Breakdown Assistance System Compressor Overheating Prevention
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Solution Overview
Problem
Existing tire repair systems are cumbersome and inefficient, often requiring a spare wheel, extensive tools, and manual effort, with difficulty in assessing damage and potential compressor overheating during repair.
Innovation Solution
A method and system that automatically switches between inflation and sealing modes based on pressure differences, using an electronic control device to manage compressor operation and sealant supply, ensuring safe and efficient tire repair without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stress or pressure
If the compressor operates continuously to inflate the tire, then the tire pressure increases, but the compressor may overheat
Solution Approach 1:
The system continuously monitors the pressure difference between the tire and the reference pressure, and automatically adjusts the compressor operation based on this feedback. When the pressure difference falls below the threshold, the compressor is switched off, preventing overheating while ensuring adequate inflation.
Solution Approach 2:
The system automatically determines when to start and stop the compressor based on the measured pressure difference, eliminating the need for manual intervention and preventing compressor overheating through self-regulation.
2Reliability
If the sealant is supplied to seal the tire damage, then the tire can be repaired, but the compressor may expel the sealant if the damage is too great
Solution Approach 1:
The system first measures the pressure difference to assess the extent of the damage before supplying sealant. This preliminary assessment allows the system to determine whether the damage is suitable for sealing, preventing unnecessary sealant supply in cases of excessive damage.
Solution Approach 2:
The system uses the pressure difference measurement as feedback to control the sealant supply. When the pressure difference is below the threshold, the sealant is supplied; when above, the sealant supply is prevented, avoiding sealant expulsion.
3Reliability
If the operator manually assesses the damage to determine repairability, then the repair can be targeted, but the operation becomes complex and time-consuming
Solution Approach 1:
The system automatically assesses the damage suitability by measuring the pressure difference and comparing it to the threshold, eliminating the need for manual assessment by the operator and simplifying the operation.
Solution Approach 2:
The manual assessment process is replaced by an automated electronic measurement system that uses pressure sensors and microcontrollers to determine whether the damage is suitable for sealing, reducing operational complexity.
4Stress or pressure
If the compressor operates for a long time to ensure adequate inflation, then the tire is fully inflated, but the compressor may overheat
Solution Approach 1:
The system uses continuous pressure difference measurement as feedback to control the compressor operation duration. When the pressure difference falls below the threshold, the compressor is automatically switched off, preventing overheating while ensuring adequate inflation.
Solution Approach 2:
The manual control of compressor duration is replaced by an automated electronic control system that uses pressure sensors and microcontrollers to determine the exact moment to stop the compressor, optimizing both inflation and preventing overheating.
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
The system simplifies and automates tire repair, preventing compressor overheating and ensuring only suitable damage is addressed, making it safer and more efficient for emergency use.
Implementation Method 1
a sealant that coagulates in the tire, usually a milky latex mixture
Implementation Method 2
a compressor for sealing and inflating inflatable objects
Data Source
AI summary
The method involves a switching on a compressor in a mode of operation, for e.g. inflating and sealing, measuring a pressure in an inflatable article, and starting the compressor. Another pressure is measured in the inflatable article according to a run time duration of the compressor, where the difference of the pressure is determined. The difference of pressure is compared with a threshold value for the differential pressure. An independent claim is also included for a car breakdown assistance system for sealing and inflating of motor vehicle tire.