Aircraft Tire Pressure Optimization for Overinflation Reduction
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Solution Overview
Problem
Aircraft tires often operate with overinflation due to conservative pressure ranges set in aircraft maintenance manuals, leading to more frequent inflation, increased nitrogen gas usage, and faster tire tread wear.
Innovation Solution
A tire inflation optimization apparatus that determines an optimum inflation pressure for aircraft tires based on future flight schedules, historical tire gas and schedule information, and reference pressures, minimizing overinflation while preventing underinflation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conservative pressure ranges are used in aircraft maintenance manuals to prevent underinflation, then tire safety is improved, but tires become overinflated more frequently leading to increased nitrogen gas consumption and faster tire tread wear
Solution Approach 1:
The patent implements a dynamic tire inflation system that adjusts pressure recommendations based on real-time sensor data (temperature, pressure, load) and predictive analytics. Instead of using fixed conservative pressure ranges, the system continuously adapts the optimal pressure setting to current operating conditions, allowing lower pressures when conditions permit while maintaining safety margins, thereby reducing nitrogen consumption and tire wear
Solution Approach 2:
The system performs preliminary predictive analysis using historical data and forecasted operating conditions to determine optimal inflation pressures before actual flight operations. By pre-calculating the minimum safe pressure based on anticipated temperature changes, load variations, and flight schedules, the system avoids unnecessarily high pressure settings while ensuring safety, thus reducing gas consumption and tire degradation
2Reliability
If conservative pressure ranges are used in aircraft maintenance manuals to prevent underinflation, then tire safety is improved, but tire tread wear increases and replacement frequency increases
Solution Approach 1:
The system dynamically adjusts tire pressure recommendations based on real-time monitoring of temperature, pressure, and load conditions combined with predictive analytics. By optimizing pressure to match actual operating conditions rather than using fixed conservative values, the system reduces excessive pressure that causes accelerated tread wear, thereby extending tire service life while maintaining safety through continuous monitoring and adaptive pressure management
Solution Approach 2:
The patent implements a closed-loop feedback system using sensors to continuously monitor tire pressure, temperature, and load conditions. This real-time feedback is fed into the predictive analytics engine which adjusts pressure recommendations to prevent both underinflation (safety issue) and overinflation (wear issue). The feedback mechanism enables precise pressure control that extends tire life while maintaining safety margins
3Ease of operation
If fixed reference pressures are used for tire inflation, then inflation process is simplified, but tires cannot be optimized for specific flight conditions leading to overinflation
Solution Approach 1:
The system enables self-service automatic pressure optimization by integrating sensors, predictive analytics, and control mechanisms that automatically determine and adjust optimal tire pressure based on real-time conditions and forecasted operations. The system serves itself by autonomously analyzing data from multiple sources (temperature sensors, pressure sensors, load data, flight schedules) and making intelligent pressure recommendations without requiring manual intervention, thus achieving both simplicity and adaptability
Solution Approach 2:
The patent creates a universal tire management system that handles multiple functions: monitoring, prediction, optimization, and control. The same system architecture serves different tire types, aircraft configurations, and operating conditions through a unified predictive analytics platform, making the complex optimization process as simple as using a standardized multi-functional tool across various scenarios
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 solution effectively reduces the time aircraft spend with overinflated tires, conserving nitrogen gas and extending tire life, while ensuring the tires remain adequately inflated.
Implementation Method 1
Tire pressure varies with temperature, and in particular increases with increasing temperature
Data Source
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AI summary
There is provided a tire inflation optimisation apparatus configured to determine an optimum inflation pressure for a tire installed on an aircraft. The apparatus comprises a memory and a controller. The memory stores information relating tire gas properties to aircraft schedule parameters and a reference pressure for the tire. The controller is configured to receive future schedule information indicative of a future flight schedule for the aircraft and to determine an optimum inflation pressure for the tire based on the received future schedule information, the stored information relating tire gas properties to aircraft schedule parameters, and the stored reference pressure.