Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Vane or deflector
Patent
1996-02-13
1998-01-20
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
057095310
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 on one but not the other of flow passages between the guide vanes.
REFERENCES:
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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 HighHub/Tip Ratio Centrifugal Compressor.
Kobayashi Hiromi
Miura Haruo
Nishida Hideo
Tanaka Sadashi
Yoshikai Hiroto
Hitachi , Ltd.
Kwon John T.
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