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:
Dec. 11, 2001
Filed:
Jul. 07, 2000
Applicant:
Inventors:
Jeffery Scott Hawkins, Farmington Hills, MI (US);
Steve Miller Weisman, Farmington Hills, MI (US);
Assignee:
Detroit Diesel Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01P 7/02 ;
U.S. Cl.
CPC ...
F01P 7/02 ;
Abstract
A method of controlling an internal combustion engine having a variable speed fan driven by a torque multiplying fan driver includes controlling the variable speed fan with closed loop control based on fan speed.