Ultrasonic generation of a submicron aerosol mist

Fluid sprinkling – spraying – and diffusing – With means to vibrate or jiggle discharge – By electric transducer

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310323, B05B 108

Patent

active

051451131

ABSTRACT:
An ultrasonic piezoelectric aerosol submicron mist generator is disclosed having a high-frequency, piezoelectric crystal (18) which is vibratible at a selected frequency to atomize a liquid (24) that has been evenly distributed over the crystal (18) via an annular flow control washer (28). The atomized liquid (24) forms a mist (20) thereafter received into a mixing chamber (30) wherein the mist (20) is entrained into a low pressure gas (36). The low pressure gas (36) transports the entrained mist (20) about a separator plate (32), whereby the mist (20) must change flow direction in order to exit a nozzle outlet (42) thus forcing droplets (40) larger than the desired size to separate from the low pressure gas (36) before reaching the nozzle outlet (42).

REFERENCES:
patent: 4123481 (1978-10-01), Herold et al.
patent: 4659014 (1987-04-01), Soth et al.

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