Title:
SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2019/138502
Kind Code:
A1
Abstract:
This scroll compressor (S) is provided with: a compression mechanism portion (3) comprising a plurality of compression chambers (51) formed by an orbiting scroll (11) and a fixed scroll (12); a bypass port (41) providing communication between inner spaces of the compression chambers and an external suction-side space; a capacity control valve (45) for switching the opening and closing of the bypass port; and a control unit (30) which performs, after the start of a compression mechanism portion stopping process, a brake control for preventing reverse rotation of the compression mechanism portion due to an input-output pressure difference.
Inventors:
IIZUKA TAIKI (JP)
Application Number:
PCT/JP2018/000491
Publication Date:
July 18, 2019
Filing Date:
January 11, 2018
Export Citation:
Assignee:
HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (JP)
International Classes:
F04C28/06; F04B49/10; F04C28/26
Foreign References:
JP2000045970A | 2000-02-15 | |||
JPH05223361A | 1993-08-31 | |||
JP2000287485A | 2000-10-13 | |||
JPH02130285A | 1990-05-18 | |||
JPH09121590A | 1997-05-06 | |||
JPS4726884Y1 | 1972-08-17 | |||
JP2015081745A | 2015-04-27 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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