Fuel rod for a nuclear reactor fuel assembly
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United States of America Patent
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-
Jul 31, 1990
Grant Date -
N/A
app pub date -
Sep 13, 1988
filing date -
Sep 15, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fuel rod for a nuclear reactor fuel assembly includes a metal cladding tube having two closed ends. A column of nuclear fuel pellets is disposed in the cladding tube. A compression spring has helical coils and is coaxial with the column of pellets within one of the ends of the cladding tube. A shim has two sides and is disposed between the column of pellets and the helical spring. A pair of leaf springs on one of the sides of the shim is locked to and biased against the coils of the helical spring.
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