Power supply apparatus and electricity storage device
US10998758B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 2019 |
| Grant date | May 4, 2021 |
| Priority date | — |
| Expiry date | Oct 16, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/56
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power supply apparatus includes a latch type first relay inserted between a system power supply and a load, where the latch type first relay includes a switch, a tripping coil configured to open the switch, and a closing coil configured to close the switch, an electricity storage system including a charging and discharging unit inserted between a secondary battery and the load, a non-latch type second relay including a contact and an operating coil configured to open and close the contact, where the operating coil is connected between the electricity storage system and the load, and a control circuit connected to the first relay via the contact of the second relay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.