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Planar composite structures and assemblies for axial flux motors and generators

  • US 10,170,953 B2
  • Filed: 12/22/2017
  • Issued: 01/01/2019
  • Est. Priority Date: 10/02/2015
  • Status: Active Grant
First Claim
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1. A planar composite structure (PCS) for use in an axial flux motor or generator, comprising:

  • a dielectric layer;

    a first conductive layer disposed on a first side of the dielectric layer, the first conductive layer comprising first conductive traces that include;

    first radial conductors, each of the first radial conductors extending radially at least between a first radial distance and a second radial distance that is greater than the first radial distance, andfirst conductive end turns, each of the first conductive end turns interconnecting a respective pair of the first radial conductors, the first conductive end turns including a first inner end turn and a second inner end turn, the first inner end turn electrically interconnecting portions of a first pair of the first radial conductors at the first radial distance, and the second inner end turn electrically interconnecting portions of a second pair of the first radial conductors at the first radial distance;

    wherein the first conductive traces form;

    a first portion of a first winding that, when energized, generates magnetic flux for a first phase of the motor or generator, the first portion of the first winding including the first inner end turn, anda first portion of a second winding that, when energized, generates magnetic flux for a second phase of the motor or generator, the first portion of the second winding including the second inner end turn;

    a second conductive layer located on a second side of the dielectric layer, the second conductive layer comprising second conductive traces that include second radial conductors, wherein each of the second radial conductors extends radially at least between the first radial distance and the second radial distance; and

    vias through the dielectric layer, each of the first radial conductors being electrically connected through at least one respective via to a corresponding one of the second radial conductors.

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