Ventilated Structural Panel With Integrated Airflow Channels

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Solution Overview

Problem

Existing sheathing materials lack integral ventilation systems while maintaining structural strength, leading to complex and costly solutions that are not commercially feasible.

Innovation Solution

A ventilated structural panel comprising two parallel sheets connected by spacing structural elements, allowing for ventilation and increased strength, using readily available materials and conventional attachment methods.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional sheathing materials are used, then structural strength is provided, but ventilation functionality is lacking

Engineering Contradiction:

Improvestructural strengthVSAvoidventilation functionality

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The sheathing panel is designed to perform multiple functions simultaneously: it provides structural strength through the layered sheet construction while incorporating ventilation channels and openings to enable air flow. This multi-functional design eliminates the need for separate ventilation components, allowing a single element to serve both structural and ventilation purposes.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The invention merges the structural sheathing function with the ventilation function into a single integrated panel system. The spacing elements and openings that create ventilation pathways are incorporated directly into the sheathing structure itself, combining what were traditionally separate systems into one unified component.

Inventive Principle:

Principle #5Merging (Combining)

2Adaptability or versatility

If ventilation systems are incorporated into sheathing, then ventilation functionality is improved, but structural strength and manufacturing feasibility deteriorate

Engineering Contradiction:

Improveventilation functionalityVSAvoidstructural strength

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The sheathing panel is segmented into multiple layers with spacing elements creating distinct compartments. This segmentation forms continuous ventilation channels between the layers while maintaining the structural integrity of each individual layer. The segmented design allows air flow pathways to be integrated without compromising the strength of the overall panel.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different regions of the sheathing panel have different properties: the outer sheets provide structural strength while the internal spacing elements and openings provide ventilation functionality. This local differentiation allows each part of the panel to be optimized for its specific function while contributing to the overall performance of the integrated system.

Inventive Principle:

Principle #3Local quality

3Adaptability or versatility

If complex ventilation systems are incorporated into sheathing, then ventilation functionality is improved, but device complexity and cost increase

Engineering Contradiction:

Improveventilation functionalityVSAvoidsystem complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The sheathing panel's own structure provides the ventilation functionality through its inherent design features. The spacing elements and openings are integral parts of the sheathing construction itself, eliminating the need for separate, complex ventilation systems. The panel serves its own ventilation needs through its basic structural configuration.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 panel provides superior structural strength, ventilation, and reduced material requirements, facilitating the use of various insulation types without additional consideration for ventilation, and meets or exceeds building code ventilation standards.

Implementation Method 1

A plurality of spacing structural elements fixedly attaches the first sheet to the second sheet, such that the strength of the combined panel is multiple times greater than the combined individual strength of the first and second sheet. The ventilated structural panel can be at least semi-permeable to the passage of gases and liquids

Methodology Applied

Scientific EffectAir flow through channels: Convection

Implementation Method 2

The ventilated structural panel can be at least semi-permeable to the passage of gases and liquids and the first or bottom sheet of the panel could have one or more perforations

Methodology Applied

Scientific EffectPermeation: Permeation

Data Source

PatentUS12509881B2Ventilated structural panels and method of construction with ventilated structural panels

Publication Date: 2025.12.30 WALKER JAMES

AI summary

A ventilated structural panel comprising a first sheet, having a long axis defining a length and a perpendicular short axis defining a width, a plurality of spacing structural elements, fixedly attached to the first sheet such that the yield strength of the panel is greater than the individual yield strength of the first sheet, and the plurality of spacing structural elements being formed such that a plurality of unobstructed pathways are created for air to move from at least one edge of the panel to at least one of an opposite and an adjacent edge of the panel, wherein the first sheet is the only sheet in the panel.