Turbine engine rotor including blade made of composite material and having an added root
US9790802B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 11, 2012 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Oct 12, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49337
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine rotor includes a plurality of blades of composite material comprising fiber reinforcement densified by a matrix. Each blade comprises a blade body extending between an inner end having a blade root and an outer end forming the tip of the blade. The rotor also includes outer platform elements of composite material comprising fiber reinforcement densified by a matrix, each outer platform element including an opening in which the outer end of a blade is engaged. The portion of the outer end of each blade that extends beyond the outer platform element includes a slot or a notch for receiving a locking element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.