Patent · US Expired

Electric current sensor with a bracket attached to the core on either side of the air-gap and outside of the air gap

US7492145B2 · kind B2 · utility

1Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 20, 2004
Grant dateFeb 17, 2009
Priority date
Expiry dateMar 6, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R15/205
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An electric current sensor having a housing, magnetic circuit with a magnetic core, and a magnetic field detector with a detection cell, positioned in an air gap between ends of the core. The core is made of a non-laminated magnetic material, and the magnetic circuit has a strap made of non-magnetic material welded to the core at each side of the air gap. The magnetic field detector has a support plate on which the detection cell is mounted. The plate has a recess, opposition the detection cell, which houses one end of the magnetic circuit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.