Title:
REFRIGERATING-MACHINE OIL COMPOSITION, AND COMPRESSOR FOR REFRIGERATING MACHINE AND REFRIGERATING APPARATUS EACH EMPLOYING THE SAME
Document Type and Number:
WIPO Patent Application WO/2007/072832
Kind Code:
A1
Abstract:
A refrigerating-machine oil composition which is satisfactory in both of sludge-dispersing properties and the prevention of wear and seizing on sliding parts made of aluminum and/or iron of a compressor for refrigerating machines. The refrigerating-machine oil composition is characterized by comprising a base oil which is at least one member selected among mineral oils and synthetic oils and, incorporated therein, at least one polyamide compound having two or more amide groups per molecule, the amount of the polyamide compound being 0.01-5 mass% based on the whole refrigerating-machine oil composition.
Inventors:
KANEKO MASATO (JP)
Application Number:
PCT/JP2006/325302
Publication Date:
June 28, 2007
Filing Date:
December 19, 2006
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
KANEKO MASATO (JP)
KANEKO MASATO (JP)
International Classes:
C10M133/16; C10M169/04; F25B1/00; C10M101/02; C10M103/02; C10M103/06; C10M105/06; C10M105/38; C10M107/02; C10M107/24; C10M107/32; C10M107/34; C10M107/38; C10M137/02; C10M145/20; C10M149/14; C10M149/18; C10M151/04; C10N20/02; C10N30/04; C10N30/06; C10N40/02; C10N40/30; C10N50/02
Domestic Patent References:
| WO2006120923A1 | 2006-11-16 |
Foreign References:
| JP2000063866A | 2000-02-29 | |||
| JP2002294268A | 2002-10-09 | |||
| JPH1113638A | 1999-01-19 | |||
| JP2004277787A | 2004-10-07 | |||
| JPH04506379A | 1992-11-05 |
Other References:
None
See also references of EP 1975221A4
See also references of EP 1975221A4
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (Bridgestone Toranomon Bldg. 6F. 25-2, Toranomon 3-chom, Minato-ku Tokyo 01, JP)
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