Filter Element Central Element Angular Alignment
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Solution Overview
Problem
Existing filter systems face challenges in ensuring simple and secure alignment during assembly, which affects reliable electrical contact of filter elements within the filter housing.
Innovation Solution
A filter element with a rotatably arranged central element featuring positioning elements that interact with counter positioning elements in the filter housing to fix the central element in a defined angular position, enabling secure alignment and electrical contact during assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a filter element is installed in a filter housing with electrical connector elements, then electrical connection can be achieved, but alignment and positioning during assembly becomes complex and error-prone
Solution Approach 1:
A central element is introduced as an intermediary component between the filter bellows and the upper housing part. This central element carries positioning elements that interact with counter positioning elements in the housing, mediating the alignment process and ensuring precise angular positioning of the filter element relative to the electrical connector elements.
Solution Approach 2:
Positioning elements are pre-arranged on the central element at specific angular positions before assembly. During assembly, these pre-positioned elements automatically engage with the counter positioning elements in the housing, performing the alignment action preliminarily before the final installation position is reached, thereby ensuring correct electrical connector alignment.
2Manufacturing precision
If the filter element is rotated during assembly to achieve electrical contact, then alignment is improved, but the risk of misalignment or damage to electrical connectors increases
Solution Approach 1:
The central element is designed to rotate independently within the filter bellows during the assembly process. This independent rotation capability cushions the alignment process, allowing the positioning elements to gradually engage with the counter positioning elements without forcing misaligned electrical connectors together, thereby preventing damage.
Solution Approach 2:
The system transitions from a static alignment approach to a dynamic one. The central element can rotate dynamically during assembly to achieve the correct angular position, with the positioning elements guiding this rotation and engagement process, making the alignment adaptable and self-correcting rather than rigid and error-prone.
Data Source
AI summary
A filter element (10) has a filter bellows (12) arranged about the longitudinal axis (L) and having a first end disk (14) on a first end face (26), and a second end disk (16) on a second end face (28). A central element (20) is arranged rotatably about the longitudinal axis (L) relative to the filter bellows (12) in the interior (18) of the filter bellows (12). The central element (20) has one or multiple positioning elements (22, 24) which interact with counter positioning elements (116, 118) of an upper housing part (114) to fix the central element in the upper housing part (114) in a defined angular position. The central element (20) has at least one electrical connector element (32) on the element, electrically contacting at least one electrical connector element (120) on the housing.