Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Orifice shapes
Patent
1976-07-19
1977-10-25
Saifer, Robert W.
Fluid sprinkling, spraying, and diffusing
Rigid fluid confining distributor
Orifice shapes
239102, 239DIG16, B05B 108
Patent
active
040553060
ABSTRACT:
A liquid discharge nozzle for producing a randomly directionally unstable liquid discharge characteristic includes a body having a chamber therein. An inlet is provided to the chamber. An outlet duct is defined from an end of the chamber to the exterior of the body. The outlet duct has a straight constant diameter first portion communicating from the chamber to a flared second portion of the outlet duct. The duct first portion has a ratio of length to diameter in the range from about 4 to about 18. The diameter of the duct second portion increases proceeding away from the chamber from an initial diameter essentially equal to that of the duct first portion. While the ultimate flare angle of the duct second portion relative to the axis of the duct first portion may exceed 6.degree., if the ultimate flare angle is greater than 6.degree. then the duct first and second portions are coupled directly by a transition flare in which the ultimate flare angle is developed transitionally in at least one transition section having a flare angle in the range of about from 2.degree. to no more than 6.degree.. The chamber is defined in cooperation with the positions of the inlet and outlet duct relative to each other for substantially linear flow of liquid through the duct first portion during operation of the nozzle.
REFERENCES:
patent: 3628726 (1971-12-01), Johnson et al.
patent: 3643866 (1972-02-01), Hruby, Jr.
patent: 3684176 (1972-08-01), Hruby, Jr.
patent: 3687369 (1972-08-01), Johnstone
patent: 3892363 (1975-07-01), Hilger
patent: 3982605 (1976-09-01), Sneckenberger
Rain Jet Corporation
Saifer Robert W.
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