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. 05, 2005
Filed:
Sep. 16, 2003
Tomoaki Kabe, Aichi, JP;
Masahiro Hamano, Aichi, JP;
Katsutoshi Usuki, Aichi, JP;
Tetsuya Fujioka, Aichi, JP;
Tomoaki Kabe, Aichi, JP;
Masahiro Hamano, Aichi, JP;
Katsutoshi Usuki, Aichi, JP;
Tetsuya Fujioka, Aichi, JP;
JATCO Ltd, Fuji, JP;
Abstract
An engine torque estimating apparatus is connected to an automatic transmission and an internal combustion engine. A control unit of the engine torque estimating apparatus is arranged to stop a fuel supply to the engine when a predetermined engine operating condition is satisfied, to estimate a torque generated by the engine using a first map which has defined the torque according to an engine speed and an intake air flow of the engine when the fuel supply to the engine is executed, and to estimate the torque using a second map which has defined the torque according to the engine speed when the fuel supply to the engine is stopped.