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Systems for the control and use of fluids and particles

  • US 8,235,258 B2
  • Filed: 06/03/2011
  • Issued: 08/07/2012
  • Est. Priority Date: 04/19/2005
  • Status: Active Grant
First Claim
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1. A system, comprising:

  • a hopper configured to hold a gel and seed mixture;

    a delivery tube including a first end in communication with a bottom end of the hopper and including a second end;

    a nozzle coupled to the second end of the delivery tube, the nozzle including inwardly slanting walls ending in an orifice; and

    an auger including a first portion positioned within the delivery tube and a second portion positioned within the nozzle, the second portion positioned at least part way between the inwardly slanting walls, the auger configured for transporting the gel and seed mixture through the nozzle and out the orifice, the auger including a plurality of helical threads extending at least from the first portion through the second portion and terminating at a termination land of the auger, the plurality of helical threads having a first angle adjacent the termination land and having a second angle at the first portion of the auger, the first angle being less than the second angle.

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