Low noise level, pressure fluid spouting device

Details Low noise level, pressure fluid spouting device Low noise level, pressure fluid spouting device

1978-05-01

1980-01-22

Valenza, Joseph E.

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

At or beyond outlet

181247, 181259, 239552, 239589, 239601, B05B 704, F01N 100

Patent

active

041846389

ABSTRACT:
A low noise level, pressure fluid spouting device includes an inlet for introducing a pressure fluid therein at one end thereof; a nozzle connected to the inlet for jetting or emitting the pressure fluid therefrom, the nozzle having an annular inner wall of a predetermined diameter as a nozzle port thereof with an enlarged portion at the other end thereof for spouting the pressure fluid from the nozzle. The enlarged portion has a predetermined length (1.sub.o) from the entrance to the exit or open end thereof, and comprises an annular inner wall of a predetermined diameter (d.sub.2) larger than that of the nozzle means as an enlarged passage communicating with the nozzle port; and an outer wall which is tapered or gradually decreased in width towards the exit or open end portion of the enlarged portion with a predetermined angle of inclination (.theta.). The wall of the enlarged portion has a predetermined thickness (t) at the exit or open end portion of the enlarged portion. The dimensional relationship of the enlarged portion is characterized by the following optimum numerical value:

REFERENCES:
patent: 2175160 (1939-10-01), Zobel et al.
patent: 3982605 (1976-09-01), Sneckenberger

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