Hollow fan blade with structural ribs
US10443613B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 31, 2017 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Dec 5, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/60
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a fan blade for a gas turbine engine, including: a first member and a second member; the first member having a first surface and the second member having a second surface, each of the first surface and the second surface extending from a leading edge to a trailing edge of the fan blade and from a tip edge to or proximate to a root of the fan blade; the first surface being externally facing and being one of concave or convex between the leading edge and the trailing edge and the second surface being externally facing and being another of convex or concave between the leading edge and the trailing edge; the second member including structural ribs extending to the first member, and the first member being bonded to the second member at free edges of the structural ribs and about a perimeter of the fan blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.