ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,753, issued on Feb. 25, was assigned to Cummins Inc. (Columbus, Ind.).
"Tappet assembly for valve lift profile modification" was invented by Adam C. Cecil (Columbus, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve train assembly is provided for modifying a lift of at least one intake valve and/or exhaust valve. The valve train assembly includes at least one tappet that is housed in a rocker housing with at least one rocker lever. The at least one tappet is engaged to an actuator that is operable to change the tappet from a first configuration in which all cam lobe motion is imparted to the rocker lever for opening and closing the intake ...