Arrangement for the discharge of oil-venting air on a gas-turbine engine
US8826637B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2010 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Jul 9, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
In an arrangement for discharging oil-venting air (oil air) separated by a lubricating oil de-aeration system, kinetic energy of the oil-venting air (O) is increased to a static pressure which exceeds the exhaust-gas flow (A) pressure by a diffuser and the oil-venting air is then mixed with the exhaust-gas flow and discharged with the latter. The venting line (10) coming from the lubricating oil de-aeration system issues into a diffuser (13) which is integrated into the exhaust cone (9) enveloped by the exhaust-gas flow of the engine and whose oil-air outlet opening (14) is connected to the exhaust-gas flow either directly or via an attenuation chamber (18) provided in the exhaust cone. Provision is such made for discharging oil air from the engine to the atmosphere without contaminating visible engine parts and for obtaining a weight reduction due to the reduced length of the venting line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.