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:
Jul. 14, 2009
Filed:
Aug. 22, 2006
Motoyasu Suenaga, Tokyo, JP;
Kouji Wada, Tokyo, JP;
Masakazu Miyasako, Tokyo, JP;
Mitsubishi Electric Corp., Tokyo, JP;
Abstract
Provided is an engine control apparatus equipped with a three-way catalyst for purifying exhaust gas, a unit for calculating an operational state based on outputs from various sensors, a unit for calculating a fuel injection amount, a unit for driving an injector, a unit for calculating an actual misfire ratio, a catalyst damage determining misfire ratio calculating unit for calculating a misfire determining ratio, a catalyst damaging misfire determining unit for cutting off a supply of fuel when it is determined that a damage-causing misfire state has arisen, a unit for storing an actual misfire ratio at a time when it is determined that the damage-causing misfire state has arisen, and a unit for making a recovery from the cutoff of the fuel supply when the misfire determining ratio has become larger than the misfire ratio at the time of the determination that the damage-causing misfire state has arisen.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile