Fluid sprinkling – spraying – and diffusing – With fixed support for or ground installed supply means – Embedded or buried sprinkler
Patent
1989-08-07
1991-01-22
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With fixed support for or ground installed supply means
Embedded or buried sprinkler
239206, 239252, 23922217, 239396, B05B 304
Patent
active
049864742
ABSTRACT:
The present invention relates to a rotary pop-up type sprinkler device which includes a stationary nozzle for issuing a stream of water which engages a rotary distributor. The device includes a first outer housing designed for in-ground installation, and a second inner housing telescopically mounted within the outer housing. Upon commencement of flow of water under pressure into the sprinkler device, the second inner housing is extended to an above ground or operative position. The second inner housing is normally spring biased to the below ground inoperative position so that, upon cessation of the supply of water under pressure, the second inner housing returns automatically to its below ground inoperative position within the first outer housing. The second inner housing is also provided with a nozzle disk including at least one discharge orifice for discharging the stream of water under pressure. The second inner housing also mounts a speed reducing assembly for slowing the rotational speed of the distributor. The speed reducing assembly includes a shaft which supports the rotary distributor at one end thereof downstream of the discharge orifice. The other end of the shaft is received within a speed reducing assembly housing located upstream of the discharge orifice. A flow path is established which isolates both the shaft and substantially all of the brake assembly housing from contact with water under pressure upstream of the discharge orifice.
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Schisler Richard L.
Sesser George L.
Grant William
Kashnikow Andres
Nelson Irrigation Corporation
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