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. 30, 2004
Filed:
May. 29, 2002
Tadahiro Azuma, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A cylinder disabling control apparatus for a multi-cylinder engine is provided which is capable of efficiently reducing the exhaust gas of the engine immediately after the starting thereof. The cylinder disabling control apparatus includes a variety of sensors ( , and ), a catalytic converter ( ) and a cylinder disabling control element ( ) for inhibiting or stopping fuel supplied to the at least one specific cylinder in accordance with the engine operating conditions. The variety of sensors includes a water temperature sensor ( ) for detecting a temperature of cooling water (WT). When the temperature (WT) upon starting of the engine is equal to or higher than a first predetermined temperature (WT ), the cylinder disabling control element ( ) performs cylinder disabling control on the at least one specific cylinder until a predetermined time has elapsed immediately after the starting of the engine ( ).