Lightweight platform blade
US5271718A · kind A · utility
10Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1992 |
| Grant date | Dec 21, 1993 |
| Priority date | — |
| Expiry date | Aug 11, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A rotor blade for a gas turbine engine includes an airfoil, platform and dovetail. The platform has top and bottom surfaces, with a plurality of pockets disposed in the bottom surface for reducing weight of the platform, with the pockets defining a plurality of continuous beams extending along the platform which provide structural stiffness to the platform to avoid resonance vibration thereof during operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.