Fuel element for a light-water nuclear reactor
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United States of America Patent
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-
Nov 28, 1995
Grant Date -
N/A
app pub date -
Jul 16, 1993
filing date -
Sep 30, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fuel assembly for a light-water nuclear reactor includes a plurality of vertical fuel rods (12) which are arranged, in spaced relationship in the lateral direction, between a bottom tie plate (13) and a top tie plate (14). The bottom tie plate and the top tie plate are provided with through-holes (17a) for inlet and outlet of coolant for the fuel rods. Below the bottom tie plate, in the flow path of the water, a debris catcher (18) is arranged. The debris catcher includes at least one helical spring (19) which is fixed in a holder permeable to the coolant and defining at least one slot which is formed as a plane spiral (30) or several concentric annular slots (23, 27) in which slot/slots the helical spring/helical springs is/are arranged.
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