Valve actuation system for engine and valve lifter and rocker arm for same
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 19, 2022
Grant Date -
Jan 20, 2022
app pub date -
Jul 16, 2020
filing date -
Jul 16, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A valve actuation system for an engine includes a rotatable camshaft, an injector actuation linkage, and a valve actuation linkage. The valve actuation linkage includes a valve lifter, a valve pushrod, and a rocker arm. At least one of a rocker arm center plane defined by the valve rocker arm or a lifter roller center plane defined by the valve lifter is spaced an offset distance from a pushrod axis, providing an increased contact width between an injector roller in the injector actuation linkage and one of a plurality of cam lobes of the camshaft. The valve lifter includes a fork defining a center plane spaced an offset distance from a center axis of the valve lifter. A rocker arm includes a screw bore offset relative to a rocker arm center plane.
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