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Breakaway coupling monitoring

  • US 9,604,838 B2
  • Filed: 02/09/2016
  • Issued: 03/28/2017
  • Est. Priority Date: 02/09/2015
  • Status: Active Grant
First Claim
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1. A coupling, comprising:

  • a first body member and a second body member;

    a coupling system operative to releasably connect the first body member with the second body member via at least one permanent magnet mounted on one of the first and second body members and a strike member mounted on the other of the first and second body members, wherein the coupling system allows the second body member to move from a coupled position to an uncoupled position with respect to the first body member in response to a predetermined tensile force;

    the first and second body members defining a fluid flow path therein when the second body member is in the coupled position; and

    a sensor assembly coupled with the first body member and comprising at least one sensor operative to detect that the second body member has moved to the uncoupled position based on a change in a magnetic field of the at least one permanent magnet.

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