Humidification Filter Fiber Composition to Prevent Odor Release
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Solution Overview
Problem
Existing vaporizing humidifiers face issues with pungent odor release when the humidification filter dries out, particularly with hydrophilic synthetic fibers, and insufficient humidification with hydrophobic synthetic fibers require chemical treatments that also lead to odor issues.
Innovation Solution
A humidification filter is developed by mixing natural fibers (like hemp, cotton, or bamboo) or regenerated fibers (such as viscose rayon) with hydrophobic synthetic fibers (polypropylene or polyethylene terephthalate), which are woven or non-woven, maintaining a density of 80 to 110 g/m2 and a synthetic fiber ratio of 70 to 90%, to prevent odor release and enhance moisture absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a hydrophilic synthetic fiber is used for the humidification filter, then moisture absorption is improved, but pungent odor is released when the filter dries out
Solution Approach 1:
The patent uses a composite material consisting of hydrophobic synthetic fiber and natural fiber in a mixed arrangement. The natural fiber component provides hydrophilicity for moisture absorption, while the hydrophobic synthetic fiber prevents odor release during drying, thus resolving the contradiction between moisture absorption and odor prevention.
2Object-generated harmful factors
If a hydrophobic synthetic fiber is used for the humidification filter, then odor release is minimized, but humidification amount is insufficient
Solution Approach 1:
The patent employs a composite structure where hydrophobic synthetic fiber forms the base material to minimize odor release, while natural fiber is incorporated to enhance moisture absorption capacity, thereby achieving both odor prevention and sufficient humidification output.
Solution Approach 2:
Different regions of the filter material have different properties: the hydrophobic synthetic fiber regions provide odor resistance, while the natural fiber regions provide moisture absorption. This local differentiation of material properties allows the filter to simultaneously achieve both functions.
3Quantity of substance
If chemical treatment is performed on hydrophobic synthetic fiber to increase humidification, then humidification amount is improved, but pungent odor is released when dried
Solution Approach 1:
Instead of using chemical treatments that cause odor, the patent uses natural fiber which inherently provides hydrophilicity without requiring chemical modification. The natural fiber acts as a temporary, replaceable component that absorbs moisture effectively without generating harmful emissions when dry.
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 prevents pungent odor release during drying and achieves a sufficient humidification amount by combining the strength and stability of synthetic fibers with the moisture absorption characteristics of natural and regenerated fibers, maintaining shape stability and minimizing shrinkage.
Implementation Method 1
a humidification filter in which at least one of natural fibers and regenerated fibers is mixed with a hydrophobic synthetic fiber
Implementation Method 2
the humidification filter consisting of the hydrophobic synthetic fiber has minimal hydrophilic substances
Data Source
AI summary
A humidification filter, in one aspect, includes at least one of natural fiber and regenerated fiber mixed with a hydrophobic synthetic fiber.