Rocker arm with an oil trough
AssigneeKoyo Bearings North America LLC
InventorAnthony Copper
Life of this patent
Estimating the term…
Abstract
A rocker arm assembly having a rocker arm including a pair of sidewalls, each sidewall defining a support aperture, a rocker arm support including a pair of opposed bearing support arms, each bearing support arm being disposed within a corresponding support aperture of the rocker arm and defining a lubrication groove extending along an outer surface thereof, and a pair of radial roller bearings, each including an inner cup, an outer cup, and a plurality of rollers disposed therebetween, wherein each radial roller bearing is disposed both on a corresponding bearing support arm and within a corresponding support aperture.
Claims12
A rocker arm assembly comprising:
- a rocker arm including a pair of sidewalls, each sidewall defining a support aperture;
- a rocker arm support member including a pair of opposed bearing support arms, each bearing support arm being disposed within a corresponding support aperture of the rocker arm and defining at least one lubrication groove extending along an outer surface thereof;
- and
- a pair of radial roller bearings, each including an inner cup, an outer cup, and a plurality of rollers disposed therebetween,
- wherein each radial roller bearing is disposed both on a corresponding bearing support arm and within a corresponding support aperture.
An internal combustion engine comprising:
- a cylinder head;
- a poppet valve including a valve stem;
- a valve spring disposed around the valve stem;
- and
- a rocker arm assembly mounted to the cylinder head, the rocker arm assembly comprising:
- a rocker arm including a pair of sidewalls, each sidewall defining a support aperture;
- a rocker arm support member including a pair of opposed bearing support arms, each bearing support arm being disposed within a corresponding support aperture of the rocker arm and defining at least one lubrication groove extending along an outer surface thereof;
- the rocker arm support member being mounted to the cylinder head by a shaft;
- and
- a pair of radial roller bearings, each including an inner cup, an outer cup, and a plurality of rollers disposed therebetween,
- wherein each radial roller bearing is disposed both on a corresponding bearing support arm and within a corresponding support aperture so that the rocker arm is pivotably mounted to the rocker arm support member, and a first end of the rocker arm engages the valve stem.
Dependencies are inferred from the claim text.