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Direct mount system for a fluid sampling pump and method

  • US 5,109,709 A
  • Filed: 09/21/1990
  • Issued: 05/05/1992
  • Est. Priority Date: 03/20/1990
  • Status: Expired due to Fees
First Claim
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1. An interface for mounting a sampling pump to a flow line having a sampling nipple secured thereto, the sampling pump including a pump manifold having a hot loop passageway with a first hot loop entry port, a second hot loop exit port, and a third port spaced opposite the second port with respect to the first port, each of the first, second, and third ports passing through a lower face of the pump manifold, and the pump having an inlet along the hot loop passageway in the pump manifold, the interface comprising:

  • an interface body having (a) a hot loop entry passageway through the interface body for maintaining fluid communication between the flow line and the first hot loop entry port, (b) a hot loop return passage through the interface body for maintaining fluid communication between the second hot loop exit port and the flow line, and (c) tapered external threads on an end of the interface body for sealing engagement with mating threads on the sampling nipple;

    first and second fittings;

    first and second nipples each having an upper end for sealing engagement with the second hot loop exit port and the third port in the pump manifold, respectively, and a lower end for engagement with a corresponding one of the first and second fitting;

    a spacer nipple having an upper end for sealing engagement with the first hot loop entry port and a through passagewayan interface plate having first and second passageways for receiving portions of the first and second nipples, respectively, and a flow passageway spaced between the first and second passageway for transmitting fluid from the hot loop entry passageway in the interface body to the first hot loop entry port; and

    connection means for fixedly securing the interface plate to-the interface body, such that the pump is directly supported by the interface to the flow line.

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