US Patent 7395791 Valve timing controller with a stopper

Patent 7395791 was granted and assigned to Denso on July, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Denso

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7395791

Date of Patent

July 8, 2008

Patent Application Number

11714807

Date Filed

March 7, 2007

Patent Primary Examiner

‌

Ching Chang

Patent abstract

A valve timing controller is disclosed that includes first and second rotating elements, and a phase changing mechanism including arm members coupling the first and second rotating elements. The valve timing controller also includes a cam plate and a stopper to restrict rotation of the cam plate. A concave part where the stopper and the cam plate contact. Also, a damper chamber is defined between the concave part and one of the stopper and the cam plate.