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Fluid sampling apparatus

  • US 4,018,089 A
  • Filed: 05/05/1976
  • Issued: 04/19/1977
  • Est. Priority Date: 05/05/1976
  • Status: Expired due to Term
First Claim
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1. Improved insertion type sampling apparatus for sampling a moving fluid in a main conduit comprising:

  • a. a body adapted to be mounted on the main conduit and having a first opening and a second opening into the interior of the main conduit, said body further having a passageway therein communicating on one end with said first opening and communicating on the other end with said second opening whereby fluid can enter said passageway from said main conduit through one of said openings, flow through said passageway and re-enter the fluid in the main conduit through the other of said openings, the portion of said passageway up to said means for holding a sensor and the portion of said passageway after said means for holding a sensor being a pair of conduits one within the other;

    b. first nozzle means connected to said first opening and being disposed with an opening in the moving fluid whereby the kinetic energy of the moving fluid will force a portion of the fluid through said passageway;

    c. valve means operably attached to said body and being adapted to open and close said passageway in two locations with one movable actuator; and

    ,d. means for holding a sensor disposed between said two locations of valve opening and closing in said passageway and being so shaped and positioned that when said valve means is in the open position a portion of the fluid passing through said passageway will contact a sensor held by said holding means.

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