Hydrogen Mixing Block Slider Mechanism
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Solution Overview
Problem
Internal combustion engines face challenges in improving longevity, reducing emissions, and decreasing dependence on fuels from unstable sources, which existing technologies have not adequately addressed.
Innovation Solution
The development of a hydrogen and air mixing block system for internal combustion engines, which includes a slider assembly and fuel shut-off solenoid, allows for the controlled introduction of pressurized hydrogen gas, optimizing engine performance by modifying the compression ratio and timing, and integrating a fuel supply interlock system for safe operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If hydrogen gas is introduced into the intake manifold, then fuel economy is improved and emissions are reduced, but engine longevity and reliability may be compromised due to uncontrolled fuel delivery
Solution Approach 1:
A controller acts as an intermediary between the hydrogen fuel delivery system and the engine, managing the introduction of hydrogen gas into the intake manifold. The controller receives signals from a sensor and adjusts fuel delivery accordingly, preventing uncontrolled fuel injection that could compromise engine reliability while maintaining the fuel economy benefits of hydrogen addition
Solution Approach 2:
A sensor monitors engine operating conditions and provides feedback to the controller, which then adjusts hydrogen fuel delivery in real-time. This closed-loop control system ensures that hydrogen is introduced only under appropriate conditions, maintaining engine reliability while optimizing fuel economy and reducing emissions
2Power
If the compression ratio is modified to optimize engine performance, then power output increases, but engine longevity may be reduced due to increased mechanical stress
Solution Approach 1:
The system dynamically adjusts the compression ratio based on real-time engine operating conditions through electronic control. Rather than a fixed mechanical modification, the compression ratio can be varied to optimize power output while preventing excessive mechanical stress that would reduce engine longevity, allowing the system to adapt between high-power and low-stress operating modes
3Loss of energy
If timing is modified to optimize hydrogen combustion, then fuel economy improves, but emissions control becomes more challenging
Solution Approach 1:
The controller uses feedback from emissions sensors to monitor and adjust timing modifications in real-time. When emissions thresholds are approached, the controller modifies the timing to reduce harmful emissions while minimizing the impact on fuel economy, maintaining an optimal balance between energy efficiency and emissions control
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
This solution enhances engine longevity, reduces emissions, and achieves significant fuel economy by optimizing hydrogen usage and engine performance, as demonstrated by experimental data showing reduced emissions and increased efficiency across various engine configurations.
Implementation Method 1
a fuel shut-off solenoid
Data Source
AI summary
A mixing block to supply a throttle-able hydrogen and air mixture to an internal combustion engine includes a bore through the mixing block between an air intake side and an engine intake side. A slider chamber is disposed orthogonal to and intersecting the bore, where the slider chamber houses a movable slider biased to at least partially block the bore but throttle-able to overcome the bias and reduce blockage of the bore. A jet chamber is disposed parallel to and intersecting the slider chamber and extending away from the slider chamber a distance sufficient to accommodate a shaped needle, where the needle is connected to the slider on one side such that the needle moves within the jet chamber as the slider moves in the slider chamber.