LUBRICANT COMPOSITION

Title:

LUBRICANT COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2007/114135

Kind Code:

A1

Abstract:

A lubricant composition that excels in suppression of the hydrogen brittle flaking of member, such as a rolling bearing, slide bearing, gear, ball screw, linear guide, linear bearing, cam or any of various joints, placed in high-concentration hydrogen environment. There is provided a lubricant composition comprising a base oil and an additive, wherein the additive is at least one member selected from the group consisting of an organic sulfonic acid salt, a carboxylic acid salt, a thiocarbamic acid salt and a thiophosphoric ester salt. Further, there is provided a rolling bearing, slide bearing, gear, ball screw, linear guide, linear bearing, cam or any of various joints wherein use is made of the above lubricant composition.

Inventors:

ENDO TOSHIAKI (JP)
DONG DA MING (JP)
IMAI YUTAKA (JP)

Application Number:

PCT/JP2007/056574

Publication Date:

October 11, 2007

Filing Date:

March 28, 2007

Export Citation:

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Assignee:

KYODO YUSHI (JP)
ENDO TOSHIAKI (JP)
DONG DA MING (JP)
IMAI YUTAKA (JP)

International Classes:

C10M129/26; C10M101/02; C10M105/02; C10M105/18; C10M105/38; C10M107/02; C10M113/12; C10M113/16; C10M115/08; C10M117/02; C10M119/22; C10M129/32; C10M129/40; C10M129/50; C10M135/10; C10M135/18; C10M137/10; C10M159/24; C10M169/02; C10M169/04; F16C33/10; F16C33/66; C10N10/02; C10N10/04; C10N10/08; C10N10/10; C10N10/12; C10N10/16; C10N30/00; C10N30/06; C10N40/02; C10N40/04; C10N50/10

Domestic Patent References:

WO2006112502A1

2006-10-26

Foreign References:

JP2004125165A	2004-04-22
JPH05263091A	1993-10-12
JP2002121577A	2002-04-26
JP2003106338A	2003-04-09
JPH03210394A	1991-09-13
JPH03250094A	1991-11-07
JPH05263091A	1993-10-12
JP2002130301A	2002-05-09
JP2002250351A	2002-09-06

Other References: