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, 1995
Filed:
Feb. 23, 1994
Applicant:
Inventor:
Masuo Kashiwabara, Atsugi, JP;
Assignee:
Unisia Jecs Corporation, Atsugi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
123683 ;
Abstract
With an internal combustion engine wherein a target air-fuel ratio is set on the basis of engine load and engine rotational speed, a setting for a lean air-fuel ratio for improving fuel consumptions prohibited, when an increase in grade resistance is detected or when winding road conditions are estimated, and sets a target air-fuel ratio to ensure drive power is forcibly set. As a result, lean combustion can be avoided under running conditions requiring drive power, so that the vehicle power performance can be ensured as required.