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Differential current shunt

  • US 5,027,059 A
  • Filed: 08/24/1989
  • Issued: 06/25/1991
  • Est. Priority Date: 08/24/1989
  • Status: Expired due to Term
First Claim
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1. An electrical current shunt comprising a single conductor element having an axis coincident with the direction of intended current flow therein and having an aperture therein, said aperture defining first and second conductor portions on opposing sides of said aperture positioned with respect to said aperture in a direction transverse to said axis, said first and second conductor portions differing in resistance from each other,core means composed of a low reluctance material, a portion thereof forming a single, unbranched magnetic circuit passing through said aperture twice and extending around both said first and second conductor portions, andcoil means wound on said core means for sensing at least a portion of the magnetic flux in said core means.

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