Heavy duty impeller

Details Heavy duty impeller Heavy duty impeller

1979-05-07

1982-03-30

Smith, Leonard E.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Radially extending web or end plate

416186R, 416188, 416213R, F04D 2930

Patent

active

043222005

ABSTRACT:
A fabricated, heavy duty centrifugal pump impeller wherein the relatively heavy gauge shrouds are formed by plastic deformation such as by metal spinning, stretch forming or hydroforming. The hub is similarly formed and a plurality or regularly circumferentially spaced spiral vanes extend axially therebetween so that when the hub, blades and shroud are joined by welding or brazing, there is formed a heavy duty impeller having an axially extending inlet and a radially extending annular outlet. Following the fabrication, the impeller is finished and metallized.

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Hilton, B. Richard, Welding Design and Processes, Chapman and Hall, Ltd., London, 1950, pp. 54-55.

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