Filter Housing Connecting Tab and Receptacle Alignment
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Solution Overview
Problem
The assembly and mechanical stability of filter housings for fluid filtration systems, particularly in air filters for internal combustion engines, are complicated by the need for precise alignment and sealing of housing parts, which can be challenging due to tolerances and the size of conical oval filter elements.
Innovation Solution
The integration of connecting tabs and tab receptacles on the housing parts allows for easier assembly, mechanical stabilization, and precise alignment of the filter elements, with the connecting tabs serving as adjustment aids and guiding aids during assembly, and the tab receptacles providing a secure fit to compensate for tolerances and support the circumferential wall portions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If housing parts are separated for filter element replacement, then ease of operation is improved, but mechanical stability deteriorates
Solution Approach 1:
The housing is divided into multiple separable housing parts that can be easily assembled and disassembled. Connecting tabs and tab receptacles enable modular construction, allowing the housing to be segmented for filter element replacement while maintaining structural integrity when assembled.
Solution Approach 2:
Connecting tabs and tab receptacles are pre-formed during housing part manufacturing. These preliminary structural features enable quick and accurate assembly without requiring complex alignment procedures or additional fastening operations during maintenance.
2Ease of manufacture
If connecting tabs and tab receptacles are used for housing connection, then assembly ease is improved, but device complexity worsens
Solution Approach 1:
The connecting tab and tab receptacle features are integrated directly into the housing parts themselves during molding or forming operations. This merging of connection features with the housing structure eliminates the need for separate fastening components, reducing overall device complexity while maintaining ease of assembly.
Solution Approach 2:
The housing parts are designed to be self-aligning and self-securing through the connecting tab and tab receptacle mechanism. The tabs automatically guide alignment and secure the connection without requiring external tools or complex assembly procedures, making the housing structure self-sufficient.
3Stability of the object's composition
If connecting tabs provide mechanical stabilization, then stability is improved, but manufacturing precision worsens
Solution Approach 1:
The connecting tabs and tab receptacles are designed with built-in tolerance compensation features that accommodate manufacturing variations. The connection mechanism includes inherent flexibility or adjustment capacity that cushions against the effects of dimensional tolerances, allowing stable assembly even with moderate manufacturing precision.
Data Source
AI summary
A filter housing of a filter for air, water, fuel, oil or urea-water solution of an internal combustion engine, including: an inlet for fluid to be purified; andan outlet for purified fluid; a hollow filter element including a filter medium for filtering fluid, which surrounds an element interior space with respect to a filter axis, is exchangeably arranged so as to separate the inlet from outlet; wherein the filter housing has at least two housing parts, which can be partly be separated from one another in order to open up an installation opening of the filter housing for the hollow filter element; wherein at least one of the housing parts has connecting tab(s) and at least one other of the housing parts has a tab receptacle(s) adapted to a connecting tab(s) for the insertion of the at least one connecting tab for connecting the housing parts.