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Title:
COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/092916
Kind Code:
A1
Abstract:
This compressor comprises a plurality of compressor units linked by means of a pressure equalizing pipe and an oil equalizing pipe, the plurality of compressor units including a first compressor unit which operates regardless of load, and a second compressor unit which operates when a preset load is exceeded. The pressure equalizing pipe allows an upper space above a compression mechanism portion in a sealed container of the first compressor unit to communicate with a lower space below a compression mechanism portion in a sealed container of the second compressor unit. The oil equalizing pipe allows oil wells of the plurality of compressor units to communicate with each other.

Inventors:
KIMOTO, Takaya (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
MOROE, Shogo (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
NAKAO, Hideto (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SEKIYA, Shin (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
SAITA, Sho (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
KAKUDA, Masayuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2018/025351
Publication Date:
May 16, 2019
Filing Date:
July 04, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
F04B41/06
Foreign References:
JPH0735045A1995-02-03
JP2007024439A2007-02-01
JPS56175584U1981-12-24
JPS58120885U1983-08-17
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (East 8F, TORANOMON TWIN BLDG. 10-1 Toranomon 2-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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