Engine valve having adjustable lift

Details Engine valve having adjustable lift Engine valve having adjustable lift

1996-12-20

1998-04-14

Okonsky, David A.

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9019, 123 9039, 1231882, F01L 110

Patent

active

057380546

ABSTRACT:
A valve system for an internal combustion engine includes a valve member having a head and a stem extending from the head, the head being capable of forming a seal with a valve seat of the internal combustion engine and the stem having at least one cylinder in an end portion thereof, and a component for contacting a portion of a rocker arm of the engine, the component being movable in the cylinder between a first position and a second position closer to the rocker arm than the first position. Structure is provided for moving the component between the first position and the second position to change lift of the valve member. The system adjusts valve lift according to speed of the engine to improve combustion efficiency.

REFERENCES:
patent: 3532080 (1970-10-01), Saruta
patent: 4192263 (1980-03-01), Kitagawa et al.
patent: 4497307 (1985-02-01), Paar et al.
patent: 4723516 (1988-02-01), Slagley et al.
patent: 5351662 (1994-10-01), Dopson et al.
patent: 5531193 (1996-07-01), Nakamura

Affiliated with

Also associated with

Rating

Engine valve having adjustable lift does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-627488