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Electric motor for laser-mechanical drilling

  • US 9,784,037 B2
  • Filed: 06/22/2015
  • Issued: 10/10/2017
  • Est. Priority Date: 02/24/2011
  • Status: Active Grant
First Claim
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1. A method of performing a laser operation, the method comprising:

  • a. locating an electric laser tool assembly at a work area for perform a laser operation in the work area;

    b. the electric laser tool assembly having;

    an electric motor;

    a first section attached with a second section;

    the second section rotationally attached with a third section;

    a collimator;

    a first fluid cavity;

    the second section comprising an inner optical cavity and a second fluid cavity;

    the third section comprising an optics assembly, and a third fluid cavity;

    a first rotary seal sealing the first and second sections;

    a second rotary seal sealing the second and the third sections;

    c. transmitting a high power laser beam along a laser beam path extending through the inner optical cavity of the second section, wherein the laser beam is collimated;

    d. transmitting a high power laser beam along a laser beam path within the electric laser tool assembly, the laser beam path extending through the collimator, the first section, the inner optical cavity of the second section and the optics assembly of the third section;

    whereby a collimated laser beam is transmitted through the optical cavity;

    e. transmitting a fluid through the first fluid cavity, the second fluid cavity and the third fluid cavity;

    f. delivering the laser beam and the fluid from the electric laser tool assembly to the work area;

    g. rotating at least one of the sections; and

    ,h. performing a laser operation in the work area.

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