Aircraft gun-blast diffusers, plugs for aircraft gun-blast diffusers, and methods of making such plugs
US11619463B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2021 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | Sep 27, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41A21/32
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A plug for insertion into a blast-tube exit cavity of a gun-blast diffuser comprises a plug front surface, a plug rear surface, a plug side surface that extends between the plug front surface and the plug rear surface, a body, comprising a polyurethane foam, and a substrate, coupled to the body and comprising a conductive nonwoven fabric, impregnated with a polyurethane matrix. The plug front surface of the plug is formed by the substrate. The plug rear surface of the plug is formed by the body. The plug side surface of the plug is formed by the substrate and the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.