Centrifugal compressor

Details Centrifugal compressor Centrifugal compressor

1992-10-15

1994-05-10

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

4152112, F04D 2930

Patent

active

053103092

ABSTRACT:
A centrifugal compressor has a diffuser with stator blades arranged therein for converting the kinetic energy of a fluid discharged from an impeller into a pressure energy. The stator blades have leading edges inclined in the downstream direction while extending away from a side plate toward a core plate. Auxiliary blades having a chord length shorter than that of each of the stator blades have leading edges inclined in the downstream direction while extending away from the side plate toward the core plate and are arranged at positions radially inward of the stator plates in such a manner that one of the surfaces of each of the auxiliary blades faces a stator blade. The compressor is capable of operating without suffering from surging and rotating stall even in a low flow rate region.

REFERENCES:
patent: 2157002 (1939-05-01), Moss
patent: 3644055 (1972-02-01), Davis
patent: 3781128 (1973-12-01), Bandukwalla
patent: 4349314 (1982-09-01), Erwin
patent: 4354802 (1982-10-01), Nishida et al.
patent: 5165849 (1992-11-01), Nakagawa et al.
patent: 5178516 (1993-01-01), Nakagawa et al.

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