Spider mounted centrifugal mixing impeller

Details Spider mounted centrifugal mixing impeller Spider mounted centrifugal mixing impeller

1988-09-01

1994-05-24

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Multiple axially spaced working members

Differing radii

416178, 416187, 366265, B01F 724

Patent

active

053143108

ABSTRACT:
The present invention provides a mixing impeller including a plurality of blades circumferentially mounted to a frame around the mixing impeller with adjacent blades being opened from one another. The blades are secured to the frame in a manner such that at least part of each blade extends outwardly of the frame to guide discharge of fluid passing through the impeller away from the frame and substantially eliminate any turbulence that the frame might otherwise create. In addition, the frame has a rearwardly inwardly tapering configuration with each of the blades having the same inward rearward taper as that of the frame. This combination of features substantially reduces turbulance of the outward flow of liquid from the impeller relative to conventional impeller designs.

REFERENCES:
patent: Re32324 (1987-01-01), Kedem
patent: 589946 (1897-09-01), Grunow
patent: 742522 (1903-10-01), Timayenis
patent: 949150 (1910-02-01), Kestner
patent: 1005767 (1911-10-01), Bickerstaff
patent: 1165931 (1915-12-01), Akimoff
patent: 1321378 (1919-11-01), Kohn
patent: 1568946 (1926-01-01), Generich
patent: 2161631 (1939-06-01), McFarland

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