REACTORS

REACTORS

1,150,777. Cooling reactors. LICENTIA PATENT-VERWALTUNGS-G.m.b.H. 20 July, 1966 [23 July, 1965], No. 32550/66. Heading G6C. In a boiling water nuclear reactor, the core 1 is immersed in water which is pumped vertically upwards through the core. The pump impellers 6 are mounted vertically round the c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HEINZ KORNBICHLER, WALTER ULLRICH, ALFRED MAINKA, KARL-HEINZ LOHSE
Format: Patent
Sprache:eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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Zusammenfassung:1,150,777. Cooling reactors. LICENTIA PATENT-VERWALTUNGS-G.m.b.H. 20 July, 1966 [23 July, 1965], No. 32550/66. Heading G6C. In a boiling water nuclear reactor, the core 1 is immersed in water which is pumped vertically upwards through the core. The pump impellers 6 are mounted vertically round the core and draw water downwards between the pressure vessel, 4 and the core, discharging it into a space beneath the fuel from which it flows upwardly. The pump motors, 16 are mounted outside the pressure vessel and the pump shaft 8 and body penetrate through the pressure vessel base 10. The shaft bearings are cooled by water from a purifier circuit and each pump is provided with a shut-off valve which operates on failure of the pump which is thereby prevented from acting as a coolant by-pass.