Seal structures for rotary regenerative heat exchangers of gas turbine engines
US4103908A · kind A · utility
1Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1976 |
| Grant date | Aug 1, 1978 |
| Priority date | — |
| Expiry date | Aug 12, 1996 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/3496
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A hot side seal in rubbing contact with a rotary regenerator matrix of a gas turbine engine consists of an annular portion formed from a carbon block and a diametral portion, the rubbing surface of which is made from a layer of a compound of nickel oxide and calcium fluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.