To provide a heat storage type heat pump device of high reliability, high efficiency and a small installation area, capable of being utilized in cold districts.In the heat pump device, a refrigerant circuit 10 is formed by a compressor 1...
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JP4779052B1 |
[Task] By integrating hot water generation and cooling, we provide a cooling hot water supply device with high thermal efficiency. The cooling hot water supply device 260 of the present invention has a winter mode that stores the maximum...
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JP4776511B2 |
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JP4760559B2 |
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JP2011163654A |
To provide a new hot water supply air conditioner wherein an indoor unit is shared by a hot water supply system and an air conditioning system.The hot water supply air conditioner 1a includes first refrigerant piping L1 through which a r...
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JP4752429B2 |
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JP2011152827A |
To stably circulate a cooling media and improve a heat exchange efficiency so as to maintain good air conditioning performance, with a simple and low-cost configuration.A cooling media accumulating structure of a vehicle air conditioning...
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JP4727137B2 |
To obtain an air-conditioning system improved in performance and efficiency by controlling the capacity of an outdoor heat exchanger and reducing a pressure loss caused by a four-way valve part. This system comprises a plurality each of ...
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JP2011127864A |
To provide an air conditioner capable of suppressing energy consumption while providing sufficient heating/cooling effect fitted to user's demand by specifying a place where a living body such as a human exists, and surely performing hea...
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JP4705157B2 |
A refrigeration system includes a compressor for driving a refrigerant along a flow path in at least a first mode of system operation; a first heat exchanger along the flow path downstream of the compressor in the first mode; a second he...
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JP2011112327A |
To provide an air conditioner with high efficiency by reducing pressure loss of an outdoor heat exchanger, an indoor heat exchanger and a connection pipe even when using a refrigerant with a small refrigeration capability per unit volume...
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JP4698256B2 |
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JP4688711B2 |
To provide an air conditioning apparatus, avoiding transient drift of refrigerant without a distributor requiring a large installation space, and restoring the flow of refrigerant to the initial suitable state even when a drift occurs in...
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JP4688561B2 |
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JP2011094931A |
To immediately start an air conditioning operation in starting the air conditioning operation.This air-conditioning hot water supply system 1 includes a refrigerant circuit 10 configured by successively connecting a compressor 11, a hot ...
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JP2011094932A |
To accelerate the start an air conditioning operation in starting the air conditioning operation.This air-conditioning hot water supply system 1 includes a refrigerant circuit 10 configured by successively connecting a compressor 11, a h...
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JP4675927B2 |
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JP4668021B2 |
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JP2011064401A |
To shorten a refrigerant pipe by installing a heat exchanger of an air conditioning device on close position of an outdoor unit, to unify a temperature of hot water in a hot water storage tank by forcibly circulating the hot water by a p...
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JP2011052854A |
To provide a heat pump hot water supply device capable of keeping high heat efficiency in condensers, reducing probability of leakage of a refrigerant, and ensuring high safety even when a flammable refrigerant is used.This heat pump typ...
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JP4644923B2 |
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JP4647512B2 |
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JP2011043287A |
To inexpensively achieve a heating system having high reliability, high efficiency and a small installation area by providing a heat storage circuit and a heat storage use circuit to optimally control heat storage operation and heat stor...
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JP2011038733A |
To provide an air conditioner enabling highly efficient heat exchange without drastically increasing cost while reducing environmental load.In the air conditioner 1, a compressor 21, a condenser 22 functioning as a condenser during cooli...
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JP2011038748A |
To exhibit a high performance coefficient without increasing a compression ratio even at high temperature in summer, in a refrigerating machine using carbon dioxide as a refrigerant.A high-pressure gas of carbon dioxide compressed by a c...
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JP2011033211A |
To provide a refrigerating device capable of suppressing the clogging of a strainer caused by an oxidized scale by reducing an amount of refrigerating machine oil passing through the strainer, as a result, capable of increasing a capturi...
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JP4634337B2 |
To provide a heat pump type snow melting air conditioner having also a snow melting apparatus by a heat pump using a cooling cycle, in addition to an ordinary air-conditioner. The heat pump type snow melting air conditioner is equipped w...
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JP4630772B2 |
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JP2011021830A |
To solve a problem wherein in a conventional temperature control device, humidity of discharged air the temperature of which is controlled is not controlled.This temperature and humidity control device includes: a heating circuit side wi...
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JP4622960B2 |
The device (10) has coolers (13) arranged on a downstream side of a bypass section (A) such that an amount of heat radiated from a cooling agent in one of the coolers is smaller than the heat in the other cooler. A throttle device (20) d...
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