Reactor coolant pump safety shroud

Details Reactor coolant pump safety shroud Reactor coolant pump safety shroud

1997-12-18

1998-09-22

Ryznic, John E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

With runner shaft of specific shape or material

416204R, 416213R, 416244R, F01D 2500, F03B 1100

Patent

active

058105590

ABSTRACT:
A safety shroud of a nuclear reactor coolant pump. Capscrew heads, if broken, are prevented from separating from a nuclear reactor coolant pump having a drive shaft, an impeller secured to the drive shaft, a suction deflector secured to the impeller, and capscrews with outer heads securing the impeller and suction deflector to the drive shaft, by securing a safety shroud over the capscrew heads. The safety shroud may be secured by welding the safety shroud to the impeller or suction deflector, or by bolting the safety shroud to the distal end of the drive shaft.

REFERENCES:
patent: 3342273 (1967-09-01), Crane
patent: 5417093 (1995-05-01), Heiberg

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