Electrostatic Aircraft Decontamination Cart
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Solution Overview
Problem
Current decontamination methods for enclosed spaces, such as aircraft, are inefficient and time-consuming, particularly during pandemics, as they rely on manual processes that can take days or weeks to complete, impacting operations and revenue.
Innovation Solution
A self-contained decontamination system using electrostatically charged nozzles mounted on a rolling cart that disperses decontamination agents electrostatically, allowing for automatic and efficient coverage of aircraft interiors with reduced agent usage and minimal maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual wipe down process is used for decontamination, then thorough coverage of surfaces can be achieved, but the decontamination time increases to days or weeks
Solution Approach 1:
The patent replaces manual mechanical wiping with an automated electrostatic spray system that uses electrically charged nozzles to dispense decontamination agents. This substitution of mechanical manual labor with an automated electrostatic system achieves both thorough coverage and rapid decontamination, resolving the contradiction between coverage quality and time consumption.
Solution Approach 2:
The patent changes the physical state and distribution parameters of the decontamination agent by applying electrostatic charge to the spray droplets. This parameter change allows the agent to be dispersed as a fine charged mist that adheres to surfaces, providing thorough coverage much faster than manual wiping while maintaining effective decontamination.
2Productivity
If manual sprayers are used for decontamination, then the process is faster than manual wiping, but the coverage and efficiency remain inadequate
Solution Approach 1:
The patent replaces conventional mechanical sprayers with an electrostatic spray system that uses electrically charged nozzles. This substitution enables the decontamination agent to be atomized into fine charged droplets that are attracted to and adhere to surfaces, achieving both high-speed application and thorough, uniform coverage that manual sprayers cannot provide.
Solution Approach 2:
The patent applies electrostatic charge to the decontamination agent droplets, fundamentally changing their physical behavior. The charged droplets are attracted to surfaces and distribute more uniformly and thoroughly compared to uncharged spray, thereby improving coverage quality while maintaining the speed advantage over manual methods.
3Loss of time
If electrostatically charged nozzles are used for dispersal, then decontamination time is reduced to hours, but the system complexity increases
Solution Approach 1:
The patent divides the decontamination system into modular components: a rolling cart platform, multiple independent electrostatic nozzles, a decontamination agent reservoir, and a control system. This segmentation allows the complex electrostatic spray function to be implemented in manageable modules that can be independently maintained and replaced, reducing the practical impact of system complexity.
Solution Approach 2:
The rolling cart platform serves multiple functions: it supports and positions the electrostatic nozzles, provides mobility for accessing different areas of the aircraft, and houses the decontamination agent reservoir. This multi-functionality consolidates several system components into a single integrated platform, thereby reducing overall system complexity despite the advanced electrostatic spray technology.
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 system significantly reduces decontamination time from days to hours, ensuring faster aircraft turnaround, reducing operational disruptions and costs while providing effective coverage of complex surfaces.
Implementation Method 1
applying an electrostatic charge to the decontamination agent with an electrostatic charging system connected to at least one of the plurality of automatic electrostatic nozzles
Implementation Method 2
dispersing electrostatically charged decontamination agent from a tank positioned within a rolling cart
Data Source
AI summary
An electrostatic spraying system for decontamination of a vehicle is described. The system includes a wheeled platform sized to fit inside the vehicle, at least one tank operable to contain one or more decontaminant agents, the tanks supported by said wheeled platform, a plurality of nozzles affixed to the wheeled platform, wherein each nozzle is positioned for distribution of the decontaminant agents in at least one pre-determined direction, an electrostatic charging system connected to each of the nozzles for applying an electrostatic charge to the decontaminant agents as the agents are dispersed, and at least one compressor in communication with the tanks for pressurizing the decontaminant agents. The one or more compressors are capable of providing a pressure sufficient to provide a constant distribution of the decontaminant agents through the electrostatic nozzles.