Aluminum fan blade construction with welded cover
US9221120B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2012 |
| Grant date | Dec 29, 2015 |
| Priority date | — |
| Expiry date | Aug 10, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/121
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An airfoil includes, among other possible things, a main body extending between a leading edge and a trailing edge. Channels are formed into the main body, with a plurality of ribs extending intermediate the channels. A cover skin is attached to the main body. The cover skin is welded to the main body at outer edges. An adhesive is placed between inner surfaces of the cover skin and the main body. The adhesive is deposited inwardly of the outer edges of the cover skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.