Patent
1978-11-03
1981-07-14
Cangialosi, S. A.
176 38, G21C 708
Patent
active
042784980
ABSTRACT:
Earthquake-proof mounting support for control rod drives of nuclear reactors having a generally cylindrical reactor pressure vessel formed with a convex wall at least at one end thereof and including control rods with control rod drive shafts coupled thereto and mounted so as to be movable in axial direction thereof within tubular drive housings extending pressure-tightly through the end convex wall and sealed against the outside, the tubular drive housings comprising tube member forming respective feed-through passageways for the control rod drive shafts, the tube members having respective portions thereof extending with respectively varying lengths outside and beyond the convex wall to a given horizontal plane, and a support grid formed of a plurality of grid bars articulatingly connecting the tube members at respective free ends thereof outside the convex wall, respectively, to one another.
REFERENCES:
patent: 2857056 (1958-10-01), Dilworth
patent: 3140982 (1964-07-01), Haines et al.
patent: 3212979 (1965-10-01), Silverblatt
patent: 3563855 (1971-02-01), Marko
patent: 3595748 (1971-07-01), Frisch et al.
patent: 3713971 (1971-01-01), Van Santen et al.
patent: 3766006 (1973-10-01), Frisch et al.
Kohler Georg
Schramm Konrad
Uhlmann Gert
Cangialosi S. A.
Kraftwerk Union Aktiengesellschaft
Lerner Herbert L.
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