Core disruptive accident margin seal

Details Core disruptive accident margin seal Core disruptive accident margin seal

1976-08-13

1978-09-12

Pendegrass, Verlin R.

Receptacles

Compartmented container

Compartment partition is movable or removable

49316, 176 40, 220327, G21C 1306

Patent

active

041135644

ABSTRACT:
An apparatus for sealing the annulus defined between a substantially cylindrical rotatable first riser assembly and plug combination disposed in a substantially cylindrical second riser assembly and plug combination of a nuclear reactor system. The apparatus comprises a flexible member disposed between the first and second riser components and attached to a metal member which is attached to an actuating mechanism. When the actuating mechanism is not actuated, the flexible member does not contact the riser components thus allowing the free rotation of the riser components. When desired, the actuating mechanism causes the flexible member to contact the first and second riser components in a manner to block the annulus defined between the riser components, thereby sealing the annulus between the riser components.

REFERENCES:
patent: 3599825 (1971-08-01), Jorgensen
patent: 3698724 (1972-10-01), Blachere et al.
patent: 3805992 (1974-04-01), Jorgensen
patent: 3819478 (1974-06-01), Thorel et al.
patent: 3819479 (1974-06-01), Jacquelin
patent: 3867254 (1975-02-01), Brandstetter

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