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:
Feb. 03, 1987
Filed:
Sep. 12, 1985
Applicant:
Inventors:
Osamu Harada, Toyota, JP;
Toshio Suematsu, Toyota, JP;
Yuji Takeda, Toyota, JP;
Katsushi Anzai, Toyota, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; F02D / ;
U.S. Cl.
CPC ...
123425 ; 123422 ; 123435 ; 123492 ; 73 35 ;
Abstract
A knocking in an engine is prevented from occurring by retarding an ignition timing. A basic ignition advance angle THB and a correction value THK for retardation of the ignition timing are computed in order that the ignition timing THF is calculated by using the following formula.