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:
Jul. 21, 2026
Filed:
Oct. 07, 2022
Ford Global Technologies, Llc, Dearborn, MI (US);
Hongjie Wu, Canton, MI (US);
Yuqing Tang, Northville, MI (US);
FORD GLOBAL TECHNOLOGIES, LLC, Dearborn, MI (US);
Abstract
An electrified vehicle includes an active discharge system having a plurality of resistors connected in parallel, a switch connected in series with the plurality of resistors with the switch and the plurality of resistors connected across positive and negative legs of a high-voltage DC bus, and a controller coupled to the switch and programmed to close the switch in response to a vehicle shutdown signal, and in response to voltage of the DC bus exceeding a first threshold after a predetermined elapsed time from closing the switch, open the switch. The controller may also open the switch when the voltage of the DC bus is below a second threshold.