EFI Throttle Body Assembly With Remote Sensing and Fuel Control
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Solution Overview
Problem
Existing carburetion systems face challenges in maintaining efficiency and performance due to variations in atmospheric conditions, engine load, and fuel formulations, and there is a need for improved electronic fuel injection systems that can replace carburetors while ensuring consistent operation and performance.
Innovation Solution
An electronic fuel injection throttle body assembly with improved throttle position sensing and remote communication capability, featuring multiple bores, fuel injectors, throttle shafts, and an electronic control unit that monitors throttle position and adjusts engine operation through algorithms to optimize air-fuel ratio, idle speed, and fuel enrichment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If electronic fuel injection systems are used to replace carburetors, then engine performance and efficiency are improved, but device complexity increases
Solution Approach 1:
The patent replaces the mechanical carburetor system with an electronic fuel injection system that uses electronic sensors, microprocessors, and computer-controlled fuel injectors to manage air-fuel mixture delivery. This substitution enables precise electronic control of fuel injection timing and quantity, significantly improving engine performance while allowing for adaptive control based on sensor feedback from various engine parameters.
Solution Approach 2:
The system dynamically changes multiple parameters including fuel injection duration, injection timing, injector pulse width, and air-fuel ratio based on real-time sensor data from throttle position sensors, oxygen sensors, mass airflow sensors, and engine management systems. This parameter optimization allows the engine to operate efficiently across different load conditions, speeds, and atmospheric variations.
2Measurement precision
If throttle position sensing accuracy is improved, then fuel injection control precision is improved, but measurement and detection difficulty increases
Solution Approach 1:
The patent implements feedback mechanisms using throttle position sensors that continuously monitor throttle valve position and send signals to the engine management system. The system also incorporates oxygen sensors in the exhaust stream that provide feedback on actual air-fuel mixture composition, allowing the control system to adjust fuel injection parameters in real-time to maintain optimal combustion and emissions control.
Solution Approach 2:
The electronic control unit serves multiple functions including processing signals from various sensors (throttle position, mass airflow, oxygen, coolant temperature), calculating optimal fuel injection parameters, controlling fuel injectors, monitoring engine operating conditions, and adapting to different driving scenarios. This multi-functionality consolidates complex measurement and control tasks into a single integrated system.
3Adaptability or versatility
If remote communication capability is added to the electronic control unit, then system adaptability and monitoring capability are improved, but device complexity increases
Solution Approach 1:
The patent introduces communication modules as intermediaries between the engine control system and external devices. These modules can include wireless communication interfaces (Bluetooth, Wi-Fi), cellular modems, or wired communication ports that enable data transmission between the engine management system and remote devices such as smartphones, tablets, or diagnostic equipment. This allows for remote monitoring of engine parameters, performance optimization, and diagnostic capabilities without requiring direct physical access to the engine.
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 provides enhanced engine performance and consistency by accurately monitoring throttle position and adjusting engine conditions, improving efficiency and responsiveness to varying operational demands.
Implementation Method 1
the end of said first and second throttle shaft has one of a magnet or sensor to determine a throttle position of the one of the first throttle shaft or second throttle shaft
Data Source
AI summary
Present embodiments relate to an electronic fuel injection throttle body assembly for an internal combustion engine. More specifically, but without limitation, present embodiments relate to an improved electronic fuel injection (EFI) throttle body which has a remote communication capability as well as improved throttle position sensing.