Method and apparatus for reducing the power level in a nuclear r

Details Method and apparatus for reducing the power level in a nuclear r Method and apparatus for reducing the power level in a nuclear r

1977-06-03

1980-10-14

Behrend, Harvey E.

176 86R, G21C 700

Patent

active

042279674

ABSTRACT:
Apparatus for reducing the power level in a nuclear reactor during a transient increase in temperature of the primary coolant. The apparatus includes a neutron absorber and a thermally elongatable member adapted for moving the absorber into closer proximity with the core. The elongatable member is sensitive to the temperature of the primary coolant and moves the absorber by its thermal elongation. The elongatable member includes means for amplifying its thermal elongation so that the motion of the absorber member is amplified.

REFERENCES:
patent: 2904487 (1959-09-01), Dickson
patent: 3212981 (1965-10-01), Tollet et al.
patent: 3661708 (1972-05-01), Friedland
patent: 3933581 (1976-01-01), McKeehan et al.
patent: 3976540 (1976-08-01), Sowa
patent: 3992257 (1976-11-01), Van Erp
patent: 4032401 (1977-06-01), Froelich et al.
ANL-CT-76-2, Josephson et al., 8/75, pp. 2-8.
KAPL-M-LBV-7, Vandenberg, 9/55, pp. 3-5.

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