Insulated register box with boot rail adaptor
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Solution Overview
Problem
Existing HVAC register boxes face issues with air leakage, labor-intensive insulation application, and installation challenges, including damage to the register box during fastener penetration, which affects efficiency, safety, and compliance with building codes.
Innovation Solution
An insulated register box with a boot rail adapter system that uses expandable polymeric material for sealing and a clinch lock mechanism for attachment to supporting surfaces without penetrating the register box, allowing for adjustable and secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If fasteners are used to attach the register box to supporting surfaces, then secure attachment is achieved, but the register box material is damaged and structural integrity is compromised
Solution Approach 1:
The patent introduces a boot rail adapter as an intermediary component between the register box and the supporting surface (joist). The adapter attaches to the supporting surface using fasteners, while the register box attaches to the adapter without fasteners penetrating the box itself. This mediator protects the register box from direct fastener damage while still achieving secure attachment through the adapter's mounting mechanism.
2Loss of energy
If insulation is applied to sheet metal register boxes, then thermal efficiency is improved, but the insulation application process becomes labor-intensive and time-consuming
Solution Approach 1:
The patent incorporates insulation material directly into the register box construction process, integrating insulation application with box fabrication. The insulation is positioned within the box structure before final assembly, eliminating the need for separate post-installation insulation steps. This preliminary integration of insulation into the manufacturing process dramatically reduces on-site labor time while ensuring complete coverage and proper sealing.
3Ease of manufacture
If traditional register box construction methods are used, then manufacturing simplicity is maintained, but air leakage through gaps and seams increases
Solution Approach 1:
The patent employs composite construction combining sheet metal components with integrated insulation material and sealing elements. The register box is constructed as a composite assembly where the metal provides structural integrity while the integrated insulation and sealing components prevent air leakage through gaps and seams. This composite approach maintains manufacturing simplicity while dramatically improving airtightness and energy efficiency.
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 minimizes air loss, enhances insulating efficiency, improves worker safety, and facilitates easy installation by unskilled personnel while maintaining structural integrity and compliance with building codes.
Implementation Method 1
an expandable polymeric material affixed within the register box and having a expanded state that seals to the plurality of side panels
Implementation Method 2
The rail guide is slidable relative to the rail
Implementation Method 3
a clinch lock mechanism for attachment to supporting surfaces without penetrating the register box
Data Source
AI summary
An insulated register box apparatus with a boot rail adapter has a register box, an insulating material affixed within the register box, a rail affixed to a side panel of the register box, and a rail guide having a slot that receives a section of the rail therein. The rail guide is adapted to be affixed to a supporting surface. The rail is affixed to at least one of the side panels of the register box. The rail is slidable relative to the rail guide. The register box has a plurality of side panels and a duct that opens to an interior of the plurality of side panels. The insulating material extends inwardly of the plurality of side panels.