Water distribution plate for rotating sprinklers

  • US 7,240,860 B2
  • Filed: 08/14/2003
  • Issued: 07/10/2007
  • Est. Priority Date: 10/19/2001
  • Status: Active Grant
First Claim
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1. A rotor plate adapted to be supported on a shaft in axial alignment with a nozzle in a sprinkler head, the rotor plate comprising an annular member having water distribution channels formed on a surface thereof, said channels formed and arranged to radially distribute a stream emitted from said nozzle, a first group of said channels curved along their radial lengths and establishing first water exit angles relative to a first radial center line, such that water flowing through said first group of channels will cause said plate to rotate;

  • other of said channels curved along their radial lengths and establishing second water exit angles relative to a second radial center line, less than said first water exit angles.

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