Pre-combustion Vortex Fuel Mixing for Homogeneous Vaporization
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Solution Overview
Problem
Existing fuel vaporization devices for internal combustion engines fail to achieve optimal fuel-air mixture vaporization, leading to incomplete combustion, reduced efficiency, and increased pollution, as they often compromise between volumetric efficiency at high RPMs and high resolution response at lower RPMs.
Innovation Solution
A pre-combustion vortex chamber system with multiple stages and a fuel nozzle design featuring a plurality of ports arranged in rows, creating a vortex for fuel and oxidizer mixing, ensuring complete vaporization and homogenization of the fuel-air mixture before entering the combustion chamber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a fuel vaporizing device is made large to attain volumetric efficiencies at high RPMs, then volumetric efficiency is improved, but the device becomes too large to achieve high resolution responses at lower RPMs
Solution Approach 1:
The fuel vaporizing device is divided into multiple separate combustion chambers arranged in a circular pattern around a central fuel injection point. Each chamber is a smaller, independent unit that can respond quickly to fuel injection, while the collective arrangement of multiple chambers provides the necessary volumetric efficiency for high RPM operation. This segmentation allows the system to achieve both high resolution response (through small individual chamber size) and high volumetric efficiency (through the combined capacity of multiple chambers).
2Quantity of substance
If fuel is injected as a coarse spray to increase fuel delivery, then fuel delivery is improved, but fuel mixing with air becomes incomplete leading to residues
Solution Approach 1:
The fuel injection system uses a central axial injection point that introduces fuel in a direction perpendicular to the plane formed by the combustion chamber ports. This three-dimensional injection approach allows fuel to be delivered in sufficient quantity while simultaneously being exposed to air flow from multiple directions (through the peripheral ports), ensuring complete mixing and vaporization. The multi-dimensional fuel-air interaction eliminates combustion residues while maintaining high fuel delivery capacity.
3Manufacturing precision
If fuel droplet size is reduced for better mixing, then fuel-air mixing is improved, but there is insufficient time for complete mixing prior to ignition at high RPMs
Solution Approach 1:
The combustion chambers are pre-configured with ports positioned to create immediate air flow paths as soon as fuel is injected centrally. The chamber geometry and port arrangement are designed in advance to ensure that fuel droplets are instantly exposed to air flow, beginning the mixing process at the moment of injection. This preliminary structural arrangement eliminates mixing time delays that would otherwise occur at high RPMs, allowing complete vaporization and mixing to occur within the available combustion cycle.
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 fuel efficiency and reduces pollution by ensuring a complete and homogeneous fuel-air mixture, improving combustion completeness and meeting emission standards while maintaining efficiency across varying engine RPMs.
Implementation Method 1
a pre-combustion vortex chamber system with multiple stages and a fuel nozzle design featuring a plurality of ports arranged in rows substantially parallel to one another and substantially perpendicular to the axis between the first end and the second end
Data Source
AI summary
There is disclosed a fuel nozzle, a pre-combustion fuel mixing device, and methods related to fuel processing. In an embodiment, a fuel nozzle includes at least one port for receiving fuel, a sidewall forming ports for introducing fuel into a pre-combustion chamber, and a plurality of conduits formed between the first end and the sidewall. In one embodiment, a method includes creating a gaseous, homogenous premixture of fuel and oxidizer in a first pre-combustion vortex chamber, which includes introducing fuel at an axis of the oxidizer vortex both axially and radially through an injector having a plurality of ports through a sidewall arranged in a plurality of rows substantially parallel to one another. In an embodiment, an apparatus includes a pre-combustion fuel mixing device having a housing with a first pre-combustion vortex chamber having a first compartment, a second compartment, and a third compartment.