Fog producing apparatus

Details Fog producing apparatus Fog producing apparatus

1988-11-25

1990-03-27

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Reciprocating

261120, 261DIG48, 2391022, B01F 304

Patent

active

049118668

ABSTRACT:
A fog producing apparatus for suspending fine particles of water in air in an economical and reliable manner. Ultrasonic transducers potted in an electrically insulative and liquidproof material are placed in a container in which a predetermined water level is maintained by a float and valve device. Alternatively, the potted transducers are suspended below floats floating on the surface of the water whereby the critical water depth over the transducers is automatically maintained. In addition compressed air is conducted through the emanating fog plumes to provide a more homogeneous and dispersed fog effect. A copious amount of fog can thereby be efficiently and reliably produced to create theatrical or visual effects.

REFERENCES:
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patent: 3892235 (1975-07-01), Amerongen et al.
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patent: 4530464 (1985-07-01), Yamamoto et al.
patent: 4550325 (1985-10-01), Viola
patent: 4641053 (1987-02-01), Takeda
patent: 4746466 (1988-05-01), Takahashi
patent: 4776990 (1988-10-01), Verity

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