Patent · US Active

Aircraft gun-blast diffusers, plugs for aircraft gun-blast diffusers, and methods of making such plugs

US11619463B2 · kind B2 · utility

0Cited by
8References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 2021
Grant dateApr 4, 2023
Priority date
Expiry dateSep 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.