Fluidic self-actuating control assembly

Details Fluidic self-actuating control assembly Fluidic self-actuating control assembly

1978-06-29

1979-02-06

Behrend, Harvey E.

176 22, 176 36R, 176DIG5, G21C 708

Patent

active

041383206

ABSTRACT:
A fluidic self-actuating control assembly for use in a reactor wherein no external control inputs are required to actuate (scram) the system. The assembly is constructed to scram upon sensing either a sudden depressurization of reactor inlet flow or a sudden increase in core neutron flux. A fluidic control system senses abnormal flow or neutron flux transients and actuates the system, whereupon assembly coolant flow reverses, forcing absorber balls into the reactor core region.

REFERENCES:
patent: 3640845 (1972-02-01), Ripley
patent: 3793141 (1974-02-01), Ball
patent: 3900365 (1975-08-01), Barclay et al.
patent: 4076583 (1978-02-01), Ash et al.

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