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List of contents of this article:

• 1,Binance Download for PC How to judge the model of the engine?
• 2, As shown in the figure, it is a diagram of the working status of a single-cylinder four-stroke gasoline engine. It can be seen from the figure that at this time it is...
• 3, Basic knowledge of automobile engine

How to judge the model of the engine?

The models of these enginesNo., there is an aluminum plate on the top cover of the engine. For example, YC4102 is the engine of Yangchai 4102, and ZC4102 is the engine of Chaochai 4102.

You can check the car engine model from the following places: motor vehicle registration certificate (green version). Driving license. Factory certificate. Under normal circumstances, the factory certificate will be recycled and filed by the DC, so the owner does not have it. But some car owners will make a copy in advance. Invoice for car purchase.

Usually, the engine model has six digits, and it is usually used to use the first three digits. The first one is the English alphabet, such as B, M, N, S, which can be regarded as the engine series. The common ones are the M and N series. N is more advanced than M, while S represents the high-performance engine of M.

As shown in the figure, it is a diagram of the working state of a single-cylinder four-stroke gasoline engine. It can be seen from the figure that at this time, it is...

1. Chemistry; internal; work Test analysis: When the fuel burns, chemical energy is converted into internal energy. When the gasoline engine is working, there is a significant stroke in its four-stroke. The characteristic is that the spark plug has sparks.

2. Introduction When the piston moves back and forth in the cylinder, the process of moving from one end of the cylinder to the other is called a stroke. Most ordinary internal combustion engines are four-stroke internal combustion engines. It is divided into intake stroke, compression stroke, work stroke and exhaust stroke. There are mainly four-stroke gasoline engines and four-stroke diesel engines.

3. Compression mechanical energy is converted into internal energy. Analysis of test questions: there are four strokes in a cycle of an internal combustion engine: intake stroke, compression stroke, work stroke and exhaust stroke. The name of the stroke is judged according to the switch of the valve and the direction of movement of the piston.

4. The working principle of automobile engines is mainly to convert chemical energy into mechanical energy. The reason why the engine has sufficient power is that it generates kinetic energy by burning the fuel in the cylinder, which makes the piston in the engine cylinder reciprocate, which is also a process of working cycle.

Basic knowledge of automobile engines

Basic knowledge of automobiles Basic main parameters of engines The basic main parameters of automobile engines include cylinder layout, maximum output power, engine number of cylinders, maximum torque valves and rows Quantity.Valve number Foreign automobile engines generally adopt a four-valve structure per cylinder, that is, two intake valves and two exhaust valves, which improves the intake and exhaust efficiency.

Four-stroke internal combustion engines are widely used in automobile engines. The number of cylinders of the engine is single-cylinder and multi-cylinder engine.

Engines are divided into naturally aspirated and turbocharged and mechanically supercharged.

But the V-shaped engine must use two cylinders, the structure is more complex, and its width has also increased, and the cabin space is relatively compact.

Basic structure of the engine (1) Crank connecting rod mechanism The crank connecting rod mechanism is composed of three parts: the fusele group, the piston connecting rod group and the crankshaft flywheel group. Its function is to transform the thermal energy generated by fuel combustion into the rotational motion of the crankshaft through the linear reciprocating motion of the piston to the flywheel. Power.