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:
May. 17, 1988
Filed:
Dec. 23, 1986
Akihiro Yamato, Wako, JP;
Honda Giken Kogyo K.K., Tokyo, JP;
Abstract
A method of controlling in a feedback manner the air-fuel ratio of an air-fuel mixture supplied to an internal combustion engine to desired values by correcting the fuel quantity supplied to the engine by means of a correction coefficient which varies in response to output from an exhaust gas ingredient concentration sensor arranged within an exhaust passage, when the engine is operating in an air-fuel ratio feedback control effecting region. When the engine is operating in a predetermined accelerating condition, a mean value of the correction coefficient is calculated and stored. When the engine subsequently enters the predetermined accelerating condition, the air-fuel ratio feedback control is effected using the stored mean value as an initial value of the correction coefficient.