Centrifugal pump impeller

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 29/24 (2006.01) F04D 29/66 (2006.01)

Patent

CA 2729815

An impeller includes an impeller body in which an internal flow path and a recessed section are formed; a lid covering an opening of the recessed section; and a balance weight arranged between the impeller body and the lid. The lid is attached and fixed to the impeller body through an engagement section. Holding sections for the balance weight are formed in a back-side surface of the lid. When attaching and fixing the lid to the impeller body, the balance weight is sandwiched between the holding section of the lid and the impeller body to be fixed.

L'invention concerne une roue à aubes comportant un corps de roue à aubes doté dun passage intérieur découlement et de sections en retrait, un couvercle servant à recouvrir les ouvertures des sections en retrait, et une masselotte déquilibrage disposée entre le corps de roue à aubes et le couvercle. Le couvercle est rattaché et fixé au corps de roue à aubes avec une pièce de coopération interposée entre ceux-ci. Les sections dappui sur la masselotte déquilibrage sont formées sur la surface arrière du couvercle.  La masselotte déquilibrage est maintenue et immobilisée par les sections dappui du couvercle et du corps de roue à aubes lorsque le couvercle est rattaché et fixé au corps de roue à aubes.

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