Expandable Insulation Batt With Lever Frame
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Solution Overview
Problem
Conventional fiberglass insulation batts are difficult to expand and maintain their R-value due to compressibility and lack of rigidity, leading to reduced thermal resistance and installation challenges in wooden-frame house cavities.
Innovation Solution
A compressible and expandable insulation batt design featuring a first and second stiffening layer with a lever mechanism that allows the batt to transition between expanded and collapsed configurations, maintaining a greater distance between the layers in the expanded state to enhance R-value and prevent collapse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional fiberglass insulation is used, then the insulation can be easily compressed for installation, but the R-value decreases significantly due to compression and the insulation collapses or sags in the cavity
Solution Approach 1:
The insulation batt incorporates a expandable frame structure that transitions from a compressed state during installation to an expanded state during operation. The frame includes movable elements that allow the insulation to dynamically adjust its volume and maintain optimal thickness, preventing collapse while preserving R-value after installation.
Solution Approach 2:
The insulation batt is divided into segmented sections with expandable elements distributed throughout the structure. These segments can independently expand or contract, allowing localized adjustment to maintain uniform pressure and prevent sagging while keeping the overall structure manageable during installation.
2Ease of operation
If the insulation is installed loosely in the cavity, then it can be easily placed, but it collapses or sags downward within the cavity
Solution Approach 1:
The insulation batt utilizes a flexible but structurally supportive frame that can be easily inserted in a compressed state then expands to provide rigid support. The frame acts as a flexible shell that maintains the insulation's shape and prevents sagging, while still allowing for simple installation without requiring precise positioning.
3Ease of operation
If the insulation is compressed to fit in the cavity, then installation becomes easier, but the thermal resistance decreases by up to 25%
Solution Approach 1:
The insulation system employs a dynamic expandable frame that allows the insulation to be compressed during installation but then expands to its optimal thickness after installation. This dynamic adjustment restores the thermal resistance that was temporarily reduced during the compression phase, ensuring energy efficiency is maintained during operation.
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 ensures improved thermal resistance by maintaining a higher R-value and easier installation by allowing the batt to expand and maintain its shape within the cavity, addressing the compressibility and rigidity issues of standard insulation products.
Implementation Method 1
a lever hingedly attached to a front panel of the first stiffening layer; the lever engaging the inner surface of the second stiffening layer and holding the first stiffening layer and the second stiffening layer apart
Implementation Method 2
R-value, which is a measure of a material's thermal resistance. A higher R-value provides better insulating properties, preventing more heat from transferring through the material.
Data Source
AI summary
An insulation batt includes a first stiffening layer, a lever hingedly attached to a front panel of the first stiffening layer; an insulation layer coupled to the first stiffening layer; and a second stiffening layer defining an inner surface, the inner surface coupled to the insulation layer; and wherein the insulation batt is selectively reconfigurable about and between an expanded configuration and a collapsed configuration, a distance defined between the first stiffening layer and the second stiffening layer, the distance being greater in the expanded configuration than in the collapsed configuration, the lever engaging the inner surface of the second stiffening layer and holding the first stiffening layer and the second stiffening layer apart in the expanded configuration.