Filtration Filter Frame with Streaked Projections
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Solution Overview
Problem
Existing filtration filters require multiple fixing components to hold the frame members in place, increasing the number of components and complexity.
Innovation Solution
A filtration filter design featuring a metallic mesh with radially inner and outer portions, pinched by first and second frame members with a transition section that includes streaked projections, enhancing the holding force while reducing the number of components by increasing friction through the arrangement of these projections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If multiple fixing components are used to hold the frame members, then the holding force is sufficient, but the number of components increases and device complexity increases
Solution Approach 1:
The patent merges the holding function with the frame member structure itself by forming protrusions directly on the frame member surface. This integration eliminates the need for separate fixing components while maintaining sufficient holding force through the geometric interlocking features.
Solution Approach 2:
The patent changes the surface geometry parameters of the frame member by adding protrusions with specific dimensions and distributions. This modifies the physical interface between the frame member and the filtered object, increasing friction and mechanical interlocking without adding separate components.
2Reliability
If the frame members are designed to pinch the metallic mesh, then the metallic mesh is held securely, but additional fixing components are needed increasing device complexity
Solution Approach 1:
The securing function is merged into the frame member structure through integrated protrusions that directly engage with the metallic mesh. This eliminates the need for separate fixing components while maintaining secure holding through the geometric interlocking mechanism.
Solution Approach 2:
The frame member structure provides its own securing function through the protrusions that automatically engage with the metallic mesh during assembly, eliminating the need for additional fixing operations or components.
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 design effectively increases the holding force of the frame members with respect to the metallic mesh, reducing the need for multiple fixing components and simplifying the filtration filter structure, allowing it to be constituted with fewer components.
Implementation Method 1
The transition section include at least one streaked projection... increase the holding force of the first frame member and the second frame member with respect to the metallic mesh
Data Source
AI summary
A filtration filter comprises a metallic mesh having a circumferential shape and radially inner and outer portions. The metallic mesh is adapted to filter out a filtration target object contained in a fluid passing through the membrane. First and second frame members hold the outer portion there between so as to create first and second bent sections separated by a transition section extending between the first and second bent sections. The transition section includes at least one streaked projection.