Title:
SCROLL COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/003335
Kind Code:
A1
Abstract:
This scroll compressor is provided with: a frame which slidably retains an orbiting scroll; a fixed scroll which together with the orbiting scroll forms a compression chamber; and a shell which fixes the fixed scroll separately from the frame; wherein the shell includes a cylindrical main shell containing a thick-walled portion and a thin-walled portion formed with a thin wall and having an inner diameter greater than that of the thick-walled portion, and the fixed scroll includes a placement end portion which is placed on a boundary part of the thick-walled portion and the thin-walled portion, an annular protrusion which has a large diameter at least equal to that of the placement end portion and is in contact with an inner wall portion of the thin-walled portion, and a small-diameter end portion which is on the opposite side to the placement end portion, across the annular protrusion, and has a smaller diameter than the annular protrusion.
Inventors:
YOKOYAMA TETSUHIDE (JP)
IWASAKI TOSHIAKI (JP)
TAKAI AKIHITO (JP)
IWASAKI TOSHIAKI (JP)
TAKAI AKIHITO (JP)
Application Number:
PCT/JP2017/023717
Publication Date:
January 03, 2019
Filing Date:
June 28, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F04C18/02; F04C29/00
Foreign References:
| JPH0932771A | 1997-02-04 | |||
| JPH0315686A | 1991-01-24 | |||
| JP2001329954A | 2001-11-30 |
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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