Pressure fed oil drain for gas turbine engine sump
US10247036B2 · kind B2 · utility
3Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2013 |
| Grant date | Apr 2, 2019 |
| Priority date | — |
| Expiry date | Aug 12, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A pressure fed oil drain for gas turbine engine (10) includes an oil sump (48) and a passage (60, 63) in selective flow communication with the oil sump (48), the passage in flow communication with a drain (62), the passage being pressurized and creating a differential between the passage and ambient atmosphere (65), the drain is disposed at an elevation beneath a passage feature (64) when the turbine engine is disposed at an extreme attitude angle, the passage (63) extending upwardly when in the extreme attitude angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.