Piezo-electric vibrator pump

Details Piezo-electric vibrator pump Piezo-electric vibrator pump

1988-12-23

1990-07-03

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310317, 310332, 310340, 310345, 417410, H01L 4108

Patent

active

049394053

ABSTRACT:
A pump is comprised of a piezo-electric vibrator mounted in a casing. The piezo-electric vibrator is coated with an elastic elastomer layer, and a peripheral part of the elastomer layer is secured to the casing within the casing. Suction and discharge of fluid is performed by means of piezo-electric vibrator vibrated by applying alternative current voltages between electrodes of the piezo-electric vibrator. The vibration of the piezo-electric vibrator is performed smoothly to produce and high discharge volume and discharge pressure can be produced.

REFERENCES:
patent: 3270672 (1966-09-01), Haines et al.
patent: 3361067 (1968-01-01), Webb
patent: 4140936 (1979-02-01), Bullock
patent: 4492360 (1985-01-01), Lee et al.
patent: 4708600 (1987-11-01), Judom et al.

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