Sealing-steam feed
US6237543A · kind A · utility
5Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2000 |
| Grant date | May 29, 2001 |
| Priority date | — |
| Expiry date | Apr 19, 2020 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D11/06
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In some operating states, supplemental additional sealing steam must be fed to the sealing-steam system of a steam turbine. The feeding of supplemental sealing steam from the live-steam line involves considerable problems. According to the invention, therefore, the sealing-steam system is connected via a feeder line to a bleed point of the superheater of the boiler, so that the temperature of the supplemental sealing steam is well below the live-steam data and, in particular, is compatible with the material temperature in the region of the high-pressure shaft seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.