Diffuser shape vent slots in a hand torch shield castellation

  • US 9,462,670 B2
  • Filed: 08/25/2014
  • Issued: 10/04/2016
  • Est. Priority Date: 07/16/2010
  • Status: Active Grant
First Claim
Patent Images

1. A torch tip for a plasma arc torch, the torch tip comprising:

  • a body having a first end and a second end, the first end of the body configured to attach to the plasma arc torch;

    an end wall disposed at the second end of the body;

    a plasma exit orifice formed in the end wall at the second end of the body;

    at least two castellations formed in an exterior surface of the end wall, each castellation having a castellation width defined by a distance between a first sidewall of each castellation and a second sidewall of each castellation at the second end of the body;

    at least one slot disposed between the two castellations, each slot having a slot floor and a slot width, and the slot width being defined by a distance between the first sidewall of a first castellation and the second sidewall of a second castellation adjacent the first castellation at the second end of the body, the slot width increasing with axial or radial distance away from the plasma exit orifice;

    wherein the slot width is at least twice the castellation width.

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