Title:
SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2015/049745
Kind Code:
A1
Abstract:
In the present invention, the following are provided: a shell (8) that forms an outer enclosure; a crankshaft (4) that is rotatably supported in the shell (8); a main bearing part (3a) that supports the crankshaft (4); an oscillating scroll member (2) that is fit so as to be offset from the rotational axis of the crankshaft (4); a fixed scroll member (1) that is fixed on the shell (8) side and that forms a compression chamber (9) for compressing a liquid between the oscillating scroll member (2) and the fixed scroll member; and a sleeve (18) which is a cylindrical bush. The crankshaft (4) is rotationally supported by the main bearing part (3a) via the sleeve (18), and between the sides of the sleeve (18) the crankshaft has a crowning surface (4b) an outer circumferential surface center of which is formed in a protruding drum shape, and the sleeve (18) has formed thereon a depression facing in the axial direction.
Inventors:
KOYAMA SHUHEI (JP)
ISHIGAKI TAKASHI (JP)
ISHIGAKI TAKASHI (JP)
Application Number:
PCT/JP2013/076864
Publication Date:
April 09, 2015
Filing Date:
October 02, 2013
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/02
Foreign References:
| JP2009275582A | 2009-11-26 | |||
| JP2009133329A | 2009-06-18 | |||
| JPH0472484A | 1992-03-06 | |||
| JP2012082714A | 2012-04-26 | |||
| JPH05312159A | 1993-11-22 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
Patent business corporation きさ patent trademark office (JP)
Patent business corporation きさ patent trademark office (JP)
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