Flow vector control for high speed centrifugal pumps
US8998582B2 · kind B2 · utility
1Cited by
34References
1Claims
0Family size
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Key dates
| Filing date | Nov 3, 2011 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Jul 25, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04D29/669
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An impeller for a centrifugal pump includes a radially inner hub, and a plurality of blades extending straight and along a direction that is perpendicular to a rotational axis of the impeller. The blades extend from a radially outer end to a radially inner end, and define a generally frusto-conical envelope. A flow control feature is formed between the radially inner end of the blades and the hub. The flow control feature has a curved upper surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.