Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SYSTEM AND METHOD FOR VALVE ACTUATION
Document Type and Number:
WIPO Patent Application WO2005065213
Kind Code:
A3
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.

Inventors:
ZHOU YANG (US)
RUGGIERO BRIAN (US)
Application Number:
PCT/US2004/042476
Publication Date:
February 09, 2006
Filing Date:
December 16, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JACOBS VEHICLE SYSTEMS INC (US)
International Classes:
F01L13/06; F02D13/04; F01L9/10; F02M25/07; (IPC1-7): F02D13/04; F01L13/00
Foreign References:
US5996550A1999-12-07
US5485819A1996-01-23
US5601057A1997-02-11
US6883492B22005-04-26
US4384558A1983-05-24
US4742806A1988-05-10
Download PDF: