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Title:
SCROLL COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2013/051340
Kind Code:
A1
Abstract:
[Problem] To exchange the roller bearing that has been used in a scroll compressor mounted in an automobile with a slide bearing. To provide a slide bearing having a performance that is at least equivalent to that of a roller bearing. [Solution] The slide bearing results from baking onto a back metal a sliding layer of 5-60 wt% graphite having an average diameter of 5-50 μm and a graphitization degree of at least 0.6, the remainder comprising a polyimide resin and/or a polyamide-imide resin. The form of the graphite has: (a) an average shape factor (Y­AVE) as defined of 1-4 for the particles excluding the minute particles that are no greater than 0.5 times the average diameter, and there being at least 70% by number of particles having a shape factor (Y) in the range of 1-1.5; or (b) graphite particles having a particle ratio of at least 0.5 being at least 50% of the total by number.

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Inventors:
HORIBE NAOKI (JP)
HATTA MASAHARU (JP)
NOMURA SATOSHI (JP)
SAWAMOTO AKIRA (JP)
MASAMURA TAKAO (JP)
AKIZUKI MASANORI (JP)
TSUBOI YOUICHIROU (JP)
AOKI MAKI (JP)
HIRAOKA AKIO (JP)
Application Number:
PCT/JP2012/070490
Publication Date:
April 11, 2013
Filing Date:
August 10, 2012
Export Citation:
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Assignee:
TAIHO KOGYO CO LTD (JP)
HORIBE NAOKI (JP)
HATTA MASAHARU (JP)
NOMURA SATOSHI (JP)
SAWAMOTO AKIRA (JP)
MASAMURA TAKAO (JP)
AKIZUKI MASANORI (JP)
TSUBOI YOUICHIROU (JP)
AOKI MAKI (JP)
HIRAOKA AKIO (JP)
International Classes:
F04C18/02; C10M101/02; C10M103/00; C10M103/06; C10M107/38; C10M107/50; C10M125/22; C10M125/26; C10M147/02; C23C24/08; C23C26/00; F04C29/00; F16C17/02; F16C33/14; F16C33/16
Foreign References:
JP2004293331A2004-10-21
JPH07223809A1995-08-22
JPH07223808A1995-08-22
JP2517604B21996-07-24
JPH05331314A1993-12-14
JP2004183499A2004-07-02
JP2517604B21996-07-24
JPH033988A1991-01-10
JPH07223809A1995-08-22
JPH05331314A1993-12-14
Other References:
"Trends and tribology of car air-conditioning compressors", TRIBOLOGIST, vol. 55, no. 9, 2010, pages 603 - 608
"Tribology of compressor used in consumer electronics products", TRIBOLOGISTS, vol. 51, no. 8, 2006, pages 560 - 561
"Recent technology in roll bearings", TRIBOLOGISTS, vol. 56, no. 5, 2011, pages 277
"Trends and tribology of car air-conditioning compressor", TRIBOLOGISTS, vol. 55, no. 9, 2010, pages 603 - 608
"Using the carbon material", TRIBOLOGISTS, vol. 49, no. 7, 2004, pages 561
"Tribology of graphite material", TRIBOLOGISTS, vol. 54, no. 1, 2009, pages 6 - 7
C. R. HOUSAKA: "the use of carbon material", TRIBOLOGISTS, vol. 49, no. 7, 2004, pages 561
"Tribology of graphite material", TRIBOLOGIST, vol. 54, no. 1, 2009, pages 6 - 7
Attorney, Agent or Firm:
MURAI, TAKUO (JP)
Takuo Murai (JP)
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Claims:



 
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