Variable valve lift/timing mechanism

Details Variable valve lift/timing mechanism Variable valve lift/timing mechanism

1987-10-05

1988-10-04

Dolinar, Andrew M.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9046, F01L 112, F01L 124

Patent

active

047749130

ABSTRACT:
A variable valve lift and timing valve train mechanism includes a rocker arm having one end thereof operatively engaging a valve and its opposite end being engaged by a valve actuator, the upper surface of the rocker arm intermediate its ends having a predetermined cam surface profile which is adapted to cooperate with a working surface of an angular movable reaction member used to provide a fulcrum to thereby effect pivotal movement of the rocker arm in a valve opening direction. The point of line contact between the cam surface of the rocker arm against the working surface of the upper reaction member and the geometry of the upper surface of the rocker arm cooperate to control the amount of valve lift and its timing. The angular position of the reaction member used to control valve lift being controlled by a pivotable eccentric engaging an axially movable slide pin device interposed between the pivotable eccentric and the reaction member.

REFERENCES:
patent: 3413965 (1968-12-01), Gavasso
patent: 4498432 (1985-02-01), Hara et al.
patent: 4526142 (1985-07-01), Hara et al.
patent: 4638773 (1987-01-01), Bonvallet
patent: 4724822 (1988-02-01), Bonvallet

Affiliated with

Also associated with

Rating

Variable valve lift/timing mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable valve lift/timing mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable valve lift/timing mechanism will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2150679