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Current sensing inductive devices

  • US 9,823,274 B2
  • Filed: 01/07/2010
  • Issued: 11/21/2017
  • Est. Priority Date: 07/31/2009
  • Status: Active Grant
First Claim
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1. A current sensing inductive device, comprising:

  • a plurality of bobbin elements, each element having at least a portion of a conductive winding wound thereon; and

    a return conductor configured to electrically couple a leading one of the plurality of bobbin elements with a trailing one of the plurality of bobbin elements;

    wherein a first bobbin element of the plurality of bobbin elements includes a first conductive element, the first conductive element configured to electrically couple the return conductor to a first end of the conductive winding;

    wherein at least two of the plurality of bobbin elements are physically coupled to one another via a hinged coupling; and

    wherein the hinged coupling comprises;

    a pair of outer hinge features disposed on a first one of the plurality of bobbin elements;

    a pair of inner hinge features disposed on a second one of the plurality of bobbin elements; and

    a hinge pin disposed within the pairs of inner and outer hinge features.

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