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:
Apr. 22, 2003
Filed:
Sep. 27, 2002
Kokusan Denki Co., Ltd., Shizuoka-ken, JP;
Abstract
An electronic fuel injection control apparatus for an internal combustion engine, which is used for controlling a quantity of fuel injected from an injector into an intake pipe of the internal combustion engine, includes a microcomputer which performs an arithmetical operation for determining a pressure within the above described intake pipe based on a throttle valve opening degree and a rotational speed, an arithmetical operation for determining a variation relative to an arithmetically operated reference value of the intake pipe pressure, an arithmetical operation for determining a correction coefficient used for correcting an injection time when this variation exceeds a set value, and an arithmetical operation for determining an actual injection time by multiplying a basic injection time by the correction coefficient arithmetically operated immediately before a timing where the fuel is injected, and controls the injector such that the fuel is injected during the arithmetically operated injection time.