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. 23, 2025
Filed:
Nov. 09, 2022
Denso Corporation, Kariya, JP;
Tetsuo Morita, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A power supply system includes: electrical loads; a first system including a first power supply that outputs a power supply voltage; a second system including a second power supply that includes a storage battery; an inter-system switch; an abnormality determination unit that determines whether an abnormality has occurred in the first system; and a state control unit that opens the inter-system switch when it is determined that an abnormality has occurred in the first system. A first path and a second path are provided in parallel with each other between a connection point and the second power supply. In the first path, there is provided an electric power converter. The storage battery is charged to a voltage higher than the lower limit of drive voltages of the electrical loads. Through the second path, the voltage of the storage battery can be applied, bypassing the power converter, to the electrical loads.