Tire Valve Stem Orientation Detection for Easy Inflation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing vehicle tire monitoring systems do not facilitate easy inflation or deflation of tires with low air pressure without requiring the operator to bend over, as they do not provide information on the orientation of the valve stem.
Innovation Solution
A vehicle tire monitoring system that includes a rotation sensor, input device, and signaling device, controlled by an electronic controller, which determines the angular orientation of the valve stem and alerts the operator to reposition it to an uppermost orientation for easier access, allowing for inflation or deflation without bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the valve stem orientation is not monitored or provided to the operator, then the system remains simple, but the operator must bend over to access the valve stem for inflation/deflation
Solution Approach 1:
The system incorporates a rotation sensor that continuously monitors valve stem orientation and provides feedback to the operator through visual indicators. When the valve stem is in the optimal uppermost position for inflation or deflation, the system signals this state, enabling the operator to perform maintenance without bending over. This feedback mechanism resolves the contradiction by adding minimal complexity (sensor + indicator) to achieve significant ease of operation.
Solution Approach 2:
The system enables the tire maintenance process to be self-guiding by automatically detecting valve stem orientation and providing directional guidance to the operator. The rotation sensor and indicator system work autonomously to identify when the valve stem is in the correct position, reducing the need for operator guesswork or physical bending to locate the valve stem, thus improving ease of operation with minimal added complexity.
2Loss of information
If the rotation sensor and orientation detection system are added, then the operator can be guided to the correct valve stem position, but the device complexity increases
Solution Approach 1:
The rotation sensor provides continuous orientation information about the valve stem, and this information is fed back to the operator through visual indicators. This feedback loop eliminates the loss of orientation information by making it visible and actionable, while the simplicity of the sensor-indicator connection minimizes the added system complexity.
Solution Approach 2:
The system replaces the need for mechanical inspection or physical manipulation to determine valve stem position with an electronic sensing and indication system. The rotation sensor electronically detects orientation and the indicator system communicates this information, substituting mechanical guesswork with electronic information processing, thereby recovering orientation information with relatively simple electronic components.
Data Source
AI summary
A vehicle tire monitoring system has an electronic controller in electronic communication with a rotation sensor, an input device and a signaling device. The electronic controller is configured to do at least the following. In response to the input device receiving a request to orient a valve stem of a tire with low air pressure to a predetermined orientation, the electronic controller determines that the valve stem is not currently in the predetermined orientation. The electronic controller operates the signaling device to provide a first signal to a vehicle passenger and/or the vehicle operator. Further, in response to receiving the request to orient the valve stem to the predetermined orientation and determining that the valve stem is currently in the predetermined orientation, the electronic controller operates the signaling device to provide a second signal indicating the need to rotate the tire to bring the valve stem to the predetermined orientation.