Replaceable Spray Cartridge Assembly for Consistent Air-Driven Spraying
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Solution Overview
Problem
Existing paint spraying systems face challenges such as inconsistent spray consistency due to varying can conditions, manual refilling requirements, clogging issues, and environmental pollution from volatile organic compounds, making them difficult to operate and maintain.
Innovation Solution
A handheld portable fluid spraying system with interchangeable, pre-filled disposable cartridge assemblies that include a cartridge and valve, powered by an air source and actuator, allowing for consistent spray without manual refilling or cleaning, and minimizing environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional spray cans are used, then portability and simplicity are improved, but spray consistency deteriorates due to varying can conditions
Solution Approach 1:
The system divides the spraying device into two segments: a reusable base assembly that maintains consistent air pressure and spray mechanism, and replaceable cartridges that contain the fluid. This segmentation ensures that the critical spray consistency functions remain constant while allowing easy replacement of fluid containers.
Solution Approach 2:
The invention uses disposable cartridges containing the fluid instead of traditional refillable spray cans. These pre-filled cartridges are discarded after use, eliminating the problems of varying can conditions while maintaining portability and simplicity of operation.
2Device complexity
If manual refilling is used, then device complexity is reduced, but productivity deteriorates due to refilling and cleaning time
Solution Approach 1:
The cartridges are pre-filled with the required amount of fluid before use. This preliminary action eliminates the need for manual refilling during operation, allowing users to simply replace cartridges when empty, thereby maintaining simplicity while significantly improving productivity.
3Ease of manufacture
If traditional spray systems are used, then cost is reduced, but environmental harm increases due to volatile organic compounds
Solution Approach 1:
The disposable cartridges are designed for single use and then discarded, preventing the accumulation and reuse of volatile organic compounds that occur with traditional refillable systems. The low cost of these disposable units makes this environmentally friendly approach economically viable.
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 consistent paint spraying, eliminates the need for manual refilling and cleaning, and reduces environmental pollution by using disposable cartridges that can be easily replaced, maintaining operational efficiency and convenience.
Implementation Method 1
a first portion of the airflow is provided to the first disposable cartridge assembly to pressurize the first disposable cartridge assembly
Implementation Method 2
a second portion of the airflow is provided to the nozzle
Data Source
AI summary
A handheld portable fluid spraying system includes a first disposable cartridge assembly having a first cartridge coupled to a first cartridge assembly body and a first valve coupled to the first cartridge assembly body. The handheld portable fluid spraying system also includes a base assembly comprising an air source configured to generate an airflow. A first portion of the airflow is provided to the first disposable cartridge assembly to pressurize the first disposable cartridge assembly and a second portion of the airflow is provided to a nozzle. The handheld portable fluid spraying system also includes a second disposable cartridge assembly having a second cartridge coupled to a second cartridge assembly body and a second valve coupled to the second cartridge assembly body. The first and second disposable cartridge assemblies are interchangeably connectable to the base assembly.