Fast current control of inductive loads
US7433171B2 · kind B2 · utility
8Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2003 |
| Grant date | Oct 7, 2008 |
| Priority date | — |
| Expiry date | Nov 17, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F7/1811
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A circuit arrangement for the fast dissipation of the stored magnetic energy in an inductive load controlled by a first switch, comprising a high voltage-drop energy dissipation path disposed across the first switch and a second switch by which a constant-voltage diode drop path across the load can be selectively opened.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.