L28/32 Diesel Engine Parts Introduction - Basic Knowledge of Diesel Engines

The main difference in the basic knowledge of diesel engines is that it injects petroleum or diesel into the cylinder for combustion as fuel, rather than using a mixture of gasoline as fuel. At the same time, in the compression stroke, it does not compress the combustible mixture but simply compresses the air. Gasoline engines use a spark plug to ignite the fuel, while diesel engines have a fuel injector at the top, using hot air to ignite the diesel, hence it is called compression ignition. It also has four strokes: The first stroke is the intake stroke, where only air is吸入 into the cylinder. The second stroke is the compression of air， and the gasoline engine only compresses the volume of the fuel mixture to 1/6 to 1/9 at the end of the intake stroke.