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. 02, 2021
Filed:
May. 14, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Takaharu Hagiwara, Okazaki, JP;
Masato Nonaka, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
An electrically operated valve system includes: a first switching element and a second switching element connected in series to an electric power supply; a third switching element and a fourth switching element connected in series to the electric power supply; diodes; a coil connected between a first middle point and a second middle point, the coil being wired such that a valve opens when the second switching element and the third switching element are opened and the first switching element and the fourth switching element are closed; a shutoff switch configured to shut off a path between a positive electrode of the first switching element and the electric power supply; and a capacitor connected at one end of the capacitor between the shutoff switch and the first switching element and connected at the other end of the capacitor to the negative electrode of the electric power supply.