Fluid flow nozzle assembly and method

Fluid sprinkling – spraying – and diffusing – Fountains or drinking tubes and straws – Ornamental

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Details

2395905, 239470, F21P 700

Patent

active

056411200

ABSTRACT:
In accordance with one embodiment of the present invention, liquid material enters circumferencially into a generally cylindrical outer walled chamber. A baffle may be provided to facilitate circumferencial flow. The tangential, circumferencial flow tends to reduce turbulence. In the outer chamber a top wall is provided and a cushion of air is located between the top wall and the top of the liquid medium to effect cushioning. After circumferencial flow, the liquid flows radially inwardly into an inner fluid chamber through a plurality of openings in an inner cylindrical wall. Within the inner chamber and spaced between the bottom wall and the top wall is a diffuser section. The diffuser section provides a large plurality of parallel fluid flow paths to dampen remaining major currents by lowering the fluid velocity and thus the Reynolds number. The upper surface is arcuate. Thus fluid flows radially upwardly and inwardly to a knife-edged type orifice which results in laminar fluid flow exiting therefrom. In a preferred embodiment, a light source is located within the inner chamber and is offset from the center line of the inner chamber. Focusing means are also provided in the inner chamber to direct the light path so as to align the light path with the orifice so that the light follows the laminar fluid flow.

REFERENCES:
patent: 530620 (1894-12-01), Maher
patent: 2737414 (1956-03-01), Wenzel
patent: 4884751 (1989-12-01), Peffit

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