Nebulization control system for a piezoelectric ultrasonic nebul

Details Nebulization control system for a piezoelectric ultrasonic nebul Nebulization control system for a piezoelectric ultrasonic nebul

1979-12-11

1982-03-09

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310317, 12820016, 239102, H01L 4108

Patent

active

043191550

ABSTRACT:
A nebulization control system for an ultrasonic nebulizer comprising a variable pulse oscillating circuit, an ultrasonic vibrating circuit and an ultrasonic vibrator is described. The ultrasonic vibrator is caused to vibrate alternatingly between a high level which is sufficient to nebulize a fluid and a low level which is insufficient to nebulize the same. The ratio of duration of the high level to the low level and/or the amplitude of vibration at the high level is variable. This arrangement permits a precise control of nebulization quantity and assists in the production of a fine, uniform mist of fluid.

REFERENCES:
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patent: 3387607 (1968-06-01), Gauthier et al.
patent: 3490697 (1970-01-01), Best, Jr.
patent: 3828357 (1974-08-01), Koeblitz
patent: 3866831 (1975-02-01), Denton
patent: 4001650 (1977-01-01), Romain
patent: 4047992 (1977-09-01), Williams

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