Portable Blower Fan Assembly for Concentrated Wet-Surface Drying
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Solution Overview
Problem
Residential and commercial properties are susceptible to water damage from floods, leading to prolonged drying times of wet surfaces which can result in mold and mildew formation due to insufficient airflow.
Innovation Solution
A portable blower fan assembly configured to provide increased airflow in various positions, including downward, upward, and angled directions, using fan assemblies and positioning legs to concentrate airflow on wet surfaces, reducing drying time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If ambient air drying is used on wet surfaces, then no additional equipment is needed, but the drying time becomes excessively long (several hours or days)
Solution Approach 1:
The fan assembly incorporates adjustable positioning legs that enable dynamic reconfiguration of the device orientation (upward, downward, angled positions). This dynamic adaptability allows the system to optimize airflow direction according to different wet surface configurations, thereby significantly improving drying efficiency compared to static ambient air drying while maintaining operational flexibility.
Solution Approach 2:
The housing is divided into multiple air tunnels (first air tunnel and second air tunnel) that segment and direct airflow through different paths. This segmentation enables concentrated airflow delivery to specific wet surface areas, enhancing drying productivity while reducing overall drying time compared to un directed ambient air drying.
2Object-affected harmful factors
If standard fans are used for drying, then the device structure remains simple, but airflow cannot be concentrated onto specific wet surfaces
Solution Approach 1:
The positioning legs are designed to enable localized airflow concentration onto specific wet surfaces by adjusting the fan assembly orientation. This local quality enhancement ensures that airflow is precisely delivered where needed (on wet surfaces), effectively preventing mold and mildew formation in targeted areas while the overall device structure remains relatively simple.
Solution Approach 2:
The positioning legs add a dimensional adjustment capability, allowing the fan assembly to transition between multiple spatial orientations (upward, downward, angled positions). This dimensional flexibility enables concentrated airflow delivery to wet surfaces without requiring complex mechanical structures, thus preventing mold and mildew while maintaining device simplicity.
3Adaptability or versatility
If the fan assembly is fixed in one position, then the device structure is simple, but it cannot adapt to different surface orientations (floor, ceiling, wall)
Solution Approach 1:
The positioning legs provide dynamic adjustability, enabling the fan assembly to be reconfigured into different orientations (upward, downward, angled positions) according to the location of wet surfaces. This dynamic positioning capability enhances adaptability to various surface orientations while maintaining a relatively simple device structure without complex mechanical mechanisms.
Solution Approach 2:
The positioning legs enable the fan assembly to perform multiple functions by adapting to different operational scenarios (drying floors, ceilings, or vertical walls). This multi-functionality is achieved through a simple adjustable structure rather than multiple dedicated devices, thus improving versatility while controlling device complexity.
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 portable blower fan assembly significantly reduces the time required to dry wet surfaces, minimizing the risk of mold and mildew formation by enhancing airflow.
Implementation Method 1
The pair of air tunnels are configured to provide a first airflow path across a surface in a downward direction when the fan assemblies are activated
Implementation Method 2
The focus corners are configured to reduce the pressure at the base of the portable blower fan assembly which helps to draw air in a downward direction
Data Source
AI summary
A portable blower fan assembly that includes a housing that forms a pair of air tunnels. The pair of air tunnels are configured to provide a first airflow path across a surface in a downward direction. The portable blower fan assembly further includes a pair of fan assemblies. Each fan assembly is positioned within one of the air tunnels with a downward angle. The portable blower fan assembly further includes a power supply that is configured to provide electrical power to the first motor and the second motor.