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.

Date of Patent:
Jul. 03, 1990

Filed:

Aug. 31, 1988
Applicant:
Inventors:

Toshio Sato, Wako, JP;

Yoshiharu Abe, Wako, JP;

Yuji Fujiki, Wako, JP;

Hiroshi Hasebe, Wako, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ;
U.S. Cl.
CPC ...
123585 ; 123327 ;
Abstract

A method for controlling the air-fuel ratio in internal combustion engines, in which a low and/or decelerating engine speed is detected according to a change speed of engine operation parameters and the degree of opening of a flow regulating valve is controlled according to such change speed when deceleration is detected.


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