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Method and Apparatus for Generating a Mist

  • US 20080230632A1
  • Filed: 02/25/2005
  • Published: 09/25/2008
  • Est. Priority Date: 02/26/2004
  • Status: Active Grant
First Claim
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1. Apparatus for generating a mist comprising:

  • a conduit having a mixing chamber and an exit;

    a working fluid inlet in fluid communication with said conduit, the working fluid inlet adapted to introduce a working fluid into the conduit; and

    a transport nozzle in fluid communication with the said conduit, the transport nozzle adapted to introduce a transport fluid into the mixing chamber;

    characterised in that the transport nozzle includes a convergent-divergent portion therein such as in use to provide for the generation of high velocity flow of the transport fluid;

    and wherein the transport nozzle and conduit have a relative angular orientation such that in use the working fluid is atomised and a dispersed droplet flow regime of droplets is created in the mixing chamber by the introduction of transport fluid flow from the transport nozzle into working fluid flow from the conduit and the subsequent shearing of the working fluid by the transport fluid, wherein the angular orientation of the transport nozzle and conduit is such that the shearing of the working fluid creates a dispersed droplet flow regime in which a substantial portion of the droplets have a size of less than 20 μ

    m.

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