Device for controlling clearance at the tops of turbine rotating blades
US10539037B2 · kind B2 · utility
0Cited by
7References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2016 |
| Grant date | Jan 21, 2020 |
| Priority date | — |
| Expiry date | Sep 6, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/173
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A device for controlling clearance at the tops of turbine rotating blades. The device comprises shroud supporting rings, abradable ring sectors, elastic centering elements, and a shroud supporting ring sectors inserted radially to the supporting shroud, between the elastic elements and the abradable ring sectors, which are attached to said supporting shroud, which has a volume varying according to temperature, due to the action of fluid supply elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.