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Apparatus and Method for Electrocrushing Rock

  • US 20100000790A1
  • Filed: 07/14/2009
  • Published: 01/07/2010
  • Est. Priority Date: 08/20/2004
  • Status: Active Grant
First Claim
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1. A method of breaking a substrate using pulsed power comprising:

  • providing an electrocrushing drill comprising a non-rotatable drill bit;

    generating pulsed power with a spiker-sustainer pulsed power system;

    generating at least one initial high voltage pulse;

    generating at least one high current pulse;

    providing an electric field in the substrate;

    passing a resulting pulsed electric current through the substrate; and

    breaking the substrate with the pulsed electric current.

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