The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 12, 2024
Filed:
Mar. 30, 2021
Applicant:
Kyodo Yushi Co., Ltd., Fujisawa, JP;
Inventors:
Assignee:
KYODO YUSHI CO., LTD., Fujisawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/00 (2006.01); C10M 107/02 (2006.01); C10M 115/08 (2006.01); C10M 129/40 (2006.01); C10M 129/74 (2006.01); C10M 135/10 (2006.01); C10N 30/02 (2006.01); C10N 40/04 (2006.01); C10N 50/10 (2006.01);
U.S. Cl.
CPC ...
C10M 169/00 (2013.01); C10M 107/02 (2013.01); C10M 115/08 (2013.01); C10M 129/40 (2013.01); C10M 129/74 (2013.01); C10M 135/10 (2013.01); C10M 2205/0206 (2013.01); C10M 2207/126 (2013.01); C10M 2207/283 (2013.01); C10M 2215/1026 (2013.01); C10M 2219/044 (2013.01); C10N 2030/02 (2013.01); C10N 2040/04 (2013.01); C10N 2050/10 (2013.01);
Abstract
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.