F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F04D—NON-POSITIVE-DISPLACEMENT PUMPS
F04D29/00—Details, component parts, or accessories
F04D29/08—Sealings
F04D29/10—Shaft sealings
F04D29/106—Shaft sealings especially adapted for liquid pumps
F04D29/108—Shaft sealings especially adapted for liquid pumps the sealing fluid being other than the working liquid or being the working liquid treated
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
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General Engineering & Computer Science
(AREA)
Structures Of Non-Positive Displacement Pumps
(AREA)
Procede et mecanisme pour controler la pression aux parties assurant l'etancheite d'un arbre d'un dispositif et pompe de transport de fluide l'utilisant