Sealing of a shaft in a centrifugal pump and a method for...

Details Sealing of a shaft in a centrifugal pump and a method for... Sealing of a shaft in a centrifugal pump and a method for...

F - Mech Eng,Light,Heat,Weapons

04

D

227/11, 103/120

F04D 29/08 (2006.01) F04D 29/10 (2006.01) F16J 15/00 (2006.01) F16J 15/40 (2006.01)

Patent

CA 1215268

ABSTRACT OF THE DISCLOSURE A sealing of a centrifugal pump shaft is disclosed. When the pump is at rest, the sealing is effected mechanically between surfaces with the aid of loading means, a sealing surface and a packing, and when the pump is in operation, the sealing is effected by means of a hydrodynamically effected fluid ring of the fluid being pumped, formed by means of auxiliary blades which are separate in relation to the impeller.

430839

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