Device for protecting a container containing a pressurized fluid

Details Device for protecting a container containing a pressurized fluid Device for protecting a container containing a pressurized fluid

1982-11-30

1986-11-04

Kyle, Deborah L.

Fluid handling

Systems

Flow path with serial valves and/or closures

137488, 137492, 376283, E03B 6572

Patent

active

046205667

ABSTRACT:
The invention relates to a device for protecting a container containing a pressurized fluid.
The device comprises a protection valve and an isolating valve, connected in series and whose opening is controlled by ancillary means, which are sensitive to two pressure thresholds in the container for successively controlling the opening of the isolating valve and then that of the protection valve, when the pressure rises. The isolating valve replaces the protection valve in the case where the latter becomes locked in the open position.
Application more particularly to the protection of primary circuits in a pressurized water nuclear reactor.

REFERENCES:
patent: 3100504 (1963-08-01), Kauer, Jr.
patent: 3330298 (1967-07-01), Allen
patent: 3754566 (1973-08-01), Gemigniani
patent: 4057077 (1977-11-01), Schabert et al.
patent: 4200116 (1980-04-01), Gemignani
patent: 4278108 (1981-07-01), Casacci
patent: 4291721 (1981-09-01), Gemignani
Copy of Novelty Report issued in corresponding French Appln. (priority doent).

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