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SPRAY NOZZLE, SPRAY DEVICE AND METHOD OF OPERATING A SPRAY NOZZLE AND A SPRAY DEVICE

  • US 20130161408A1
  • Filed: 02/20/2013
  • Published: 06/27/2013
  • Est. Priority Date: 05/06/2005
  • Status: Active Grant
First Claim
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1. A method of operating a spray nozzle comprising the steps of:

  • providing a spray nozzle comprising a mixing chamber and at least two through bores leading to the mixing chamber, each through bore being connected to a fluid line, at least one of the through bores being formed for a self-cleaning process and/or devices are provided for cleaning at least one of the through bores;

    providing a pressurized gas supply line leading to the mixing chamber as one of the fluid lines upstream of one of the through bores formed as a pressurized gas inlet bore;

    providing a liquid supply line leading to the mixing chamber as one of the fluid lines;

    introducing a liquid into the liquid supply line;

    introducing a pressurized gas into the pressurized gas supply line to alter a spray characteristic of the liquid exiting the mixing chamber and spray nozzle;

    providing a tank for holding a cleaning liquid that is separate from the liquid being supplied to the liquid supply line and separate from the gas being supplied to the pressurized gas supply line;

    introducing the cleaning liquid from the tank into the pressurized gas supply line; and

    introducing the cleaning liquid from the tank into the liquid supply line.

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