Aircraft Exhaust-Valve Conical Collector for Representative Pathogen Sampling
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Solution Overview
Problem
Conventional systems and methods for monitoring infections on aircraft have not met the demands of rapid and reliable virus and pathogen detection, particularly due to the asymptomatic nature of COVID-19 carriers and the need for improved on-board detection systems.
Innovation Solution
A method involving a conical collector accessed through a cabin exhaust valve to collect ambient cabin air over a reagent fluid, followed by purification using silica columns and magnetized beads, enabling efficient sample collection without specialized tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional monitoring systems are used, then device complexity is reduced, but measurement precision and detection reliability are insufficient for rapid pathogen detection
Solution Approach 1:
The invention extracts the sampling function from complex automated systems and implements it through a simple conical collector that can be manually accessed through the exhaust valve. This separates the sampling mechanism (simple conical collector) from the analysis system, achieving high detection precision without requiring complex integrated monitoring systems throughout the aircraft.
Solution Approach 2:
The conical collector acts as an intermediary device between the cabin air environment and the laboratory analysis system. It collects representative air samples through the exhaust valve and allows purification and concentration of pathogens in a controlled manner, bridging the gap between simple sampling and complex detection without requiring complex systems in both locations.
2Productivity
If rapid sample collection is implemented, then productivity is improved, but measurement precision may be compromised without proper purification
Solution Approach 1:
The conical collector is pre-positioned in the exhaust valve location and pre-filled with reagent fluid before flight. During the flight, it automatically collects cabin air samples through the exhaust flow without requiring intervention. This preliminary setup enables rapid sample collection after flight while ensuring representative sampling throughout the flight duration.
Solution Approach 2:
The system utilizes the cabin exhaust airflow (pneumatic flow) to drive the sampling process. The exhaust valve provides a natural flow path that draws cabin air through the conical collector and into the reagent fluid, enabling passive, rapid sample collection without requiring active pumping or complex mechanical mechanisms.
3Measurement precision
If specialized tooling is used for sample collection, then measurement precision is improved, but ease of operation deteriorates
Solution Approach 1:
The conical collector is designed to be self-accessible through the existing exhaust valve opening. It can be manually inserted and removed without requiring specialized tools, complex disassembly procedures, or assistance from multiple personnel. The simple conical shape allows it to be easily handled and positioned while maintaining sampling precision.
4Productivity
If bulk screening is implemented, then productivity is improved, but loss of time in purification and concentration increases
Solution Approach 1:
The system uses reagent fluid with specific chemical parameters that enable rapid purification and concentration of pathogens from bulk samples. The reagent fluid is designed to quickly bind and concentrate viral particles, reducing the time required for processing large volumes of collected air samples while maintaining detection sensitivity.
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
Enables rapid and effective collection of a representative air sample for bulk screening, facilitating quick turnaround of flights and reducing the risk of pathogen transmission.
Implementation Method 1
ambient cabin air has been driven from the cabin over a reagent fluid within the conical collector in order to collect a representative sample within the reagent fluid
Implementation Method 2
collect a representative sample within the reagent fluid
Implementation Method 3
extracting and purifying the reagent fluid by passing the concentrated reagent fluid through silica columns
Implementation Method 4
extracting and purifying by passing the concentrated reagent fluid through magnetized beads
Data Source
Figure 1
AI summary
A method (100) of monitoring aircraft including removing a conical collector through a cabin exhaust valve of the aircraft wherein ambient cabin air has been driven from the cabin over a reagent fluid within the conical collector in order to collect a representative sample of the cabin air within the reagent fluid.