F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/46 (2006.01) F01D 11/00 (2006.01) F04D 29/16 (2006.01)
Patent
CA 2623344
A centrifugal pump seal assembly (10) for forming a seal between an impeller (12) and its casing (14), the seal assembly (10) comprising at least one sealing member (20) supported on the casing (14) and being capable of movement to a position at which it sealingly contacts the impeller (14), the movement of the sealing member (20) being actuated by fluid pressure generated at the outlet side (18) of the casing (14), and wherein the seal is maintained by the continual fluid pressure applied to the sealing member (14) when the pump is in use.
La présente invention concerne un ensemble d~étanchéité de pompe centrifuge (10) destiné à former un dispositif d~étanchéité entre une roue (12) et son carter (14), l~ensemble d~étanchéité (10) comprenant au moins un élément d~étanchéité (20) supporté sur le carter (14) et pouvant se déplacer jusqu~à une position au niveau de laquelle il entre en contact avec la roue (14) de façon étanche, le mouvement de l~élément d~étanchéité (20) étant actionné par une pression de fluide générée au niveau du côté de sortie (18) du carter (14). Le dispositif d~étanchéité est maintenu par la pression de fluide continue appliquée sur l~élément d~étanchéité (14) lorsque la pompe est en fonctionnement.
Alcoa Of Australia Limited
Pump Technology Services Pty Ltd.
Riches Mckenzie & Herbert Llp
LandOfFree
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