What is the function of return pipe in automobile oil tank?

What is the function of return pipe in automobile oil tank? Oil return pipe gasket manufacturers for you to introduce it:

The purpose of the return pipe in the oil tank of a car is to allow the excess oil to flow back to the tank and reduce the consumption of oil. When the fuel pump provides more than the optimal amount of oil required by the engine, the oil will return to the tank through the return pipe. It should be noted that if the return pipe is blocked, the oil pressure will be too high, resulting in excessive idle speed, insufficient combustion, and insufficient power. Fuel consumption increases.