What is the engine basic machine?
Only the bare metal, engine block, cylinder head, oil pan and the middle part, no external accessories (intake and exhaust pipe, generator etc.), also called cylinder.
Including the variable gears, the engine and the drive shaft, etc., it can be seen that the engine is only part of the whole engine, but it is the core part of the whole engine. People are constantly developing various types of engines, which can be divided into three categories: internal combustion engines, external combustion engines and motors.
An engine (Engine) is a machine capable of converting other forms of energy into mechanical energy. Some people call the engine "the engine", in fact, the engine is a complete set of power output devices, engines (Figure 1)
