Nozzle seal

Details Nozzle seal Nozzle seal

F - Mech Eng,Light,Heat,Weapons

16

J

277/60

F16J 15/48 (2006.01) G21C 13/02 (2006.01)

Patent

CA 1042935

NOZZLE SEAL A B S T R A C T In an illustrative embodiment of the invention, a nuclear reactor pressure vessel, having an internal hoop from which the heated coolant emerges from the reactor core and passes through to the reactor outlet nozzles, is pro- vided with annular sealing members operatively disposed between the outlet nozzle and the hoop and partly within a retaining annulus formed in the hoop. The sealing members are biased against the pressure vessel and the hoop and one of the sealing members is provided with a piston type pres- sure ring sealing member which effectively closes the path between the inlet and outlet coolants in the region about the outlet nozzle establishing a leak-proof condition. Furthermore, the flexible responsiveness of the seal assures that the seal will not structurally couple the hoop to the pressure vessel.

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