MULTIWALL SHEET INCLUDING AN ACOUSTIC RESONATOR

Organization Name

SABIC GLOBAL TECHNOLOGIES B.V.

Inventor(s)

Raj CN Thiagarajan of Bangalore (IN)

Christianus Johannes Jacobus Maas of Rilland (NL)

Eric Gervais of Maisons Alfort (FR)

Peter Van Den Bleek of Bergen op Zoom (NL)

MULTIWALL SHEET INCLUDING AN ACOUSTIC RESONATOR

This abstract first appeared for US patent application 18720743 titled 'MULTIWALL SHEET INCLUDING AN ACOUSTIC RESONATOR

Original Abstract Submitted

A multiwall sheet, comprising: walls extending along a z-axis and extending along an x-axis, wherein the x-axis is orthogonal to the z-axis, wherein the walls comprise plastic, and wherein the walls comprise an upper wall (), and a lower wall (), wherein the lower wall () is spaced apart from the upper wall () along a y-axis, and wherein the y-axis is orthogonal to the z-axis and the x-axis; ribs extending along the z-axis and extending along the y-axis between the upper wall () and the lower wall (), wherein the ribs comprise plastic, and wherein the ribs comprise a first rib (), and a second rib (), wherein the second rib () is spaced apart from the first rib () along the x-axis, and wherein the upper wall (), the lower wall (), the first rib (), and the second rib () define a cavity () having a width Xcavity and a height Ycavity; and an acoustic resonator () in the cavity (), wherein the acoustic resonator () extends along the z-axis, comprises plastic, and comprises a first portion () extending in a negative y-axis direction from the upper wall () into the cavity (), a second portion () extending in a positive x-axis direction from the first portion (), and a third portion () extending in a positive y-axis direction from the second portion ().