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:
Oct. 16, 1990

Filed:

Jan. 05, 1990
Applicant:
Inventor:

Seiji Wataya, Himeji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ; F02D / ; F02M / ;
U.S. Cl.
CPC ...
123435 ; 123478 ;
Abstract

A fuel controller for an internal combustion engine has an air temperature sensor in an air intake pipe and a cylinder pressure sensor which measures the pressure within a cylinder of the engine during a compression stroke. A control unit calculates the air quantity in each cylinder based on the measured intake air pressure and cylinder pressure and controls the fuel injectors of the engine so as to obtain a desired air-fuel ratio.


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