Title:
SCROLL COMPRESSOR AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/123657
Kind Code:
A1
Abstract:
Provided is a highly reliable scroll compressor, etc., having a simple configuration. This scroll compressor (100) comprises: a sealed container (1); an electric motor (4); a crankshaft (3); a fixed scroll (21); a turning scroll (22); an upper frame (23); and a lower frame (7). The lower frame (7) has a flange (73) in at least a part of the circumferential edge thereof. A part in the vicinity of the lower end of a cylindrical chamber (11) and a part in the vicinity of the edge of a bottom chamber (13) are fixed in a state of sandwiching the flange (73) therebetween. A lateral surface groove (73a) recessed radially inward is provided to the lateral surface of the flange (73) in the circumferential direction.
Inventors:
IIJIMA RYOTA (JP)
MATSUNAGA KAZUYUKI (JP)
MATSUNAGA KAZUYUKI (JP)
Application Number:
PCT/JP2020/045715
Publication Date:
June 16, 2022
Filing Date:
December 08, 2020
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
F04C18/02; F04C29/00
Domestic Patent References:
| WO2020202515A1 | 2020-10-08 |
Foreign References:
| JPH07158577A | 1995-06-20 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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