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Variable flow spray nozzle system

  • US 6,230,091 B1
  • Filed: 04/30/1999
  • Issued: 05/08/2001
  • Est. Priority Date: 09/30/1997
  • Status: Expired due to Term
First Claim
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1. A variable flow spray system for delivering a plurality of liquid crop inputs over an agricultural field, the system comprising:

  • a spray boom having a plurality of transversely spaced release zones, each release zone comprising a plurality of nozzle modules wherein each nozzle module is configured for controlled variable flow;

    a positioning system for determining a position of the spray boom in the field; and

    a control system in communication with each nozzle module and the positioning system such that multiple liquid crop inputs are variably applied at a prescriptive rate in a direction substantially transverse to the direction of the spray boom moving through the field.

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