Seal between a turbine rotor of a gas turbine engine and associated static structure of the engine
US4375891A · kind A · utility
26Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 21, 1981 |
| Grant date | Mar 8, 1983 |
| Priority date | — |
| Expiry date | Apr 21, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D11/00
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A seal for use between the turbine rotor of a gas turbine engine and associated static structure comprises a ring of low-friction material which cooperates with the surface of the rotor to form an air bearing. The ring carries a sealing member which cooperates with a surface of the rotor to form a seal. The air bearing ensures that the sealing member is maintained at a constant spacing from the rotor, and this spacing may thus be maintained at a low value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.