Rupture disc

Details Rupture disc Rupture disc

1976-03-29

1977-12-20

Pendegrass, Verlin R.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

137 68R, 176 40, 176 65, G21C 900

Patent

active

040640035

ABSTRACT:
The intermediate heat transport system for a sodium-cooled fast breeder reactor includes a device for rapidly draining the sodium therefrom should a sodium-water reaction occur within the system. This device includes a rupturable member in a drain line in the system and means for cutting a large opening therein and for positively removing the sheared-out portion from the opening cut in the rupturable member. According to the preferred embodiment of the invention the rupturable member includes a solid head seated in the end of the drain line having a rim extending peripherally therearound, the rim being clamped against the end of the drain line by a clamp ring having an interior shearing edge, the bottom of the rupturable member being convex and extending into the drain line. Means are provided to draw the rupturable member away from the drain line against the shearing edge to clear the drain line for outflow of sodium therethrough.

REFERENCES:
patent: 2449060 (1948-09-01), Daigle
patent: 2849156 (1958-08-01), Mansted
patent: 3525350 (1970-08-01), Hosek
patent: 3583479 (1971-06-01), Taylor et al.
patent: 3845879 (1974-11-01), Dernbach et al.
patent: 3878766 (1975-04-01), Jerabek et al.

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