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. 12, 2011
Filed:
Dec. 15, 2008
Ichiro Kimura, Nagoya, JP;
Yoshiyuki Kawai, Nagoya, JP;
Ichiro Kimura, Nagoya, JP;
Yoshiyuki Kawai, Nagoya, JP;
Aisin Seiki Kabushiki Kaisha, Kariya-Shi, Aichi-Ken, JP;
Abstract
A valve timing control apparatus includes a driving rotation member, a driven rotation member, an advance angle chamber displacing a rotation phase of the driven rotation member relative to the driving rotation member in an advance angle direction, a retard angle chamber displacing the relative rotation phase in a retard angle direction, a groove provided on at least one of an inner surface of the driving rotation member and an outer surface of the driven rotation member for supplying the hydraulic fluid to a sliding contact portion formed by the inner surface of the driving rotation member and the outer surface of the driven rotation member, an advance angle oil passage, a retard angle oil passage, and a groove oil passage for supplying the hydraulic fluid to the groove.