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Fluidic buffer volume device with reduced mixedness

  • US 9,494,174 B2
  • Filed: 03/07/2014
  • Issued: 11/15/2016
  • Est. Priority Date: 03/07/2014
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a fluidic buffer volume device, comprising;

    an inlet defined by an inlet wall;

    a plurality of nested tubes defining annular flow paths between walls of adjacent tubes, wherein a portion of the inlet wall is centrally disposed within the plurality of nested tubes in a concentric arrangement;

    an outlet; and

    a fluid flow path through the inlet, the plurality of nested tubes, and the outlet, wherein the fluid flow path extends from the inlet to the outlet via a tortuous path through the annular flow paths between the walls of adjacent tubes of the plurality of nested tubes in a first direction from the inlet towards the outlet and in a second direction from the outlet towards the inlet;

    wherein the fluidic buffer volume device is configured to reproduce a transient event occurring upstream of the inlet in a fluid downstream of the outlet after the fluid travels along the fluid flow path, and wherein a respective radial offset between the walls of the adjacent tubes of the plurality of nested tubes decreases from an innermost pair of adjacent tubes to an outermost pair of adjacent tubes to minimize a pressure drop of the fluid within the fluidic buffer volume device.

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