Impeller for centrifugal pumps and the like

Details Impeller for centrifugal pumps and the like Impeller for centrifugal pumps and the like

F - Mech Eng,Light,Heat,Weapons

04

D

103/121

F04D 29/38 (2006.01) F04D 29/22 (2006.01)

Patent

CA 1321103

A B S T R A C T An impeller for use in centrifugal pumps or other fluid flow machines is assembled of several sheet metal parts including a disc-shaped back shroud with a hub which is affixed to the output shaft of a motor and with a set of vanes at its front side, an annular suction mouth which defines the inlet of the impeller and has a maximum-diameter end welded to the vanes, and a front coverplate which overlies the vanes and the maximum-diameter end of the suction mouth and is welded only to the vanes radially inwardly of the outlets of fluid flow passages between the vanes. - 1 -

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