Device for coupling pipelines in nuclear reactor pressure vessel

Details Device for coupling pipelines in nuclear reactor pressure vessel Device for coupling pipelines in nuclear reactor pressure vessel

1978-01-13

1980-12-09

Engle, Samuel W.

176 60, 176 87, G21C 900

Patent

active

042382912

ABSTRACT:
For coupling pipelines in a nuclear reactor pressure vessel with a core flood line formed of a first line section extending sealingly through a housing wall of the reactor pressure vessel and secured thereto, and a second line section disposed in the interior of the pressure vessel and couplable sealingly to the first line section, the second line section extending through a cover of a core container and terminating in the core container, a device includes means for forming the second line section and the core container cover into a structural unit so that the second line section together with the core container cover is liftable out of and insertable into the pressure vessel upon opening the latter for selectively inspecting, servicing and both inspecting and servicing the same, the first and second line sections having a mutual coupling location, means defining coaxial sealing surfaces disposed at the mutual coupling location for holding the first and second line sections in mutual engagement, the coaxial sealing surfaces having a contact pressure therebetween deriving from weight per se and bracing force of the core container cover oriented in axial direction of the pressure vessel, the first and the second line sections being in mutual spring-biased engagement at the mutual coupling location thereof.

REFERENCES:
patent: 3249505 (1966-05-01), Laurent et al.
patent: 3525669 (1970-08-01), Germer
patent: 3537420 (1970-11-01), Chollet et al.
patent: 3807772 (1974-04-01), Delisle et al.
patent: 3937255 (1976-02-01), Barnet
patent: 4028176 (1977-06-01), Kraupa
patent: 4062726 (1977-12-01), Walling
patent: 4087323 (1978-05-01), Sullivan et al.
patent: 4092490 (1978-05-01), Schabert et al.
patent: 4116765 (1978-09-01), BoyMarcotte et al.
patent: 4118278 (1978-10-01), Wampole

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