Controlling blade tip clearances in a turbine engine
US9353641B2 · kind B2 · utility
10Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 7, 2010 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Sep 20, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine engine including a controller controlling clearance between tips of moving blades of a high-pressure turbine and an outer casing surrounding the blades, by cooling the outer casing by the impact of air taken from a high-pressure compressor stage of the engine, and by electric heating of top and bottom portions of the outer casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.