Fluid sprinkling – spraying – and diffusing – With system fluid relief or return to supply – Return from liquid pump outlet to supply holder
Patent
1978-05-09
1983-07-26
Love, John J.
Fluid sprinkling, spraying, and diffusing
With system fluid relief or return to supply
Return from liquid pump outlet to supply holder
239142, 366154, B05B 900
Patent
active
043949665
ABSTRACT:
A spraying apparatus, which sprays herbicides, fungicides and insecticides mixed in water or liquid fertilizer, includes a fluid storage tank, a pump and one or more spray heads. An agitator, which is mounted in the fluid storage tank on the end of a bypass return pipe extending between the pump and the fluid storage tank, mixes the fluid in the fluid storage tank. The agitator includes a conical plate or cap overlaying the opening in the bypass return pipe. Spiral shaped fins or ribs are mounted on the concave side of the conical plate for directing the fluid from the bypass return pipe in a spiral rotating fashion to thereby mix the fluid in the fluid storage tank by imparting a gentle rolling action to the fluid. A nozzle between the bypass return pipe and the conical plate provides a fixed gap to control the fluid momentum in the fluid storage tank. The spraying apparatus also includes an anti-vortex device mounted on a fluid outlet pipe. This anti-vortex device, which prevents the formation of a gyrating vortex by forcing the fluid in the fluid storage tank to make a 90 degree turn as it is discharged, includes a cap which overlays the opening in the fluid outlet pipe at a fixed distance. The anti-vortex device prevents pump cavitation so that the pump operates more efficiently.
REFERENCES:
patent: 2224741 (1940-12-01), Metrick et al.
patent: 2692798 (1954-10-01), Hicks
patent: 2732071 (1956-01-01), Crow
patent: 2946345 (1960-07-01), Weltmer
patent: 3247969 (1966-04-01), Miller
patent: 3276698 (1966-10-01), Wood
patent: 3361357 (1968-01-01), Johnston
patent: 3636976 (1972-01-01), Hansel
patent: 3782416 (1974-01-01), Levin
patent: 4044079 (1977-08-01), Tveit
Smith, Jr. Martin T.
Snyder Larry L.
Love John J.
Snyder Industries, Inc.
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