Electrofluidic transducer of the nozzle/plate type and hydraulic

Details Electrofluidic transducer of the nozzle/plate type and hydraulic Electrofluidic transducer of the nozzle/plate type and hydraulic

1986-06-06

1987-11-10

Michalsky, Gerald A.

Fluid handling

Pressure modulating relays or followers

13762561, 13762562, 25112906, F15B 500, F15B 13043

Patent

active

047050594

ABSTRACT:
The transducer comprises a piezoelectric double-layer plate, the movements of which, under the effect of electrical signals, directly control the flow from one or two spray nozzles. The plate is mounted in a floating manner, without any fastening, between fixed supports of the knuckle-type which do not impede the free deformation (flexion or bending) of the plate. The invention makes it possible to increase the "signal-voltage/movement" ratio of the plate and reduce the hysteresis to obtain greater accuracy and reliability of response.

REFERENCES:
patent: 2928409 (1960-03-01), Johnson et al.
patent: 3152612 (1964-10-01), Avery
patent: 3174716 (1965-03-01), Salter
patent: 3524474 (1970-08-01), McCormick
patent: 3598020 (1971-08-01), Blok et al.
patent: 4298181 (1981-11-01), Corrado et al.
patent: 4340083 (1982-07-01), Cummins
patent: 4492360 (1985-01-01), Lee et al.
patent: 4610426 (1986-09-01), Brandner

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