Fluid sprinkling – spraying – and diffusing – Terminal outlet formed between parts mounted for relative... – Axially movable outlet part
Patent
1999-08-16
2000-11-14
Kashinikow, Andres
Fluid sprinkling, spraying, and diffusing
Terminal outlet formed between parts mounted for relative...
Axially movable outlet part
239514, 239600, 239DIG1, B05B 132
Patent
active
061457582
ABSTRACT:
A variable arc spray nozzle is provided for delivering irrigation water to a surrounding terrain area in a spray pattern of variably adjustable arcuate width. The spray nozzle is adapted for mounting onto the upper end of a water supply riser, and includes a rotatable adjustment collar which cooperates with an upper deflector to define a discharge orifice of variably selected arcuate width. A stabilizer vane on the adjustment collar protrudes generally upstream at the adjustable side edge of the discharge orifice to tailor the associated side edge of the resultant spray pattern for improved water distribution and range. The deflector additionally includes a substantially horizontal step formed at the upstream side of the discharge orifice to produce a localized pressure loss resulting in improved water distribution across the variable width of the spray pattern. This horizontal step leads to a radially outwardly inclined deflector surface which is interrupted by a substantially vertical step at the downstream side of the discharge orifice for increasing the trajectory and range of throw for the discharged water stream.
REFERENCES:
patent: 3272436 (1966-09-01), Hunter
patent: 4579285 (1986-04-01), Hunter
patent: 4834292 (1989-05-01), Dyck
patent: 5322223 (1994-06-01), Hadar
patent: 5556036 (1996-09-01), Chase
patent: 6019295 (2000-02-01), McKenzie
Ogi Jeffrey M.
Payne Matthew
Phan Steven
Anthony Manufacturing Corp.
Kashinikow Andres
Nguyen Dinh Q.
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