Thermoformable Fibrous Linear Panel for Acoustic Absorption
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Solution Overview
Problem
Aluminium linear ceiling and wall panels lack favorable acoustic characteristics, making it desirable to provide sound-absorbing solutions for these applications.
Innovation Solution
The use of linear panels formed from woven or non-woven fibrous materials, which are thermoformable and free from metal, providing integral mounting means and improved sound absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If aluminium linear panels are used for ceiling or wall coverings, then the panels are lightweight and flame retardant, but the acoustic characteristics are poor
Solution Approach 1:
The patent changes the material parameter from metal (aluminium) to fibrous material, which fundamentally alters the acoustic properties. The fibrous material's structure with air gaps and varying density enables sound wave absorption through friction and conversion to thermal energy, resolving the poor acoustic characteristics of metal panels.
Solution Approach 2:
The patent employs fibrous material as a composite alternative to metal panels. This fibrous composite structure combines multiple fiber types and air pockets to create effective sound absorption while maintaining the panel's structural integrity and mounting capabilities.
2Reliability
If traditional metal panels are used, then mounting flanges can be easily formed, but the panels lack sound absorbing properties
Solution Approach 1:
The patent merges the panel body and mounting means into a single integral structure formed from the same fibrous material. The mounting flanges are not separate metal components but are directly formed from the molded fibrous material, combining structural support and acoustic absorption functions in one element.
Solution Approach 2:
The patent utilizes thermoformable properties of the fibrous material to enable molding of complex three-dimensional shapes including integrated mounting flanges. By heating the material to its forming temperature, the patent achieves ease of manufacture similar to metal forming while maintaining sound absorption capabilities.
3Reliability
If fibrous material panels are used to improve sound absorption, then acoustic properties are enhanced, but the structural strength may be reduced
Solution Approach 1:
The patent uses composite fibrous material structures that combine different fiber types and densities to achieve both acoustic performance and structural integrity. The composite nature allows optimization of specific regions for either strength or sound absorption as needed.
Solution Approach 2:
The patent applies different densities and compositions of fibrous material to different regions of the panel. Areas requiring structural strength have tighter, more densely packed fibers, while sound-absorbing areas have more open, porous structures. This local variation optimizes both strength and acoustic properties.
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 fibrous material panels significantly enhance sound absorption in rooms compared to traditional aluminium panels, addressing the need for improved acoustic properties.
Implementation Method 1
the panel being shaped to provide means for mounting the panel to a carrier... the material may be a thermoformable woven fibrous material or may alternatively be a thermoformable non-woven fibrous material
Implementation Method 2
Aluminium linear panels have the advantages of being relatively light and flame retardant, however, they do not generally exhibit favorable acoustic characteristics... the sound absorbing properties of a room can be greatly improved
Data Source
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AI summary
A linear wall or ceiling panel comprising and formed from a woven or non-woven fibrous material. Preferably, the material is thermoformable and non-woven and comprises at least one of the group consisting of: bi-core polyester fibers; two different types of fibers having different melting points; a mixture of bi-core polyester fibers and non-bi-core (single core) polyester fibers. The panel is preferably shaped to provide means for mounting the panel to a carrier. Optionally, an end portion may be provided to cover the open longitudinal end of the linear panel.