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. 13, 2010
Filed:
Apr. 26, 2007
Takuya Ikoma, Nishikamo-gun, JP;
Kazutaka Fujioka, Toyota, JP;
Takuya Ikoma, Nishikamo-gun, JP;
Kazutaka Fujioka, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A control apparatus for an internal combustion engine includes a variable valve mechanism that changes the duration of an intake valve, and a controller that controls the variable valve mechanism to change the duration based on the operating state of the internal combustion engine. If a determination that there is a possibility of engine stalling is made when the internal combustion engine idling, the controller controls the variable valve mechanism so that the duration of the intake valve is made shorter than the duration which is achieved when the determination is made, only during the period until several four-stroke cycles of the internal combustion engine have elapsed after the determination is made. Thus, it is possible to appropriately suppress occurrence of engine stalling when the internal combustion engine is running at a low speed.