Control rod canopy seal positioning and welding system

Details Control rod canopy seal positioning and welding system Control rod canopy seal positioning and welding system

1991-04-16

1993-09-28

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

376203, 901 42, G21C 1932

Patent

active

052492095

ABSTRACT:
A remotely controlled robotic welding arm is provided that is designed to service the omega seal site between the control rod drive mechanism and adapter tube of a nuclear reactor stalk head and is specifically concerned with welding the canopy seal to contain radioactive steam released in the event of an omega seal failure.

REFERENCES:
patent: 4624042 (1986-11-01), Green
patent: 4759674 (1988-07-01), Schroder et al.
patent: 4762455 (1988-08-01), Coughlan et al.

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