Electrically controlled valve with piezoelectric effect

Details Electrically controlled valve with piezoelectric effect Electrically controlled valve with piezoelectric effect

1985-07-08

1987-08-04

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Having means to produce digital pulses

25112906, 25112914, 239585, 2391022, F16K 3108, F02M 2708

Patent

active

046841040

ABSTRACT:
A piezoelectric effect electrically actuated valve suitable for use as actuator in an internal combustion engine carburetor, comprises a case in which a fluid passage is provided. A closure member is movable between two positions (full opening and small or zero opening). The movements of the closure member are controlled by at least one piezoelectric element. The electrically controlled valve may have monostable or bistable operation.

REFERENCES:
patent: 3884417 (1975-05-01), Sheffield et al.
patent: 3995813 (1976-12-01), Bart
patent: 4022166 (1977-05-01), Bart
patent: 4469974 (1984-09-01), Speranza
patent: 4548047 (1985-10-01), Hayashi et al.

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