×

Apparatus and method for a liquid cooled shield for improved piercing performance

  • US 8,389,887 B2
  • Filed: 09/29/2008
  • Issued: 03/05/2013
  • Est. Priority Date: 03/12/2008
  • Status: Active Grant
First Claim
Patent Images

1. A shield retaining cap for retaining a shield to a plasma arc torch comprising:

  • an outer component having an interior surface and an exterior surface;

    an inner component circumferentially disposed within the outer component and having an interior surface and exterior surface; and

    a liquid coolant channel comprising;

    a first portion of the liquid coolant channel defined, at least in part, by a portion of the interior surface of the inner component;

    a second portion of the liquid coolant channel defined, at least in part, by the exterior surface of the inner component and the interior surface of the outer component; and

    a port between the exterior surface of the inner component and the interior surface of the outer component and disposed at an end of at least one of the outer component or the inner component.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×