Leaf seal assembly including polymer member and rotary machine containing such seal assembly
US8596973B2 · kind B2 · utility
9Cited by
65References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 7, 2009 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | May 12, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/57
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A seal assembly which, among other applications, may be used for sealing fluid leakage between low temperature multistage compressors and pumps, steam turbine rotors and turbine stator bodies. In one embodiment, a seal assembly is provided that includes a leaf seal including a plurality of staggered leaf seal members; and a polymer member disposed on a high pressure side of the leaf seal, wherein the polymer member is in compliant contact with the leaf seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.