Device for evacuation of a ventilated lubricated chamber of a turbomachine
US11377978B2 · kind B2 · utility
0Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2020 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Oct 23, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/98
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A ventilated chamber (19), subject to an irruption of air at a pressure higher than that in a surrounding chamber (20) through labyrinth seals separating them and evacuation of excess air through an evacuation duct (30), comprises a motor-driven compressor (32) in the evacuation duct to facilitate suction and evacuation, even when the engine speed does not allow a large overpressure in the chamber (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.