Spring packed particle bed fuel element
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United States of America Patent
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-
Mar 27, 1990
Grant Date -
N/A
app pub date -
Jun 27, 1988
filing date -
Jun 27, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A particle bed fuel element designed to accommodate expansion and contraction within the particle fuel bed. Porous inner and outer frits connected together by an end cap at a first end and radially guided by a shoulder at a second end receive fuel particles in the annulus formed therebetween. Compressive devices at each end of the frits and within the fuel bed maintain packing force to prevent looseness during contraction and allow expansion without excessive pressure being placed on the fuel particles. Pairs of beleville springs, wave springs, and pressurized thin-walled metal donuts may be used as the compressive devices.
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Cited Art Landscape
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