Pressurized water nuclear reactor pressure control system and me

Details Pressurized water nuclear reactor pressure control system and me Pressurized water nuclear reactor pressure control system and me

1985-08-14

1988-03-01

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

With pressurizer means

13724725, 13724741, 376203, 376247, 376283, G21C 900

Patent

active

047284862

ABSTRACT:
A pressure control system for a pressurized water nuclear reactor and method for quickly closing the valves associated with the pressurizer thereof has a temperature detection device on the loop seal of each valve and a valve responsive thereto to change water to the loop seal upon a temperature rise therein and stop the flow of water to the loop seal upon a temperature drop therein. The rapid formation of water seals in the loop seals for the valves protects the valve seats from wear and degradation and prolongs the life thereof.

REFERENCES:
patent: 266485 (1882-10-01), Lightbody
patent: 288573 (1883-11-01), Hyde
patent: 680380 (1901-08-01), Hyde
patent: 766764 (1904-08-01), Keyt
patent: 2942615 (1960-06-01), Dayton
patent: 3072550 (1963-01-01), Fortescue et al.
patent: 3114414 (1963-12-01), Judd
patent: 4584164 (1986-04-01), McMullin et al.
patent: 4588548 (1986-05-01), Magee et al.
Olivon et al., Nuclear Engineering International, May 1984, pp. 40-43.

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