Valve operating apparatus for an internal combustion engine

Details Valve operating apparatus for an internal combustion engine Valve operating apparatus for an internal combustion engine

1987-10-14

1989-07-18

Dolinar, Andrew M.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9044, F01L 118

Patent

active

048482854

ABSTRACT:
Valve operating apparatus for an internal combustion engine is described in which the cam follower surface on the valve operating rocker arms is defined by the external surface of a cylindrical body mounted for rotation on the rocker arm, whereby the cam follower surface is in rolling contact with the associated cam to reduce friction losses in the apparatus and wear of the apparatus components.

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