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Patent Searching and Data


Title:
COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2020/166285
Kind Code:
A1
Abstract:
This compressor is a multi-stage compression type compressor provided with a hermetically sealed container, and a rotary compressing mechanism which is accommodated inside the hermetically sealed container and which compresses a refrigerant, wherein: the rotary compressing mechanism includes a first compressing unit into which the refrigerant is introduced, and which compresses said refrigerant, a second compressing unit into which the refrigerant compressed by the first compressing unit is introduced, and which compresses said refrigerant and discharges the same to the outside of the hermetically sealed container, and an oil supply unit which supplies oil to the inside of a compression chamber of the second compressing unit; and at least one of the oil supply unit and the second compressing unit includes a communicating passage providing communication between the oil supply passage of the oil supply unit and an oil introduction passage of the second compressing unit.

Inventors:
OGASAWARA HIROTSUGU
Application Number:
PCT/JP2020/002079
Publication Date:
August 20, 2020
Filing Date:
January 22, 2020
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F04C18/356; F04C29/00; F04C29/02
Foreign References:
JP2005139973A2005-06-02
JP2013130061A2013-07-04
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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