Methods and apparatus for supplying cooling air to turbine engines
US6584778B1 · kind B1 · utility
60Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 2000 |
| Grant date | Jul 1, 2003 |
| Priority date | — |
| Expiry date | May 11, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A cooling air cooling system is selectively operable to reduce fuel gum deposits within the cooling system during gas turbine engine operations. The cooling system includes a recirculating loop that includes at least three heat exchangers in fluid communication with the recirculating loop. A first heat exchanger cools cooling air supplied to the gas turbine engine. A second heat exchanger cools fluid exiting the first of the heat exchangers with fan discharge air prior to the fluid entering the third heat exchanger. A third heat exchanger uses combustor main fuel flow to cool the fluid circulating in the recirculating loop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.