Gas turbine engine buffer system
US11499476B2 · kind B2 · utility
1Cited by
70References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2020 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Sep 15, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine includes a buffer system that communicates a buffer supply air to a portion of the gas turbine engine. The buffer system includes a first bleed air supply having a first pressure, a second bleed air supply having a second pressure that is greater than the first pressure, and a valve that selects between the first bleed air supply and the second bleed air supply to communicate the buffer supply air to the portion of the gas turbine engine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.