Title: Grease composition for constant velocity joint and constant velocity joint
Application Number: 200580005649 Application Date: 2005.02.28
Publication Number: 1922294 Publication Date: 2007.02.28
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C10M141/10;C10M169/06;F16D3/20;C10M125/10;C10M135/18;C10M137/10;C10M115/08;C10N10/04;C10N10/12;C10N2
Applicant(s) Name: Kyodo Yushi Address:
Inventor(s) Name: Taniguchi Akira;Kondo Shinya
Attorney & Agent: ge songsheng
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.
Time: 4
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