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. 24, 1985
Filed:
Mar. 15, 1984
Applicant:
Inventors:
Tadahisa Naganawa, Toyota, JP;
Yoshihiko Matsuda, Toyota, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02P / ;
U.S. Cl.
CPC ...
123406 ; 123418 ;
Abstract
In a steady running condition of a vehicle, an air-fuel ratio is controlled to be equalized in value to a target air-fuel ratio leaner than a stoichiometric air-fuel ratio and an ignition timing is controlled to be equalized in value to a required ignition timing, so that a fuel consumption can be improved.