Clip-on radial tip seals for steam and gas turbines
US5234318A · kind A · utility
16Cited by
14References
11Claims
0Family size
Inventor
Key dates
| Filing date | Jan 22, 1993 |
| Grant date | Aug 10, 1993 |
| Priority date | — |
| Expiry date | Jan 22, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D5/225
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A tip seal arrangement is provided for steam and gas turbines that allows the tip seals to be mounted on shrouds in such a way as to be easily replaceable while ensuring a minimum of contact between tenons and particles carried by leaking turbine fluid. The invention is practiced by multiple segments that clip to the shrouds so as to provide a full circle with a stand-up radial seal that projects outwardly from the shroud to provide a small clearance with the stationary diaphragm or casing that surrounds the rotating blades with the individual segments being relatively easy to remove and replace.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.