Sprinkler systems

Details Sprinkler systems Sprinkler systems

1976-04-01

1977-05-31

Cherry, Johnny D.

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Embedded or buried sprinkler

239240, B05B 1510, B05B 304

Patent

active

040264718

ABSTRACT:
Improvements in sprinkler systems having fluid under pressure flowing therethrough and a sprinkler head with a pop-up nozzle actuated by fluid pressure. An impeller is actuated by the fluid flow to rotate the nozzle and thus rotate the spray of fluid threfrom. A transmission is disposed between the impeller and the nozzle for transmitting rotation of the impeller to the nozzle. Means are provided for regulating the rate of rotation of the impeller, and then the nozzle, under varying volume flow of fluid being sprayed thereout. This may be accomplished by a substantially constant velocity of incoming fluid impinging on impeller blades. This velocity may be maintained substantially constant by a variable resistance valve in association with a stationary stator having blades thereon which valve moves with respect to the stator to provide a guided substantially constant velocity of jets of fluid on the impeller blades to rotate the same which in turn rotates the nozzle at a substantially constant rate of rotation.

REFERENCES:
patent: 1742898 (1930-01-01), Buelna
patent: 3117724 (1964-01-01), Ray
patent: 3266730 (1966-08-01), Martini
patent: 3383047 (1968-05-01), Hauser
patent: 3854664 (1974-12-01), Hunter
patent: 3948285 (1976-04-01), Flynn

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