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. 22, 1987
Filed:
Dec. 26, 1985
Applicant:
Inventor:
Masaaki Nagai, Fuchu, JP;
Assignee:
Fuji Jukogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02P / ;
U.S. Cl.
CPC ...
123425 ; 123435 ;
Abstract
A system for quickly converging the ignition timing to a desired timing when a large deviation occurred in the ignition timing. Change of engine operating conditions which will cause such a deviation is detected by a large engine knock to produce a correction signal. In response to the correction signal, an ignition timing correcting quantity is increased so as to quickly correct the ignition timing.