Current sensors
US7298131B2 · kind B2 · utility
2Cited by
11References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 2001 |
| Grant date | Nov 20, 2007 |
| Priority date | — |
| Expiry date | Apr 30, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2085/0266
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A current sensor comprises an outer shielding means (4), a toroidal inner core and inner shield means (1). A combined driving and sensing winding (3) is wound around the inner core. First and second ends of the winding (3) are connectable to a sensor head. The inner shield means (1) has a gap (1A) formed in it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.