Ring type current sensor

Details Ring type current sensor Ring type current sensor

2006-12-12

2006-12-12

Hollington, Jermele (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

C324S11700H, C324S252000, C336S229000

Reexamination Certificate

active

07148675

ABSTRACT:
A ring type current sensor has a C-shaped core and a magnetic sensor. An inner circumference of the core defines a detection field of a current. Both end faces in a circumferential direction of the core forms a gap therebetween. A cross-sectional area of the core perpendicular to the circumferential direction gradually increases from the both end faces to a portion opposite to the gap in a diametrical direction. A magnetic sensor is disposed in the gap. Preferably, the core is a stack of a plurality of core plates having different shapes.

REFERENCES:
patent: 6628495 (2003-09-01), Gerfast
patent: 6759840 (2004-07-01), Marasch et al.
patent: 2002/0067239 (2002-06-01), Nathasingh et al.
patent: 2003/0227284 (2003-12-01), Marasch et al.
patent: A-2003-167009 (2003-06-01), None
patent: 2003-215170 (2003-07-01), None

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