Vehicle electricity storage device
US11251647B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2017 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Dec 22, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2310/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a vehicle electricity storage device capable of maintaining proper backup of a main power supply. The vehicle electricity storage device includes an electricity storage circuit, a main charge circuit, and a precharge circuit. The electricity storage circuit configured to supply stored electricity to a load. The main charge circuit operates to supply electricity of a main power supply to the electricity storage circuit when an ignition switch is in an ON state of allowing an engine to start. The precharge circuit operates to supply electricity of the main power supply to the electricity storage circuit when the main charge circuit is in a state of stopping operation by the ignition switch being turned off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.