Nuclear reactor locking piston drive system and valve assembly

Details Nuclear reactor locking piston drive system and valve assembly Nuclear reactor locking piston drive system and valve assembly

1994-02-03

1995-06-27

Chelliah, Meena

Induced nuclear reactions: processes, systems, and elements

With control of reactor

By coolant flow

376234, 376235, G21C 732

Patent

active

054286514

ABSTRACT:
A locking piston drive system and valve assembly is provided for shutdown of a nuclear reactor. "Chatter" in a check valve assembly which occurs during charging and/or re-charging of control fluid within a control line is eliminated by providing a valve head and a resisting portion defined on the valve head to resist movement of the valve head when it is urged from sealing engagement on its seat during the charging or re-charging procedure.

REFERENCES:
patent: 3627632 (1971-12-01), Acher
patent: 3722545 (1973-03-01), Furlani
patent: 3844882 (1974-10-01), Bevilacqua et al.
patent: 3893469 (1975-07-01), Baker
patent: 4037818 (1977-07-01), Soderberg et al.
patent: 4090917 (1978-05-01), Jabsen
patent: 4195655 (1980-04-01), Augsburger et al.
patent: 4233926 (1980-11-01), Rogers et al.
patent: 4978494 (1990-12-01), Rinker

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