Pneumatic Clutch Wear Measurement Through Pressure Gap Detection
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Solution Overview
Problem
Current methods for measuring wear in pneumatic clutches require disassembly of the air compressor, leading to prolonged vehicle immobilization and unknown downtime, as wear is only checked during system dysfunction.
Innovation Solution
A method involving an actuation device with a pressure chamber filled with pressurized fluid to measure the gap between the contact part and the biasing member, which represents the wear of the friction disks, allowing for reliable and rapid wear measurement without disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If wear measurement is performed by disassembling the air compressor, then measurement reliability is improved, but vehicle downtime increases and productivity decreases
Solution Approach 1:
The invention extracts the wear measurement function from the disassembly process by introducing a dedicated measurement device that can access the clutch through the existing access port. The measurement device includes a measurement probe that can be inserted through the access port to directly measure the friction disk wear without requiring disassembly of the air compressor, thereby maintaining measurement reliability while eliminating productivity loss.
Solution Approach 2:
The invention introduces a measurement device as an intermediary between the operator and the clutch wear condition. This device includes a measurement probe that transmits measurement signals through the access port to indicate wear levels, serving as a mediator that enables accurate wear assessment without direct contact with or disassembly of the clutch assembly.
2Measurement precision
If wear measurement requires system disassembly, then measurement accuracy is improved, but maintenance time increases
Solution Approach 1:
The invention implements preliminary action by providing quick-connect measurement devices and pre-configured measurement probes that can be rapidly deployed through the access port. The measurement device is designed with quick-connect interfaces and pre-calibrated probes, allowing measurement to be performed immediately without time-consuming disassembly or preparation procedures.
3Device complexity
If wear is only checked during dysfunction, then system complexity is reduced, but reliability of operation decreases
Solution Approach 1:
The invention implements feedback by providing visual indicators (such as colored bands or windows on the measurement device) that immediately display wear status. The measurement device includes reference marks and indicator elements that provide real-time feedback on wear levels, allowing operators to assess clutch condition quickly and take preventive action before dysfunction occurs, thereby maintaining system reliability without adding complex monitoring systems.
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
Enables periodic and potentially continuous monitoring of clutch wear, reducing downtime by allowing for proactive maintenance and preventing unexpected failures.
Implementation Method 1
a pressure chamber configured to be reversibly filled with pressurized fluid so as to reciprocate the piston part within the housing
Implementation Method 2
a biasing member urging the interface member towards the engaged position
Data Source
AI summary
Method for measuring wear of a clutch includinga casing,a first shaft member including a friction disk,a second shaft member,an interface member mounted on the second shaft member and including a friction disk,a biasing member urging the interface member towards the engaged position,an actuation device including a contact part moveable between a rest position in which a gap exists between the contact part and the biasing member, and an active position in which the contact part is in contact with the biasing member so as to let the interface member move towards the disengaged position,the wear measurement method includinginjecting pressurized fluid so as to put the contact part in contact with the biasing member,measuring an injection parameter related to the gap,determining the gap based on the injection parameter.