Pivoting variable cam follower
OwnerDaniel Guy Pomerleauinventor
Life of this patent
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Abstract
A cam follower for operable attachment to a valve lifter assembly for use with a variable cam lobe camshaft in a variable valve timing system includes a housing with a central cavity and a mushroom head with a stem pivotably connected to the housing in the central cavity, the mushroom head having a radiused surface for contacting a cam lobe surface. The cam follower is used in combination with a variable cam surface of an axially displaceable camshaft to obtain improvements in idling speed and volumetric efficiency.
Claims20
A cam follower for operable attachment to a valve lifter assembly for use with a variable cam lobe camshaft in a variable valve timing system within an internal combustion engine, the cam follower comprising:
- a) a housing with a central cavity;
- and
- b) a mushroom head with a stem pivotably connected to the housing in the central cavity, the mushroom head having a radiused surface for contacting a cam lobe surface.
A rocker arm valve lifter assembly with a pivoting cam follower for use with a variable cam lobe camshaft in a variable valve timing system within an internal combustion engine (ICE), the rocker arm valve lifter assembly comprising:
- a) a rocker arm with a cam follower housing integrally formed therewithin, the housing having a central cavity;
- and
- b) a mushroom head with a stem pivotably connected to the housing in the central cavity, the mushroom head having a radiused surface for contacting a cam lobe surface.
Dependencies are inferred from the claim text.