Aircraft Lavatory Ionizer for Odor Neutralization
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Solution Overview
Problem
Current air filtration systems in aircraft, such as HEPA filters, are not effective in continuously maintaining air quality within enclosed spaces and do not address odor removal, leading to potential health risks and discomfort.
Innovation Solution
Integration of an air ionizer system in aircraft lavatories, comprising an ion emitter coupled with an air outlet and a control unit to manage ion output, which generates a high density of ions to combat pathogens and malodors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If HEPA filters are used to filter air during recirculation, then air filtration effectiveness is improved, but cost and energy consumption increase
Solution Approach 1:
The patent divides the air treatment function into two separate components: HEPA filters for particle filtration and ion emitters for odor and pathogen neutralization. This segmentation allows each component to perform its specialized function efficiently without the energy penalty of forcing air through a more complex filtration system, while maintaining comprehensive air quality improvement.
Solution Approach 2:
The patent introduces ion emitters as an intermediary mechanism that works in conjunction with HEPA filters. The ion emitters generate negative ions that attach to airborne particles and odors, causing them to settle or be more easily captured by the HEPA filters, thereby enhancing overall air treatment effectiveness without increasing the energy consumption of the filtration system.
2Reliability
If HEPA filters are used to filter air during recirculation, then air filtration effectiveness is improved, but cost increases
Solution Approach 1:
The patent segments the air treatment system into HEPA filtration for particles and ion emission for odors and pathogens. This allows the use of standard, cost-effective HEPA filters combined with relatively inexpensive ion emitter technology, avoiding the need for expensive specialized filters that would be required to handle all air quality concerns in a single system.
Solution Approach 2:
The patent uses ion emitters that generate negative ions to mimic the natural occurrence of negative ions in the environment, which occur after thunderstorms and near waterfalls. This natural phenomenon is replicated using simple, low-cost ion emitter devices rather than requiring complex or expensive filtration technologies.
3Device complexity
If air filters are placed at central locations, then air circulation is simplified, but continuous effectiveness within the enclosed space deteriorates
Solution Approach 1:
The patent places ion emitters at multiple distributed locations throughout the lavatory rather than relying solely on a central air filter. This segmentation of the air treatment function across multiple points ensures continuous air quality effectiveness in all areas of the enclosed space, including areas that may not be directly served by central air circulation.
Solution Approach 2:
The patent applies ion emission technology at specific local locations within the lavatory where air quality concerns are most prominent. This local application of air treatment ensures that each area receives appropriate attention, maintaining continuous effectiveness throughout the enclosed space while working complementarily with the central air circulation system.
4Productivity
If air filters are used during recirculation, then air circulation is maintained, but odor removal capability is lost
Solution Approach 1:
The patent separates the air circulation function (maintained by the existing air filter system) from the odor removal function (performed by ion emitters). This segmentation allows the air circulation system to continue operating efficiently while the ion emitters specifically target and neutralize odors and harmful pathogens without interfering with the circulation process.
Solution Approach 2:
The patent introduces ion emitters as an intermediary mechanism that works alongside the air circulation system. The ion emitters generate negative ions that attach to odor molecules and pathogens, neutralizing them without obstructing the air flow or reducing the efficiency of the air circulation system.
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 air ionizer system effectively neutralizes airborne pathogens and odors, improving the overall air quality within the lavatory and reducing health risks and discomfort.
Implementation Method 1
an ion emitter coupled to the air outlet... which generates a high density of ions to combat pathogens and malodors
Data Source
AI summary
An aircraft lavatory is disclosed herein. The aircraft lavatory includes an air duct including an air inlet and an air outlet, the air outlet extending into an interior of the aircraft lavatory, an ion emitter coupled to the air outlet, and a control unit electronically coupled to the ion emitter, the control unit configured to control an ion output of the ion emitter.