Junction device between the delivery duct of a primary pump and a duct joined to the core support of a fast neutron nuclear reactor
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United States of America Patent
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Jan 22, 1985
Grant Date -
N/A
app pub date -
May 12, 1982
filing date -
Jun 19, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A junction device between the delivery duct of a primary pump and a duct joined to the core support of a liquid metal cooled fast neutron nuclear reactor comprises a frusto-conical sleeve (6) widening out towards the inlet (2) of the duct joined to the core support, a connecting member (7) joined to the sleeve (6), a sealing device (18) interposed between the outlet end of the sleeve (6) and the inlet (2) of the duct joined to the core support, and an elastic means (6) interposed between the outlet end of the sleeve (6) and a support member joined to the core support. In its central portion the connecting member (7) carries the movable portion (14) of an articulated connection element the fixed portion (16) of which is carried by the pump. On its periphery this member (7) is connected sealingly and articulatedly to the delivery duct of the pump at the level of a spherical surface (9). The sleeve can move freely in the axial direction (5) and without giving rise to substantial stresses in the transverse directions.
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