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What is the working principle of the Passat fan coupler?

1 Answers

OBrooke

07/29/25 6:22pm

The working principle of the Passat fan coupler is that when the engine temperature is low, the coupler automatically disengages, causing the fan to stop rotating. When the engine temperature rises above a certain threshold, the coupler automatically engages, and the fan starts rotating to regulate the temperature. Functions of the fan coupler: Ensure the motor does not stall or burn out. It can meet the requirements for heavy-duty startup conditions, reducing startup time and average startup current. It allows for no-load startup and convenient clutch operation. It minimizes impact and vibration during startup and operation, extending the service life of the load equipment. It also has an energy-saving effect. Precautions for coupler usage: Do not alter the working medium of the coupler. For hydraulic couplers, regularly inspect the quality and quantity of the working oil and replace or replenish it as needed. The fusible plug of the hydraulic coupler must not be replaced with other types of screws. Enhancing the cooling and ventilation of the coupler can reduce the risk of fusible plug blowout and minimize the waste of the working medium.

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