Patent ID: 7870842
Filing Date: 2011-01-18
Classification: F01L

Abstract:
1. An engine having a rotating shaft comprising: a valve comprising a valve stem; a cam lobe having a base circle and a nose, the cam lobe attached to the rotating shaft; a rocker having a valve end portion contacting the valve, a lifter end portion defining a pivot axis of the rocker and a cam surface disposed between the valve end portion and the lifter end portion, the nose of the cam lobe contacting the cam surface for opening the valve of the engine; a follower member disposed adjacent the cam lobe opposite from the rocker, the follower member attached to the rocker, the follower member having a curved inner surface, the nose of the cam lobe contacting the curved inner surface for lifting the rocker; a spring disposed about the valve stem of the valve for closing the valve.