A duct panel
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Solution Overview
Problem
Conventional air duct installation is labor-intensive, prone to varying quality, and poses safety risks due to manual handling at elevated heights, with bulky and difficult-to-transport ducts that compromise insulation performance and lead to material wastage.
Innovation Solution
A duct panel with a laminate structure featuring a polyisocyanurate insulation layer between galvanized or stainless steel support layers, PVC end caps, and metal mounting flanges that form a unitary construction for easier assembly and reduced material waste, using snap-lock mechanisms for efficient on-site assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If air ducts are fabricated off-site in a workshop, then installation quality can be improved and material wastage reduced, but the ducts become bulky and difficult to transport and handle
Solution Approach 1:
The duct is divided into multiple flat panels that can be manufactured off-site with precise insulation and assembly features, then transported compactly and assembled on-site to form the complete duct structure. This segmentation allows high-quality factory manufacturing while maintaining ease of transport and installation.
Solution Approach 2:
The insulation layer is nested between the inner and outer metal sheets during panel fabrication, creating a compact sandwich structure. The mounting flanges and end caps are integrated into the panel edges, allowing the entire assembly to be transported in a compact flat state and then assembled into the three-dimensional duct structure on-site.
2Ease of operation
If air ducts are installed manually at elevated ceiling levels, then installation flexibility is maintained, but worker safety risks increase and productivity decreases
Solution Approach 1:
The duct panels are pre-assembled with insulation, sealing features, and mounting flanges attached during factory manufacturing. This preliminary assembly of components eliminates the need for workers to perform complex assembly tasks at elevated heights, improving safety while maintaining installation flexibility through simple on-site panel connection.
3Adaptability or versatility
If conventional manual installation methods are used, then installation adaptability is maintained, but material wastage increases and insulation performance is compromised
Solution Approach 1:
The duct system uses standardized panel dimensions, insulation thicknesses, and mounting flange configurations that optimize material usage. The factory-manufactured panels have precise dimensions and integrated sealing features that eliminate material wastage during installation, while the modular nature maintains adaptability for different duct sizes and configurations.
4Adaptability or versatility
If mounting flanges and support layers are made from different materials, then design flexibility is improved, but manufacturing complexity increases
Solution Approach 1:
The mounting flanges are merged with the outer metal sheet and insulation layer to form a unitary construction. This integration eliminates the need for separate mounting components, simplifying manufacturing while maintaining the ability to select appropriate materials for each functional requirement of the duct panel.
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 solution enhances insulation efficiency, reduces material waste, improves on-site productivity, and ensures safer installation by providing a lightweight, compact, and easily assembled duct system with improved thermal resistance and reduced heat transfer.
Implementation Method 1
an insulation layer disposed between a first support layer and a second support layer
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
A duct panel, a method of manufacturing a duct panel, a duct section and a method of installing a duct are disclosed. The duct panel includes a laminate structure having an insulation layer disposed between a first support layer and a second support layer, the laminate structure having an end width; and an end cap attached to the end width and configured to be coupled to a mounting flange, wherein the mounting flange is configured to mount the duct panel. The end cap and the mounting flange comprise different materials.