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:
Apr. 05, 2005
Filed:
Feb. 22, 2002
Applicants:
Robert J. Thomas, Indianapolis, IN (US);
Terry M Vandenberghe, Columbus, IN (US);
Matthew S. Carroll, Nashville, IN (US);
Inventors:
Robert J. Thomas, Indianapolis, IN (US);
Terry M VandenBerghe, Columbus, IN (US);
Matthew S. Carroll, Nashville, IN (US);
Assignee:
Cummins Engine Company, Inc., Columbus, IN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03B013/12 ;
U.S. Cl.
CPC ...
Abstract
An internal combustion engine system is disclosed that improves regulation of engine speed relative to a speed setpoint. The system controls ignition timing, throttle plate actuation, fuel valve actuation or a combination thereof in accordance with maintaining a setpoint speed. The system also includes a transient air flow estimation for further improving setpoint speed accuracy.