Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Robert Stein0
Tom Leone0
James Leiby0
Lester Ryder0
Date of Patent
February 5, 2008
0Patent Application Number
114976940
Date Filed
August 2, 2006
0Patent Primary Examiner
Patent abstract
A system and method to control valve timing and valve lift of an engine is described. The intake valve timing can be retarded while the valve is in a low lift or high lift mode. The method can lower engine friction and reduce fuel consumption, at least under some conditions.
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