Internal control rod drive for a BWR

Details Internal control rod drive for a BWR Internal control rod drive for a BWR

1993-06-14

1994-11-01

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 716

Patent

active

053612795

ABSTRACT:
A hydraulically based control rod drive system that is contained within the pressure vessel is disclosed for positioning the control rods relative to fuel rods positioned in a nuclear core of a boiling water reactor. Hydraulic jacks mounted on an open grid located entirely within the pressure vessel at a position above the nuclear core are used to position the control rods. Suitable jack and grid structures, as well as a hydraulic control arrangements are described.

REFERENCES:
patent: 4030972 (1977-06-01), Groves
patent: 5120489 (1992-06-01), Dillmann

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