Title:
SCROLL FLUID MACHINE AND REFRIGERATION MACHINE WITH SAME
Document Type and Number:
WIPO Patent Application WO/2016/031278
Kind Code:
A1
Abstract:
The purpose of the present invention is to facilitate the starting of a scroll fluid machine (1) which is a single plate-type compression machine-integrated expansion machine in which the low-stage-side compression section of a refrigeration device is configured together with a high-stage-side compressor. A refrigerant compressed by the compression section (3) of the scroll fluid machine (1) is sucked into a high-stage-side compression machine, and the high-pressure refrigerant compressed by the high-pressure-side compression machine is sucked into an expansion section (2). The scroll fluid machine (1) is provided with: a back-pressure chamber (52) formed on the rear surface (7c) side of a movable scroll (7), which is on the reverse side of the base surface (7b) of the movable scroll (7); an oil return passage (47) for causing the back-pressure chamber (52) and the discharge side of the compression section to be in communication with each other; and a check valve device (66) provided in the oil return passage (47) and configured so that the direction leading from a compression-side discharge chamber (22), which is on the discharge side of the compression section, to a lubricating oil chamber (26), which is on the back-pressure chamber side, is the flow-permitted direction.
Inventors:
OOTANI HISASHI (JP)
TOBE TAKAHISA (JP)
MATSUMOTO YASUOMI (JP)
TOBE TAKAHISA (JP)
MATSUMOTO YASUOMI (JP)
Application Number:
PCT/JP2015/057799
Publication Date:
March 03, 2016
Filing Date:
March 17, 2015
Export Citation:
Assignee:
SANDEN HOLDINGS CORP (JP)
International Classes:
F01C1/02; F01C13/04; F01C20/24; F04C18/02; F04C29/02; F04C29/12; F25B1/00; F25B1/04
Domestic Patent References:
| WO2013140458A1 | 2013-09-26 |
Foreign References:
| JP5209764B2 | 2013-06-12 | |||
| JP2006220143A | 2006-08-24 | |||
| JPH0510701U | 1993-02-12 | |||
| JP2000249086A | 2000-09-12 | |||
| JPH07286587A | 1995-10-31 | |||
| JPS58167893A | 1983-10-04 | |||
| JP2011027076A | 2011-02-10 | |||
| JP2010096059A | 2010-04-30 | |||
| US20070092390A1 | 2007-04-26 |
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