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JP2017110892A |
To provide a heat pump device that does not inhibit cooling of load side circulation liquid during a cooling operation for cooling the load side circulation liquid by using a load side heat exchanger to supply cold.A heat pump device inc...
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JP2017099206A |
To provide a novel connection configuration at a connection position of an end part of one end of an insulated electric wire of a stator winding body, wanting use of a braid coating wire even when assuming a heat exchange apparatus in wh...
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JP6105511B2 |
An insulating material that tends not to hydrolyze is used to thereby provide a heat pump apparatus having long-term reliability. An electric motor (6) of a compressor (1) is fixed to a sealed container (10) and includes a stator (6s) ar...
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JP2017048745A |
To provide a sealed compressor with little noise.A pair of snub bars 140 and 142 is provided on an electric compression element 110 and a sealed container inner surface, and the electric compression element is elastically supported throu...
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JP6083173B2 |
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JP6080967B2 |
In an interior permanent magnet motor, a plurality of slits are formed between a rotor outer peripheral surface of a rotor and a radially-outer insertion hole contour surface of a magnet insertion hole. Assuming that a total area of the ...
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JP2016211806A |
To provide a refrigeration device capable of reliably and efficiently circulating lubricant between a plurality of compressors.The number of operating compressors and abilities of plural compressors are controlled according to load, and ...
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JP6030138B2 |
Method and installation for refrigerating the same application by means of several refrigerators/liquefiers disposed in parallel, the refrigerators/liquefiers in parallel using a working gas of the same nature having a low molar mass, th...
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JP6021077B2 |
Provided is a refrigeration device capable of stable operation over a long period of time, and preventing damage to the interior of a refrigeration unit and a decline in performance of the refrigeration cycle through capture of polymers ...
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JP2016176452A |
To provide a hermetic type compressor with high durability which prevents lowering of the natural frequency of a discharge path and which prevents breakage and avoids resonance of a discharge inlet pipe and a discharge outlet pipe due to...
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JP2016125773A |
To provide a liquefied gas cooling device that can facilitate maintenance of compressors, can shorten the maintenance time and can operate a system while maintaining part of the compressors.A liquefied gas cooling device 1 includes: a ga...
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JP5940489B2 |
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JP5941297B2 |
This refrigeration machine (100) is provided with a first intermediate cooler (40) and a second intermediate cooler (50) which is disposed downstream of the first intermediate cooler (40). The first intermediate cooler (40) is an indirec...
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JP2016065655A |
To provide an air conditioner capable of simplifying a pipe design around compressors, restricting unbalanced state of lubricant oil at the compressors even if the piping design around the compressors is simplified and performing an effi...
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JP5911637B2 |
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JP5837997B2 |
An apparatus and method for cooling a compressor motor (152) having a motor stator (162) and cooling a rotor (166) in a refrigerant system (100). The method cools the rotor and the stator, electromagnetic bearings (160) located within a ...
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JP2015203563A |
To provide a refrigerant circulation path for beneficial use of an intermediate stage of the refrigerant circulation path by making a refrigerant of two-phase nature coming from a cylinder pass a third heat exchanger, capable of cooling ...
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JP2015137835A |
To provide a temperature regulator which can reduce operation sound caused by operation of a compressor, and air-blowing sound.A temperature regulator 1 supplies a heat transfer liquid whose temperature is regulated by a heat exchanger 5...
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JP5743683B2 |
To reduce standby power at the stop of a compressor.The compressor includes: a compressor body 11; an absorbent filling member 51 having an absorbent which generates heat when absorbing a reaction working fluid and covering the compresso...
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JP2015025390A |
To provide a hermetic type compressor which is highly efficient, which has low noise and excellent startability by preventing a lubricating oil contained in a refrigerant gas from staying in an auxiliary discharge chamber connected to a ...
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JP2015500453A |
A method is provided that includes a step of receiving a first input indicating the desired design capability of the cooling system and a step of receiving a second input indicating the desired maximum acoustic noise of the cooling syste...
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JP5639825B2 |
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JP2014202068A |
To prevent loss of efficiency in operation due to inputting extra electric power for generation of core loss (especially eddy current loss) caused by that magnetic flux of a permanent magnet disposed in a rotor of a compressor flows into...
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JP5568132B2 |
Disclosed is a refrigeration cycle apparatus comprised of a suction pipe having a T-shaped branch pipe which divides a flow of refrigerant from an accumulator into flows of the refrigerant toward suction ports of a plurality of compresso...
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JP5554054B2 |
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JP5523794B2 |
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JP5478927B2 |
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JP5414900B2 |
There is provided a rotor of a permanent magnet embedded motor that can reduce magnetic saturation due to slits arranged in outer circumferential iron core sections of permanent magnet insertion holes and reduce a torque ripple. A rotor ...
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JP5403923B2 |
To provide a turbo refrigerating machine for reducing a dimension in the longitudinal direction. This turbo refrigerating machine includes a turbo compressor 3 for compressing a refrigerant, a condenser 5 for condensing the compressed re...
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JP5386201B2 |
A heat pump apparatus that is capable of suppressing an increase in the installation area therefor and volume thereof is provided. A heat pump apparatus (1) includes a compressor (5) that compresses refrigerant, a condenser (2) that liqu...
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JP5358670B2 |
In a heat pump with an evaporator (200) and a liquefier (500) as well as a gas region extending between the evaporator and the liquefier, the liquefier (500) is arranged above the evaporator (200) in a setup direction for operation of th...
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JP5276499B2 |
To provide a refrigerating device eliminating the possibility of lubrication failure to be caused by shortage of lubricating oil on a main compressor side even when only the main compressor is used for a long time. In the refrigerating d...
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JP5247045B2 |
An electric compressor provided with an integral inverter, incorporated with a motor and provided in a compressor housing with a motor drive circuit that includes the inverter. At least some of electric parts including the motor drive ci...
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JP5206362B2 |
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JP5193011B2 |
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JP2013076325A |
To prevent a liquid backflow phenomenon from occurring that a liquid-form working-fluid is led to a compression mechanism, in a hermetic compressor that once retains low-pressure working-fluid in a hermetically-sealed case and guides the...
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JP5153301B2 |
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JP5150253B2 |
The invention relates to a refrigeration machine, particularly a heat pump, comprising a closed circuit, which contains a coolant and in which an evaporator, a compressor, a condenser and an, in particular, electrically operated expansio...
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JP5136498B2 |
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JP2012225556A |
To provide a heat pump system which achieves more cost reduction and more highly efficient operation than a conventional system.The heat pump system includes a compressor 11, an engine 31 installed via an engine side clutch 29 configured...
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JP5062039B2 |
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JP5056794B2 |
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JP5050857B2 |
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JP2012163302A |
To allow a margin capability of a compression mechanism of a refrigerant circuit to be utilized for a use side heat exchanger in overload state in case that the compression mechanism of the refrigerant circuit has the margin capability, ...
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JP5006515B2 |
Natural gas liquefaction system having an optimum configuration of mechanical drivers and compressors. A heat recovery system can be employed with the liquefaction system to enhance thermal efficiency. A unique start-up system can also b...
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JP5001730B2 |
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JP4902585B2 |
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JP4882765B2 |
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JP4836305B2 |
Moisture in a refrigeration circuit is absorbed by means of a polyvinyl ether oil that has hygroscopicity and serves as a refrigerating machine oil. Therefore, even if a compressor comes to have an elevated temperature attributed to the ...
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JP4815240B2 |
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