Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 23, 2018
Patent Application Number
15428353
Date Filed
February 9, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
Systems and methods for operating an engine with deactivating valves are presented. In one example, deactivated valves may be reactivated to increase a rate of camshaft phase indexing relative to engine crankshaft position. However, if a desired rate of camshaft indexing is low, the engine cylinders may remain deactivated based on the low rate of desired camshaft indexing.
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