Variable valve actuation camshaft

Details Variable valve actuation camshaft Variable valve actuation camshaft

1994-10-31

1995-08-15

Yuen, Henry C.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 906, 74568R, F01L 1300

Patent

active

054410215

ABSTRACT:
A camshaft assembly for variably actuating poppet valves of an internal combustion engine in relation to angular velocity. Pairs of cam lobes are separated by centripetal acceleration thereby varying dwell to optimize fuel economy, power output and emissions over a wide range of operating speeds.

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