Porous Foaming Element Assembly for Consistent Foam Quality
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Solution Overview
Problem
Existing foam dispensers have a high number of components and do not consistently produce high-quality foam, which increases manufacturing costs and reduces efficiency.
Innovation Solution
A foaming assembly with a porous foaming element having zones of different pore sizes, integrated with a liquid and air chamber, where air and liquid mix under pressure to form foam, reducing the number of components and improving foam quality by using a compressible material with varying pore sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional foam dispensers use multiple separate components for mixing air and liquid, then the mixing process can be controlled, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent merges multiple separate components (mixing chamber, foaming element, air inlet, liquid inlet) into a single integrated porous foaming element. This consolidation reduces the number of parts while maintaining the foam generation function through the porous structure that simultaneously handles air and liquid flow and mixing.
Solution Approach 2:
The porous foaming element serves multiple functions simultaneously: it acts as a mixing chamber, a foaming element, and a flow distributor for both air and liquid. This multi-functionality eliminates the need for separate components while ensuring consistent foam quality through its designed pore structure.
2Ease of manufacture
If a single porous foaming element is used to reduce components, then manufacturing cost decreases, but achieving consistent high-quality foam becomes more difficult
Solution Approach 1:
The porous foaming element incorporates zones with different pore sizes to optimize foam quality locally. By varying the pore structure within different regions of the same component, the element can control air and liquid distribution to produce consistent high-quality foam while maintaining a single integrated structure for ease of manufacture.
3Productivity
If air and liquid are forced under pressure through the porous foaming element, then foam generation efficiency improves, but the requirement for precise pressure control increases
Solution Approach 1:
The porous foaming element is designed to self-regulate the mixing process by utilizing the natural flow of air and liquid through its porous structure. The pressure differential automatically drives the mixing without requiring complex external pressure control mechanisms, thereby improving foam generation efficiency while minimizing device complexity.
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 solution reduces the number of components and enhances foam quality by forcing air and liquid under pressure through the porous foaming element, resulting in a more efficient and cost-effective foam dispenser with improved foam quality.
Implementation Method 1
Liquid and air are forced into the porous foaming element under pressure and air from the air inlet and liquid from the liquid inlet mix in the porous foaming element to form foam
Implementation Method 2
The porous foaming element has an air inlet, a liquid inlet and an outlet. The porous foaming element has at least two zones of different pore sizes
Data Source
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AI summary
A foaming assembly includes a porous foaming element, a liquid chamber and an air chamber. The porous foaming element has an air inlet, a liquid inlet and an outlet and it has at least two zones of different pore sizes. The liquid chamber is in flow communication with the porous foaming element. The liquid chamber has a volume that is movable between an at rest position to an activation position. The air chamber is in flow communication with the porous foaming element. The air chamber has a volume that is movable between an at rest position to an activation position. Liquid and air are forced into the porous foaming element under pressure and air from the air inlet and liquid from the liquid inlet mix in the porous foaming element mix to form foam which exits through the outlet. A dispenser may include a foaming assembly and a liquid container.