Overhead Nozzle Ionizer Attachment for Cabin Air Purification
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Solution Overview
Problem
There are no commercially available portable systems that effectively address air quality issues in passenger cabins of aircraft, trains, and buses regarding gaseous pollutants.
Innovation Solution
A portable ionization unit is designed to attach to an overhead airflow nozzle, featuring a rechargeable self-contained ionizer that creates a dome of bipolar ionized air above seated passengers, using a housing with spring-loaded grabbers for attachment and a bipolar emitter for air purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a portable ionization unit is attached to an overhead airflow nozzle to purify air in passenger cabins, then air quality is improved by removing gaseous pollutants, but device complexity increases due to the need for a self-contained rechargeable ionizer and attachment mechanism
Solution Approach 1:
The patent uses the existing overhead airflow nozzle as an intermediary device to deliver ionized air to passengers. Instead of creating a completely new air delivery system, the invention attaches an ionization unit to the already-present nozzle infrastructure, thereby reducing overall system complexity while still achieving air purification
Solution Approach 2:
The ionization function is extracted as a separate, self-contained module that can be independently attached to the airflow nozzle. This modular approach allows the ionizer to be a portable add-on rather than requiring integration into the aircraft's fixed systems, simplifying deployment and reducing complexity
2Ease of operation
If a self-contained rechargeable ionizer is used in the portable unit, then ease of operation is improved by enabling portable and removable attachment, but use of energy increases due to the rechargeable battery requirement
Solution Approach 1:
The attachment mechanism uses spring-loaded grabbers that dynamically adapt to the nozzle surface, providing secure attachment during flight while allowing easy removal when needed. This dynamic mechanical system enables portable operation without requiring complex electronic controls or permanent installation
Solution Approach 2:
The spring-loaded grabbers use elastic potential energy stored in springs to automatically engage and secure the unit to the nozzle. This self-actuating mechanism eliminates the need for motors, actuators, or complex fastening systems, reducing energy consumption while maintaining ease of operation
3Ease of operation
If spring-loaded grabbers are used for attachment to the overhead airflow nozzle, then ease of operation is improved by enabling easy attachment and removal, but device complexity increases due to the mechanical attachment mechanism
Solution Approach 1:
The spring-loaded grabbers convert the potentially harmful unsecured movement of a portable device into a beneficial secure attachment mechanism. The springs provide constant force to maintain firm contact with the nozzle surface, ensuring the ionization unit remains in position during aircraft vibrations and turbulence while still allowing easy manual removal
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 unit effectively purifies the air by creating a dome of bipolar ionized air, improving air quality in confined spaces by removing gaseous pollutants, with a rechargeable design for continuous operation.
Implementation Method 1
a rechargeable self-contained ionizer that creates a dome of bipolar ionized air
Data Source
AI summary
A portable ionization unit for attachment to an overhead airflow nozzle is disclosed. The ionization unit includes a housing. A rechargeable self-contained ionizer is positioned inside the housing. The housing is attachable to the overhead airflow nozzle. Once the ionization unit is attached to the overhead airflow nozzle, a dome of bipolar ionized air is created above the seated passenger.