Automatic safety rod for reactors

Details Automatic safety rod for reactors Automatic safety rod for reactors

1982-03-23

1988-09-06

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

Control component for a fission reactor

Fuse actuated devices

376230, 376242, 376203, G21C 700

Patent

active

047692081

ABSTRACT:
An automatic safety rod for a nuclear reactor containing neutron absorbing material and designed to be inserted into a reactor core after a loss-of-core flow. Actuation is based upon either a sudden decrease in core pressure drop or the pressure drop decreases below a predetermined minimum value. The automatic control rod includes a pressure regulating device whereby a controlled decrease in operating pressure due to reduced coolant flow does not cause the rod to drop into the core.

REFERENCES:
patent: 2353093 (1944-07-01), Tryon
patent: 3115453 (1963-12-01), Paget et al.
patent: 3462345 (1969-08-01), Jabsen
patent: 3557812 (1971-01-01), Stedfeld
patent: 3573166 (1971-03-01), Germer
patent: 3940310 (1976-02-01), Irion et al.
patent: 3980519 (1976-09-01), Taft
patent: 4158602 (1979-06-01), Minnick
patent: 4167443 (1979-09-01), Noyes et al.
EPRI NP-846, Aug. 1978, pp. iii, iv, v, xiii, 1-1, 1-2, 1-3, 1-4, (3-1)-(3-51).
XL-895-00453, Sep. 1980, Germer et al., pp. 2-22, (A-1)-(A-10).

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