TWO-STAGE COMPRESSION DEVICE AND REFRIGERATION/AIR-CONDITIONING APPARATUS EMPLOYING THE SAME
PROBLEM TO BE SOLVED: To provide a two-stage compression device of which the configuration is simplified and the cost is reduced and which is made small-sized and compact by reducing the number of components by omitting an oil separator from the two-stage compression device in which two compressors...
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| creator | HOTTA YOHEI KIMATA HISAYUKI MIZUNO HISAO TANIGUCHI YUKIHIRO |
| description | PROBLEM TO BE SOLVED: To provide a two-stage compression device of which the configuration is simplified and the cost is reduced and which is made small-sized and compact by reducing the number of components by omitting an oil separator from the two-stage compression device in which two compressors are connected in series, and a refrigeration/air-conditioning apparatus employing the same.SOLUTION: In a two-stage compression device 2, a refrigerant is compressed on two stages by two compressors 10, 20 at lower-stage and higher-stage sides connected in series. Between the two compressors, the compressor 10 at the lower-stage side is a low-pressure housing type compressor 10, and the compressor 20 at the higher-stage side is a high-pressure housing type compressor 20. An oil reservoir 25 of the high-pressure housing type compressor 20 and an oil reservoir 15 of the low-pressure housing type compressor 10 are connected via oil return piping 27. |
| format | Patent |
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Between the two compressors, the compressor 10 at the lower-stage side is a low-pressure housing type compressor 10, and the compressor 20 at the higher-stage side is a high-pressure housing type compressor 20. 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Between the two compressors, the compressor 10 at the lower-stage side is a low-pressure housing type compressor 10, and the compressor 20 at the higher-stage side is a high-pressure housing type compressor 20. An oil reservoir 25 of the high-pressure housing type compressor 20 and an oil reservoir 15 of the low-pressure housing type compressor 10 are connected via oil return piping 27.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS |
| title | TWO-STAGE COMPRESSION DEVICE AND REFRIGERATION/AIR-CONDITIONING APPARATUS EMPLOYING THE SAME |
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