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System and method for maintaining irrigation accuracy of an irrigation system

  • US 7,617,992 B2
  • Filed: 10/30/2004
  • Issued: 11/17/2009
  • Est. Priority Date: 10/30/2004
  • Status: Active Grant
First Claim
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1. An irrigation system for applying an irrigation fluid from a fluid source to an irrigation region, the irrigation system comprising:

  • a first alignment guide; and

    an irrigation unit spaced apart from the alignment guide, the irrigation unit directing the irrigation fluid to a portion of the irrigation region, the irrigation unit including (i) a nozzle that is in fluid communication with the fluid source so that the irrigation fluid from the fluid source is transferred to the nozzle, (ii) a sensor that senses the position of the first alignment guide relative to the nozzle, (iii) a unit control system that receives a signal from the sensor regarding the position of the first alignment guide relative to the nozzle to adjust one of a flow rate of irrigation fluid through the nozzle and a position of the nozzle, and (iv) a housing having a portion that is fixed relative to the irrigation region, the housing retaining the nozzle so that at least a portion of the nozzle is positioned within the housing.

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