Electrostatic Spray Tool Turbine Generator Power Supply
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Solution Overview
Problem
Electrostatic spray tools are limited by the need for a power cord and local power source, restricting mobility and comfort, and additional weight reduces handling quality and transfer efficiency of the coating.
Innovation Solution
An electrostatic spray tool system with a turbine generator that produces electrical power and an inductive charging system for wireless power transmission to components, allowing for increased mobility and control through a controller that adjusts gas flow based on sensor feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electrical power is delivered through a power cord to the electrostatic spray tool, then the electrostatic spray tool can operate with stable power supply, but the mobility of the spray tool is limited and requires a local power source
Solution Approach 1:
The patent extracts the power source from the external power grid and local power source requirement by implementing a self-contained turbine generator system within the spray tool. The turbine generator converts kinetic energy from gas flow into electrical energy, eliminating the need for power cords and external power sources, thereby resolving the contradiction between power supply stability and mobility.
Solution Approach 2:
The spray tool serves itself by generating its own electrical power through the turbine generator system. The system uses the kinetic energy already present in the gas flow (used for spray atomization) to drive the turbine and generate electricity, making the system self-sufficient and eliminating dependence on external power sources, thus improving both mobility and power reliability.
2Adaptability or versatility
If extra weight is added onto the spray tool to provide power source, then the spray tool can operate independently, but the mobility and handling comfort are reduced and spray coating quality deteriorates
Solution Approach 1:
Instead of adding heavy battery packs or fuel tanks, the system uses the kinetic energy of the existing gas flow to generate electricity. The turbine generator harnesses the energy already present in the compressed air or gas used for spray atomization, converting it into electrical power. This approach enables independent operation without adding significant weight, as the 'fuel' (kinetic energy of gas flow) is already part of the spray process.
Solution Approach 2:
The gas flow serves dual purposes: it provides the kinetic energy needed for spray atomization and simultaneously drives the turbine generator to produce electrical power. This multi-functionality eliminates the need for separate power source components, maintaining spray tool lightness while achieving independent operation capability.
3Ease of operation
If turbine generator is integrated into the spray tool, then power can be generated on-demand improving mobility, but the device complexity increases
Solution Approach 1:
The patent merges the power generation function with the existing spray system by integrating the turbine generator into the gas flow path. The turbine is positioned to be driven by the same gas flow that serves spray atomization, combining two functions (spray delivery and power generation) into a single integrated system. This reduces overall complexity compared to having separate power source and spray systems.
Solution Approach 2:
The gas flow system performs multiple functions: it delivers the propellant for spray atomization and simultaneously drives the turbine generator to produce electrical power. This multi-functionality reduces the number of separate components needed, thereby managing system complexity while enabling mobility through self-generated power.
4Ease of operation
If inductive charging system is used for wireless power transmission, then the power transmission efficiency can be improved and mobility enhanced, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent extracts the need for physical power connections by implementing wireless inductive charging. The inductive charging system uses electromagnetic fields to transmit power without physical contact, eliminating power cords and connectors. This resolves the contradiction by enabling mobility enhancement through wireless power transmission while managing the added complexity through integrated design.
Solution Approach 2:
The inductive charging system uses electromagnetic fields as an intermediary to transmit power wirelessly between the power source and the spray tool components. This mediator approach enables contactless power transmission, improving mobility and ease of operation while the system integrates the electromagnetic coupling mechanism to manage the inherent complexity of wireless power transfer.
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
Enhances mobility and handling of the spray tool while maintaining high-quality coating transfer efficiency by generating power on-demand and optimizing energy distribution.
Implementation Method 1
a turbine generator configured to generate electrical power to electrostatically charge a spray
Implementation Method 2
turbine generator configured to generate electrical power
Implementation Method 3
an inductive charging system configured to wirelessly transmit the electrical power from the turbine generator to at least one electrical component of the electrostatic spray tool
Implementation Method 4
The electrostatics help to increase the transfer efficiency of the spray onto the target object
Implementation Method 5
electrostatic spray tool having a turbine generator configured to generate electrical power to electrostatically charge a spray
Data Source
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Figure 3~4
AI summary
A system may include an electrostatic spray tool having a turbine generator configured to generate electrical power to electrostatically charge a spray. The spray tool also may include a controller configured to monitor the electrical power from the turbine generator and to instruct a gas supply to vary a gas flow to the turbine generator based on feedback received from one or more sensors.