Continuous slanted cell septum

US11828229B2 · kind B2 · utility

Assignee

• ROHR, INC. · US

Inventors

• David Pierick · San Diego, US
• Richard S. Alloway · San Diego, US
• Jose S. Alonso-Miralles · Chula Vista, US
• Hwa-Wan Kwan · Chula Vista, US
• Raymond R. Listak · Chula Vista, US
• Christopher C. Koroly · Lemon Grove, US

Key dates

• Filing date: Jan 28, 2022
• Grant date: Nov 28, 2023
• Expiry date: Jan 28, 2042

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T50/60
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A panel for attenuating noise is disclosed comprising a face skin having a first inner surface, a base skin having a second inner surface, a cellular core connected to and forming a plurality of cells between the face skin and the base skin, wherein the cellular core is defined by a cell structure having a plurality of cell walls extending between the face skin and the base skin defining each of the plurality of cells and a septum disposed within each of the plurality of cells, the septum defining an upper chamber proximate the face skin and a lower chamber proximate the base skin, wherein the face skin comprises a plurality of perforations fully through the face skin and in fluid communication with the upper chamber.