Expansible Reinforcement Component for Cavity Impact Absorption
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing mechanical structures with cavities require reinforcement to absorb impact energy and reduce vibration, but current solutions add weight and are cumbersome to integrate, especially when multiple cavities are involved, and there is a need for components that can expand and adhere during heat processes.
Innovation Solution
A reinforcement component with expansible materials on multiple surfaces that can be easily maneuvered into multiple cavities and expand during heat exposure to adhere and reinforce structural members, reducing weight and enhancing impact absorption and noise reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional reinforcement components are used to reinforce structural members with cavities, then impact energy absorption and vibration mitigation are improved, but weight of the structure increases
Solution Approach 1:
The reinforcement component utilizes a material that undergoes a parameter change from a compact state to an expanded state. The material is applied in a compressed or granular form that can be easily maneuvered into cavities, then expands upon exposure to heat or moisture to fill the cavity and provide reinforcement, thereby achieving high impact energy absorption with minimal initial weight and volume
Solution Approach 2:
The expansible material undergoes a phase transition when exposed to heat during the paint bake process. The material transforms from a compact, easily-manipulated phase to an expanded, solidified phase that provides structural reinforcement. This phase transition allows the material to deliver high strength and impact absorption while adding minimal weight to the overall structure
2Strength
If multiple separate reinforcement components are used for multiple cavities, then each cavity is adequately reinforced, but device complexity and number of components increase
Solution Approach 1:
The reinforcement component is designed with multi-functionality to serve multiple purposes: it can be maneuvered through narrow openings to reach cavities, expands to fill and reinforce each cavity, and can be applied sequentially to multiple cavities using the same component type. This universal design reduces the variety of components needed while ensuring adequate reinforcement of all cavities
Solution Approach 2:
The structural member is divided into multiple cavities, and the reinforcement process is segmented into sequential applications. The expansible material is applied to individual cavities one at a time through their respective openings, allowing each cavity to be independently reinforced while using the same type of material and process, thereby simplifying the overall system
3Strength
If reinforcement components are maneuvered into cavities during assembly, then structural reinforcement is achieved, but ease of operation decreases due to difficulty in maneuvering
Solution Approach 1:
The material's physical parameters are optimized for ease of maneuvering in its initial state. The expansible material is provided in a compact, granular, or highly compressed form that can easily pass through narrow openings and complex cavity geometries. Once positioned inside the cavity, the material undergoes expansion to provide reinforcement, thus achieving ease of operation during installation while maintaining effective structural reinforcement
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 reinforcement component effectively absorbs impact energy and minimizes vibration by expanding and adhering to structural members, providing enhanced compressive strength and noise isolation with minimal weight addition, suitable for various mechanical structures.
Implementation Method 1
After the reinforcement component is placed into the structural member and the structural member undergoes sufficient exposure to heat (such as during a paint bake process), the expansible material expands
Implementation Method 2
the expansible material expands, cures and adheres to the structural member, thereby reinforcing the structural member
Data Source
AI summary
Reinforcement components for structural members are disclosed. The reinforcement components have expansible reinforcement material that adheres to and reinforces structural members following activation. Methods of reinforcing are disclosed. Reinforced structural members are described.