Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Adam J. Richards0
John Eric Rollinger0
Date of Patent
May 10, 2022
0Patent Application Number
168593670
Date Filed
April 27, 2020
0Patent Citations
Patent Citations Received
Patent Primary Examiner
Systems and methods for operating an engine with deactivating and non-deactivating valves is presented. In one example, the engine may include non-deactivating intake valves, deactivating intake valves, and only non-deactivating exhaust valves. The non-deactivating exhaust valves may operate to open and close during an engine cycle while deactivating intake valves remain closed during the engine cycle to prevent air flow through selected engine cylinders.
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