Reversed-flow core for a turbofan with a fan drive gear system
US8176725B2 · kind B2 · utility
51Cited by
27References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 9, 2009 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Jul 16, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine comprises a fan drive gear system, a low spool connected to the fan drive gear system, and a high spool disposed aft of the low spool. The low spool comprises a rearward-flow low pressure compressor disposed aft of the fan drive gear system, and a forward-flow low pressure turbine disposed aft of the low pressure compressor. The high spool comprises a forward-flow high pressure turbine disposed aft of the low pressure turbine, a combustor disposed aft of the high pressure turbine, and a forward-flow high pressure compressor disposed aft of the combustor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.