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:
Jan. 05, 2021
Filed:
Mar. 01, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Ryosuke Oya, Miyoshi, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A fuel cell system FCS includes a fuel cell, a high voltage circuitfor driving an electromotor, and a relayfor electrically connecting or blocking the fuel cellto or from the high voltage circuit. A control unitobtains insulation decrease information in accordance with a request for starting the fuel cell, and performs, when a specified insulation decrease occurred region is not a fuel cell region SEincluding the fuel cell and the cooling circuit, conductivity reduction process on cooling liquid using a conductivity reduction unitbefore having a relayconnect, and has the relayconnect after completing the conductivity reduction process.