Turbine ring incorporating elements of a ceramic composition divided into sectors
US4759687A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1987 |
| Grant date | Jul 26, 1988 |
| Priority date | — |
| Expiry date | Apr 21, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2240/57
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine ring comprises an annular support in two parts and a ring of ceramic sectors for sealing purposes. The two parts of the support are interconnected by an axial groove and a sliding male part. Each part comprises an axial annular groove in which is engaged a respective axial edge portion of each sector. The cooperating internal radial faces respectively of the edge portion and of the groove are circumferential, while the radially outer radial face of each sector comprises at least one flat zone. The corresponding face of each groove may be polygonal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.