34. Why is a vent pipe installed in the fuel tank?
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34. Why is a vent pipe installed in the fuel tank?
The fuel tank vent allows gases and water vapor to be expelled from the fuel, preventing the water vapor from condensing within the fuel. This helps maintain a pressure in the fuel tank that is close to zero, enabling the oil returning from the bearings to flow smoothly back into the tank. If the fuel tank is airtight, large amounts of gas and water vapor will accumulate inside it, creating positive pressure that makes it difficult for the oil to return, resulting in significant leakage of oil on both sides of the bearings; this also leads to a deterioration in the quality of the oil.
It’s really inconvenient to have windows but no doors; it’s mainly done to balance the pressure
The vent pipe allows the gases and water vapor contained in the oil to be expelled, preventing water vapor from condensing inside the oil tank. This helps maintain the pressure in the oil tank at near-atmospheric levels, ensuring that the oil returning to the bearings flows smoothly into the tank. If the fuel tank is airtight, large amounts of gas and water vapor will accumulate inside it, creating positive pressure that makes it difficult for the oil to return, resulting in significant leakage of oil on both sides of the bearings. This also leads to a deterioration in the quality of the oil.