Wearable Spray System with Valve Control for Paint Application
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Solution Overview
Problem
Conventional liquid spray systems face issues with splashback and overspray, leading to inefficient paint application and the need for extensive masking of nearby surfaces, which increases time and cost.
Innovation Solution
A liquid spray system comprising a receptacle with a displacement member and an air pressurizing device, coupled with a spray applicator that includes a trigger-operated valve and a non-stick coating to minimize splashback and overspray, allowing for precise and efficient paint application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional spray systems are used to apply paint continuously, then painting efficiency is improved, but splashback and overspray increase
Solution Approach 1:
The patent introduces a controllable valve as an intermediary device between the paint reservoir and spray nozzle. This valve precisely regulates paint flow rate and timing, acting as a mediator that controls the paint delivery to match the spray application needs, thereby reducing excess paint that causes splashback and overspray while maintaining continuous spraying efficiency
Solution Approach 2:
The patent implements dynamic control of paint flow parameters (flow rate, pressure, timing) through the valve mechanism. By adjusting these parameters to optimal levels, the system maintains continuous spray application for efficiency while preventing excessive paint delivery that would cause splashback and overspray
2Manufacturing precision
If high-pressure spray systems are used to control paint application, then overspray is reduced, but the risk of splashback increases
Solution Approach 1:
The patent employs precise control of paint delivery parameters through the valve system, optimizing flow rate and pressure to achieve accurate edge finish control. By maintaining appropriate pressure levels without excessive force, the system prevents both overspray and splashback through parameter optimization
3Object-affected harmful factors
If masking is performed to prevent splashback and overspray, then nearby surfaces are protected, but time and cost efficiency decrease
Solution Approach 1:
The patent implements preliminary control measures by precisely regulating paint flow before it reaches the spray area. The valve system pre-controls the paint delivery to match exact application needs, preventing excess paint from causing splashback and overspray in the first place, thereby eliminating or reducing the need for subsequent masking activities
4Measurement precision
If conventional applicators like brushes or rollers are used, then painting accuracy is maintained, but painting speed decreases
Solution Approach 1:
The patent uses a controllable valve as an intermediary to enable continuous spray application while maintaining precision. The valve regulates paint flow to achieve accurate application similar to conventional applicators, but through continuous spray delivery rather than repeated dip-and-apply cycles, thereby significantly increasing painting speed
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 reduces splashback and overspray, enhancing application accuracy and efficiency, and can be easily transported and used, minimizing the need for extensive masking.
Implementation Method 1
an air pressurising device in fluid communication with the air contacting side of the displacement member and arranged to be operable to move the displacement member
Implementation Method 2
The main body suitably comprises a coating arranged on an air contacting side for preventing adhesion of the flexible membrane with the main body
Data Source
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AI summary
A liquid spray system (1a) and method of using a liquid spray system is shown. The spray system (1a) comprises a receptacle (100) for holding liquid to be sprayed, a support structure (200) for supporting the receptacle, a spray applicator (300) and an air pressurising device (400a) for driving the liquid out of the receptacle (100) and for mixing with the liquid at an outlet of the spray applicator (300). Preferably, the spray system is wearable on a user. Advantageously, the spray system is compact and versatile.