Screen Carrier Element Tapered Support Tube
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Solution Overview
Problem
Existing screen carrier elements for filtration devices face issues with increased height due to thick intermediate plates, bending stresses on support tubes, difficult assembly and disassembly, and reduced filter area capacity, leading to inefficiencies in filter unit exchange and filtration performance.
Innovation Solution
The support tube features a protruding bearing section with a taper section that engages with a taper bore in the outlet channel, allowing for axial fixation and seal creation without pre-load, reducing torsion stress and facilitating easy assembly and removal of filter units, while enabling more disk filter elements to be integrated for increased filtration surface area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a thick intermediate plate is used to support the support tube, then the support tube is stabilized, but the overall height of the screen carrier element increases significantly
Solution Approach 1:
The invention extracts and eliminates the intermediate plate from the structure. Instead of using a thick intermediate plate to support the support tube, the support tube is directly mounted on the screen carrier element base, removing the unnecessary component that was causing the height increase while maintaining structural stability through direct attachment.
2Stability of the object's composition
If the support tube is screwed into the intermediate plate, then the support tube is fixed, but bending stresses from non-orthogonal melt flow cause deformations that complicate unscrewing and filter element exchange
Solution Approach 1:
The invention removes the screw connection and intermediate plate assembly, replacing them with a direct mounting system where the support tube is fixed to the screen carrier element base without threaded connections. This eliminates the complexity of unscrewing operations and filter element exchange while maintaining stable fixation.
Solution Approach 2:
Instead of screwing the support tube into the intermediate plate (complex assembly), the invention inverts the approach by having the support tube directly mounted on the base, making the assembly simpler and the disassembly easier for filter element replacement.
3Stability of the object's composition
If the support tube is screwed into the intermediate plate, then the support tube is secured, but the screw attachment process loses the time advantage of exchangeable screen carrier elements
Solution Approach 1:
The invention extracts the time-consuming screw attachment process by eliminating the threaded connection between the support tube and intermediate plate. The direct mounting system allows for rapid assembly and exchange of screen carrier elements, restoring the time advantage that was lost with the screw-based system.
4Stability of the object's composition
If the intermediate plate is used to press disk filter elements against the base, then the filter elements are secured, but the assembly and removal of the filter unit becomes more difficult
Solution Approach 1:
The invention removes the intermediate plate that was used to press and secure the disk filter elements. Instead, the filter elements are directly positioned and secured against the screen carrier element base, simplifying both the assembly and removal operations while maintaining proper filter element positioning and securing.
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
This design enhances the ease of filter unit exchange, reduces deformation and leaks, saves space, and increases the filtration surface area, ensuring efficient and reliable filtration performance by eliminating the need for complex screw attachments and maintaining a secure seal without pre-load.
Implementation Method 1
a seal is created along the whole of the taper sections, against the screen carrier element
Implementation Method 2
a semi-permeable filter medium that surrounds the hub and which is spread out to form a three-dimensional structure
Data Source
AI summary
The invention relates to a screen carrier element (100) for a filtration device comprising at least one screen cavity (101) for arranging at least one filter unit (10) therein, a support tube (15) having cut-outs (15.4) and a plurality of disk filter elements (11), each having a central hub (11.3) with which they are mounted on the support tube (15). A semi-permeable filter medium (11.1) surrounds the hub and is spread out to form a three-dimensional structure. At least one flow channel (11.4) extends in the hub element (11.5) from the main body enveloped by the filter medium (11.1) to the support tube (15), wherein the support tube (15) leads into an outlet channel (102) of the screen carrier element (100). The support tube (15) comprises a bearing section (15.1, 15.2) protruding from beneath the disk filter elements, and said bearing section can be inserted into the outlet channel (102) from the screen cavity (101). The outlet channel (102) is designed as a tapered bore over at least a part of the length thereof, which opens toward the screen cavity (101). At the same time, the bearing section of the support tube (15) has at least one tapered section (15.2) which engages with the tapered bore.