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US Patent 7823548 Adjusting ballistic valve timing

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
78235481
Patent Inventor Names
Vince Winstead1
Donald J. Lewis1
Date of Patent
November 2, 2010
1
Patent Application Number
123268171
Date Filed
December 2, 2008
1
Patent Primary Examiner
‌
Ching Chang
1
Patent abstract

A method to adjust timing of an electrically actuated valve, said electrically actuated valve operating in a cylinder of an internal combustion engine, the method comprising during a cycle of said cylinder, opening said electrically actuated valve at a first valve opening position without activating a valve opening coil, and closing the valve at a first closing position; and during a second subsequent cycle of said cylinder, opening said electrically actuated valve at a second opening position that is varied based on the crankshaft angle at which said first closing occurs, where the second opening position is increased as said the crankshaft angle at which the first closing occurs increases.

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