Rigid Polyester Shell Acoustic Panel for Noise Reduction

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Solution Overview

Problem

Conventional acoustic panels often fail to effectively absorb sound energy while providing aesthetic and functional solutions for noise reduction in various spaces, as they lack both high acoustical absorption performance and visually appealing designs.

Innovation Solution

An acoustic system comprising a sound absorptive substrate with a rigid polyester shell cover that is configured to mount on interior surfaces, allowing some sound waves to pass through and featuring aesthetic designs, which can be molded into various shapes and patterns to conceal the substrate while enhancing sound absorption.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If a rigid shell cover is used to provide aesthetic features and conceal the substrate, then visual appeal and design flexibility are improved, but sound absorption effectiveness may deteriorate due to potential blockage of sound wave penetration

Engineering Contradiction:
Improveaesthetic featuresVSAvoidsound absorption
Core Design Contradiction:
ShapeVSLoss of energy

Solution Approach 1:

The rigid polyester shell is designed with porous or permeable characteristics that allow sound waves to pass through while maintaining structural integrity and aesthetic appearance. This resolves the contradiction by enabling the cover to be visually appealing while still permitting sound energy to reach the absorptive substrate for effective noise reduction.

Inventive Principle:
Principle #31Porous materials

Solution Approach 2:

The system combines the rigid polyester shell with the sound absorptive substrate to create a composite structure. The shell provides aesthetic features and structural support, while the substrate delivers sound absorption. This composite approach allows both aesthetic and acoustic performance requirements to be satisfied simultaneously.

Inventive Principle:
Principle #40Composite materials

2Shape

If the rigid polyester shell is made thicker or more opaque to enhance aesthetic features and concealment, then visual appeal is improved, but sound wave transmission is reduced

Engineering Contradiction:
Improveaesthetic featuresVSAvoidsound wave penetration
Core Design Contradiction:
ShapeVSObject-affected harmful factors

Solution Approach 1:

The rigid polyester shell incorporates porous or permeable characteristics that enable sound waves to pass through while maintaining structural integrity and aesthetic appearance. This resolves the contradiction by enabling the cover to be visually appealing while still permitting sound energy to reach the absorptive substrate for effective noise reduction.

Inventive Principle:
Principle #31Porous materials

3Loss of energy

If conventional acoustic panels are used to achieve sound absorption, then noise reduction is improved, but aesthetic appeal and design versatility deteriorate

Engineering Contradiction:
Improvesound absorptionVSAvoidaesthetic features
Core Design Contradiction:
Loss of energyVSShape

Solution Approach 1:

The invention merges the sound absorptive substrate with the rigid polyester shell cover into a single integrated acoustic system. The substrate provides sound absorption while the shell provides aesthetic features and structural support. This combination allows both acoustic performance and aesthetic appeal to be achieved simultaneously, resolving the contradiction between noise reduction and visual appeal.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The rigid polyester shell serves multiple functions: it provides aesthetic features, structural support, and allows sound wave transmission. The integrated system can be molded into various shapes and patterns while maintaining both acoustic performance and visual appeal, making it versatile for different applications.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system achieves improved sound absorption with a noise reduction coefficient and sound absorption average greater than 1.00, while providing a visually appealing and functional solution for noise control in diverse settings.

Implementation Method 1

The purpose of an acoustic panel is to absorb sound energy that enters the acoustic panel

Methodology Applied
Scientific EffectSound absorption: Acoustic Absorption

Implementation Method 2

configured to permit at least some sound waves to pass through the rigid shell

Methodology Applied
Scientific EffectSound wave transmission: Sound

Data Source

PatentUS11955106B2Acoustic system and method
Publication Date: 2024.04.09 AURALEX ACOUSTICS INC
  • US11955106B2 patent drawing
  • US11955106B2 patent drawing
  • US11955106B2 patent drawing

AI summary

An acoustic system is disclosed. The acoustic system includes a sound absorptive substrate, and a rigid polyester shell configured to be positioned over the sound absorptive substrate. The rigid polyester shell is configured to be mounted on an interior surface of a building such that at least some sound waves pass through the rigid polyester shell. The shell is configured to provide aesthetic features to the acoustic system.