Title:
等速ジョイント用グリース組成物及び等速ジョイント
Document Type and Number:
Japanese Patent JP4884211
Kind Code:
B2
Abstract:
The present invention provides a grease composition for use in a constant velocity joint, which is excellent in the resistance to flaking. The grease composition comprises the following components (a) to (d):
(a) a base oil; (b) a thickener; (c) an organic molybdenum compound; and (d) at least one compound selected from the group consisting of oxides of divalent typical metals having a Mohs hardness lower than that of the steel and compounds of the foregoing divalent typical metals, which can immediately be converted into the corresponding oxides of these metals having a Mohs hardness lower than that of the steel under the boundary lubrication conditions. In particular, the present invention relates to a grease composition for use in a constant velocity joint, wherein the component (d) is zinc oxide or zinc carbonate and wherein the component (c) is molybdenum dithiocarbamate.
Inventors:
Ryo Taniguchi
Shinya Kondo
Shinya Kondo
Application Number:
JP2006510497A
Publication Date:
February 29, 2012
Filing Date:
February 28, 2005
Export Citation:
Assignee:
Kyodo Yushi Co., Ltd.
International Classes:
C10M141/08; C10M141/10; C10M169/06; F16D3/20; C10M101/02; C10M105/18; C10M105/36; C10M105/38; C10M105/52; C10M107/02; C10M107/08; C10M107/34; C10M107/50; C10M113/12; C10M113/16; C10M115/08; C10M117/00; C10M125/10; C10M135/18; C10M137/10; C10M139/00; C10N10/04; C10N10/12; C10N30/06; C10N40/04; C10N50/10
Domestic Patent References:
| JPH0987649A | 1997-03-31 | |||
| JPH09125082A | 1997-05-13 | |||
| JP2003155491A | 2003-05-30 | |||
| JP2003183687A | 2003-07-03 |
Attorney, Agent or Firm:
Sadao Kumakura
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama
Nobuo Ogawa
Atsushi Hakoda
Kenji Asai
Koji Hirayama