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:
Oct. 09, 2018
Filed:
May. 15, 2014
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Tetsuo Omura, Susono, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-Ken, JP;
Abstract
A controller is applied to such an internal combustion engine that an exhaust throttle valve for controlling the flow volume of exhaust gas of the exhaust passage is provided in the exhaust passage, an intake variable valve mechanism for changing the timing of opening and closing each intake valve or an exhaust variable valve mechanism for changing the timing of opening and closing each exhaust valve is provided, and an overlap period when an opening period of the intake valve and an opening period of the exhaust valve overlap with each other can be provided, and controls the exhaust throttle valve so that an opening degree of the exhaust throttle valve in the overlap period is made smaller than an opening degree of the exhaust throttle valve in a case where the overlap period is not provided.