Thin wall bushing for robust electrical bonding to fiber-reinforced structures
US9108363B2 · kind B2 · utility
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6References
20Claims
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Key dates
| Filing date | Oct 6, 2011 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | May 18, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for directing electrical current to prevent sparking from the interaction between a composite structure and lightning or static electrical charge, the method including the steps of forming a hole in a composite structure; and positioning a bushing into the hole to create an interference fit between the bushing and the composite structure, wherein the bushing is formed of a material that has a coefficient of thermal expansion close to the coefficient of thermal expansion of the composite structure and the bushing provides an electrical path between a fastener disposed in the bushing and the composite structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.