Electronic Fuel Injection Throttle Body With Magnetic Sensing
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Solution Overview
Problem
Existing carburetion systems face challenges in maintaining efficiency and performance due to variations in atmospheric conditions, engine parameters, 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 determines throttle position and adjusts engine operation through algorithms to optimize performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic fuel injection throttle body systems are installed to replace carburetors, then engine performance and efficiency are improved, but space constraints and integration complexity increase
Solution Approach 1:
The throttle body assembly integrates multiple functions into a single component: it serves as both the throttle control mechanism and the fuel injection manifold. The fuel injectors are directly mounted on the throttle body bores, eliminating the need for separate fuel delivery components and reducing overall system complexity while maintaining improved engine performance
Solution Approach 2:
The patent combines the throttle valve mechanism with the fuel injection system by mounting fuel injectors directly on the throttle body. This merging of functions allows the electronic control unit to simultaneously control both air flow through the throttle valve and fuel delivery through the injectors, simplifying integration while improving performance consistency
2Loss of information
If remote communication capability is added to the electronic control unit, then monitoring and control capabilities are enhanced, but device complexity increases
Solution Approach 1:
The electronic control unit incorporates a throttle position sensor that continuously monitors the throttle valve position and provides feedback to the control system. This feedback mechanism enables accurate monitoring of throttle position, allowing for precise control and eliminating information loss about the system state
Solution Approach 2:
The patent introduces a remote communication module as an intermediary between the electronic control unit and external monitoring systems. This module allows the ECU to transmit throttle position data and receive control commands without adding complex wiring or direct connections, simplifying the overall system architecture while enhancing monitoring capabilities
3Manufacturing precision
If multiple fuel injectors and bores are integrated into the throttle body, then fuel delivery precision is improved, but manufacturing complexity increases
Solution Approach 1:
The throttle body is designed with separate, individually-machined bores for each fuel injector. This segmentation allows each bore to be precisely manufactured and positioned independently, ensuring accurate fuel delivery while enabling modular manufacturing processes that can simplify production
Solution Approach 2:
Each bore and fuel injector mounting location is designed with specific local characteristics optimized for its function. The throttle body features varying bore sizes and injector positions tailored to specific engine performance requirements, allowing precise fuel delivery in each zone while maintaining manufacturing feasibility through standardized machining operations
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 monitoring and control of throttle position, enabling improved engine performance and efficiency by adjusting air-fuel ratio, idle speed, and fuel enrichment, and allowing for compact integration in various engine configurations.
Implementation Method 1
the electronic control unit having a recess which receives an end of one of the first throttle shaft or the second throttle shaft, wherein the end has one of a magnet or sensor to determine a throttle position of the one of the first throttle shaft or second throttle shaft
Implementation Method 2
at least one first fuel injector extending into the throttle body on a first side toward the first bore, at least one second fuel injector extending into the throttle body on a second side toward the second bore
Implementation Method 3
a throttle valve disposed in each the first bore and the second bore
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.