Filter Layer Recesses for Tilting Prevention
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Solution Overview
Problem
Current sheet filtration devices face challenges in aligning filter layers correctly, leading to tilting and inefficiencies in assembly, which can result in non-congruent alignment and increased material costs due to oversized filter layers.
Innovation Solution
Incorporating recesses on the filter layers that align with guide elements in the filtration device, allowing for precise horizontal and vertical alignment without tilting, enabling independent width selection and easy insertion/removal of layers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If filter layers are aligned using lateral support rods, then the filter layers can be positioned horizontally, but the filter layers may tilt leading to non-congruent alignment
Solution Approach 1:
The alignment function is segmented between guide elements (providing horizontal positioning) and recesses with lateral abutment surfaces (providing vertical and angular stability). This division of functionality prevents tilting while maintaining horizontal alignment precision.
Solution Approach 2:
The recesses with lateral abutment surfaces act as intermediaries between the filter layer and the support structure. These recesses receive the layer supports and prevent tilting by providing lateral abutment, thereby ensuring stable congruent alignment without direct contact between support rods and filter layer edges.
2Manufacturing precision
If filter layers are manually aligned, then correct positioning can be achieved, but the assembly process becomes time-consuming and inefficient
Solution Approach 1:
The filter layers are designed with recesses that automatically engage with layer supports during insertion. This self-aligning mechanism eliminates the need for manual adjustment while ensuring precise congruent positioning, thereby maintaining alignment accuracy without sacrificing assembly speed.
Solution Approach 2:
The recesses with lateral abutment surfaces are pre-formed on the filter layers during manufacturing. This preliminary preparation enables automatic alignment during assembly, eliminating the need for time-consuming manual adjustment operations while ensuring precise positioning.
3Ease of manufacture
If the width of filter layers is determined by the distance between support rods, then the layers can be supported, but the filter layers become significantly oversized increasing material costs
Solution Approach 1:
The alignment and support function is moved from the horizontal dimension (distance between support rods determining layer width) to the vertical dimension (recesses receiving layer supports from below). This dimensional shift allows filter layers to be sized precisely to the filter element width without requiring excessive width for support accommodation.
Data Source
Figure 1~2
Figure 3~4
Figure 5a~5b
AI summary
The invention relates to a filter layer (1) for use in a layer filter. The filter layer (1) has at least one, preferably at least two cutout(s) (3) on at least one side. The invention further relates to a device (10) for layer filtration by means of at least one filter layer (1) according to the invention, wherein the device (10) comprises a frame (22) that has at least one layer support (16) extending below the at least one filter layer (1), wherein the number and the spacing of the layer supports (16) correspond to the number and the spacing of the cutouts (3) of the at least one filter layer (1).