Diffuser for centrifugal compressors and the like

Details Diffuser for centrifugal compressors and the like Diffuser for centrifugal compressors and the like

1985-05-15

1986-12-02

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Vane or deflector

415219A, F04D 2930

Patent

active

046261680

ABSTRACT:
The improved diffuser includes pinching a portion of a diffuser flow passageway that has ribs therein extending partially across the diffuser passageway and that have their leading edges located away from the inlet of the diffuser passageway. The diffuser passageway is pinched from the diffuser inlet to the leading edge of the ribs to provide improved flow angle alignment and the leading edges of the ribs been moved away from the impeller to avoid buffeting and noise as the compressed gas leaves the impeller and enters the annular diffuser passageway.

REFERENCES:
patent: 2836347 (1958-05-01), Barr et al.
patent: 2925952 (1960-02-01), Garve
patent: 3644055 (1972-02-01), Davis
patent: 3658437 (1972-04-01), Soo
patent: 3781128 (1973-12-01), Bandukwalla
patent: 4354802 (1982-10-01), Nishida et al.
patent: 4378194 (1983-03-01), Bandukwalla
patent: 4395197 (1983-06-01), Yoshinaga et al.
patent: 4421457 (1983-12-01), Yoshinaga et al.

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