Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 2, 2019
Patent Application Number
15428551
Date Filed
February 9, 2017
Patent Citations Received
Patent Primary Examiner
Patent abstract
Systems and methods for operating an engine with deactivating and non-deactivating valves are presented. In one example, an estimate of an amount of oil that may intrude into a deactivated cylinder is made. The deactivated cylinder may be reactivated in response to the amount of oil estimated to be in the deactivated cylinder.
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