Motor-driven control device for a valve rod

Details Motor-driven control device for a valve rod Motor-driven control device for a valve rod

1973-06-15

1976-03-30

Rosenthal, Arnold

Valves and valve actuation

With correlated flow path

With mounting or support

251133, 251136, F16K 3105

Patent

active

039469840

ABSTRACT:
Control device for the actuating rod of the closure member of a valve of the type having an electric motor for driving the actuating rod.
The electric motor is a variable reluctance electric motor whose stator is fixed to the frame of the valve and whose rotor is coaxial with and connected to rotate with the actuating rod.

REFERENCES:
patent: 2860266 (1958-11-01), Schrader
patent: 2956188 (1960-10-01), White
patent: 2992807 (1961-07-01), Karlby et al.
patent: 3153161 (1964-10-01), Gabriel
patent: 3166686 (1965-01-01), Mea
patent: 3561724 (1971-02-01), Trombetta

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