Internal combustion engine valve actuator

Details Internal combustion engine valve actuator Internal combustion engine valve actuator

1993-06-28

1994-03-29

Cross, E. Rollins

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, F01L 134, F01L 112

Patent

active

052975053

ABSTRACT:
A valve actuation appliance for an internal combustion engine having an actuation lever and a coupling lever which can be coupled thereto. The levers are driven by different cams. In order to prevent coupling of the two levers in a region relative to the camshaft position, particularly when it is not certain that the coupling procedure will be concluded without interruption, it is proposed that the base circle of one of the two cams be lowered in that region by a slight amount relative to the rest of the base circle.

REFERENCES:
patent: 4726332 (1988-02-01), Nishimura
patent: 4901685 (1990-02-01), Fukuo et al.
patent: 4911112 (1990-03-01), Oikawa et al.
patent: 4926804 (1990-05-01), Fukuo
patent: 4942854 (1990-07-01), Shirai et al.
patent: 4995353 (1991-02-01), Stegeman et al.

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