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:
Nov. 24, 2015
Filed:
May. 11, 2011
Masanori Shimada, Susono, JP;
Shinsuke Aoyagi, Zama, JP;
Masanori Shimada, Susono, JP;
Shinsuke Aoyagi, Zama, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
The invention relates to a control device of an engine, including fuel supplying means, target fuel supply amount setting means, fuel supply command value providing means, supplied air amount detection means, air-fuel ratio detection means, air-fuel ratio calculation means, exhaust gas component concentration detection means and exhaust gas component concentration calculation means. In the invention, the fuel supply command value or the fuel supply amount grasped therefrom is amended and the amount of the air detected by the supplied air amount detection means is amended such that the difference between the air-fuel ratio detected by the air-fuel ratio detection means and the air-fuel ratio calculated by the air-fuel ratio calculation means and the difference between the concentration of the specified component detected by the exhaust gas component concentration detection means and the concentration of the specified component calculated by the exhaust gas component concentration calculation means become small.