Induced nuclear reactions: processes – systems – and elements – Reactor protection or damage prevention – Emergency core coolant systems
Patent
1986-06-30
1988-08-23
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Reactor protection or damage prevention
Emergency core coolant systems
165 40, 376298, 376299, G21C 1518
Patent
active
047659467
ABSTRACT:
Intrinsically safe emergency cooling device for a pressurized-water nuclear reactor, comprising an auxiliary circuit which feeds the steam generator and in which is arranged a condenser (10) receiving the steam from the generator and condensing it. The condensate is returned to the steam generator by means of gravity. The device also incorporates a passive adjustment means comprising an adjustable valve (21), a cylinder (23), the chamber of which communicates with the steam pipe (7) and contains a piston (33), and a coupling means (32) between the piston (33) and the shut-off element (30) of the valve (21). The feed rate of the steam generator and the cooling power of the condenser (10) can be regulated in this way.
REFERENCES:
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patent: 3190808 (1965-06-01), Dodd
patent: 3240675 (1966-03-01), Weber
patent: 3255084 (1966-06-01), Doroszlai
patent: 3512358 (1970-05-01), Schmidt
patent: 4050418 (1977-09-01), Watanabe
patent: 4128123 (1978-12-01), Garriss et al.
patent: 4139150 (1979-02-01), Graversen et al.
Couturier Michel
Dagard Philippe
Framatome
Kyle Deborah L.
Wendtland Richard W.
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