Lubrication Metering Control Using Adaptive Piston Stroke Sensing
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Solution Overview
Problem
Conventional piston metering devices require different piston detectors for various applications and are affected by environmental conditions, leading to inefficiencies and the need for recalibration.
Innovation Solution
A lubrication distribution assembly with a sensor that automatically detects piston stroke length over multiple cycles and a controller that sets an operating point based on this data, allowing for consistent control of lubrication distribution across different devices and conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional piston detectors are used for various applications, then different detectors are required for different applications, but this increases device complexity and requires recalibration
Solution Approach 1:
The patent implements a universal sensor system that can detect piston stroke length across different lubrication devices and applications. The sensor is designed to work with various piston dimensions and environmental conditions, eliminating the need for application-specific detectors. This universal approach allows one sensor design to serve multiple functions and applications, directly reducing device complexity while maintaining adaptability.
2Reliability
If conventional piston detectors are used, then recalibration is required under different environmental conditions, but this reduces system efficiency and increases maintenance time
Solution Approach 1:
The sensor system incorporates feedback mechanisms that continuously monitor piston stroke length and provide real-time data to the control system. This feedback allows the system to automatically adjust for environmental variations without requiring manual recalibration. The control system uses the detected stroke length information to maintain accurate lubrication dosing despite changes in temperature, pressure, or other environmental conditions, thereby preserving detection accuracy while eliminating recalibration time.
3Measurement precision
If piston detectors are used to control lubrication, then environmental conditions affect detection accuracy, but this reduces measurement precision
Solution Approach 1:
The sensor system is designed to detect and compensate for parameter changes caused by environmental conditions. By monitoring piston stroke length across varying temperatures, pressures, and other environmental factors, the system can adjust its measurements to maintain precision. The control system processes the detected stroke length data and compensates for environmental influences, ensuring accurate lubrication dosing regardless of external conditions.
Data Source
AI summary
A lubrication distribution assembly is provided. The lubrication distribution assembly includes a lubrication metering device, which includes a piston. The lubrication distribution assembly also includes a sensor and a controller. The sensor automatically detects a piston stroke length of the piston over at least two movement cycles of the piston. The controller receives the piston stroke length from the sensor, sets an operating point of the piston based on the piston stroke length, and controls the lubrication metering device by utilizing the set operating point.