Flow-stabilizing volute pump and liner

Details Flow-stabilizing volute pump and liner Flow-stabilizing volute pump and liner

F - Mech Eng,Light,Heat,Weapons

04

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103/119

F04D 7/04 (2006.01) F04D 29/42 (2006.01)

Patent

CA 1239832

ABSTRACT Uniquely contoured interior surfaces have been found to stabilize the flow patterns through centrifugal pumps of the vo- lute type, especially pumps having wide impellers and wide vo- lutes for pumping slurries. The contoured interior surfaces may be provided in the pump casing, but are preferably defined by a volute liner. The interior surfaces comprise a volute region and a discharge nozzle region which both are at least in part con- toured interior surfaces and which cooperate to provide a flow- ingly contoured interior surface of changing axial cross-section.

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