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Title:
COMPRESSOR, REFRIGERATION/COLD STORAGE DEVICE USING SAME, AND METHOD FOR MANUFACTURING COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2020/045485
Kind Code:
A1
Abstract:
A first member (210) and a second member (220) provided to a compressor are configured from iron or an iron-based material that is an iron alloy. The iron-based material constituting the first member (210) contains a greater amount of carbon than the iron-based material constituting the second member (220). The second member (220) is secured to the first member (210). The second member (220) has in the secured surface thereof a protrusion (211) that is formed by laser machining and that protrudes relative to the surface of the first member (210) on which the securing is done. The first member (210) has, on the surface on which the securing is done, a recess (211) that firmly adheres to and fits with the protrusion (211).

Inventors:
MORI KENTA
OKAMOTO TAKAYUKI
KUSUNOKI TOSHIHIDE
SHIMIZU ITSUO
Application Number:
JP2019/033670
Publication Date:
March 05, 2020
Filing Date:
August 28, 2019
Export Citation:
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Assignee:
PANASONIC APPLIANCES REFRIGERATION DEVICES SINGAPORE (SG)
PANASONIC IP MAN CO LTD (JP)
International Classes:
F04B39/00; F04B39/12
Domestic Patent References:
WO2015170455A12015-11-12
Foreign References:
JP2010196697A2010-09-09
JP2007247456A2007-09-27
JPH07133761A1995-05-23
JP2011172371A2011-09-01
JP2008121554A2008-05-29
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (3rd Fl, Bo-eki Bldg. 123-1, Higashimachi, Chuo-ku, Kobe-sh, Hyogo 31, 〒6500031, JP)
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