Control rod drive shaft latch

Details Control rod drive shaft latch Control rod drive shaft latch

1971-10-05

1976-03-02

Behrend, Harvey E.

92 24, G21c 700

Patent

active

039416534

ABSTRACT:
A latch mechanism is operated by differential pressure on a piston to engage the drive shaft for a control rod in a nuclear reactor, thereby preventing the control rod from being ejected from the reactor in case of failure of the control rod drive mechanism housing which is subjected to the internal pressure in the reactor vessel.

REFERENCES:
patent: 3020887 (1962-02-01), Hobson et al.
patent: 3020888 (1962-02-01), Braun
patent: 3050943 (1962-08-01), Thorel et al.
patent: 3162796 (1964-12-01), Schreiber et al.
patent: 3251278 (1966-05-01), Royster
patent: 3347748 (1967-10-01), Olsson

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