Partial throat diffuser
US5064344A · kind A · utility
6Cited by
8References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1989 |
| Grant date | Nov 12, 1991 |
| Priority date | — |
| Expiry date | Nov 1, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S415/914
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A centrifugal fluid handling apparatus such as, for example, a centrifugal fuel pump for, for example, an aircraft engine, which includes a impeller rotatably mounted in a housing, with an annular diffuser ring being disposed about a periphery of the impeller. The annular diffuser ring includes at least one passage for discharging a fluid from the impeller, and a passive control is provided in a diffuser throat of the at least one passage at an entrance area thereof for providing a stabilized fluid discharge pressure through the at least one passage throughout an entire flow range of the fuel pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.