Motor-equipped control device for a valve adjusting rod

Details Motor-equipped control device for a valve adjusting rod Motor-equipped control device for a valve adjusting rod

1975-07-02

1977-05-03

Rosenthal, Arnold

Valves and valve actuation

With correlated flow path

With mounting or support

310162, F16K 3104

Patent

active

040210154

ABSTRACT:
A control device for a valve adjusting rod comprising an electric motor having a variable reluctance, the stator of which is attached to the frame of the valve and the rotor of which is connected for rotation with the adjusting rod - coaxially with respect to the latter.
The rotor and the adjusting rod are co-rotated by means of a key arrangement which provides for an angular play between the rotor and the rod equal to the angular pitch P of the denticulations of the rotor.
Repetition thereof with a nominal couple of the motor makes it possible to increase the locking or unlocking couple of the valve.

REFERENCES:
patent: 2589999 (1952-03-01), Feiertag
patent: 2992807 (1961-07-01), Karlby et al.

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