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Title:
SCROLL-TYPE COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2017/163814
Kind Code:
A1
Abstract:
Provided is a scroll-type compressor capable of appropriately lubricating a sliding site inside a scroll unit. The scroll-type compressor 100 includes: a housing 10 having an intake chamber H1 and a discharge chamber H2; a scroll unit 1 that compresses and discharges refrigerant, inside a sealed space S between a fixed scroll 2 and a movable scroll 3; a bearing holding unit 30 holding a bearing 17 that rotatably supports a drive shaft 21 and forming a back pressure chamber H3 between the bearing holding unit 30 and the movable scroll 3; a back pressure adjustment valve 50; a fluid introduction passage L1 that connects the intake chamber H1 and a space H4 in the vicinity of the outer circumferential section of the scroll unit 1; a pressure supply passage L3 that connects the discharge chamber H2 and the back pressure chamber H3; and a pressure release passage L4 that connects the back pressure chamber H3 and the fluid introduction passage L1. The back pressure adjustment valve 50 is configured so as to be provided at an opening end on the fluid introduction passage L1 side of the pressure release passage L4.

Inventors:
SATO TAIZO (JP)
Application Number:
JP2017/008395
Publication Date:
September 28, 2017
Filing Date:
February 24, 2017
Export Citation:
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Assignee:
SANDEN AUTOMOTIVE CONPONENTS CORP (JP)
International Classes:
F04C18/02; F04C29/12; F04C29/02; F16K15/04
Foreign References:
JP2014169665A2014-09-18
JPH01168071U1989-11-27
JPS61144290U1986-09-05
JPS6059877U1985-04-25
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