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Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of a fuel injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines.
A fuel injector is nothing but an electronically controlled valve. Like other direct injection systems, it is supplied with pressurized fuel by the fuel pump in your car, and it is capable of opening and closing many times per second.
What is Fuel Injection System? A fuel injection system is a type of internal combustion engine system that uses fuel injectors to deliver fuel in a precise and controlled manner to the engine’s combustion chamber or cylinders.
The first system uses continuous injection where the fuel is squirted into the inlet port all the time the engine is running. The injector simply acts as a spray nozzle to break up the fuel into a fine spray - it doesn't actually control the fuel flow.
Fuel injectors are small nozzles that are controlled electronically to atomize fuel under high pressure in an engine’s combustion chamber. It contains valves that are capable of opening and closing many times per second. Before the existence of fuel injectors, carburetors have been highly used on engines, and to date, this engine still exists.
A fuel system or fuel injection system is a mechanical system that delivers the proper amount of fuel to the engine. The fuel system comprises the carburetor , fuel filters , fuel pump , fuel lines, fuel injectors , and fuel tank.
Mechanical fuel injection (and fuel injection as a whole) dates back to the dawn of the automobile. The first diesel engines, which were built in the late 19th century, used simple mechanical...
To understand fuel injection, you need to generally understand how an engine works. At its simplest, an engine is an air pump that ingests an air/fuel mixture, compresses that mixture,...
Fuel injection is the most widely used process to inject fuels into automotive engines and this process. But the diesel engine vehicles are using fuel engines for a long time. In the 1940s Mercedes Benz OM 138, diesel engine passenger cars were using fuel injection systems. In case of petrol engines, fuel injection was introduced in the 1950s.
The objectives of the fuel injection system are to meter, atomize and distribute the fuel throughout the air mass in the cylinder. At the same time, it must maintain the required air-fuel ratio as per the load and speed demand on the engine.