Electromagnetic safety device of a screw/nut type

Details Electromagnetic safety device of a screw/nut type Electromagnetic safety device of a screw/nut type

1983-10-13

1986-10-21

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By movement of control element or by release of neutron...

376232, 376233, 294906, 294 8629, G21C 712

Patent

active

046184716

ABSTRACT:
A safety device to be applied to the vertical displacement of, for example, the control rods of a nuclear reactor, comprises the combination of a stator placed on the outside upper part of an impervious, nonmagnetic cylinder within the inside of which a rotor is mounted about its shaft, free in axial translation, with the shaft rotatable with the rotor but fixed in translation, and with the rotation of the shaft transferred to a hollow threaded rod which will transfer rotation to a nut slidable vertically inside the cylinder, supporting the control rods therebelow; the rotor also controlling the opening and closing of a jaw for holding and releasing the hollow threaded rod.

REFERENCES:
patent: 1635622 (1927-07-01), Henderson
patent: 2841026 (1958-07-01), Glass
patent: 3388942 (1968-06-01), Johnsson et al.
patent: 3486095 (1969-12-01), Sherwood et al.

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