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:
Jul. 09, 2019
Filed:
Jan. 25, 2018
Applicant:
Jtekt Corporation, Osaka-shi, Osaka, JP;
Inventors:
Yoshimichi Higashiyama, Kashihara, JP;
Tsukasa Sakazaki, Kizugawa, JP;
Masami Naka, Yamatokoriyama, JP;
Assignee:
JTEKT CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 23/02 (2006.01); F04B 43/04 (2006.01); F04B 53/18 (2006.01); F16C 19/18 (2006.01); F16C 33/66 (2006.01); F16N 7/36 (2006.01); F16N 29/02 (2006.01); F04B 49/06 (2006.01);
U.S. Cl.
CPC ...
F04B 23/025 (2013.01); F04B 43/04 (2013.01); F04B 43/046 (2013.01); F04B 49/06 (2013.01); F04B 53/18 (2013.01); F16C 19/185 (2013.01); F16C 33/6659 (2013.01); F16C 33/6681 (2013.01); F16N 7/36 (2013.01); F16N 29/02 (2013.01); F04B 2203/0402 (2013.01); F04B 2207/01 (2013.01); F16C 33/6677 (2013.01);
Abstract
A bearing device includes: a bearing portion that has an inner ring, an outer ring, a plurality of balls interposed between the inner ring and the outer ring, and a cage that holds the balls; and an oil supply unit provided adjacent to the bearing portion in the axial direction. The oil supply unit has a pump that discharges a minute amount of lubricating oil to the bearing portion, and varies the amount of oil supplied to the bearing portion by discharge of lubricating oil from the pump.