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:
Jun. 03, 1997
Filed:
Jul. 10, 1995
Applicant:
Inventors:
Assignees:
Mazda Motor Corporation, Hiroshima, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
123306 ; 123308 ;
Abstract
An air-fuel control system for a lean burn engine which carries out lean burning under specific engine operating conditions causes the engine to burn at an stoichiometric air-fuel ratio regardless of engine operating conditions upon an occurrence of malfunctions of a stratifying device and/or a fuel injection timing control device, so as thereby to enable the engine always to operate in good conditions.