Steam turbine bell seals
US5443589A · kind A · utility
3Cited by
16References
4Claims
0Family size
Inventor
Key dates
| Filing date | Dec 30, 1993 |
| Grant date | Aug 22, 1995 |
| Priority date | — |
| Expiry date | Dec 30, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/931
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An improved bell seal arrangement for steam turbines is provided that allows the bell to expand thermally without damage to the opposing seal surface of the inner shell by the addition of components that allow yielding of the seal surface without causing permanent distortion or surface damage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.