RV Side-Wall Dust Vent With Drainage for Water and Dust Control
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Solution Overview
Problem
Recreational vehicles face issues with dust ingress due to negative pressure created by wind, leading to dust accumulation and water leakage from prior art rooftop dust reduction units, which are heavy, require frequent filter replacements, and create condensation issues, compromising maintenance accessibility and solar panel space.
Innovation Solution
A dust reduction unit affixed to the side wall of recreational vehicles, featuring a fan, HEPA filter, and external vent with water collection and drainage system, allowing for easy maintenance and reducing water ingress, with a light indicator for filter cleaning and made from cotton gauze for airflow and contaminant capture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If prior art pressure distributors are located on the roof of recreational vehicles, then dust reduction function is provided, but the unit becomes heavy requiring roof reinforcement
Solution Approach 1:
The dust reduction unit is divided into separate functional components: the pressure distribution mechanism, the housing, the filter system, and the mounting structure. This segmentation allows for optimization of each component's weight and function, reducing the overall unit weight while maintaining effectiveness.
Solution Approach 2:
Instead of placing the heavy pressure distributor on the roof as in prior art, the invention inverts the approach by using a lightweight fan-based positive pressure system that can be mounted in less critical locations, thereby reducing roof load requirements.
2Reliability
If prior art pressure distributors are located on the roof of recreational vehicles, then dust reduction function is provided, but roof space for solar panels is reduced
Solution Approach 1:
The dust reduction unit is relocated from the roof (two-dimensional surface) to the side walls or other non-roof surfaces (utilizing three-dimensional space around the vehicle). This dimensional transition preserves valuable roof space for solar panels while maintaining dust reduction functionality through alternative mounting locations.
3Reliability
If prior art pressure distributors are located on the roof of recreational vehicles, then dust reduction function is provided, but filter replacement becomes unsafe and burdensome
Solution Approach 1:
Instead of maintaining the roof-mounted configuration that requires unsafe access for maintenance, the invention relocates the unit to side walls or accessible surfaces where filter replacement and maintenance can be performed safely from ground level, inverting the maintenance accessibility problem.
4Reliability
If prior art pressure distributors are located on the roof of recreational vehicles, then dust reduction function is provided, but water leakage and condensation damage occur
Solution Approach 1:
The harmful effects of water leakage and condensation are extracted and isolated from the main housing through separate drainage pathways and waterproofing designs. The housing is designed with integrated drainage channels that redirect water away from critical components, and condensation traps that prevent moisture ingress into the vehicle interior.
Solution Approach 2:
Waterproof membranes, gaskets, and drainage intermediaries are introduced between the housing components and the vehicle body to prevent water transmission. These intermediary elements act as barriers that allow the unit to function while protecting against water leakage and condensation damage.
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 solution effectively reduces dust ingress, minimizes water leakage, enhances maintenance accessibility, and preserves roof space for solar panels by creating positive pressure and using a durable, washable filter, thus addressing the limitations of prior art rooftop units.
Implementation Method 1
a fan within the body to draw air through the external vent and into the recreational vehicle
Implementation Method 2
a filter within the body to catch dust before air passes into the recreational vehicle
Implementation Method 3
one or more collection wells for any water which may ingress into the vent, and one or more drains from the collection wells so that water can escape the unit
Data Source
AI summary
A dust reduction unit for a recreational vehicle has a body adapted to be affixed through a side wall of the recreational vehicle, an external vent in the body, fan within the body to draw air through the external vent and into the recreational vehicle and a filter within the body to catch dust before air passes into the recreational vehicle. The unit is characterized in that the external vent has collection wells for any water which may ingress into the vent, and drains connected to the wells so that water can escape the unit. The external vent has a grille on one of its sides for air intake and the external vent can be rotated with respect to the body so that the unit can be affixed on the left- or right-hand side of the recreational vehicle, which is useful for installation on recreational vehicles in any country.