Shell for reducing overpressure in the vicinity of the upstream seal of a turbojet bearing housing
US11261754B2 · kind B2 · utility
2Cited by
8References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2018 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Jun 26, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2230/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a turbojet bearing housing including a fixed envelope traversed by a rotor, this envelope including a cylindrical end surrounding a seal ensuring the leak tightness of the cylindrical end of the envelope with the rotor, this envelope being equipped with a shell screwed onto the cylindrical end thereof, this shell including radial channels emerging opposite the seal while being arranged so that an air stream traversing the seal towards the housing mainly comes from these radial channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.