Electronic Fuel Injection System Pdf

Electronic fuel injection is a type of technology and mechanical structure that supplies fuel to an engine.

Electronic fuel injection system pdf. All cars sold today in the united states are required to have electronic injection systems in large part because of these systems overall efficiency and reliability and most new cars manufactured around the world rely on. In the mechanical injection system there are some limitations but in the case of the electronic petrol injection system we can overcome that. Electronic fuel injection efi system use engine sensors a computer and solenoid operated fuel injector to meter and inject right amount of fuel into the cylinders. Some however use a vane type fuel pump mounted directly to the injection pump fuel distributor assembly.

An electronic control unit receives information in the form of electric signals from the sensors. Fuel delivery system certain mechanical fuel injection systems also utilize a mechanical fuel pump typically some early gasoline fuel injection systems. These systems are most common in automobiles and trucks. Sequential electronic fuel injection engine management systems applications 6 7.

Explore electronic fuel injection with free download of seminar report and ppt in pdf and doc format. Many of them use a fuel pump essentially identical to the carbureted fuel system s. By the use of sensors and electronic unit we can easily control functions like engine speed temperature engine load torque and much more. All the old model vehicle were equipped with carburetor for air fuel mixing and now i 39 m going to explain you electronic fuel injection system that has been.

The main difference between carburetor and fuel injection system carburetorzfuel is atomized by processes relying on the air speed greater than fuel speed at the fuel nozzle zthe amount of fuel drawn into the engine depends upon the air velocity in the venturi fuel injection systemzthe fuel speed at the point of delivery is greater than the air speed to atomize the fuel.