Ridge Vent With External-Flexion Vanes For Angled Roofs
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Solution Overview
Problem
Conventional ridge vent systems face challenges in accommodating angled roofs and providing optimal airflow while maintaining structural integrity and flexibility, leading to potential thermal differentiation and moisture accumulation issues.
Innovation Solution
A vent system comprising vent panels with angled sidewalls, flexure vanes, and a combination of primary and secondary buttresses that allow for flexibility and increased airflow, along with weep holes for moisture drainage, enabling the system to adapt to various roof angles and reduce thermal differences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional ridge vent systems are used on angled roofs, then structural integrity is maintained, but flexibility to accommodate different roof angles is reduced
Solution Approach 1:
The vent panel is divided into multiple segments including sidewalls, end walls, and internal support members that can independently flex. This segmentation allows each portion to move and adapt to different roof angles while maintaining overall structural integrity through the interconnected framework.
Solution Approach 2:
The vent panel incorporates dynamic elements such as flexure channels and buttresses that enable controlled movement and deformation. These features allow the rigid-looking structure to dynamically adapt to various roof angles and installation conditions while preserving structural strength.
2Adaptability or versatility
If vent panels are made rigid for structural integrity, then strength is improved, but flexibility and airflow adaptation are reduced
Solution Approach 1:
The vent panel utilizes thin-walled construction with strategically placed flexure channels that create flexible zones. These flexible zones allow the panel to bend and conform to different roof angles while the overall structure maintains sufficient strength through the buttress support system.
Solution Approach 2:
The design changes the structural parameters by varying wall thickness and incorporating flexure channels at specific locations. This creates regions of different rigidity within the same panel, allowing flexible adaptation at critical areas while maintaining strength in load-bearing regions.
3Temperature
If thermal differentiation is reduced through better ventilation, then thermal performance is improved, but moisture accumulation may increase without proper drainage
Solution Approach 1:
The design extracts and separates the drainage function from the ventilation function by incorporating dedicated weep holes at the lowest points of the vent panel. This allows moisture to be actively removed through specialized drainage pathways while ventilation continues through separate channels, addressing both thermal and moisture concerns simultaneously.
Solution Approach 2:
The weep holes act as intermediary elements that facilitate moisture removal without interfering with the primary ventilation function. These small drainage openings provide a dedicated pathway for condensate and rainwater to exit, preventing moisture accumulation while allowing the main vent openings to focus on thermal ventilation.
4Productivity
If airflow is enhanced through increased vent openings, then ventilation performance is improved, but structural strength may be reduced
Solution Approach 1:
The vent panel applies local quality by concentrating ventilation openings in specific areas where structural strength is less critical, while maintaining solid construction in load-bearing regions. The end walls and sidewalls incorporate vent openings at strategic locations, while the central framework and buttresses remain substantial to preserve overall panel strength.
Data Source
AI summary
A vent system includes a plurality of vent panels. Each vent panel includes a body having first and second sidewalls and first and second end walls. Each of the first and second end walls includes a first set of lateral vents and a second set of lateral vents. The first set of lateral vents is disposed at a first angle relative to the first end wall and a second set of lateral vents is disposed at a second angle relative to the second end wall. A first vented portion is disposed between the first sidewall and the body. A second vented portion is disposed between the second sidewall and the body. The first and second vented portions each include laterally-extending vent supports that define a plurality of vent openings that support the flow of air therethrough. A plurality of flexure vanes are disposed on each of the first and second sidewalls. A flexure channel is disposed adjacent to each of the plurality of flexure vanes that allow for some flexure of the vent panel. A plurality of weep holes are disposed on each of the first and second sidewalls.