Device for measuring a current flowing through an electric cable
US8963537B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2012 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Feb 1, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R15/20
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for measuring a current flowing through an electric cable comprises a printed circuit board, a magnetic field sensor and a ferromagnetic component. The ferromagnetic component comprises two tongues whose front faces are disposed opposite of each other and are separated by an air gap and further comprises at least two feet, with the tongues and/or the feet being bent off. The cable is guidable through an opening which is enclosed by the ferromagnetic component. The ferromagnetic component and the magnetic field sensor are mounted on a surface of the printed circuit board. The magnetic field sensor is sensitive to a magnetic field extending parallel to the surface of the printed circuit board. The tongues of the ferromagnetic component extend parallel to the surface of the printed circuit board (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.