Grease composition for constant velocity joints

Details Grease composition for constant velocity joints Grease composition for constant velocity joints

1997-06-05

2000-03-14

Medley, Margaret

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Nitrogen and heavy metal, or nitrogen and aluminum, in the...

508321, 508379, 508390, 508391, 460525, 460552, 460586, C10M 4328

Patent

active

060373148

ABSTRACT:
A grease composition for constant velocity joints comprises (a) a base oil; (b) a urea thickener; (c) at least one organic molybdenum compound selected from the group consisting of molybdenum dithiocarbamate and molybdenum dithiophosphate; and (d) at least one calcium salt selected from the group consisting of calcium salts of petroleum sulfonates, calcium salts of alkyl aryl sulfonates, calcium salts of salicylate, calcium salts of phenates, calcium salts of oxidized waxes, overbasic calcium salts of petroleum sulfonates, overbasic calcium salts of alkyl aryl sulfonates, overbasic calcium salts of salicylate, overbasic calcium salts of phenates, and overbasic calcium salts of oxidized waxes. The grease composition exhibits good performance for reducing vibration and effectively lubricates the constant velocity joints to effectively reduce frictional wear and to eliminate vibration.

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