F - Mech Eng,Light,Heat,Weapons – 04 – D
Patent
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
Fetherstonhaugh & Co.
Outokumpu Oy
LandOfFree
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