Attic Insulation Cover with Removable Chamber
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Solution Overview
Problem
Existing attic-insulation covers do not effectively insulate access doors leading into attic spaces, such as pulldown stairs and vertical attic doors, and often lack the ability to add insulation directly, which affects thermal resistance and energy efficiency.
Innovation Solution
A flexible attic-insulation cover comprising an insulation flange and jacket with a closure device, designed to fit over pulldown ladders, featuring a removable insulation chamber that can be filled with insulation, providing a higher R-value and improved thermal resistance by creating an airtight seal around the attic access area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If existing attic-insulation covers are used, then the access door is covered, but thermal resistance and energy efficiency are insufficient
Solution Approach 1:
The insulation cover is divided into multiple components: a rigid border structure that attaches to the attic opening frame, a flexible jacket that covers the ladder, and an insulation chamber that can be filled with insulation material. This segmentation allows each component to perform its specific function optimally while working together to provide comprehensive insulation.
Solution Approach 2:
The insulation chamber is designed to envelop the pull-down ladder, with the ladder nesting inside the insulated chamber. This nested configuration ensures that the insulation material surrounds the ladder completely, eliminating thermal bridges and maximizing thermal resistance without requiring the ladder to be removed.
2Reliability
If insulation is added directly to the cover, then thermal resistance improves, but device complexity increases
Solution Approach 1:
The insulation chamber is designed with a flexible jacket that can be opened and closed, allowing the insulation material to be added or removed as needed. This dynamic design enables users to adjust the insulation level based on their requirements without permanently altering the structure, maintaining simplicity while providing high thermal resistance.
Solution Approach 2:
The insulation chamber acts as an intermediary structure between the attic opening frame and the pull-down ladder. It provides a simple yet effective mechanism for adding insulation material without directly modifying the ladder or the frame, thus maintaining device simplicity while achieving high thermal resistance.
3Ease of operation
If the cover is made flexible for easy installation and transport, then ease of operation improves, but structural strength may be compromised
Solution Approach 1:
The border structure and the jacket are combined into a single integrated assembly that can be easily transported and installed as one unit. The rigid border provides structural strength for attachment to the frame, while the flexible jacket provides ease of installation and transport. This merging of rigid and flexible components resolves the contradiction between strength and ease of operation.
Solution Approach 2:
The jacket is constructed from flexible material that can be easily folded and transported, yet when assembled with the rigid border and filled with insulation material, it forms a structurally sound insulation cover. The flexible shell approach allows the cover to be lightweight and easy to install while maintaining sufficient structural strength through the combination with the rigid border and insulation filling.
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 effectively insulates attic access points, reducing heat loss and energy consumption, while being easy to install and transport, and allows for local addition of insulation, promoting energy savings and convenience.
Implementation Method 1
an insulation chamber (152) adapted to receive and retain insulation (141)... providing a higher R-value and improved thermal resistance
Data Source
AI summary
An attic-insulation cover designed to cover access doors leading into attic spaces, such as pull down stairs, scuttle holes and vertical attic doors includes an attic insulation flange or border for placement over the attic opening frame, the attic insulation flange having a first top end and a second bottom end, an attic insulation jacket having a top wall, parallel side walls, parallel end walls and a bottom panel; and a closure device at the second bottom end of the attic-insulation flange for connecting the attic insulation flange and the attic insulation jacket.