Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 6, 2009
Patent Application Number
11552310
Date Filed
October 24, 2006
Patent Primary Examiner
Patent abstract
A system and method to control valve timing and valve lift of an engine is described. The valve timing can be adjusted to improve engine operation when a range of fuels are used. The method can improve engine performance and the energy utilization, at least under some conditions.
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