Patent
1978-10-19
1981-08-04
Brown, David H.
176 87, G21C 510
Patent
active
042820634
ABSTRACT:
Apparatus for core-barrel crash protection and conduction of coolant in a nuclear reactor pressure vessel having a spherical bottom, including a core support structure having a core barrel and being disposed within the pressure vessel, including coolant collecting means disposed below the core support structure and supported on the spherical bottom for equalizing coolant flow, the collecting means being in the form of a substantially hollow cylindrically walled perforated barrel having coolant passage openings formed therein, the spherical bottom having an annular bracket and a central bracket rigid thereto, the perforated barrel having a lower rim disposed on the annular bracket and a central support piece disposed on the central bracket, and means for pressing the lower rim against the annular bracket, the pressing means including a strut system connecting the central support piece to the cylindrical wall of the perforated barrel and detachable connecting means for clamping the central support piece to the central bracket.
REFERENCES:
patent: 3809608 (1974-05-01), Katz
patent: 3816245 (1974-06-01), Bevilaqua
patent: 3821079 (1974-06-01), Jabsen
patent: 3939038 (1976-02-01), Pernstich
patent: 4038136 (1977-07-01), Gallet
patent: 4096034 (1978-06-01), Anthony
Brown David H.
Kraftwerk Union Aktiengesellschaft
Lerner Herbert L.
Miles Edward F.
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