Low precipitation rate rotor-type sprinkler with intermittent stream diffusers
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United States of America Patent
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Jan 28, 2014
Grant Date -
Sep 20, 2012
app pub date -
Mar 18, 2011
filing date -
Mar 18, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An irrigation sprinkler includes an outer case and a riser extensible from the outer case by water pressure and normally in a retracted position. A nozzle is rotatably mounted at an upper end of the riser. A turbine is mounted in the riser for rotation by water entering a lower end of the riser. A gear train reduction is mounted in the riser. A gear driven coupling mechanism mounted in the riser couples the gear train reduction and the nozzle. A pressure regulator valve is located inside a nozzle turret of the sprinkler and includes a valve member that is pivotably mounted between the gear train reduction and the nozzle.
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