Variable valve timing arrangement for an internal combustion eng

Details Variable valve timing arrangement for an internal combustion eng Variable valve timing arrangement for an internal combustion eng

1982-05-05

1985-03-12

Lazarus, Ira S.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9044, 123 9017, F01L 110

Patent

active

045038180

ABSTRACT:
The present invention features a valve train for inducing reciprocative motion in a valve which includes a lever pivotally mounted at one end thereof, a rocker arm which engages the lever to define a fulcrum point therebetween, and which engages a valve at one end thereof, a first cam which engages the other end of the rocker arm, a second cam which engages the top of the lever and a mechanism which guidingly interconnects the rocker arm, at a point intermediate of the ends thereof, with the lever for preventing relative slip therebetween and for ensuring that a cam following portion of the rocker arm smoothly follows the first cam.

REFERENCES:
patent: 777295 (1904-12-01), Marx
patent: 1691991 (1928-11-01), Puckett
patent: 1710291 (1926-12-01), Brush
patent: 2997991 (1961-08-01), Roan
patent: 3413965 (1968-12-01), Gavasso
patent: 3470857 (1969-10-01), Stivender
patent: 3641988 (1972-02-01), Torazza et al.
patent: 3913548 (1975-10-01), Wilson
patent: 4138973 (1979-02-01), Luria

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