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:
Sep. 19, 1989
Filed:
Mar. 14, 1988
Applicant:
Inventor:
Hossein Javaherian, Troy, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
123425 ;
Abstract
An adaptive ignition controller for an internal combustion engine provides for engine operation at substantially peak thermal efficiency for all engine operating conditions by controlling the ignition advance angle intiating combustion to a crankshaft angle before top dead center that is substantially equal to the crankshaft angle after top dead center at which combustion is completed.