Attachable Filter Unit for E-Cigarette Vapor Purification
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Solution Overview
Problem
Existing e-cigarettes lack a separate filtering unit that can be selectively attached to filter out undesired particles and toxic chemicals, posing health risks to users, especially among teenagers.
Innovation Solution
A filtering unit with a hollow housing and a filter pad, designed to attach to e-cigarettes, featuring prongs that securely mount onto the device, allowing vapors to pass through a treated cellulose acetate fiber filter pad to remove harmful particles and chemicals before inhalation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If e-cigarettes generate aerosols of ultrafine particles including nicotine and flavored ingredients, then users receive a hard nicotine hit, but toxic chemicals are created that could cause lung damage
Solution Approach 1:
The invention divides the e-cigarette system into separate functional components: a heating element for nicotine delivery and a separate filtering unit for toxic chemical removal. The filter unit is positioned between the vapor source and the user's mouth, allowing the system to simultaneously deliver nicotine while filtering out harmful substances like benzoic acid and other combustion byproducts.
Solution Approach 2:
The filter unit acts as an intermediary component between the vapor generation chamber and the user's inhalation path. This intermediate filtering stage removes toxic chemicals and particulate matter while allowing the desired nicotine-containing vapor to pass through, thus mediating between the harmful effects of vapor generation and the beneficial nicotine delivery.
2Object-affected harmful factors
If internal filtering is incorporated into e-cigarettes, then some particle filtration is achieved, but no separate filtering unit can be selectively attached to filter out undesired particles
Solution Approach 1:
The invention separates the filtering function from the main e-cigarette body, creating an independent, attachable filter unit. This modular design allows users to selectively attach the filtering unit to specific e-cigarette models, providing adaptability and versatility while maintaining effective particle filtration capability.
Solution Approach 2:
The filter unit is designed with universal compatibility to attach to multiple e-cigarette types and models. The standardized attachment mechanism enables the same filtering unit to serve various e-cigarette configurations, enhancing versatility while providing consistent harmful substance removal across different devices.
3Object-affected harmful factors
If a filtering mechanism is added to e-cigarettes, then toxic chemicals and particles are filtered out, but device complexity increases
Solution Approach 1:
The invention extracts the filtering function into a separate, dedicated unit rather than integrating it complexly into the main e-cigarette structure. This extracted filter unit uses simple physical filtration materials (such as activated carbon or HEPA-style filters) that effectively remove toxic chemicals without requiring complex mechanical or electronic control systems, thus reducing overall device complexity while maintaining filtration effectiveness.
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
Effectively filters out ultrafine particles and toxic chemicals, as demonstrated by empirical studies showing significant reduction in concentrations of propylene glycol, glycerin, benzoic acid, triacetin, nicotine, and levomenthol, enhancing user safety.
Implementation Method 1
a filter pad positioned inside the internal chamber of the hollow housing... filter pad... to filter out undesired particles in vapors
Implementation Method 2
filter pad... treated cellulose acetate fiber filter pad... significant reduction in concentrations of propylene glycol, glycerin, benzoic acid, triacetin, nicotine, and levomenthol
Data Source
AI summary
A filtering unit for use with an electronic cigarette which includes a hollo housing and a filter pad located inside the housing. The housing has a first end, a second end, a front wall, and a rear wall. The front wall and the rear wall extend from the first end to the second end of the housing. The hollow housing also including a throughgoing opening formed at the second end and at least one pair of first internally extending prongs, these first prongs forming an internal chamber. The filter pad is positioned inside the internal chamber of the hollow housing. The second end of the hollow chamber is positionable over a portion of the electronic cigarette so as to filter out undesired particles in vapors of the electronic cigarette.