Nozzle seal

Details Nozzle seal Nozzle seal

1975-05-22

1977-12-13

Nelson, Peter A.

176 61, 176 65, G21C 1522

Patent

active

040627268

ABSTRACT:
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 provided with sealing rings operatively disposed between the outlet nozzles and the hoop. The sealing rings connected by flexible members are biased against the pressure vessel and the hoop, establishing a leak-proof condition between the inlet and outlet coolants in the region about the outlet nozzle. Furthermore, the flexible responsiveness of the seal assures that the seal will not structurally couple the hoop to the pressure vessel.

REFERENCES:
patent: 2863817 (1958-12-01), Morris
patent: 2975115 (1961-03-01), Wigner et al.
patent: 3269735 (1966-08-01), Whittaker
patent: 3583429 (1971-06-01), Desmarchais
patent: 3633784 (1972-01-01), Taft
patent: 3812008 (1974-05-01), Fryer
patent: 3844883 (1974-10-01), Bevilacqua et al.

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