types of lubrication system in ic engines pdf

Forced feed or pressure lubrication system: This system is commonly used on the high-speed multi-cylinder engine in tractors, trucks and automobiles. This system is commonly used in a single-cylinder engine with a closed crankcase. The splash oil then drips back into the sump. Splash lubrication system: The splashing action of oil maintains a fog or mist of oil that drenches the inner parts of the engine such as bearings, cylinder walls, pistons, piston pins, timing gears etc. The parts of the engine such as piston, cylinder walls and connecting rod are lubricated by being waited with the oil mist left behind. of the engine and will have their own lubrication system, filled with a. For emission legislation, the focus relies on the mechanical friction. The lubricating oil is left behind in the form of mist. SPARK IGNITION and diesel engines of all types. A reliable lubrication system is of key importance for internal combustion engines. The petrol evaporates when the engine is working. The system of lubrication is used in scooters and motorcycles, particularly for two-stroke engines about 3 to 6% of lubrication oil is added with petrol is the petrol tank. This method of lubrication is used in small engines like motorcycles and scooters. In a modern vehicle, an oil pump failure is extremely rare. The oil pump consists of the pump itself, oil pump drive, pickup screen and tube, and oil pressure relief valve. The droplets of the partials cause the lubricating effect in the engine cylinder. The oil pump is located in or on the engine itself and is driven by the camshaft or the crankshaft. Petroil (Petro-oil lubrication system): In this method, the lubricating oil is mixed with petrol and fed into the engine cylinder during the suction stroke.

Types of lubrication system in ic engines pdf