Fuel Filter Water Detector Torque Transfer Joint
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Solution Overview
Problem
Existing water level detectors for fuel filters with two bodies face challenges in securing a joint that is both simple and effective without being expensive, as current methods are either ineffective or overly complex.
Innovation Solution
The solution involves torque transfer means with protrusions and housings, and attachment means with tabs and slots, which provide secure relative positioning and axial retention between the two bodies, using beveled designs for easy insertion and snap-fitting to ensure a robust yet efficient joint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If simple joint methods are used between the two bodies, then the manufacturing cost is reduced and the structure is simplified, but the joint effectiveness is insufficient and cannot prevent undesired separations
Solution Approach 1:
The joint structure is divided into multiple functional elements: protrusions with bevelling for insertion guidance, housings for receiving protrusions, tabs for axial retention, and slots for tab insertion. This segmentation allows each element to perform its specific function efficiently, achieving reliable connection through simple individual components
Solution Approach 2:
Multiple joint functions are combined into a single integrated structure. The protrusions and housings simultaneously provide radial positioning and torque transfer, while tabs and slots provide axial retention. This merging eliminates the need for separate fastening components, reducing manufacturing complexity while maintaining joint security
2Reliability
If effective joint methods are used between the two bodies, then the joint security is improved, but the structure becomes complex and expensive
Solution Approach 1:
The joint structure is designed to be self-aligning and self-securing. The bevelling on protrusions automatically guides them into the housings during assembly, while the tabs snap into slots to provide automatic axial retention. This self-service mechanism eliminates the need for complex alignment tools or additional fastening operations
Solution Approach 2:
The joint uses simple, easily manufacturable features (protrusions, housings, tabs, slots) that can be produced as integral parts of the detector bodies using standard manufacturing processes. These features provide reliable joining without requiring expensive specialized components or complex assembly procedures
Data Source
AI summary
A water level detector for fuel filters which has a first body and a second body, the first body and the second body being able to be joined together, jointly forming an outer enclosure of the water level detector; and components to detect water in the fuel filters housed by the outer enclosure. The water level detector also includes a plurality of protrusions and housings adapted to transmit relative turning of the first body and the second body together, jointly forming the outer enclosure, and a plurality of tabs and slots adapted to establish axial retention, such that the first body and the second body remain joined together, the first body and the second body jointly forming the outer enclosure.