Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 30, 2007
Patent Application Number
11448819
Date Filed
June 8, 2006
Patent Primary Examiner
Patent abstract
A variable valve apparatus is employed a configuration in which, at a high valve lift and high speed operation of an internal combustion engine, an oscillating fulcrum of a transmission arm and a rotation center of a control shaft are arranged between a direction of a component rotating a control shaft of a maximum load which occurs in the oscillating fulcrum of the transmission arm when an oscillating cam oscillates in a valve opening direction and a direction of a component rotating a control shaft of a maximum load opposite thereto which occurs when the oscillating cam oscillates in a valve closing direction.
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