Current sensor
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United States of America Patent
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Jun 21, 2011
Grant Date -
Apr 24, 2008
app pub date -
Jul 6, 2005
filing date -
Jul 16, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrical current sensor comprises a magnetic circuit with an air-gap, a magnetic field sensor positioned in the air-gap, and a secondary coil surrounding a branch of the magnetic circuit. The magnetic circuit comprises at least two parts (18, 20) that are assembled together, a branch portion (45, 46) of each part being insertably received in a central cavity of the secondary coil in an axial direction (A). The air-gap (30) is arranged between overlapping branch portions of each magnetic field circuit part.
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