The five major systems of the engine

The five major systems of the engine

Five systems

Five systems include Lubrication, Cooling, Fuel supply, Starting, and Ignition. The difference between the gasoline engine and diesel engine is slightly different, the difference lies in the ignition system, you know that the gasoline engine is spark plug ignition, and the diesel engine is using the mode of combustion, so there will be a significant difference between the two here.

Lubrication system

Composition

The lubrication system consists of an oil pump, oil filter, oil cooler, filter collection, oil pressure gauge, thermometer, and oil pipe.

Role

To transport quantitative clean lubricating oil to the surface of parts that are relatively moving, so as to achieve liquid friction, reduce friction resistance and reduce the wear of parts; And clean and cool the surface of the parts.

Principle

The engine is running at high speed, so many places need lubrication, such as the crankshaft, connecting rod, piston, camshaft, gear system, turbocharger, and so on, so this requires a perfect lubrication channel layout and organic oil pump such as a device pump. The whole system involves an oil sump, collection filter, oil filter, cylinder track, cylinder head oil channel, etc., so that the oil can flow between all parts that need lubrication.

The five major systems of the engine

Cooling system

Composition

The cooling system is mainly composed of a water pump, radiator, fan, water sleeve, and temperature joint.

Role

Send out the heat absorbed by the heat parts in time to ensure that the engine works at the most appropriate temperature.

Principle

The engine is running at high speed, and the engine is also converted into mechanical energy, so the engine will generate a lot of heat in the process of operation, which will make the engine temperature become very high, so the engine also needs to have a cooling system, so the engine is always in a reasonable temperature range. Of course, on the one hand, it is to prevent the engine from being too hot, but also to make the engine can heat up quickly when the temperature is low so that it can work properly. In the cooling system, cylinder block cooling channel, cylinder head cooling channel, water pump, radiator, fan, temperature holder, and so on.

Fuel supply system

Composition

It consists of an air supply system, fuel supply system, and electronic control system.

Role

The function of the fuel supply system is to prepare a certain amount of mixture and concentration according to the requirements of the engine, which is fed into the cylinder and discharged the combustion exhaust gas from the cylinder into the atmosphere.

Principle

The engine needs to convert heat into mechanical energy, and heat comes from the combustion of fuel, so how the fuel is supplied also has a separate system. The difference between the fuel supply system in gasoline engines and diesel engines is relatively large, and the difference between a diesel engine in different stages and a gasoline engine in different stages is relatively large, so we found a signal that the main components involved are not particularly large, mainly including a fuel tank, fuel filter, fuel pump, fuel nozzle and so on.  Yanmar engine has a high air supply system, fuel supply system, and electronic control system.  In LandKingParts we sell Yanmar engine parts engines and parts for farm machinery, heavy trucks, and other large machinery. The Yanmar engine has superb quality if there is a need, welcome to consult to buy.

Ignition system

This is mainly in gasoline engines because the diesel engine is burning, so there is no separate ignition.

Composition

Consists of a battery, generator, ignition coil, power breaker, spark plug, and so on. The diesel engine has no ignition system.

Role

When the engine works, the combustion of the mixture is controlled by spark plug ignition. The function of the ignition system is to supply the spark plug with high voltage with enough energy at the appropriate time according to the working state of the engine, according to the working order of the engine, and at the appropriate time, The Sparks between the electrodes to ensure that the mixture can be ignited and the engine does work. It mainly involves a battery, high voltage wire, spark plug, and ignition coil.

Starting system

Composition

It is mainly composed of a battery, starting control and transmission mechanism, and starter.

Role

Convert the electrical energy of the battery into mechanical energy and start the engine running.

Principle

In order to make the stationary engine enter the working state, it is necessary to rotate the crankshaft of the engine first by an external force to move the piston up and down, and the cylinder can breathe in the combustible mixture, and press or ignite it. And this process is the starting process, which requires the support of the starting system. Obviously, the starting process of the engine needs to be designed for the battery and starter.

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