Controlled pre-charge circuit arrangement
US10549643B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2016 |
| Grant date | Feb 4, 2020 |
| Priority date | — |
| Expiry date | Jan 1, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/72
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle system includes a relay and coil of a contactor. The relay is configured to transfer current between a traction battery and an electrical load when closed. The system also includes a controller configured to operate a switch such that current flow from the traction battery through the coil and switch, and bypassing the relay, causes the relay to close to permit pre-charging of the load.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.