Adjustable Foaming Element for Rapid Foam Consistency Control
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Solution Overview
Problem
Existing foam sprayers lack an efficient method to adjust the consistency of the foam produced, requiring time-consuming disassembly and replacement of felt pads, leading to suboptimal work results and unnecessary liquid usage.
Innovation Solution
A foaming unit with a hydraulically connected foaming element whose active volume is adjustable by changing the relative position of a control edge and end face, allowing for quick adjustment of foam consistency without disassembling the sprayer, by controlling the length of the flow path of the propellant and liquid through the element.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different felt discs are arranged in series and the number of felt discs is changed to adjust foam consistency, then the foam consistency can be adjusted, but the sprayer head must be disassembled and reassembled which is time-consuming
Solution Approach 1:
The patent applies the dynamics principle by making the foaming element movable within the spray head rather than fixed. The foaming element can be adjusted axially to change its active volume, allowing foam consistency adjustment without disassembling the spray head. This dynamic adjustment mechanism resolves the contradiction by enabling adaptability while eliminating the time-consuming disassembly process.
Solution Approach 2:
The patent segments the foaming element into a movable component that can be independently adjusted within the spray head assembly. This segmentation allows the foaming element to be positioned at different locations to change the active volume, providing foam consistency adjustment without requiring disassembly of the entire spray head, thus reducing the time loss associated with reconfiguration.
2Adaptability or versatility
If felt pads are replaced or added to adjust foam consistency, then the desired foam consistency can be achieved, but the process is impractical and users often fail to adjust properly
Solution Approach 1:
The movable foaming element allows users to adjust foam consistency dynamically by simply moving the element to different positions, eliminating the need to disassemble and replace felt pads. This significantly improves ease of operation while maintaining full adaptability for achieving the desired foam consistency.
Solution Approach 2:
The system enables self-service adjustment where users can directly control the foaming element position to achieve the desired foam consistency without requiring technical knowledge of disassembly procedures or replacement of internal components, making the adjustment process both easy and reliable.
3Adaptability or versatility
If the active volume of the foaming element is changed by replacing felt pads, then foam consistency is adjusted, but working time is lost and liquid consumption increases
Solution Approach 1:
The dynamic adjustment capability of the movable foaming element allows instant changes in active volume without stopping work to replace components. Users can adjust foam consistency on-demand, maintaining continuous productivity while adapting to different foam requirements, thus eliminating the productivity loss associated with component replacement.
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
Enables easy and quick adjustment of foam consistency across a wide range, ensuring optimal results without the need for disassembly, saving time and reducing liquid usage.
Implementation Method 1
The foaming element is a body made of a porous material. When the liquid, along with the propellant, is forced through this porous material at sufficient pressure, the desired foam is produced upon exiting the foaming element.
Implementation Method 2
When the liquid, along with the propellant, is forced through this porous material at sufficient pressure
Implementation Method 3
The slide valve serves to open or close an inlet, thereby switching the pressure sprayer on or off.
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3~4
AI summary
The invention relates to a foaming unit, by which it is possible to adjust the foam produced in a foaming element (6) simply and rapidly in respect of strength and dryness.