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Automatic Transmission Oil Pump for Lubrication
The transmission auxiliary oil pump is the heart of the transmission oil. When the transmission oil circulates to the bottom, it can pressurize the oil from the bottom through the filter screen to the top. The following is the role of the engine oil pump:
Hydraulic Oil Pump for 9DCT
The mechanical oil pump+electric auxiliary oil pump is also known as a dual pump system. Due to the fact that the power and flow requirements of the gearbox for hydraulic oil vary from time to time based on the load, with peaks and valleys. When there is only a mechanical oil pump, the mechanical oil pump will be designed according to the highest demand. Although there is a variable displacement oil pump, the power and displacement of the mechanical oil pump will still be too large, and in many cases this design will generate energy waste. After using an electric auxiliary oil pump, the power and displacement of the mechanical oil pump can be designed based on the basic load, with the displacement reduced by about 1/3. The peak load is supplemented by the electric auxiliary oil pump, which supplies oil as needed.