Fluid sprinkling – spraying – and diffusing – With means to vibrate or jiggle discharge – By electric transducer
Patent
1993-09-02
1996-07-30
Weldon, Kevin P.
Fluid sprinkling, spraying, and diffusing
With means to vibrate or jiggle discharge
By electric transducer
B05B 1706
Patent
active
055403840
ABSTRACT:
An ultrasonic spray coating system includes a converter which converts high frequency electrical energy into high frequency mechanical energy thereby producing vibrations. The converter has a resonant frequency. A spray head is coupled to the converter and is resonant at the resonant frequency of the converter. The spray head has an atomizing surface and a feed blade to the atomizing surface and concentrates the vibrations of the converter at the atomizing surface. A source of high frequency alternating voltage is electrically connected to the converter and produces a controlled level of electrical energy at the resonant frequency of the spray head and converter whereby the atomizing surface is vibrated ultrasonically. A fluid supply applicator is in close proximity with the feed blade to the atomizing surface and spaced therefrom. The fluid supply applicator has an output surface having orifice means therein and the output surface is in close proximity with the feed blade to the atomizing surface and spaced therefrom. The output surface of the fluid supply applicator and the atomizing surface are at right angles to each other, whereby fluid supplied by the applicator to the feed blade flows by surface wave action to the atomizing surface where the fluid is atomized by the ultrasonic vibrations of the atomizing surface and thereby changed to a spray.
REFERENCES:
patent: 3198170 (1965-08-01), Onishi
patent: 4085893 (1978-04-01), Durley
patent: 4153021 (1979-05-01), Berger et al.
patent: 4520786 (1985-06-01), Thatcher et al.
patent: 5387444 (1995-02-01), Bachmann
patent: 5409163 (1995-04-01), Erickson et al.
Erickson John J.
Marshall Joseph R.
Ultrasonic Systems Inc.
Weldon Kevin P.
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