Device for uncoupling a control rod from an absorbing element fo

Details Device for uncoupling a control rod from an absorbing element fo Device for uncoupling a control rod from an absorbing element fo

1997-05-07

1998-06-02

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

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

G21C 1920

Patent

active

057612609

ABSTRACT:
The control rod (4) carrying absorbing elements (5) contains an operating rod (37) forced upwards by washers (38) and projecting by a push button end (52). When it is decided to uncouple the absorbing elements, the control rod (4) is raised, so that the teeth (62) of ratchets (56) opened out beforehand weigh on the push button (52), lower the operating rod (37) and enable coupling balls (33) to enter a groove (35) on the bottom of the rod, which detaches the pommel (18) carrying the absorbing elements (5). Application to pressurized water nuclear reactors.

REFERENCES:
patent: 3262730 (1966-07-01), Widmer
patent: 3408101 (1968-10-01), Savary

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