Modular Roof Ventilator Louvers for Durable Low-Cost Venting

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Solution Overview

Problem

Existing static roof ventilators face issues with poor ventilation efficiency, aesthetic appeal, durability, high manufacturing and shipping costs, and complexity in installation due to their metallic construction and design.

Innovation Solution

A modular static roof ventilator design featuring interconnected modules with louvers and baffles, manufactured using polymeric materials, which are easy to assemble, durable, and aesthetically pleasing, with a fastening system that provides rigidity and resistance to environmental forces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional static ventilators are made from metal to withstand harsh environmental factors, then reliability and strength are improved, but manufacturing cost and weight increase

Engineering Contradiction:
ImprovedurabilityVSAvoidmanufacturing cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The patent employs composite construction by integrating polymeric louvers with a metal frame structure. The polymeric components (louvers, end caps, ridge caps) provide corrosion resistance and aesthetic appeal, while the metal frame provides structural strength. This composite approach allows the ventilator to withstand harsh environmental factors including UV exposure, rain, and wind while reducing manufacturing costs compared to fully metal construction and simplifying assembly through separate component manufacturing.

Inventive Principle:
Principle #40Composite materials

2Reliability

If conventional static ventilators are made from metal to withstand harsh environmental factors, then reliability and strength are improved, but weight increases

Engineering Contradiction:
ImprovedurabilityVSAvoidweight
Core Design Contradiction:
ReliabilityVSWeight of moving object

Solution Approach 1:

The patent employs composite construction by integrating polymeric louvers with a metal frame structure. The polymeric components (louvers, end caps, ridge caps) provide corrosion resistance and aesthetic appeal, while the metal frame provides structural strength. This composite approach allows the ventilator to withstand harsh environmental factors including UV exposure, rain, and wind while reducing manufacturing costs compared to fully metal construction and simplifying assembly through separate component manufacturing.

Inventive Principle:
Principle #40Composite materials

3Ease of manufacture

If modular design with polymeric materials is used, then ease of manufacture and shipping costs are reduced, but strength and resistance to environmental forces may deteriorate

Engineering Contradiction:
Improveease of manufactureVSAvoidstrength
Core Design Contradiction:
Ease of manufactureVSStrength

Solution Approach 1:

The patent employs composite construction by integrating polymeric louvers with a metal frame structure. The polymeric components (louvers, end caps, ridge caps) provide corrosion resistance and aesthetic appeal, while the metal frame provides structural strength. This composite approach allows the ventilator to withstand harsh environmental factors including UV exposure, rain, and wind while reducing manufacturing costs compared to fully metal construction and simplifying assembly through separate component manufacturing.

Inventive Principle:
Principle #40Composite materials

4Ease of operation

If modular design is used, then ease of assembly and installation are improved, but device complexity increases

Engineering Contradiction:
Improveease of installationVSAvoidcomplexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent divides the ventilator into distinct modular components: metal frame, polymeric louvers, end caps, and ridge caps. Each component can be manufactured separately using optimized processes and assembled on-site. The louvers are designed to fit within the metal frame with specific engagement features, and the end caps seal the ends of the louver assembly. This segmentation enables easier transportation, handling, and installation while maintaining structural integrity through standardized connection mechanisms.

Inventive Principle:
Principle #1Segmentation

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 modular design optimizes ventilation, enhances aesthetic appeal, reduces manufacturing and shipping costs, and simplifies installation while withstanding harsh environmental conditions and external forces.

Implementation Method 1

a first module louver for creating a draft within the first module passageway upon wind blowing onto the first module louver

Methodology Applied
Scientific EffectWind flow deflection: Aerofoil

Data Source

PatentUS9222691B2Static roof ventilator
Publication Date: 2015.12.29 RAMSAY LEGAL REPRESENTATIVE LINDA
  • US9222691B2 patent drawing
  • US9222691B2 patent drawing
  • US9222691B2 patent drawing

AI summary

A roof ventilator including: a first module defining a first module passageway having a first passageway longitudinal axis. The first module including a first module louver support extending substantially parallel to the first passageway longitudinal axis and a first module louver for creating a draft within the first module passageway upon wind blowing onto the first module louver. The first module louver extending from the first module louver support, located peripherally relatively to the first module passageway. A second module attached to the first module, defining a second module passageway, in fluid communication with the first module passageway and defining a second passageway longitudinal axis. The second module including a second module louver support, extending substantially parallel to the second passageway longitudinal axis. A second module louver creates a draft within the second module passageway upon wind blowing onto the second module louver. The second module louver extending from the second module louver support located peripherally relatively to the second module passageway. A fastener operatively couples the first and second modules biasing the first and second module louver supports towards each other.