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. 05, 2016
Filed:
Aug. 06, 2012
Yoshihisa Fujii, Hitachinaka, JP;
Osamu Mukaihara, Hitachinaka, JP;
Yoshihisa Fujii, Hitachinaka, JP;
Osamu Mukaihara, Hitachinaka, JP;
Hitachi Automotive Systems, Ltd., Hitachinaka-shi, JP;
Abstract
An engine control apparatus includes an engine control unit that is configured to control a ring gear, a starting device and a pinion gear. The engine control unit is further configured to perform a control to engage the ring gear and pinion gear with each other in an idling stop state, and to control a pinion gear driver. The pinion gear driver actuates the pinion gear to disengage from the ring gear. In particular, the pinion gear driver actuates the pinion gear to disengage from the ring gear while the ring gear is not rotated and while a starter motor of the starting device is rotated or while injectors of an engine are caused to inject fuel into cylinders of the engine to ignite an air-fuel mixture therein, so as to release engagement of the pinion and ring gears.