Multiple staged compressor with last stage airfoil cooling
US8475112B1 · kind B1 · utility
17Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2012 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Dec 2, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A high compression ratio compressor having multiple stages of airfoils to produce the high pressure rations, where the last stage airfoils are cooled by drawing heat away from the airfoils using a heat pipe, and then passing cooling air through a heat exchanger associated with the heat pipe to draw heat away from the heat pipe. The cooling air used for cooling the airfoils is bled off from an earlier stage than the last stage and then discharged into a stage upstream from the bleed off location.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.