Patent · US Active

Sound waves absorbing laminate composite material structure

US11745848B2 · kind B2 · utility

0Cited by
0References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 2020
Grant dateSep 5, 2023
Priority date
Expiry dateAug 1, 2041

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/40
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A sound wave absorbing laminate composite material structure for an aircraft including stacked plies of a hybrid composite material, wherein each of the hybrid composite material plies includes first polymer material tows parallel to a warp direction, second polymer material tows parallel to a weft direction, and sound absorbent material tows parallel to the warp direction, wherein the first and second polymer material tows carbon or glass fiber reinforcing polymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.