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:
Apr. 03, 2018
Filed:
Jan. 14, 2015
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, Ibaraki, JP;
Ryo Tadokoro, Hadano, JP;
Atsushi Yamanaka, Atsugi, JP;
HITACHI AUTOMOTIVE SYSTEMS, LTD., Hitachinaka-Shi, JP;
Abstract
A valve timing control device for an internal combustion engine includes: a driving rotation member; a driven rotation member fixed to a cam shaft; an electric motor; a speed reduction mechanism; a power feeding brush; and a power feeding plate which is provided to the driving rotation member, and which includes a slip ring on which the power feeding brush is abutted, the power feeding plate including a rigidity plate portion whose outer circumference portion is fixed to the driving rotation member, and a resin portion formed by molding an outer surface of the rigidity plate portion, and the rigidity plate portion including a holding hole which holds the power feeding brush through the resin portion, and being integrally formed with a reinforcement portion which is formed at a portion except for the holding hole, and which extends in a radially inward direction.