Hitachi, Ltd.

Hideo Ogasawara

Kenji Tominaga

Tetsuo Horiuchi

Shozo Yamanari

Toshihiko Sugisaki

Fuel assemblies forming the core of a nuclear reactor each include an open-ended tubular channel, upper and lower tie plates formed therein with a multitude of through holes and arranged in the vicinity of upper and lower ends of the tubular channel respectively, and elongated fuel elements located parallel to one another and extending between the upper and lower tie plates. The channel of each fuel assembly is formed in its walls with openings which are disposed below the upper tie plate and above the upper end edge of the fuel of each fuel element.

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Hitachi, Japan

Hideo Ogasawara