System for controlling driving water for control rod driving mec

Details System for controlling driving water for control rod driving mec System for controlling driving water for control rod driving mec

1984-02-16

1987-09-01

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By movement of control element or by release of neutron...

91536, G21C 716

Patent

active

046907947

ABSTRACT:
A boiling water reactor has a plurality of control rods disposed in the reactor and adapted to be driven independently by corresponding control rod driving mechanisms, each of the control rod driving mechanisms having a hydraulic piston adapted to be actuated by pressurized water supplied thereto through a hydraulic unit annexed to each control rod driving mechanism to drive the associated control rod into and out of the reactor core. The boiling water reactor has a system for controlling the driving water for the control rod driving mechanisms. The control rod driving water control system has a control rod driving water control unit which controls the direction and velocity of movement of the hydraulic pistons. The control rod driving water control unit is used commonly for a plurality of control rod driving mechanisms. The hydraulic unit annexed to each control rod driving mechanism is provided with control rod selector valves which are adapted to be opened selectively so that the control rod driving mechanisms are selectively connected to the control rod driving water control unit.

REFERENCES:
patent: 3212409 (1965-10-01), Mash
patent: 3573166 (1971-03-01), Germer
patent: 3632471 (1972-01-01), Traube et al.
patent: 3960284 (1976-06-01), Carpenter

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