Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 8, 2009
Patent Application Number
11736145
Date Filed
April 17, 2007
Patent Primary Examiner
Patent abstract
A valve control method for an internal combustion engine of a vehicle that uses cylinder deactivation. The method can adjust actuation phases of the engine's valves in an all-cylinder activation mode and a cylinder deactivation mode. The engine's valves may be controlled from an idle operating domain, to a fuel-economy operating domain, and in a cylinder deactivation operating domain.
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