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:
Jun. 21, 2022
Filed:
Jul. 17, 2020
Yazaki Corporation, Tokyo, JP;
Masashi Nakamura, Utsunomiya, JP;
Kazuki Kato, Utsunomiya, JP;
Akiyoshi Kanazawa, Utsunomiya, JP;
Satoshi Enomoto, Utsunomiya, JP;
YAZAKI CORPORATION, Tokyo, JP;
Abstract
A power supply system includes a high voltage battery, a first DCDC converter connected to the high voltage battery, a low voltage lead battery configured to be charged from the high voltage battery via the first DCDC converter, a low voltage lithium battery connected to a low voltage power supply circuit, the low voltage lead battery, and a load, a second DCDC converter connected to the low voltage power supply circuit and disposed between the low voltage lead battery and the low voltage lithium battery, a bypass circuit connected to the low voltage power supply circuit to bypass the second DCDC converter, and a control device configured to watch the low voltage lithium battery and control on/off of a switch unit provided in the bypass circuit.