Core disruptive accident margin seal

Details Core disruptive accident margin seal Core disruptive accident margin seal

1977-03-10

1979-01-23

Behrend, Harvey E.

Receptacles

Compartmented container

Compartment partition is movable or removable

176 38, 220232, 220239, 220240, G21C 900

Patent

active

041359739

ABSTRACT:
Apparatus for sealing the annulus defined within a substantially cylindrical rotatable riser assembly and plug combination of a nuclear reactor closure head. The apparatus comprises an inflatable sealing mechanism disposed in one portion of the riser assembly near the annulus such that upon inflation the sealing mechanism is radially actuated against the other portion of the riser assembly thereby sealing the annulus. The apparatus further comprises a connecting mechanism which places one end of the sealing mechanism in fluid communication with the reactor cover gas so that overpressurization of the reactor cover gas will increase the radial actuation of the sealing mechanism thus enhancing sealing of the annulus.

REFERENCES:
patent: 1603903 (1926-10-01), Church
patent: 2016226 (1935-10-01), Clausen
patent: 3043469 (1962-07-01), Leach
patent: 3514115 (1970-05-01), Gallo
patent: 3533530 (1970-10-01), Gallo et al.
patent: 3819479 (1974-06-01), Jacquelin
patent: 3984942 (1976-10-01), Schroth
patent: 4026763 (1977-05-01), Poindexter
patent: 4050987 (1977-09-01), Wade

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