Protective device for an electrical circuit, electrical circuit provided with such a device and method for protecting such an electrical circuit
US10529521B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2016 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Sep 9, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H39/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a protective device (2) for an electrical circuit (1), including a first fuse (8), a pyroelectric switch (12) connected in parallel with the first fuse and comprising a control area (16), capable of receiving a trigger signal (S), and a power area (18) for the passage of the electric current. The device also comprises a control circuit configured to produce and transmit the trigger signal to the control area. The device includes a second fuse connected in series between a first input conductor (4) and the first fuse and capable of supplying a power supply voltage (V) to the control circuit, which is connected between the second fuse and the control area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.