Electromechanically actuated valve

Details Electromechanically actuated valve Electromechanically actuated valve

1976-10-21

1978-05-16

Rosenthal, Arnold

Valves and valve actuation

Permanent or constantly energized magnet actuator

251129, 335148, 335222, F16K 3108, F16K 3110

Patent

active

040895033

ABSTRACT:
The invention contemplates a virtually hysteresis-free electromechanically actuated, valve, wherein an electrical input current is converted into a substantially rectilineal force or displacement, using a single electrical coil and two spaced and oppositely polarized air gaps. Similarly spaced, opposed parts of the coil are compliantly mounted for and constrained to move in the respective air gaps, the constraint being such as to develop substantially a unidirectional force and/or displacement which is in the plane of the gap-shrouded parts of the coil. The actuating mechanism is described in the context of an hydraulic-valve, with incorporation of a viscous-damping feature.

REFERENCES:
patent: 1887322 (1932-11-01), Nettleton
patent: 2847619 (1958-08-01), Shafer
patent: 3004546 (1961-10-01), Robins et al.
patent: 3207872 (1965-09-01), Nauer
patent: 3208352 (1965-09-01), Lucien
patent: 3416535 (1968-12-01), Kalthoff et al.
patent: 3473547 (1969-10-01), Wakley
patent: 3618124 (1971-11-01), Dreisbach
patent: 3628073 (1971-12-01), Berney

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