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Connection State Sensing for Coupling Device

  • US 20070209716A1
  • Filed: 03/13/2007
  • Published: 09/13/2007
  • Est. Priority Date: 03/13/2006
  • Status: Active Grant
First Claim
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1. A coupling device, comprising:

  • a main body defining a fluid flow passage;

    a valve member moveable between an unconnected state and a connected state;

    a magnet coupled to one of the valve member or the main body; and

    a sensor coupled to an other of the valve member or the main body, the sensor being configured to sense a change in a magnetic flux of the magnet as the valve member moves between the unconnected state and the connected state to estimate a connection state of the coupling device.

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