Electric heating for turbomachinery clearance control
US11111809B2 · kind B2 · utility
1Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2018 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Aug 14, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A clearance control system for a gas turbine engine may comprise a rotor blade, an outer structure disposed radially outward from the rotor blade, and a heating element configured to cause the outer structure to be heated in response to electric current being supplied to the heating element, wherein a gap between the rotor blade and the outer structure is at least one of increased, decreased, and maintained in response to the outer structure being heated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.