Throttle Pedal Actuation for Automated Engine Revving
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Solution Overview
Problem
Manual engine revving during servicing is inefficient and prone to human error, limiting technicians' ability to perform other tasks and potentially impacting service effectiveness.
Innovation Solution
A device that automatically revs a vehicle engine using a pedal clamp assembly, linear actuator, and control unit, allowing for programmable and precise control of throttle activation and deactivation, enabling auto-revving without human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual engine revving is performed during servicing, then the technician can control the revving process, but the technician's ability to perform other tasks is limited and human error may occur
Solution Approach 1:
The system enables self-service automation where the revving process operates autonomously without continuous human intervention. The automated pedal actuator system performs revving cycles based on programmed parameters, freeing the technician from manual operation while maintaining precise control through electronic control systems.
Solution Approach 2:
The patent replaces the manual mechanical system of pedal depression with an automated mechanical actuator system. The actuator uses mechanical components (linkages, arms, or direct actuation mechanisms) to simulate and automate the pedal pressing action, eliminating the need for manual human input while maintaining the same mechanical function.
2Productivity
If automated revving is implemented, then technician efficiency is improved and human error is reduced, but device complexity increases
Solution Approach 1:
The automated revving system is designed with multi-functionality to justify its complexity. It can perform multiple functions including: automated pedal actuation, timing control of revving cycles, integration with diagnostic systems, and adaptability to different engine types. This universal design allows a single system to handle various servicing tasks, improving overall productivity.
Solution Approach 2:
The system uses intermediary components to manage complexity. The control unit acts as an intermediary between the technician's input and the mechanical actuator, translating simple commands into coordinated mechanical actions. This intermediary layer simplifies the user interface while managing the underlying system complexity through electronic control logic.
3Manufacturing precision
If precise control of revving intervals is achieved, then service effectiveness is improved, but the system requires more complex control mechanisms
Solution Approach 1:
The system incorporates feedback mechanisms to achieve precise revving interval control. Sensors monitor engine parameters (RPM, temperature, operational state) and feed this information back to the control unit, which adjusts the actuator timing accordingly. This closed-loop feedback ensures precise control of revving intervals while adapting to real-time engine conditions, maintaining accuracy without requiring overly complex manual adjustment mechanisms.
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
Enhances the efficiency and effectiveness of engine servicing by allowing precise control of revving intervals, freeing technicians to perform other tasks and reducing the risk of human error, thereby improving service quality.
Implementation Method 1
The device includes a linear actuator configured to automatically depress the throttle pedal
Data Source
AI summary
Revving an engine may be helpful in various contexts, such as when servicing the vehicle. For example, in some types of services, a cleaning agent may be introduced into the intake and surrounding regions of an engine, and the engine may be revved to reduce a likelihood that the cleaning agent might puddle. In some instances, a device can be positioned within a vehicle interior and can be used to automatically rev the vehicle engine by depressing on the vehicle throttle.