CPC F01L 1/181 (2013.01) [F01L 9/26 (2021.01); F01L 13/0005 (2013.01); F01L 13/06 (2013.01); F01L 2013/001 (2013.01); F01L 2305/00 (2020.05)] | 20 Claims |
1. A valvetrain for an internal combustion engine of a type that has a combustion chamber, and a moveable valve having a seat formed in the combustion chamber, comprising:
a rocker shaft;
a camshaft;
a rocker arm assembly comprising a cam follower configured to engage a cam mounted on the camshaft as the camshaft rotates and a first rocker arm pivotally mounted on the rocker shaft; and
an electromagnetic latch assembly comprising an electromagnet and a pin that translates between a first position and a second position to alter a configuration of the rocker arm assembly;
wherein the electromagnetic latch assembly is powered by a circuit that passes through the rocker shaft.
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