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Electrostatic generator electrode-centering and seismic-isolation system for flywheel-based energy storage modules

  • US 10,541,586 B2
  • Filed: 07/05/2016
  • Issued: 01/21/2020
  • Est. Priority Date: 07/05/2016
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • an open cylindrical rotor having a central axis of rotation and an inner surface;

    a first support structure that is stationary relative to said rotor;

    a first annular element having its outermost edge attached to a first location of said inner surface of said rotor;

    a second annular element attached to said first support structure, wherein said second annular element is positioned in proximity to said first annular element, wherein at least one of said first annular element and said second annular element is configured to magnetically attract the other of said first annular element and said second annular element;

    a second support structure;

    a triplet array comprising;

    a first magnetic annular element attached to a second location of said inner surface of said rotor;

    a second magnetic annular element attached to said second support structurea third magnetic annular element attached to said second support structure, wherein said second magnetic annular element and said third magnetic annular element are positioned on opposite sides, one to another, of said first magnetic annular element and both magnetically repel said first magnetic annular element;

    a base and at least one compression spring attached to and located between said second support structure and said base;

    a guide tube fixedly attached to said base; and

    a guide shaft fixedly attached to said second support structure, wherein said guide tube is configured to receive said guide shaft.

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