Ball screw grease composition for rack-assisted electric power steering

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United States of America

PATENT NO 12139688
APP PUB NO 20230139040A1
SERIAL NO

17910379

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Abstract

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This ball screw grease composition for a rack-assisted electric power steering contains a thickener, a base oil, and at least one compound selected from the group consisting of a Ca sulfonates, fatty acids, and triglycerides, wherein the kinematic viscosity of the base oil at 40° C. is 4-100 mm2/s, and the worked penetration of the composition is 265-385.

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Patent Owner(s)

Patent OwnerAddress
KYODO YUSHI CO LTDFUJISAWA-SHI KANAGAWA 251-8588

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kochi, Tsuyoshi Suzuka, JP 5 180
Komoriya, Tomonobu Chigasaki, JP 12 10
Soma, Minami Fujisawa, JP 3 0

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