Water flow control device for rotary sprinkler

Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Having interior filter or guide

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Details

239DIG1, 239230, B05B 300

Patent

active

056475411

ABSTRACT:
A fluid flow regulator readily attachable between a rotary sprinkler and a fluid conduit for regulating the water flow and pressure to the sprinkler to irrigate an irregular pattern such as a square. The regulator icludes a body having a streamlined channel leading to a straight through flow variable orifice and being connectable with a respective fluid port member of the sprinkler and the conduit. A rotatable port piece mounted in the body has a straight through flow port, centered on the axis of rotation and communicating with the straight through flow orifice of the body. This port leads to a streamlined channel which exits into the sprinkler shaft. The port piece has a means for coupling rotational energy from the sprinkler. The port and orifice have an identical design such as a four point star or equilateral concaved octagon adapted for watering in a square pattern. The rotational position of the port piece in relation to the body regulates the flow of water. A retaining sleeve, mounted in the body, accomodates a washer and the port piece holding them in place and allowing them to rotate.

REFERENCES:
patent: 2780488 (1957-02-01), Kennedy
patent: 3884416 (1975-05-01), King
patent: 4180210 (1979-12-01), DeWitt
patent: 4277029 (1981-07-01), Rabitsch
patent: 4462545 (1984-07-01), Lourenco
patent: 4819875 (1989-04-01), Beal

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