Diffuser for a centrifugal compressor

Details Diffuser for a centrifugal compressor Diffuser for a centrifugal compressor

1989-02-01

1990-11-13

Kwon, John T.

Rotary kinetic fluid motors or pumps

Selectively adjustable vane or working fluid control means

Upstream of runner

415 48, 415150, F04D 2944

Patent

active

049697986

ABSTRACT:
In a diffuser for a centrifugal compressor of the type which includes an impeller rotatably provide on a downstream side of the suction casing and a plurality of radial stator blades arranged tangentially with respect to the impeller, auxiliary blades are provided between the impeller and the stator blades, with the auxiliary blades having a chord length shorter than that of the stator blades and being slidable in the axial direction of the impeller. Further, the auxiliary blades are connected to devices designed to move them in the axial direction.

REFERENCES:
patent: 2566550 (1951-09-01), Birmann
patent: 2861774 (1958-11-01), Buchi
patent: 3362624 (1968-01-01), Endress
patent: 3362625 (1968-01-01), Endress
patent: 3989016 (1976-11-01), Morgan
patent: 4219305 (1980-08-01), Mount et al.
patent: 4257733 (1981-03-01), Bandukwalla et al.
patent: 4484857 (1984-11-01), Patin
patent: 4802817 (1989-02-01), Tyler
patent: 4844690 (1989-07-01), DeLaurier et al.
patent: 4877370 (1989-10-01), Nakagawa et al.

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