Traditional Culture Encyclopedia - The 24 Solar Terms - Causes of engine burning oil
Causes of engine burning oil
2. The clearance between the piston ring and the cylinder wall is too large, the piston ring is improperly installed or the sealing performance is poor, and the engine oil on the cylinder wall enters the combustion chamber, causing the engine oil to burn; In addition, the sealing performance of the valve sealing ring is poor, and the crankcase forced ventilation valve (PCV) is damaged or the crankcase vent is blocked, so that the pressure in the crankcase is too high, and the engine oil will enter the cylinder with crankcase gas to participate in combustion.
3. Oil burning caused by excessive oil filling. When the oil filling exceeds the center line, because the oil pressure is too high, the part that is splashed and lubricated during engine lubrication will run into the combustion chamber for combustion.
4. The turbocharger leaks oil. The turbocharger is installed at the front end of the exhaust pipe, and its working temperature is very high. When the engine is running at full load, the speed of turbine and pump wheel can reach1-20,000 rpm. Its turbine shaft adopts oil-lubricated floating bearings, and there is a 1 oil circuit in the car leading to the turbocharger. Oil leakage from pipes or bearings may cause oil to seep into the exhaust pipe from the turbocharger. The exhaust pipe temperature is high, and the engine oil is baked into blue smoke.
5. There is a leak in the valve oil seal, indicating that the engine oil leaks into the combustion chamber for combustion.
[fā dòng jī]
engine
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This entry is compiled and applied by the scientific entry "Popular Science China"? Review.
An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines (gasoline engines, etc. ), external combustion engine (Stirling engine, steam engine, etc. ), motor, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. The engine is suitable for both power generation devices and complete machines (such as gasoline engines and aero-engines) including power devices. The engine was first born in Britain, so the concept of engine also originated in English. Its original meaning refers to "a mechanical device that generates power".
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