Composite spars
US8061253B2 · kind B2 · utility
32Cited by
8References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 8, 2009 |
| Grant date | Nov 22, 2011 |
| Priority date | — |
| Expiry date | Jan 21, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T50/40
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
According to one aspect, the present invention relates to a method of manufacturing at least one non-uniform thickness composite spar component. The method comprises braiding a plurality of fibers over a non-cylindrical mandrel to form a variable thickness shaped fiber preform, flattening the shaped fiber preform and cutting the flattened shaped fiber preform to obtain the at least one non-uniform thickness composite spar component. Spars made according to various embodiments of the present invention are faster and less expensive to manufacture than conventional composite spar components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.