Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent
1979-05-21
1981-03-03
Reeves, Robert B.
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Embedded or buried sprinkler
239242, 239DIG1, B05B 316
Patent
active
042536081
ABSTRACT:
A part-circle sprinkler having a sprinkler head incorporating a nozzle continually oscillates between two positions. The sprinkler head is connected to a transmission driven by an impeller The impeller is driven by a reversible stator which can direct a plurality of channelized streams of water against either side of the blades of the impeller and thereby cause the impeller, sprinkler head and nozzle to rotate in a clockwise or a counterclockwise direction. The reversing stator is controlled by a resilient switching arm operated by adjustable fingers on the exterior of the sprinkler head, which set its limits of rotation. As each limit of rotation is reached, one finger exerts a torque on the switching arm. The torque causes the arm to twist until it exerts sufficient force on the reversing stator to overcome the force of the water on the stator vanes and thus reverse the direction of the stator. The sprinkler head then rotates in the opposite direction, which brings the other finger toward the switching arm. The flow of water through the sprinkler is axial from inlet to nozzle.
REFERENCES:
patent: 1187373 (1916-06-01), Nomiya
patent: 3107056 (1963-10-01), Hunter
patent: 3405871 (1968-10-01), Mullan
patent: 3554664 (1974-12-01), Hunter
patent: 3782638 (1974-01-01), Bumpstead
patent: 3785565 (1974-01-01), Perry et al.
patent: 3816021 (1974-06-01), Lewis
patent: 4069976 (1978-01-01), Chauvigne
Church Gene A.
Reeves Robert B.
The Toro Company
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