Westinghouse Electric Sweden Ab

Westinghouse Atom Ab

Anders Lundén

The present invention relates to a control rod blade for a boiling water reactor. The control rod blade comprises a plurality of channels, which are arranged to receive an absorber material, a free edge portion with a recess, which comprises outlets for said channels, and a cover element , which is arranged to be attached by means of at least one welding operation such that it seals at least a part of said recess . Furthermore, the control rod blade comprises a profile element , which, before said welding operation of the cover element is performed, is arranged to be applied against a bottom surface in the recess in a position such that the profile element covers the outlets of said channels.

Control rod and a control rod blade for a boiling water reactor

The present invention relates to a control rod blade for a boiling water reactor. The control rod blade () comprises a free edge portion with a recess () which comprises a plurality of outlets, arranged in a row, for channels (), which are arranged to receive an absorber material () and a cover element () arranged to be attached along at least a section of the edge portion. The cover element () comprises a cover portion () arranged to seal the opening of the recess () and a support portion () arranged to, in a mounted state, abut a bottom surface in the recess () and to allow the formation of at least a passage () between the outlets of the channel () in the recess ().

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Västerås, Sweden

Anders Lundén