SCROLL TYPE COMPRESSOR - VALEO JAPAN CO LTD

Title:

SCROLL TYPE COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2012/039109

Kind Code:

A1

Abstract:

While using an Oldham mechanism as a spin prevention unit mechanism, an Oldham ring is positively lubricated by keeping a medium mixed with oil on a back surface of a turning scroll, and a compression mechanism is kept compact. In a scroll type compressor in which an Oldham ring (18) is provided between a turning scroll member (11) and a block member (5) that axially supports a drive shaft, a fixed scroll member (10) and the block member (5) hold an annular thrust race (16) that receives a load in an axial direction from the turning scroll member (11) with the thrust race sandwiched therebetween, an end surface of the turning scroll member (11) is slidably brought into close contact with the thrust race (16) on an entire circumference thereof, the thrust race (16) is brought into close contact with the end surface of the block member (5) to the outer side in a radial direction beyond key groove portions (25b, 25c) which are paired and formed on the block member (5), the turning scroll member (11), the thrust race (16), and the block member (5) define a retention space, and the medium mixed with oil is retained in the retention space.

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Inventors:

KAWAMURA YUJI (JP)
LEE KYUNG-JAE (JP)

Application Number:

PCT/JP2011/005156

Publication Date:

March 29, 2012

Filing Date:

September 14, 2011

Export Citation:

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Assignee:

VALEO JAPAN CO LTD (JP)
KAWAMURA YUJI (JP)
LEE KYUNG-JAE (JP)

International Classes:

F04C18/02

Foreign References:

JPS61118580A	1986-06-05
JPH0719185A	1995-01-20
JPH08193581A	1996-07-30
JPH08303365A	1996-11-19
JPH08219061A	1996-08-27
JP2006266123A	2006-10-05

Other References: