Compressor with thrust bearing having insular pressure-...

Details Compressor with thrust bearing having insular pressure-... Compressor with thrust bearing having insular pressure-...

2011-08-30

2011-08-30

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Working member has planetary or planetating movement

Helical working member, e.g., scroll

C418S055100, C418S057000, C418S178000, C384S123000, C384S420000

Reexamination Certificate

active

08007262

ABSTRACT:
A scroll compressor (11) comprising a thrust bearing (53) including a first sliding surface (100) and a second sliding surface (101) in opposed relation to the first sliding surface (100) is disclosed. The first sliding surface (100) is formed with a plurality of insular pressure-receiving portions (83) surrounded by grooves (85) and independent of each other. The part of the second sliding surface (101) in opposed relation to the pressure-receiving portions (83) is flat as compared with the first sliding surface (100). The outermost front surface of the second sliding surface (101) is formed with a diamond-like carbon layer (101a).

REFERENCES:
patent: 4637786 (1987-01-01), Matoba et al.
patent: 2008/0050260 (2008-02-01), Iwanami et al.
patent: 2000136782 (2000-05-01), None
patent: 2001-115959 (2001-04-01), None
patent: A-2006-200455 (2006-08-01), None
patent: A-2006-316677 (2006-11-01), None
patent: 2008-051045 (2008-03-01), None
Notice of Reasons for Rejection mailed on Mar. 2, 2010 issued from the Japanese Patent Office in the corresponding Japanese patent application No. 2007-133689 (with English translation).
Office Action dated Jun. 30, 2009 from the Japan Patent Office in the corresponding JP Application No. 2007-133689 (and English Translation).

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