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JP2019163867A |
To disclose one example of a vapor-compression refrigerator employing a gas injection cycle system, which can restrain refrigeration capacity (heat absorption capacity) occurring at an evaporator from deteriorating.When a value obtained ...
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JP6576603B1 |
The air conditioner according to the present invention includes a heat source unit that generates hot or cold heat and transfers it to a refrigerant, a heat utilization unit that exchanges heat or cold heat transferred from the heat sour...
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JP6574630B2 |
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JP6569855B2 |
The condenser of the heat-exchanging device is provided with a flow passage through which a high-pressure refrigerant flows. The flow passage is structured by openings formed in the plurality of plates. Inside the flow passage, an inner ...
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JP6549469B2 |
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JP2019086200A |
To provide an air-conditioning system exclusive for cooling for suppressing costs.An air-conditioning system 100 is an air-conditioning system exclusive for cooling, and includes a plurality of indoor units 30 including an indoor heat ex...
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JP2019086208A |
To provide a refrigeration cycle device which improves heat exchange efficiency of an internal heat exchanger during a heating operation while suppressing power consumption during a defrosting operation by reducing pressure loss of a hig...
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JP2019086239A |
To provide a refrigeration cycle device enabling reduction of refrigerant passing noise.A refrigeration cycle device includes: a main circuit 10 that is formed by connecting a compressor 11, a condenser 12 and an evaporator 13 and in whi...
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JP6507071B2 |
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JP2019056536A |
To provide a refrigeration cycle device having excellent energy saving performance by suppressing compressor power in a defrosting operation mode while improving energy consumption efficiency during heating operation.A refrigeration cycl...
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JP2019039597A |
To suppress a defect that a refrigerant liquefied inside an outer pipe or a lubricating oil contained in the refrigerant remains in a lower portion of the outer pipe.There is provided a double-pipe heat exchanger 30 comprising: an inner ...
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JP6458918B1 |
During cooling, the refrigerant discharged from the compressor (21) and liquefied by the heat source side heat exchanger (22) is spirally rotated before reaching the decompression device (32), and the acceleration phenomenon of the refri...
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JP2019002351A |
To supply a cooling medium at a suitable temperature to a first heat exchanger in a cooling system for cooling the cooling medium flowing through the first heat exchanger and the cooling medium flowing through a second heat exchanger wit...
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JP6413692B2 |
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JP6404539B2 |
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JP6379769B2 |
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JP6371688B2 |
A heat pump comprises an outdoor unit (50) which includes:a receiver (17); a subcooler (18) provided in a liquid refrigerant path of a refrigerant flow downstream of the receiver (17); an accumulator (26) provided in an intake path of a ...
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JP6368654B2 |
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JP6341099B2 |
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JP2018066514A |
To provide a refrigeration device configured to introduce refrigerant changed by defrosting into another cooling unit through a liquid pipe for defrosting, to evaporate the refrigerant.A refrigeration device is configured such that a plu...
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JP2018059655A |
To provide a technology for sufficiently securing a flow rate of a refrigerant from a condenser to an evaporator.A refrigeration cycle device (100) includes: an evaporator (6); a compressor (3); a condenser (4); a steam route (7) includi...
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JP6282135B2 |
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JP6267952B2 |
To provide a refrigeration cycle device for allowing efficient operation even at a low outside air temperature.A refrigeration cycle device 1 includes a compressor 2, a condenser 4, an expansion valve 5, and an evaporator 6a connected vi...
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JP2017223408A |
To provide a double pipe internal heat exchanger capable of improving heat exchange efficiency by smoothly circulating a fluid such as a high temperature high pressure cooling medium circulating the inside-to-outside passage composed of ...
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JP6250428B2 |
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JP2017215130A |
To provide a downsized internal heat exchanger for vehicle having a simple structure.An internal heat exchanger for vehicle includes a plurality of heat exchange units 1 and 2 that each have: a pair of header tanks arranged separately; a...
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JP6242289B2 |
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JP2017207274A |
To provide a heat exchanger as an air-cooled condenser that can operate at a lower condensing temperature at very high ambient air temperatures.A heat exchanger 26 is provided with stacked coil sections 34. Each of the stacked coil secti...
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JP2017198392A |
To provide a double tube capable of suppressing increase of passage resistance at a bent part and having high pressure resistance.A double tube is used as an internal heat exchanger 5 of a refrigeration cycle 1 mounted on a vehicle, and ...
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JP6216077B2 |
The present invention discloses a switchable two-stage and cascade marine energy-saving ultralow-temperature refrigeration system which comprises a high-temperature level refrigeration system, a low-temperature level refrigeration system...
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JP2017187256A |
To provide a compact heat exchanger while improving a heat exchanging capacity of the heat exchanger.An air heat exchanger 41 includes a plurality of flat porous pipe 63 and a heat transfer fin group 64, in which heat is exchanger betwee...
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JP2017146068A |
To provide a refrigerating machine capable of appropriately operating against the increase in refrigerant circulation amount that can occur when using a plate type heat exchanger as an inter-cooler.A refrigerating machine comprises: a tu...
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JP6184314B2 |
An accumulator 1 includes a container 2, a low pressure refrigerant inlet tube 3, and a low pressure refrigerant outlet body 4 including an upstream-side tubular section, a low pressure refrigerant turning back section and a downstream-s...
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JP6177195B2 |
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JP2017133010A |
To provide a heat transfer fluid that does not cause ozone depletion and has low global warming effect, excellent heat transfer properties, chemical stability, low-toxicity, non-flammability and/or lubricant compatibility; and to provide...
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JP2017121818A |
To provide a control device for a cooling device that can secure a flow rate of a refrigerant even when thermal load received by a refrigeration cycle is not only relatively large but also small and can highly accurately contribute to to...
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JPWO2016038830A1 |
The heat exchange device has a plate stacking portion in which a plurality of plates are continuously laminated. This plate laminated portion includes a condenser portion, an evaporator portion, and an internal heat exchange portion. The...
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JP2017101856A |
To provide a freezing device that inhibits frost from incompletely melting in a lower part of a frosting use-side heat exchanger on the reverse cycle defrosting operation and prevents a configuration and controlling of a device from beco...
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JP2017101897A |
To provide a refrigeration cycle device capable of downsizing a liquid-return flow rate adjusting part.A refrigeration cycle device 1 includes an accumulator 17, a liquid-return flow pipe 18, a liquid-return flow rate adjusting part 19, ...
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JP6138711B2 |
The purpose of the invention is to reduce defrost operation time and to be able to draw a sufficient heat required for melting frost adhering to an outdoor heat exchanger while maintaining compressor reliability. An air conditioning devi...
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JP2017087788A |
To provide an air conditioner for a vehicle which achieves high cooling performance while inhibiting resistance exerted on airflow by a supercooling heat exchanger.An air conditioner 80 for a vehicle includes: a duct 10 in which a passag...
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JP6100169B2 |
A system for cooling a refrigerant includes (a) an evaporator comprising one or more lengths of tubing each having an upstream first cross-sectional area and a second downstream cross-sectional area, the second cross-sectional area being...
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JP2017503141A |
A method of manufacturing a heat exchanger (1) having at least one heat transfer surface that can be used in thermodynamic processes that use fluids that are condensed, expanded, evaporated, and compressed during the circulation process....
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JPWO2014083900A1 |
INDUSTRIAL APPLICABILITY According to the present invention, the thermal energy of the high-temperature refrigerating machine oil discharged from the first discharge passage of the compressor can be effectively used, the rotational resis...
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JP6040666B2 |
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JP6037637B2 |
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JP6021379B2 |
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JP5993673B2 |
To provide a double bundle type freezing machine capable of: effectively utilizing a sub-cooler regardless of an operation mode of the double bundle type freezing machine; and improving energy saving performance.A double bundle type free...
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JP5988904B2 |
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JP5963970B2 |
Provided is a refrigeration device that makes it possible to effectively eliminate problems caused by dryicing of carbon dioxide. This refrigeration device (R) is provided with a refrigerant circuit in which a refrigerant discharged from...
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