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Electric Water Pump for Engine Cooling

Fuxin Dare Automotive Parts Co., Ltd. (DARE AUTO)

Website:

www.darepump.com, www.fuxindareauto.com

Working principle of electronic water pump The ECU (electronic control unit) adjusts the duty ratio through PWM (pulse width modulation) based on feedback signals such as water temperature, and transmits the signal to the controller inside the electronic water pump. The controller controls the rotation of the motor based on the duty ratio, thereby driving the impeller rotor to rotate, thereby achieving coolant circulation. Traditional mechanical water pumps operate based on engine speed, which results in the need for large power to drive even during cold starts with low flow requirements and under low load and high speed conditions. At this time, the cooling capacity provided is far greater than the actual cooling energy required by the engine, and requires large power to drive. In this way, a large part of the cooling capacity of the mechanical water pump is wasted, which requires a lot of additional driving capacity, and the cooling effect is somewhat different from the…