US 12,077,054 B2
Vehicle main contactor weld detection system
Benjamin A. Tabatowski-Bush, Ann Arbor, MI (US); Wesley Edward Burkman, Dearborn, MI (US); Baojin Wang, Saline, MI (US); and John Paul Gibeau, Canton, MI (US)
Assigned to Ford Global Technologies, LLC, Dearborn, MI (US)
Filed by Ford Global Technologies, LLC, Dearborn, MI (US)
Filed on May 27, 2021, as Appl. No. 17/331,836.
Prior Publication US 2022/0379729 A1, Dec. 1, 2022
Int. Cl. B60L 3/00 (2019.01); B60L 3/04 (2006.01); B60L 3/12 (2006.01)
CPC B60L 3/0046 (2013.01) [B60L 3/04 (2013.01); B60L 3/12 (2013.01)] 13 Claims
OG exemplary drawing
 
11. A power system for a vehicle comprising:
a controller programmed to command a main contactor that electrically connects a traction battery with an electric machine to sequentially open and then close according to a sensed inrush current through the main contactor, and selectively inhibit operation of the vehicle according to the sensed inrush current.