Sealing device for a component vertically disposed within the pr

Details Sealing device for a component vertically disposed within the pr Sealing device for a component vertically disposed within the pr

1980-04-22

1982-06-22

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 2, 277 12, 277 53, 277 59, 277 72R, 277101, 277105, 220378, F16J 1506, F16J 1540, B65D 4516

Patent

active

043358837

ABSTRACT:
The device is constituted by a seal-bearing ring 21 disposed about the flange 2 of the component 5 and resting on the plate 1 of the reactor, having a first set of annular seals 26,27 ensuring sealing between the inner side surface of the seal-bearing ring 21 and the outer side surface of the flange 2 of the component 5 and a second set of annular seals 23,24 ensuring sealing between the base surface of the seal-bearing ring 21 and the plate 1 of the primary vessel. The device also includes a means 32-34 for applying a vertical force downwards on the seal bearing ring 21 and a means 16,18 of injecting an isolating gas between the flange 2 of the component 5 and the plate 1 of the primary vessel on which the component 5 rests. The device is especially useful for sealed mounting of components within vessels of fast neutron nuclear reactors.

REFERENCES:
patent: 3141685 (1964-07-01), Watts
patent: 3279644 (1966-10-01), Robertson et al.
patent: 3642289 (1972-02-01), Basham et al.
patent: 3975991 (1976-08-01), Nakajima
patent: 4019749 (1977-04-01), Dawson et al.

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