Fuel element, fuel assembly, and core

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United States of America Patent

PATENT NO 11398315
APP PUB NO 20200343006A1
SERIAL NO

16850829

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Abstract

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The fuel element of the present invention includes a cladding tube and a metal fuel contained in the cladding tube, in which a gas plenum region is formed above the metal fuel and inside the cladding tube and has a small-diameter portion in the gas plenum region. Further, the fuel assembly of the present invention includes the fuel element of the present invention and a wrapper tube surrounding the fuel element, in which a coolant material passage is formed between the fuel element and the fuel element. Further, the core of the present invention includes an inner core fuel region loaded with the fuel assembly according to the present invention, and an outer core fuel region loaded with the fuel assembly of the present invention.

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Patent Owner(s)

Patent OwnerAddress
HITACHI-GE NUCLEAR ENERGY LTDIBARAKI

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujimura, Koji Tokyo, JP 24 145
Miwa, Junichi Tokyo, JP 25 95

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