CENTRIFUGAL COMPRESSOR STAGE Russian patent published in 2011 - IPC F04D29/44

Abstract RU 2414629 C2

FIELD: engines and pumps.

SUBSTANCE: centrifugal compressor stage includes impeller 1 and combined diffuser 2 consisting of in parallel located vaned and vaneless diffusers 3, 4. Diffusers 3, 4 are separated from each other with thin radial partition 5. Partition 5 has asymmetric thinning at the inlet owing to the side facing vaneless diffuser 4. Partition 5 can be conical.

EFFECT: enlarging the area of stable operation of compressor stage.

3 cl, 3 dwg

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RU 2 414 629 C2

Authors

Primak Anatolij Nikonorovich

Dates

2011-03-20—Published

2009-03-31—Filed