Operation of diesel engine 4 strokes are as follows:1. the rhythm of suction (Suction Stroke) piston will move to an open valve and exhaust valve is closed. While the Pistons moving down will cause the vacuum cylinder saphai caused a vacuum air removal alone into the cylinder. When the piston moves down to bottom dead centre point tongue I will close to prevent air escape.2. compression stroke (the Compression Stroke) piston moves up while the exhaust valve and steam off to cause an internal air cylinder until the cylinder is dead center on the spot mobile. The volume of air will rest for about 1/16 of the original volume, and the temperature is much higher, about 550 degrees Celsius.3. blast beats (Power Stroke) when the piston is at top dead center position, the air is compressed and has high heat. Nozzle, it will fuel injection into the cylinder, causing explosions and pushed Pistons, moving down.4. rhythm spit (Exhaust Stroke) piston will move up the tongue I will close, but the exhaust valve opens giving the air of combustion was driven out. At the end of the stroke, and then spit it into the moving Pistons, causing stroke suck anyway.4-stroke petrol engine (4 Cycle Gasoline Engine)
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