Anti-leak safety device for pumps

Details Anti-leak safety device for pumps Anti-leak safety device for pumps

G - Physics

21

C

103/158, 359/38

G21C 9/00 (2006.01) F04D 29/14 (2006.01)

Patent

CA 1158785

PRECIS Dispositif de sécurité assurant l'étanchéité longi- tudinale de l'arbre d'une pompe en cas de rupture du joint dynamique séparant la chambre à haute pression de la chambre à basse pression de la pompe. Le dispositif comprend un piston cylindrique creux entourant coaxia- lement l'arbre de la pompe, et des moyens permettant de déplacer axialement ce piston de manière à comprimer entre l'arbre et le piston un joint torique de sécurité en cas de défaillance du joint dynamique. Application aux pompes primaires des réacteurs nucléaires.

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