Automobile oil pan action
The main functions of the oil pan include the following points :
Close the crankcase : The oil pan is used as the lower half of the crankcase to seal it to prevent impurities from entering and provide a clean working environment for the engine .
storage lubricating oil : the oil pan collects and stores the lubricating oil flowing back from the friction surface of the diesel engine to ensure that the engine has enough lubricating oil during operation.
heat dissipation : the oil pan dissipates part of the heat to prevent the oxidation of the lubricating oil due to high temperature, and maintain the performance of the lubricating oil .
stabilizing oil level : the oil pan is equipped with an oil stabilizing baffle to avoid the oil level shock and splash caused by vehicle turbulence, and is conducive to the precipitation of lubricating oil impurities .
check the oil level : the side of the oil pan is equipped with an oil ruler, convenient to check the oil level, let the owner know the oil allowance .
oil discharge : the lowest part of the bottom of the oil pan is equipped with an oil drain plug, which is convenient to release the old oil when replacing the oil.
Types and characteristics of oil pan :
wet oil pan : common in most vehicles on the market. The crankshaft crank and connecting rod head of the engine are immersed in the lubricating oil of the oil pan once every rotation of the crankshaft, which lubricates the crankshaft and the bearing shell .
dry oil pan : often used in racing engines, no oil is stored in the oil pan, reducing the height and center of gravity of the engine, conducive to handling, but the oil pump needs more power, usually equipped with large displacement or high-power engines, such as sports cars .
automobile oil pan is an important component of engine, located in the lower part of the engine, usually made of thin steel sheet stamping, complex oil pan is cast by cast iron or aluminum alloy. The main functions of the oil pan include:
Closed crankcase : as the lower half of the crankcase, it is sealed to prevent impurities from entering and provide a clean working environment for the engine .
lubricating oil : collect and store the lubricating oil flowing back from the friction surface of the engine to ensure the lubrication requirements of the engine .
heat dissipation : dissipates part of the heat in the lubricating oil, prevents the oxidation of the lubricating oil due to high temperature, and maintains the performance of the lubricating oil .
stable oil level : the internal oil stabilizer baffle is equipped to avoid the shock and splash of the oil surface when the vehicle is bumping, which is conducive to the precipitation of lubricating oil impurities .
check the oil level : there is an oil dipstick on the side to check the oil allowance .
oil discharge : the lowest part of the bottom is equipped with oil discharge screw, easy to replace the oil when the old oil .
Type of oil pan
There are two main types of oil pan: wet oil pan and dry oil pan.
wet sump : Common type of automotive oil sump, designed so that the crankshaft and connecting rod are immersed in lubricating oil during operation and lubricated by splash lubrication. The wet oil pan is simple in structure and does not require additional fuel tank, but it is necessary to pay attention to the oil level height, which is too high or too low will affect the engine performance .
dry oil pan : Most used in racing engines, do not store oil, by the crankcase friction surface set measuring holes, in the way of pressure lubrication lubrication. The dry sump reduces the height and center of gravity of the engine, which improves handling, but relies on the oil pump for lubrication pressure .
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