Bearing compartment for a gas turbine engine
US4561246A · kind A · utility
39Cited by
7References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 23, 1983 |
| Grant date | Dec 31, 1985 |
| Priority date | — |
| Expiry date | Dec 23, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S165/908
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cooling system 46 for a turbofan gas turbine engine 10 is disclosed. Various construction details which increase the effectiveness of a heat exchanger 70, 76, 112 are disclosed. In one embodiment, a rotor shaft 98 is used to pressurize buffer air for a bearing compartment 40.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.