Ultrasonic mist generator with multiple piezoelectric crystals

Details Ultrasonic mist generator with multiple piezoelectric crystals Ultrasonic mist generator with multiple piezoelectric crystals

1991-08-30

1992-10-06

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

By electric transducer

310323, B05B 108

Patent

active

051524570

ABSTRACT:
An ultrasonic piezoelectric aerosol submicron mist generator is disclosed having an interior cavity (15) containing at least two high-frequency, piezoelectric crystals (20). The piezoelectric crystals (20) are vibratible at a selected frequency to atomize a liquid (36) that has been distributed over the surface (22) of the crystals (20) via annular flow washers (40). The atomized liquid (36) forms a mist (42) thereafter received into a mixing chamber (44) wherein the mist (42) is entrained into a low pressure gas (46). The low pressure gas (46) transports the entrained mist (42) about a separator plate (50), whereby the mist (42) must change flow direction in order to exit a nozzle outlet (18) thus forcing droplets (52) larger than the desired size to separate from the low pressure gas (46) before reaching the nozzle outlet (18).

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

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