US Patent 7188595 Variable valve actuation device of internal combustion engine

Patent 7188595 was granted and assigned to Hitachi on March, 2007 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Hitachi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71885950

Patent Inventor Names

Seinosuke Hara0

Date of Patent

March 13, 2007

Patent Application Number

112139160

Date Filed

August 30, 2005

Patent Primary Examiner

‌

Ching Chang

Patent abstract

A valve actuating link is provided for transmitting a combined movement of a drive cam on a cam shaft and a control cam on a control shaft to a valve pressing structure of an engine valve. The valve actuating link comprises a bearing portion that bears the control shaft, a hook-shaped lower portion that surrounds the cam shaft keeping a given space therebetween and a cam portion that repeatedly pushes the valve pressing structure to induce an open/close operation of the engine valve.