Portable Electrostatic Disinfection Backpack System
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Solution Overview
Problem
Existing electrostatic fluid delivery systems for disinfection are cumbersome, expensive, and pose safety concerns due to their power requirements and tethering to cords, limiting their adoption in various applications.
Innovation Solution
A portable electrostatic fluid delivery system powered by a DC power system, including a lithium ion battery, that atomizes and electrically charges fluids into a mist, fog, or spray using a unique nozzle design and electrode assembly, eliminating the need for cumbersome power cords and enabling efficient surface disinfection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If traditional AC power systems are used for electrostatic fluid delivery, then sufficient power is available, but the system requires cumbersome power cords and becomes heavy
Solution Approach 1:
The patent replaces the AC power system with a DC battery-powered system. This substitution eliminates the need for mechanical power cords and external electrical infrastructure, enabling portable operation while maintaining sufficient power delivery for electrostatic charging and fluid pumping functions.
Solution Approach 2:
The power system is segmented into a removable battery module that can be independently replaced or recharged. This segmentation allows the main device body to remain relatively lightweight while providing adequate power through modular battery units.
2Ease of operation
If electrostatic delivery systems are made portable, then mobility is improved, but power delivery capability deteriorates
Solution Approach 1:
The system uses high-voltage DC power parameters to achieve effective electrostatic charging with lower current requirements. This parameter change allows portable battery operation while maintaining the electrical field strength necessary for fluid atomization and electrostatic delivery functionality.
3Reliability
If corded electrostatic systems are used, then safety is improved by having stable power, but tripping hazards and safety concerns increase
Solution Approach 1:
The harmful element (power cord) is completely extracted from the system by transitioning to an integrated battery power source. This elimination removes the tripping hazard and safety concerns associated with cords while maintaining reliable power delivery through the portable battery 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 system provides effective and efficient disinfection by ensuring thorough coverage of surfaces with electrically charged disinfectant, reducing costs and safety hazards while allowing for greater mobility and ease of use.
Implementation Method 1
an electrode assembly that electrostatically charges the fluid, wherein the electrode assembly is at least one of: (1) a first electrode assembly formed of a plurality electrodes electrically attached to the electrostatic module, wherein each electrode emits ions along an axis that is parallel to the flow pathway of the fluid emitted from the nozzle such that the plurality electrodes form a static electrical field through which the fluid passes; and (2) a second electrode assembly formed of a tube that fluidly through which fluid flows from the reservoir toward the at least one nozzle, wherein at least a conductive portion of the tube is electrically attached to the electrostatic module, and wherein the conductive portion of the tube physically contacts the fluid as it flows through the tube and applies an electrical charge to the fluid
Implementation Method 2
a pump that propels fluid from the reservoir to the at least one nozzle
Implementation Method 3
The system atomizes the fluid using a high-pressure air (or other gas) stream as it passes through an electrode inside a nozzle
Data Source
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AI summary
An electrostatic fluid delivery system (105) is configured to deliver fluid, such as a disinfectant fluid, onto a surface by electrically charging the fluid and forming the fluid into a mist, fog, plume, or spray that can be directed onto a surface, such as a surface to be cleaned. The system (105) atomizes the fluid using a high-pressure air stream and passes the fluid through an electrode inside a nozzle assembly (205) to charge, such as negatively charge, droplets of the atomized fluid. The system uses a unique nozzle design that is configured to optimally atomize the fluid into various sized droplets.