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Patent Searching and Data


Title:
COMPRESSOR, METHOD FOR MANUFACTURING COMPRESSOR, AND PIPE ENLARGING TOOL
Document Type and Number:
WIPO Patent Application WO/2017/199438
Kind Code:
A1
Abstract:
Provided is a compressor provided with a pressure sealed container that has a body part with a cylindrical shape, a bottom part joined to one end of the body part, and a cover part joined to the other end of the body part, and accommodates a compression mechanism part, a crankshaft, and a motor, with the compression mechanism part and the motor being affixed to the body part. A first inside surface, a second inside surface with an inside diameter smaller than the first inside surface, and a third inside surface extending between the first inside surface and the second inside surface are formed in the body part by first pipe enlarging forming performed before the bottom part is joined to the body part. The second inside surface and the third inside surface are enlarged to the inside diameter of the first inside surface by second pipe enlarging forming performed after the bottom part is joined to the body part. Also provided is a manufacturing method for a compressor for manufacturing the compressor described above. Also provided is a pipe enlarging tool for manufacturing the pressure sealed container described above.

Inventors:
SHIMIZU, Sota (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
AKAHORI, Yasushi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
IGAKI, Natsuki (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2016/065058
Publication Date:
November 23, 2017
Filing Date:
May 20, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
B21D39/20; B21D51/46; F04B39/12; F04C29/00
Foreign References:
JP2015093321A2015-05-18
JPS61162333U1986-10-08
JPH09310692A1997-12-02
JPS5617600U1981-02-16
JPH09314226A1997-12-09
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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