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Seal for pressure transmitter for use in industrial process

  • US 9,103,739 B2
  • Filed: 09/27/2013
  • Issued: 08/11/2015
  • Est. Priority Date: 09/27/2013
  • Status: Active Grant
First Claim
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1. A pressure transmitter system for measuring a pressure of a process fluid in an industrial process, comprising:

  • a pressure transmitter having a pressure sensor;

    a process fluid passageway having a circular opening configured to couple pressure of the process fluid to the pressure sensor;

    a concentric seal support structure which extends around the circular opening comprising;

    an annular recess;

    an annular stress riser positioned radially inward from the annular recess; and

    a seal material which fills the annular recess and contacts at least a portion of the annular stress riser.

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