NUCLEAR REACTOR CONTROL ELEMENT DRIVE Russian patent published in 2007 - IPC G21C7/12 

Abstract RU 2308776 C2

FIELD: controlling pressurized-water reactors by moving their control elements.

SUBSTANCE: proposed control element drive that has shell, displacement unit, guide bar, and position sensor is characterized in that position sensor flange mounts bayonet-type load-bearing bushing that affords joint transport of position sensor and displacement unit during assembly and disassembly of control and protection system drive. Guide bar and displacement unit are arranged coaxially.

EFFECT: provision for eliminating spontaneous damage to drive guide rods coupled with control element during installation of reactor upper block.

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RU 2 308 776 C2

Authors

Kapralov Evgenij Ivanovich

Dates

2007-10-20Published

2005-06-30Filed