FIELD: non-displacement compressors and pumps.
SUBSTANCE: impeller (9) of the centrifugal compressor has an inlet, an outlet and disc (23) extending from the inlet to the outlet. Blades (25) extend from disc (23), each having leading edge (25L) at the inlet, trailing edge (25T) at the outlet, base (25B) extending along the disc between the leading and trailing edges and tip portion (25A), extending between the leading and trailing edges opposite the disc. And the trailing edge is S-shaped with an intermediate inflection point.
EFFECT: improved compressor efficiency is achieved.
7 cl, 9 dwg
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