Electromechanically operated valve

Details Electromechanically operated valve Electromechanically operated valve

1976-01-16

1977-10-11

Rosenthal, Arnold

Valves and valve actuation

Permanent or constantly energized magnet actuator

251129, 335148, 335148, F16K 3108, F16K 3110

Patent

active

040531376

ABSTRACT:
The invention contemplates a virtually hysteresis-free actuator for converting an electrical input current 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. Various embodiments of suspension and force-output pick-off and development are described.

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), Coakley
patent: 3618124 (1971-11-01), Dreisbach
patent: 3628073 (1971-12-01), Berney

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