Wall Penetration Shroud with Corrosion-Resistant Gaskets
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Solution Overview
Problem
Existing wall penetration solutions are inadequate for withstanding tornado and hurricane winds, and they often fail to provide reliable sealing, leading to potential leaks and moisture-related issues such as rust and mold, while not meeting building codes for storm shelters.
Innovation Solution
A wall penetration shroud with a corrosion-resistant cover plate and frame, featuring gaskets and cylindrical seals, designed to inhibit leaks and withstand high winds and debris, constructed from materials like aluminum or high-modulus polypropylene plastic to meet ICC building codes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If generic off-the-shelf shrouds are used to address various conditions, then versatility is improved, but reliability and proper fitting are worsened
Solution Approach 1:
The shroud is segmented into multiple components including a cover plate, frame, and gaskets that can be assembled together. This segmentation allows each component to be optimized for specific functions while maintaining overall versatility and reliability through proper assembly of standardized parts.
Solution Approach 2:
The shroud design incorporates adjustable parameters such as gasket thickness, frame dimensions, and cover plate configurations that can be modified to suit different installation conditions while maintaining reliable sealing through standardized connection methods.
2Reliability
If seal materials are used to prevent leaking, then reliability is improved, but susceptibility to degradation and leaking over time is worsened
Solution Approach 1:
The shroud employs composite material construction combining corrosion-resistant metals for the frame and cover plate with specialized gasket materials that resist degradation. This composite approach ensures both immediate seal integrity and long-term durability by selecting materials complementary to each other's strengths.
Solution Approach 2:
The gasket design allows for easy replacement of the sealing element when degradation occurs, treating the gasket as a consumable component that can be renewed without replacing the entire shroud assembly, thereby maintaining long-term reliability at lower cost.
3Ease of manufacture
If PVC sleeves are used for wall penetrations, then ease of installation is improved, but UV protection and insurable seal completion are worsened
Solution Approach 1:
The shroud acts as an intermediary component between the PVC sleeve and the wall opening, providing the necessary UV protection and structurally sound sealing interface. The frame and cover plate shield the PVC from UV exposure while the gaskets provide the reliable seal that PVC alone cannot ensure.
4Device complexity
If inadequate shrouds are used for storm shelters, then device complexity is reduced, but ability to meet wind loads and debris loads is worsened
Solution Approach 1:
The shroud design incorporates dynamic considerations for storm resistance through features such as reinforced frame corners, proper mounting hardware spacing, and gasket designs that maintain sealing under deformation. These dynamic capabilities are integrated into a relatively simple overall structure that meets storm shelter requirements without excessive complexity.
Data Source
AI summary
A wall penetration panel with a cover plate made of a corrosion-resistant material and having a first side surface, a second side surface and an edge surface adjacent to the first side surface and the second side surface; a first gasket having a first side surface, a second side surface, and a second gasket opening between the first side surface and the second side surface, the first side surface adjacent to the second side surface of the cover plate; a frame made of a corrosion-resistant and having a first side surface, a second side surface, and a frame opening between the first side surface and the second side surface, the first side surface being adjacent to and in contact with the second side surface of the first gasket, the frame have an depth and a thickness, and a rolled end having a partially cylindrical surface defining a partially cylindrical volume intersecting the edge surface of the cover plate; and a second gasket having a first side surface, a second side surface, and a first gasket opening between the first side surface and the second side surface.