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. 24, 2012
Filed:
Feb. 07, 2007
Zenichiro Mashiki, Nisshin, JP;
Yasumichi Inoue, Toyota, JP;
Yoshihito Moriya, Nagoya, JP;
Haruyuki Urushihata, Chiryu, JP;
Zenichiro Mashiki, Nisshin, JP;
Yasumichi Inoue, Toyota, JP;
Yoshihito Moriya, Nagoya, JP;
Haruyuki Urushihata, Chiryu, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi-Ken, JP;
Denso Corporation, Aichi-Ken, JP;
Abstract
An ECU executes a program including the step of stopping power supply to an electric motor if a phase of an intake valve is in a first region between the most retarded angle and CA. In the case where the phase of the intake valve is in the first region, the rotational speed of relative rotation between the output shaft of the electric motor and a sprocket is reduced at reduction gear ratio R thereby to vary the phase of the intake valve. In the case where the phase of the intake valve is in a second region between CA and the most advanced angle, the rotational speed of the relative rotation is reduced at reduction gear ratio R thereby to vary the phase of the intake valve.