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Self-filling soil processing chamber with dynamic extractant volume

  • US 9,739,693 B2
  • Filed: 03/21/2016
  • Issued: 08/22/2017
  • Est. Priority Date: 09/06/2012
  • Status: Active Grant
First Claim
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1. A soil analysis device comprising:

  • a reservoir configured to store a cleaning fluid;

    a mixing chamber coupled to the reservoir and configured to take one or more measurements from a soil solution sample stored within the mixing chamber;

    a mixing assembly coupled to the mixing chamber and configured to mix contents of the mixing chamber;

    a drain box coupled to the mixing chamber and configured to evacuate the contents of the mixing chamber;

    an air source configured to move the cleaning fluid from the reservoir to the mixing chamber;

    a control system configured to, in response to determining that the one or more measurements have been completed;

    cause the drain box to evacuate a substantial portion of the soil solution sample from the mixing chamber,cause the air source to move at least a portion of the cleaning fluid from the reservoir to the mixing chamber,cause the mixing chamber to move the portion of the cleaning fluid within the mixing chamber to clean leftover particulates of the soil solution sample from the mixing chamber,cause the drain box to evacuate the portion of the cleaning fluid from the mixing chamber.

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