A New Hollow Cylindrical Ultrasonic Wave Radiator

The design and performance of a new hollow cylindrical ultrasonic wave radiator which has a large vibratory surface are presented. The vibrating system is composed of a hollow cylinder connected to an ultrasonic horn that serves simultaneously as a mechanical resonant transmitter. The hollow cylindrical vibrator has a flexural vibration in a radial direction on all its extensive surface areas. Liquid supplied to the nodal lines of the flexural vibration is atomized on the outer or inner circumferential surface of the vibrating cylinder. A stable atomization of a large amount of liquid per unit time can be achieved.