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:
Aug. 27, 1991
Filed:
Apr. 10, 1990
Applicant:
Inventors:
William R Allen, Redford, MI (US);
Edward L Korte, Dearborn Heights, MI (US);
James T Lee, Monroe, MI (US);
Ira C Miller, Jr, Warren, MI (US);
Kent A Wikarski, St. Clair Shores, MI (US);
Assignee:
Ford Motor Company, Dearborn, MI (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02P / ; F02P / ;
U.S. Cl.
CPC ...
36443104 ; 36443103 ; 123609 ; 123644 ;
Abstract
Controlling ignition current in the ignition control system of an internal combustion engine includes determining the amount of time it takes current in the ignition coil to reach a desired or limit value and adjusting the time of starting ignition coil charging before spark firing to be substantially equal to the amount of time it takes ignition coil charging current to reach the desired or limit current value.