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:
Dec. 03, 2024
Filed:
Sep. 25, 2020
Hitachi Astemo, Ltd., Hitachinaka, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Tatsumi Yamauchi, Hitachinaka, JP;
Akihiro Machida, Hitachinaka, JP;
Toyoki Iguchi, Atsugi, JP;
Hiroaki Saitou, Atsugi, JP;
Hiroaki Hashimoto, Atsugi, JP;
Akihiro Nomura, Atsugi, JP;
HITACHI ASTEMO, LTD., Hitachinaka, JP;
NISSAN MOTOR CO., LTD., Yokohama, JP;
Abstract
An in-vehicle battery system comprises: a battery; a relay for establishing or cutting off an electrical connection between the battery and an inverter; a plurality of switches respectively provided in a current path for switching the relay; and a battery control apparatus that supervises a status of the battery. The plurality of switches include a first switch provided in the battery control apparatus and a second switch provided in a vehicle control apparatus which controls traveling of the vehicle; the first switch and the second switch are serially connected to each other in the current path; the battery control apparatus controls a status of switching the first switch; and the vehicle control apparatus controls a status of switching the second switch.