Fluid drive method using ultrasonic waves

Details Fluid drive method using ultrasonic waves Fluid drive method using ultrasonic waves

1991-03-22

1992-09-29

Eldred, J. W.

Communications, electrical: acoustic wave systems and devices

Transmitter systems

With beam forming, shaping, steering, or scanning

367140, 367191, 310334, 55277, H04R 1700

Patent

active

051518830

ABSTRACT:
A method of driving a fluid by transmitting ultrasonic waves in the fluid, in which electrical signals applied to a transducer in the fluid are controlled to change the amplitude and duty ratio of tone burst waves so as to control the distribution of the ultrasonic driving force in the fluid, and the driving force itself.

REFERENCES:
patent: 4316734 (1982-02-01), Spinosa et al.
patent: 4684328 (1987-08-01), Murphy
Ultrasound in Med. & Biol., vol. 15, No. 4, "An Experimental Investigation of Streaming in Pulsed Diagnostic Ultrasound Beam" H. C. Starritt et al., pp. 363-373, 1989.

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