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:
May. 10, 2011
Filed:
Nov. 24, 2006
Hikokazu Akimoto, Aichi-gun, JP;
Takahiro Nishigaki, Nagoya, JP;
Hikokazu Akimoto, Aichi-gun, JP;
Takahiro Nishigaki, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
The engine misfire detection process of the invention sets a first threshold value and second threshold values to be referred to for detection of an engine misfire and detects an engine misfire based on the settings of the first threshold value and the second threshold values and 360-degree differences. The engine misfire detection process of the invention detects the occurrence of an engine misfire at each gear position of the transmission by taking into account the varying effects of the operating conditions of a motor the transmission, and a planetary gear mechanism on the crankshaft of the engine.