Secondary seal for gas turbines
US5172918A · kind A · utility
34Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1992 |
| Grant date | Dec 22, 1992 |
| Priority date | — |
| Expiry date | Apr 28, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/38
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A secondary seal for use in a high temperature environment, including only non-elastomeric elements, includes split high temperature carbon graphite secondary seal rings axially biased by a first set of springs and radially biased by a second set of springs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.