Centrifugal compressor and vaned diffuser

Details Centrifugal compressor and vaned diffuser Centrifugal compressor and vaned diffuser

1994-04-25

1996-05-14

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

4152084, F04D 2946

Patent

active

055162630

ABSTRACT:
A centrifugal compressor comprises a centrifugal impeller and a vaned diffuser. The diffuser includes a pair of diffuser plates and a plurality of guide vanes arranged between the pair of diffuser plates in a circular cascade manner. The guide vanes are equal in leading-edge radius to each other, but are different in length from each other. At least one short guide vane is arranged between the adjacent long guide vanes. The total number of the guide vanes is more than the number of blades of the impeller. A throat is formed in only a part of flow passages between the guide vanes.

REFERENCES:
patent: 1771711 (1930-07-01), Hahn
patent: 3424372 (1969-01-01), Blattner et al.
patent: 3861826 (1975-01-01), Dean, Jr,
patent: 4824325 (1989-04-01), Bandukwalla
patent: 4850795 (1989-07-01), Bandukwalla
patent: 4877370 (1989-10-01), Nakagawa et al.
patent: 5316441 (1994-05-01), Osborne
Journal of Basic Engineering, Sep. 1970, pp. 419 and 422, Evaluation of a High Hub/Tip Ratio Centrifugal Compressor.

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