Centrifugal compressor open impeller
AssigneeCarrier Corporation
InventorsVishnu M. Sishtla, William T. Cousins
Life of this patent
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Abstract
A centrifugal compressor impeller (60; 160) has a hub (62; 162) having a gaspath surface (64; 164) extending from a leading end to a trailing end. A plurality of blades (70A, 70B; 170) extend from the hub gaspath surface and each have: a leading edge (72A, 72B; 172); a trailing edge (74A, 74B; 174); a first face (80A, 80B; 180); a second face (82A, 82B; 182); and a tip (78A, 78B; 178). A plurality of flow splitter segments (120, 122; 320, 322) extend between associated twos of the blades and each spaced from both the hub gaspath surface and the tips of the associated two blades.
Claims19
A centrifugal compressor impeller (60;
- 160) comprising:
- a hub (62;
- 162) having a gaspath surface (64;
- 164) extending from a leading end to a trailing end;
- a plurality of blades (70A, 70B;
- 170) extending from the hub gaspath surface and each having:
- a leading edge (72A, 72B;
- 172);
- a trailing edge (74A, 74B;
- 174);
- a first face (80A, 80B;
- 180);
- a second face (82A, 82B;
- 182);
- and
- a tip (78A, 78B;
- 178);
- and
- a plurality of flow splitter segments (120, 122;
- 320, 322) extending between associated twos of the blades and each spaced from both the hub gaspath surface and the tips of the associated two blades, wherein:
- the plurality of flow splitter segments comprises a plurality of first flow splitter segments forming a first circumferential ring (120;
- 320);
- and
- the plurality of flow splitter segments comprises a plurality of second flow splitter segments forming a second circumferential ring (122;
- 322).
A centrifugal compressor impeller (60;
- 160) comprising:
- a hub (62;
- 162) having a gaspath surface (64;
- 164) extending from a leading end to a trailing end;
- a plurality of blades (70A, 70B;
- 170) extending from the hub gaspath surface and each having:
- a leading edge (72A, 72B;
- 172);
- a trailing edge (74A, 74B;
- 174);
- a first face (80A, 80B;
- 180);
- a second face (82A, 82B;
- 182);
- and
- a tip (78A, 78B;
- 178);
- and
- a plurality of flow splitter segments (120, 122;
- 320, 322) comprising pairs of a first flow splitter segment (120;
- 320) and second flow splitter segment (122;
- 320), each pair extending between associated twos of the blades and each spaced from both the hub gaspath surface and the tips of the associated two blades, wherein:
- the plurality of flow splitter segments (120, 122;
- 320, 322) is entirely within an upstream third or a downstream third of a flowpath length from the leading edges to the trailing edges.
Dependencies are inferred from the claim text.