Impeller

Details Impeller Impeller

1989-07-13

1990-06-05

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Unsymmetrical impeller or dissimilar working members

416175, 416189, F04D 2966

Patent

active

049309846

ABSTRACT:
An impeller comprises a central hub part, and a plurality of vanes extending from the central hb part, the plurality of vanes including two first neighboring vanes having a predetermined construction and at least one second vane located between the first vanes and having a construction which is different from the construction of the first vanes.

REFERENCES:
patent: 1831729 (1931-11-01), Adamcikas et al.
patent: 1868008 (1932-07-01), Gardner
patent: 1888056 (1932-11-01), Verzillo et al.
patent: 2120780 (1938-06-01), Geise
patent: 3058528 (1962-10-01), Hiersch
patent: 3842902 (1974-10-01), Poslusny
patent: 4358245 (1982-11-01), Gray
patent: 4441462 (1984-04-01), Budinski
patent: 4474534 (1984-10-01), Thode
patent: 4548548 (1985-10-01), Gray
patent: 4685513 (1987-08-01), Longhouse et al.
patent: 4729714 (1988-03-01), Wrobel

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