Burst disk assembly

  • US 7,051,751 B2
  • Filed: 12/05/2003
  • Issued: 05/30/2006
  • Est. Priority Date: 12/05/2003
  • Status: Active Grant
First Claim
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1. A burst disk assembly for use in a pressurized gas system for venting pressurized gas from the system in the event that the gas exceeds a predetermined pressure, comprising:

  • a body having a plug region, an intermediate region adjacent and contiguous with the plug region and a venting region adjacent and contiguous with the intermediate region, the plug region defining an end rim and having an open cross-section of constant diameter, the intermediate region having an open cross-section that is less than the open cross-section of the plug region, the plug region and the intermediate region defining a radial wall therebetween having a flat face, the venting region have an open cross-section that is less than the open cross-section of the intermediate region;

    a plug having a tapered cylindrical shape having a minimum cross-section that is less than the body plug region open cross-section and a maximum cross-section that is greater than the body plug region open cross-section, the plug having a through bore having a diameter less than the open cross-section of the intermediate region, the plug defining, at an end adjacent the minimum cross-section, a disk face; and

    a frangible disk configured for placement in the plug region and being sandwiched between the plug disk face and the body radial wall.

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