Variable valve actuation apparatus for engine

Details Variable valve actuation apparatus for engine Variable valve actuation apparatus for engine

1998-08-07

1999-11-23

Lo, Weilun

Internal-combustion engines

Poppet valve operating mechanism

With means for varying timing

123 9017, 123 906, F01L 1300

Patent

active

059881259

ABSTRACT:
A variable valve actuation (VVA) apparatus comprises an eccentric rotary (ER) cam fixed to a driving shaft for rotation therewith, a pivotal valve operating (VO) cam, a rocker arm having a first arm and a second arm, a control rod having an eccentric control cam, and a crank arm. The eccentric control cam supports the rocker arm for pivotal motion. The crank arm interconnects the ER cam and the first arm of the rocker arm. A link interconnects the second arm of the rocker arm and the VO cam.

REFERENCES:
patent: 4397270 (1983-08-01), Aoyama
patent: 4572118 (1986-02-01), Baguena
patent: 5148783 (1992-09-01), Shinkai et al.
patent: 5431132 (1995-07-01), Kreuter et al.
patent: 5586527 (1996-12-01), Kreuter
patent: 5592906 (1997-01-01), Kreuter et al.
patent: 5732669 (1998-03-01), Fischer et al.
patent: 5787849 (1998-08-01), Mitchell
patent: 5899180 (1999-05-01), Fischer
R.J. Pierik et al., "A Low-Friction Variable-Valve-Actuation Device, Part I: Mechanism Description and Friction Measurements", pp. 81-87, (1997).

Affiliated with

Also associated with

Rating

Variable valve actuation apparatus for engine 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 actuation apparatus for engine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable valve actuation apparatus for engine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1209532