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U.S. Department of Energy
Office of Scientific and Technical Information

Operating devices for control rods in a nuclear reactor

Patent ·
OSTI ID:6027261

A device for providing translatory movement of the control rods inside the closed vessel of a nuclear reactor. The rotor of the drive motor for a screw/nut assembly has fixed to its two pivoting arms formed in the poles of the rotor, and these serve as latching members which keep the screw in its raised position. A tubular casing locks these arms in the opened position while the screw is being raised after the control rod has been allowed to fall into the core of the reactor.

Assignee:
Framatome (France)
Patent Number(s):
US 4472348
OSTI ID:
6027261
Country of Publication:
United States
Language:
English