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Surge arrester having controlled multiple current paths

  • US 5,594,613 A
  • Filed: 01/20/1995
  • Issued: 01/14/1997
  • Est. Priority Date: 10/09/1992
  • Status: Expired due to Fees
First Claim
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1. A surge arrester comprising:

  • a nonlinear resistive element having a first face and a second face that is spaced apart from said first face by the thickness of said element, wherein each of said faces includes a central portion surrounded by an outer portion, said resistive element having a longitudinal axis intersecting said first and second faces;

    a first electrode adjacent to said first face;

    a second electrode adjacent to said second face;

    means for directing steady-state currents between said first electrode and said second electrode along a steady-state current path through said element that is formed at an angle relative to said axis;

    means for directing surge currents between said first electrode and said second electrode through a solid portion of said element along a surge current path that is formed substantially parallel to said axis.

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