Apparatus for ultrasonic nebulization

Details Apparatus for ultrasonic nebulization Apparatus for ultrasonic nebulization

1977-08-17

1978-08-29

Cherry, Johnny D.

Fluid sprinkling, spraying, and diffusing

With means to vibrate or jiggle discharge

128DIG2, 261DIG48, 239128, B05B 314, B05B 1706

Patent

active

041098633

ABSTRACT:
An improved apparatus for ultrasonic nebulization of liquid samples or suspensions in which the piezoelectric transducer is protected from chemical attack and erosion. The transducer is protected by being bonded to the inner surface of a glass plate which forms one end wall of a first hollow body provided with apparatus for circulating a fluid for cooling and stabilizing the transducer. The glass plate, which is one-half wavelength in thickness to provide an acoustically coupled outer nebulizing surface, seals an opening in a second hollow body which encloses an aerosol mixing chamber. The second body includes apparatus for delivering the sample solution to the nebulizing surface, a gas inlet for providing a flow of carrier gas for transporting the aerosol of the nebulized sample and an aerosol outlet.

REFERENCES:
patent: 3291122 (1966-12-01), Engstrom et al.
patent: 3392916 (1968-07-01), Engstrom et al.
patent: 3433461 (1969-03-01), Scarpa
patent: 3729138 (1973-04-01), Tysk
patent: 3812854 (1974-05-01), Michaels et al.

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