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Coil

  • US 6,512,439 B1
  • Filed: 06/15/2001
  • Issued: 01/28/2003
  • Est. Priority Date: 11/11/1999
  • Status: Expired due to Term
First Claim
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1. A coil comprising a coil body having an axis, and windings of a first electrical wire and windings of at least one more electrical wire around the coil body, each of the wires having a first and a second end, a loop connecting the second end of the first wire to the first end of a first of said at least one more electrical wire, electrical connections connected at the first end of the first wire and at the second end of a last of said at least one more electrical wire, wherein the individual windings of the first wire and the windings of the at least one more wire begin at starting points which are shifted against each other along the circumference of the coil body, and wherein each wire crosses under itself after about one rotation at a redirection point and each wire crosses over a next adjacent winding along the axis of the coil before being wrapped around the coil body again, so that the windings of different wires alternate along the axis of the coil body.

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