GREASE COMPOSITION FOR CONSTANT VELOCITY JOINT AND CONSTANT VELOCITY JOINT
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United States of America Patent
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Issued Date -
Dec 23, 2010
app pub date -
Dec 28, 2007
filing date -
Dec 28, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A grease composition which provides, in the working range of 150.degree. C. to -40.degree. C., an enhanced temperature control performance, a reduced low-temperature rotational torque and an improved boot resistance; and a constant velocity joint wherein the grease composition is filled; are provided. A grease composition for a constant velocity joint comprising the following components (A) to (E): (A) a base oil containing 10 to 95% by mass of an ester synthetic oil produced from an aliphatic alcohol and an aromatic carboxylic acid and 90 to 5% by mass of a synthetic hydrocarbon oil; (B) a thickener; (C) molybdenum disulfide; (D) molybdenum dialkyldithiocarbamate e; and (E) zinc dithiophosphate.
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