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High rate discharge (HRD) valve opening mechanism for a fire and explosion protection

  • US 8,757,191 B2
  • Filed: 12/08/2011
  • Issued: 06/24/2014
  • Est. Priority Date: 12/08/2011
  • Status: Active Grant
First Claim
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1. A valve actuation mechanism, comprising:

  • a valve member including;

    a hollow bore on an interior of the valve member;

    a moveable rod disposed within the bore; and

    an actuating mechanism attached to the moveable rod;

    wherein the actuating mechanism comprises an electronic protractor;

    a plurality of links, each link with a proximal end and distal end, the links disposed adjacent the valve member;

    at least one roller connected to the distal ends of at least two links, wherein the roller contacts a surface of the valve member; and

    at least one pivot for each link present in the valve, wherein each pivot is positioned on the proximal end of each of the plurality of links.

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