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:
Apr. 30, 2019
Filed:
Dec. 11, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Tetsuo Omura, Ashigarakami-gun, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;
Abstract
A control device for an internal combustion engine is provided to control the internal combustion engine that includes a variable valve operating device that makes variable an opening period of an intake valve that opens and closes an intake port. The control device is configured, in an engine operating condition in which knocking is easy to occur, to increase an effective opening period of the intake valve when an intake gas temperature in the intake port is higher than a wall temperature of the intake port as compared to when the intake gas temperature is lower than the wall temperature.