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. 08, 1992
Filed:
Feb. 19, 1991
Applicant:
Inventor:
Shinpei Nakaniwa, Isesaki, JP;
Assignee:
Japan Electronic Control Systems Co., Ltd., Isesaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02D / ;
U.S. Cl.
CPC ...
123675 ;
Abstract
In a steady operating condition of an engine, the fuel supply quantity is changed compulsorily and step-by-step, and in compliance with changing conditions of the fuel quantity sucked into cylinders after such correction of the fuel supply quantity, a fuel adhesion ratio and an evaporation ratio as the decisive parameters for a wall flow quantity of fuel are learned separately in each operational region, and using the learned results the fuel supply quantity in transitional operation is corrected.