A Novel Fuel System for Alternative Fuels in Spark Ignition Internal Combustion Engine

Abstract

The present invention discloses a fuel system for spark ignition internal combustion engines, designed for the efficient utilization of alternative fuels such as ethanol, methanol, hydrogen, and compressed natural gas (CNG). The system features an adaptive fuel injection system, a real-time fuel composition analyzer, and an advanced electronic control unit (ECU) that dynamically adjusts air-fuel ratios and ignition timing based on the specific properties of the fuel. By integrating machine learning algorithms, the system optimizes combustion efficiency, reduces emissions, and enhances engine performance. It also includes an adaptable cooling and exhaust system, ensuring compatibility with the varying thermal and emission profiles of alternative fuels. The invention offers flexibility and sustainability, supporting the transition to cleaner energy sources while improving engine efficiency and longevity.

Specification

Description:[0001] The present invention relates to internal combustion engines and their fuel systems, specifically focusing on spark ignition (SI) engines. The invention provides a novel fuel system designed to support and optimize the use of alternative fuels such as ethanol, methanol, compressed natural gas (CNG), and hydrogen. The system incorporates advanced fuel injection, real-time fuel analysis, and intelligent electronic control mechanisms to ensure efficient combustion, enhanced engine performance, and reduced emissions, promoting sustainability and fuel flexibility.

Background of the Invention
[0002] Internal combustion engines (ICEs), particularly spark ignition engines, have been the dominant technology for powering vehicles and machinery for over a century. Traditional fuels such as gasoline have been the primary energy source for these engines due to their widespread availability and well-established infrastructure. However, the growing environmental concerns and regulatory pressures to reduce carbon emi , Claims:1. A system for using alternative fuels in a spark ignition internal combustion engine, comprising:
an adaptive fuel injection system configured to modulate fuel flow rate, pressure, and timing based on the type of alternative fuel, selected from the group consisting of ethanol, methanol, hydrogen, and compressed natural gas (CNG);
a real-time fuel composition analyzer that monitors and identifies the physical and chemical characteristics of the fuel in use, providing data to an electronic control unit (ECU);
an advanced electronic control unit (ECU) integrated with a machine learning algorithm, which dynamically adjusts air-fuel ratios, ignition timing, and other engine parameters based on data from the fuel composition analyzer and other engine sensors;
an ignition system that adapts spark timing based on the detected fuel type, enhancing combustion efficiency and reducing the risk of detonation;
a cooling system with a variable-speed electric water pump and temperature-controlled components designed to man

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