Composite Window Bracket Thermal Break Design
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Solution Overview
Problem
Metal wall and roof assemblies with metal-to-metal contact suffer from reduced warranties and life cycles due to thermal cycling and corrosion, as well as thermal bridging issues, which affect the thermal efficiency of building enclosures.
Innovation Solution
A composite window bracket made of resin and fibers, such as glass, carbon, cellulose, or aramid fibers, is designed to provide a thermal break by separating materials and preventing direct metal-to-metal contact, using a pultruded composite structure with accessory members for support and attachment to a support beam, and incorporating intumescent materials for added insulation and protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If metal anchors and fasteners are used to assemble wall and roof panels, then structural strength and stability are improved, but thermal bridging increases and thermal efficiency deteriorates
Solution Approach 1:
The patent introduces non-metallic intermediary components (polymer anchors, composite fasteners, plastic transition pieces) between metal panels and structural members to break thermal conduction paths. These intermediaries maintain structural attachment while preventing direct metal-to-metal thermal contact, thereby resolving the contradiction between structural strength and thermal efficiency.
Solution Approach 2:
The patent employs composite materials combining metal and non-metallic components (e.g., metal panels with polymer anchors, composite fasteners with metal and plastic parts) to achieve both structural strength and thermal break performance. The composite structure leverages the strength of metal where needed while using non-metallic components to阻断 thermal paths.
2Duration of action of stationary object
If metal materials are used for wall and roof assemblies, then structural durability is improved, but corrosion resistance deteriorates due to metal-to-metal contact
Solution Approach 1:
The patent uses non-metallic intermediary components (polymer anchors, composite fasteners, plastic transition pieces) to separate dissimilar metals and prevent galvanic corrosion. These intermediaries act as barriers between metal panels and structural members, eliminating direct metal-to-metal contact while maintaining structural durability through alternative attachment mechanisms.
3Loss of energy
If metal skins are bonded to insulated panels in a factory, then thermal efficiency is improved by preventing metal-to-metal contact, but manufacturing complexity increases
Solution Approach 1:
The patent segments the assembly process into pre-fabricated components (panels with attached non-metallic anchors or composite fasteners) that are assembled on-site. This segmentation allows thermal break features to be integrated into individual components during manufacturing while simplifying the overall assembly process, balancing thermal efficiency with manufacturing complexity.
4Stability of the object's composition
If accessory members are added to couple the composite window bracket to accessory brackets, then structural stability is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple functions into integrated components where accessory members are built-in features of the composite window bracket rather than separate additions. The bracket design incorporates attachment features, thermal break elements, and support structures as unified components, reducing the number of separate parts while maintaining structural stability.
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 composite window bracket effectively reduces thermal bridging and corrosion, enhancing the thermal efficiency and durability of building enclosures by minimizing heat transfer and extending the lifespan of the assembly.
Implementation Method 1
a first surface of a first member of a composite window bracket to a support beam, and a window on a first surface of a second member of the composite window bracket, the second member providing support to the window
Data Source
AI summary
A method of installing a window and composite window bracket comprises a first member and a second member, and an at least one accessory member to couple the composite window bracket to at least one accessory bracket. The first member includes a first surface extending from a first end of the first member to a second end of the first member, and a second surface extending from the first end first member to the second end first member, the first surface of the first member to be coupled to a support beam. The second member supports a window disposed on the first surface of the second member.