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.:

US 8973545 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 10, 2015

Filed:

Dec. 16, 2013
Applicant:

Hitachi Automotive Systems, Ltd., Hitachinaka, JP;

Inventors:

Shinichi Kawada, Isehara, JP;

Ryo Tadokoro, Atsugi, JP;

Atsushi Yamanaka, Atsugi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01L 1/34 (2006.01);
U.S. Cl.
CPC ...
F01L 1/34 (2013.01); F01L 2820/032 (2013.01);
Abstract

A valve-timing control apparatus includes a drive rotating member; a driven rotating member fixed to a cam shaft; an electric motor configured to rotate the driven rotating member relative to the drive rotating member; a motor housing connected integrally with the drive rotating member; a cover member located to face a front portion of the housing; a tubular motor output shaft provided inside the housing to be rotatable relative to the housing; and a plug member fixed to an inner circumferential surface of a tip portion of the tubular motor output shaft and configured to inhibit lubricating oil supplied into the tubular motor output shaft from leaking to an external. The plug member includes a core member formed in a bottomed tubular shape and formed with a through-hole in its bottom portion, and an elastic body coating at least the through-hole and an outer circumferential surface of the core member.


Find Patent Forward Citations

Kawada, Shinichi. (2015). Valve-timing control apparatus for internal combustion engine (U.S. Patent No. 8973545). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8973545

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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