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:
Feb. 05, 2019
Filed:
Sep. 25, 2015
Aisin Seiki Kabushiki Kaisha, Kariya-shi, Aichi, JP;
Masaaki Kaneko, Aichi, JP;
AISIN SEIKI KABUSHIKI KAISHA, Kariya-Shi, Aichi-Ken, JP;
Abstract
A valve opening and closing timing control apparatus includes a valve opening and closing timing control apparatus provided at a camshaft for an intake valve of an internal combustion engine and a valve opening and closing timing control apparatus provided at a camshaft for an exhaust valve and includes a control unit changing a phase of one of the valve opening and closing timing control apparatus for the intake valve and the valve opening and closing timing control apparatus for the exhaust valve serving as an electric type which malfunctions to a most advanced angle phase and changing a phase of the other of the valve opening and closing timing control apparatus which is inhibited from malfunctioning to an advanced angle side in a case where one of the valve opening and closing timing control apparatus serving as the electric type malfunctions.