Fabricated crown plate for Francis-type hydraulic turbine runner
US4012170A · kind A · utility
4Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 1975 |
| Grant date | Mar 15, 1977 |
| Priority date | — |
| Expiry date | Aug 18, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/20
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A fabricated crown for a Francis-type hydraulic turbine runner. The crown is fabricated from an integrally formed inner circular portion and a pair of outer semi-circular portions welded thereto. The inner circular portion provides a rigid section of high integrity to which the runner shaft is connected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.