Clutch Wear Compensation Sensor Element Design
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Solution Overview
Problem
Existing wear compensation mechanisms for clutches are complex and expensive due to their structural configuration, particularly in the displacing mechanism for ramp units, which complicates the detection of wear in the axial direction.
Innovation Solution
A sensor element formed of multiple rotatably connected parts redirects wear detection from axial to circumferential direction, allowing simpler construction of other mechanism components, with a drive element integrated into the sensor component, eliminating the need for a blocking element or pawl, and using preloaded sensor parts to maintain an initial position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a traditional sensor element is used for wear detection in axial direction, then wear can be detected, but the displacing mechanism becomes complicated and expensive
Solution Approach 1:
The sensor element is designed to detect wear in the circumferential direction rather than the axial direction. This dimensional change allows the sensor to interact with the ramp unit in a way that automatically converts circumferential movement into axial displacement, eliminating the need for complex blocking elements or pawl mechanisms while maintaining accurate wear detection capability
2Reliability
If a blocking element or pawl mechanism is used to displace the ramp unit, then wear compensation is achieved, but the device becomes more complex and expensive
Solution Approach 1:
The sensor element and the drive element for the ramp unit are merged into a single integrated component. The sensor element directly engages with the ramp unit and transfers movement without requiring separate blocking elements, pawls, or additional fastening mechanisms, thereby achieving reliable wear compensation while minimizing device complexity
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 approach reduces the complexity and cost of the wear compensation mechanism while effectively sensing wear in both clutch lining and housing, allowing for efficient displacement of ramp units to compensate for wear without altering other clutch components.
Implementation Method 1
at least two sensor component parts are rotatably connected to one another
Implementation Method 2
using preloaded sensor parts to maintain an initial position
Data Source
AI summary
A clutch for a motor vehicle with a wear compensation mechanism which includes a sensor element for detecting wear, wherein the sensor element is formed of a plurality of parts, and at least two sensor component parts are rotatably connected to one another.