Multi-Function TPMS Torque Tool Integrating Sensor Database
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Solution Overview
Problem
Service technicians face inefficiencies and inaccuracies when servicing tire pressure monitoring system (TPMS) sensors due to the need for multiple tools and the complexity of identifying and installing correct sensors, often leading to improper torque application and increased repair time.
Innovation Solution
A multi-functional TPMS torque tool that integrates various tools and includes a database for quick identification of sensor information, providing accurate torque specifications and a user interface for efficient installation and replacement of TPMS sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple distinct tools are used to service TPMS sensors, then the service can be completed with basic tool availability, but the service time increases and efficiency decreases
Solution Approach 1:
The patent combines multiple distinct TPMS service tools (torque wrench, valve stem wrench, grommet removal tool, screwdriver, and specialty sockets) into a single integrated multi-functional tool. The tool features a modular design with interchangeable attachments that can be quickly swapped to perform different functions, eliminating the need for technicians to use multiple separate tools and thereby improving service efficiency while reducing tool complexity.
Solution Approach 2:
The patent creates a universal TPMS service tool that can perform multiple functions including torque application, valve stem manipulation, grommet removal, and sensor installation. The tool incorporates a database and display system that provides sensor identification and torque specification lookup, making it a multi-functional device that replaces several specialized tools and enhances overall productivity.
2Measurement precision
If technicians research torque specifications for each TPMS sensor, then accurate installation is achieved, but service time increases significantly
Solution Approach 1:
The patent pre-stores torque specifications and sensor information in a database within the tool before service operations begin. When a sensor is identified (through various input methods), the corresponding torque specification is automatically retrieved and displayed, eliminating the need for technicians to perform preliminary research during the service process.
Solution Approach 2:
The tool performs automatic torque specification lookup and display based on sensor identification. The system self-services the technician by providing the required information without external research, allowing the technician to immediately proceed with the installation using the displayed torque value, thereby reducing service time while maintaining precision.
3Productivity
If technicians apply torque based on experience, then service speed increases, but sensor damage risk increases
Solution Approach 1:
The patent incorporates a feedback mechanism where the tool provides real-time torque application guidance and confirmation. The torque wrench component gives visual or audible feedback when the correct torque is achieved, ensuring that technicians apply the precise torque specification while maintaining service speed. This feedback loop prevents both under-torquing and over-torquing, protecting the sensor while preserving productivity.
4Adaptability or versatility
If a comprehensive TPMS tool kit is provided, then all service functions are available, but tool portability and ease of use decreases
Solution Approach 1:
The patent merges multiple TPMS service functions into a single portable tool rather than providing a comprehensive tool kit. The integrated design includes a torque wrench, various wrenches, removal tools, and a database system all in one device, making it highly portable while maintaining full service function coverage.
Solution Approach 2:
The patent creates a universal TPMS service tool that consolidates multiple specialized tools into one multi-functional device. The tool can perform torque application, valve stem operations, grommet removal, and sensor installation, providing comprehensive service capability in a single portable unit that enhances ease of operation while maintaining versatility.
Data Source
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AI summary
A multi-functional TPMS sensor fastener torque tool includes a torque driver and a user interface which allows a user to identify the TPMS sensor to be serviced, obtain a recommended fastener torque from a reference torque value database, measure the torque applied to the sensor fastener and alert the user when the reference torque has been reached or exceeded. In one example, the reference TPMS fastener torque values are stored in a memory device in the torque tool which are accessible through a plurality of graphic user interface menus on a display device.