System and method for valve actuation

Details System and method for valve actuation System and method for valve actuation

2006-07-04

2006-07-04

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Poppet valve operating mechanism

Hydraulic system

C123S090460, C123S090550

Reexamination Certificate

active

07069888

ABSTRACT:
The present invention is directed to a system and method for actuating an engine valve. In one embodiment, the present invention is a system for providing exhaust gas recirculation (EGR) in an engine having at least one engine valve, the system comprising: means for imparting a valve train motion; a first valve actuation subsystem for transferring motion from the motion imparting means to the engine valve, the first valve actuation subsystem capable of providing valve actuation for at least a portion of a main exhaust event during a first engine operating condition, and a full main exhaust event during a second engine operating condition; and a second valve actuation subsystem for transferring motion from the motion imparting means to the engine valve, the second valve actuation subsystem capable of providing valve actuation for an exhaust gas recirculation event during the first engine operating condition.

REFERENCES:
patent: 3220392 (1965-11-01), Cummins
patent: 4384558 (1983-05-01), Johnson
patent: 4742806 (1988-05-01), Tart et al.
patent: 5386809 (1995-02-01), Reedy et al.
patent: 5406918 (1995-04-01), Joko et al.
patent: 5485819 (1996-01-01), Joko et al.
patent: 5601057 (1997-02-01), Treyz et al.
patent: 5996550 (1999-12-01), Israel et al.
patent: 6189504 (2001-02-01), Israel et al.
patent: 6594996 (2003-07-01), Yang
patent: 6827067 (2004-12-01), Yang et al.
patent: 6883492 (2005-04-01), Vanderpoel et al.

Affiliated with

Also associated with

Rating

System and method for valve actuation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System and method for valve actuation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for valve actuation will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3585538