Silver-Fiber Evaporative Humidifier Wick for Hygienic Operation
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Solution Overview
Problem
Conventional evaporative humidifiers face challenges with hygiene due to mineral deposits and mold growth in the wick, requiring regular cleaning or replacement, and lack efficient humidification efficiency.
Innovation Solution
An evaporative humidifier with a tubular evaporator assembly made of porous material containing anti-bacterial fibers coated or impregnated with metallic silver, providing improved hygiene and efficiency by preventing bacterial growth and mineral deposition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional wick is used in an evaporative humidifier, then the humidification function is provided, but mineral deposits accumulate and mold grows requiring regular cleaning or replacement
Solution Approach 1:
The wick material parameters are changed by incorporating anti-bacterial fibers with metallic silver coating, which fundamentally alters the wick's properties to prevent bacterial and mold growth, thereby improving hygiene and reducing maintenance frequency
Solution Approach 2:
The wick is constructed as a composite material combining porous material for water absorption with anti-bacterial fibers containing metallic silver, creating a multi-functional material that simultaneously provides humidification and prevents microbial growth
2Productivity
If the wick is made of porous material to enable evaporation, then humidification efficiency is improved, but the wick becomes saturated with mineral deposits over time
Solution Approach 1:
The chemical composition parameters of the wick material are modified by adding anti-bacterial fibers with metallic silver, which changes the material's interaction with mineral deposits and prevents saturation, maintaining wick effectiveness over time
Solution Approach 2:
The harmful mineral deposits that would normally saturate and clog the porous wick are prevented from accumulating by the anti-bacterial fibers, converting the potential harm into a benefit where the wick maintains its porous structure and humidification efficiency indefinitely
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 enhances hygiene by preventing bacterial and mold growth, and improves humidification efficiency by maintaining the effectiveness of the evaporative process without frequent wick cleaning or replacement.
Implementation Method 1
Evaporative humidifiers use a wick of a porous material that absorbs water from a reservoir and provides a larger surface area for it to evaporate from
Implementation Method 2
provides a larger surface area for it to evaporate from. A fan is used to force a flow of air through the pores of wick thereby introducing water vapour into the air flow
Implementation Method 3
the at least one evaporative element having a tubular shape and comprised of a porous material that comprises anti-bacterial fibres, and the at least one evaporative element comprises a multi-layered arrangement of the porous material, and wherein the anti-bacterial fibres comprise metallic silver
Data Source
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AI summary
There is provided an air treatment apparatus comprising an evaporative humidifier comprising an evaporator assembly. The evaporator assembly comprises at least one evaporative element that comprises anti-bacterial fibres, wherein the anti-bacterial fibres comprise metallic silver.