theautopartsshop.com/air-injection-system

"In this Injection system, the fuel are going to be injected into the cylinder by means of compressed gas . So it needs a further compression system for the Injection System. Due to this extra system, the load of the engine will increase which can end in the reduced brake power output.

This type of fuel injection system system system is used very less nowadays thanks to the bulky design of the engine. Since it needs a further mechanical compressor system.

The following are the benefits of the Air Injection system

High viscosity fuel are often used which are comparatively less costly than the fuel employed by the Solid Injection System.

Can achieve higher Mean Effective Pressures (MEP) thanks to the great mixing of fuel with the air.

A fuel pump is driven by the engine itself. A cam shaft operates the fuel pump through a cam and power required to rotate the cam shaft is taken from main shaft of the engine with the help of gears and discharge a definite quantity of fuel into the injection valve the injection valve is mechanically opened and high pressure air drives the fuel charge and some air into the combustion chamber. The amount of fuel delivered is under the control of pump suction valve, which is operated by a governor. The atmospheric pressure is raised to about 70 bar by a 3 stage compressor providing intercooling. The compressor is additionally operated by the engine. The high air projects the fuel into the combustion chamber and atomizes it.

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