Compact valve actuation mechanism

Details Compact valve actuation mechanism Compact valve actuation mechanism

1998-07-28

2000-03-07

Kamen, Noah P.

Internal-combustion engines

Poppet valve operating mechanism

Plural valve trains, single actuator

123 9033, 123 9041, F01L 126

Patent

active

060326271

ABSTRACT:
A valve actuation device. The device may include a free floating valve bridge movably supported within a cavity in the engine housing. The bridge may be provided with a cavity and an orifice arrangement for pumping gases entrained with lubricating fluid toward the piston stems as the bridge reciprocates back and forth. The device may also include a rocker arm that has a U-shaped cross-sectional shape for receiving at least a portion of the valve bridge, valve stem valve spring and spring retainer therein. The rocker arm may be provided with lubrication passages for directing lubrication to the point wherein it is pivotally affixed to the engine housing.

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Three pages of Cummins Engine Co. L/O Engine Manual, Published Jul., 1994.

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