Permanent seal ring for a nuclear reactor cavity

Details Permanent seal ring for a nuclear reactor cavity Permanent seal ring for a nuclear reactor cavity

1987-01-27

1988-05-31

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Seal arrangements

Between pressure vessel cover and vessel or portion thereof

220378, G21C 1300

Patent

active

047479930

ABSTRACT:
An annular ring seal for establishing a permanent seal across an annular thermal expansion gap defined between a peripheral wall of a nuclear reactor vessel and a containment wall, which containment wall is spaced apart and surrounds the peripheral wall of the reactor vessel, which collectively define a nuclear reactor containment arrangement. The annular ring seal comprises an annular ring plate having an outer peripheral surface affixed to the containment wall and an inner peripheral surface proximate the reactor vessel; and a flexure member having an annular base plate, which sealingly engages and is affixed to the annular ring plate near the inner peripheral surface thereof, and having a leg which is joined to and extends upwardly from the annular base plate and which is affixed to the peripheral wall of the reaction vessel to thereby seal the annular thermal expansion gap.

REFERENCES:
patent: 3633784 (1972-01-01), Taft
patent: 3812008 (1974-05-01), Fryer
patent: 4070221 (1978-01-01), Anthony
patent: 4170517 (1979-10-01), Meuschke et al.
patent: 4214760 (1980-07-01), Godfrey

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