Turbomachine
US5707206A · kind A · utility
68Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1996 |
| Grant date | Jan 13, 1998 |
| Priority date | — |
| Expiry date | Jul 16, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S415/914
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbomachine having an impeller rotating within a casing of the machine and groove passages are formed in a wall of the casing between an upstream portion and a downstream portion of the impeller and high pressure fluid is injected into the groove passages for increasing the stall margin without lowering the peak efficiency of the machine and prevents generation of a positive slope in a head-capacity curve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.