Vehicle Tire Inflation System Using Air Jacket and Pressure Monitoring
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Solution Overview
Problem
Vehicle tires often lose air pressure, leading to inefficient re-inflation methods that do not automatically detect and respond to pressure thresholds, potentially causing safety issues and inconvenience.
Innovation Solution
An air jacket integrated within a vehicle wheel, coupled with a tire pressure monitoring system, automatically releases compressed air when tire pressure drops below a first threshold and stops when it reaches a second threshold, ensuring the tire is reinflated and alerting the driver if pressure remains low.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual tire pressure checking and inflation is used, then the system is simple, but the convenience and safety are reduced due to lack of automatic detection and response
Solution Approach 1:
The tire pressure monitoring system automatically detects when tire pressure drops below the threshold and activates the air horn to inflate the tire, enabling the system to service itself without human intervention. The sensor continuously monitors pressure and triggers the inflation mechanism autonomously when needed.
Solution Approach 2:
The system incorporates a feedback loop where the pressure sensor continuously monitors tire pressure and provides information to the control mechanism. When pressure drops below the threshold, the system receives feedback and automatically activates the air horn to restore pressure, creating a closed-loop control system that maintains optimal tire pressure.
2Reliability
If no automatic inflation system is installed, then the device complexity is low, but the reliability and safety are worsened due to potential safety issues from low tire pressure
Solution Approach 1:
The system takes preliminary action by continuously monitoring tire pressure and automatically initiating inflation before the tire pressure becomes critically low. The air horn is activated preemptively when pressure drops below the threshold, preventing safety issues before they occur rather than responding after damage is done.
Solution Approach 2:
The tire pressure monitoring system with integrated air horn enables the tire to self-inflate when pressure drops, eliminating the need for manual intervention and ensuring reliable operation. This self-service capability significantly improves safety by maintaining proper tire pressure automatically.
3Productivity
If manual tire inflation is used, then the manufacturing cost is low, but the productivity is reduced due to time wasted on manual checks and inflation
Solution Approach 1:
The automatic tire inflation system eliminates the need for manual checking and inflation by enabling the system to monitor and maintain tire pressure autonomously. The sensor detects pressure drops and triggers the air horn automatically, saving time and improving productivity despite higher manufacturing costs.
Solution Approach 2:
The continuous feedback mechanism from the pressure sensor to the control system enables automatic response to pressure changes, eliminating the need for manual intervention. This feedback-driven automation improves time efficiency by instantly responding to pressure drops without human delay.
4Reliability
If the air horn is activated continuously, then the tire pressure is maintained, but the energy consumption increases
Solution Approach 1:
The air horn operates periodically rather than continuously, activating only when the pressure sensor detects that tire pressure has dropped below the threshold. The system cycles between monitoring and inflating, consuming energy only when needed to maintain pressure, thus reducing overall energy consumption while ensuring reliable pressure maintenance.
Solution Approach 2:
The feedback mechanism ensures the air horn is activated only when necessary - when pressure drops below the threshold. The system continuously monitors and activates the inflation mechanism selectively, maintaining tire pressure reliably while minimizing energy consumption by avoiding unnecessary continuous operation.
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 effectively maintains optimal tire pressure, enhancing safety and convenience by automatically re-inflating tires and alerting drivers to low pressure conditions, reducing the need for manual checks and ensuring tires remain within recommended pressure ranges.
Implementation Method 1
The air jacket may determine that a tire of the wheel has at least partially deflated by sensing that tire pressure within the wheel has dropped below a first pressure threshold
Implementation Method 2
The air jacket may release compressed air within the wheel until the air jacket senses that the tire pressure has reached a second pressure threshold such that the tire may be reinflated
Data Source
AI summary
The vehicle tire inflation system comprises an air jacket and an air hose. The air jacket may reside within a wheel of a vehicle and may be mounted to the inside of a rim of the wheel. The air jacket may determine that a tire of the wheel has at least partially deflated by sensing that tire pressure within the wheel has dropped below a first pressure threshold. The air jacket may release compressed air within the wheel until the air jacket senses that the tire pressure has reached a second pressure threshold such that the tire may be reinflated. The air hose may be configured to couple the air jacket to a tire pressure monitoring system such that the air jacket has access to an external air supply located outside of the wheel via the tire pressure monitoring system.