The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 2005
Filed:
Jan. 26, 2004
Applicants:
Min Sun, Windsor, CA;
Marc Allain, Plymouth, MI (US);
Laurentiu J. Vaduva, Harper Woods, MI (US);
Inventors:
Assignee:
Detroit Diesel Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M025/07 ;
U.S. Cl.
CPC ...
Abstract
A method for controlling a compression ignition internal combustion engine exhaust gas recirculation (EGR) system having an EGR valve and actuator. The method includes continuously monitoring at least one engine parameter in real-time, and continuously adjusting an EGR valve position using a control signal in real-time in response to the at least one parameter and in response to at least one delay, wherein one of the at least one delays corresponds to an EGR actuator delay.