Chemical apparatus and process disinfecting – deodorizing – preser – Physical type apparatus – Means separating or dissolving a material constituent
Patent
1982-02-18
1985-04-23
Bernstein, Hiram H.
Chemical apparatus and process disinfecting, deodorizing, preser
Physical type apparatus
Means separating or dissolving a material constituent
137268, 239310, B05B 724
Patent
active
045129550
ABSTRACT:
A new use of the apparatus for dispensing chemicals such as insecticides and fertilizers by means of a garden hose is disclosed. In earlier applications the use of a spherical feeder capsule in an "intermediate-velocity chamber" was disclosed wherein the spherical shape provided uniformity of feeding by reason of its random movement and rotation in the chamber. In the new use described, the spherical shape may provide a decidedly non-uniform rate of feeding; and there may be a lesser degree of freedom of the feeder within the chamber compared to the earlier-claimed uses. In the preferred embodiment a water supply is connected through a hose to a chamber such as the "Fluidic Lawn Feeder" produced by Acme Burgess Inc. From the chamber a second piece of hose extends to a pistol-grip nozzle of the well-known type whereby an operator may quickly turn the water on and off to the pro-set rate of spray or the like. When the water is suddenly shut off by this kind of nozzle it tends to create a "water hamer" in the chamber so that users are expressly warned against use of such nozzles with the "Lawn Feeder" as supplied by Acme Burgess Inc. A new use is shown for a spherical feeder capsule with small feed holes which tends both to damp and limit the "water hammer" as an air bubble in the capsule is compressed, on resuming flow, the trapped air expands and positively ejects an amount of the concentrated solution from the feeder capsule into the flow. Thus in steady flow, a small and relatively constant rate of feeding is established, as shown in earlier-filed application; but an operator can by every pull of the trigger on the nozzle provide a "shot" of more concentrated solution.
REFERENCES:
patent: 2543075 (1951-02-01), Swain
patent: 2826484 (1958-03-01), Buehler
patent: 3120015 (1964-02-01), MacChesney
patent: 3633538 (1972-01-01), Hoeflin
patent: 3677408 (1972-07-01), Dinizo
Bernstein Hiram H.
Larsen Jack
Wells Gilbert L.
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