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. 22, 2016
Filed:
Apr. 02, 2013
Eiichi Hioka, Toyota, JP;
Eiichi Hioka, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
An internal combustion engine includes a plurality of cylinders, intake valves () provided respectively in the cylinders, and a variable valve mechanism () for changing a valve characteristic of the intake valves (). A motor () drives the variable valve mechanism (). A motor controller () controls the motor (). The internal combustion engine can be operated in a cylinder deactivation mode for retaining the intake valves () of some of the cylinders in a valve closing state. When the internal combustion engine returns from the cylinder deactivation mode, the motor controller () executes overlap adjustment processing for controlling the valve characteristic such that valve opening periods of the intake valves () are not overlapped between the cylinders.