This kind of blower used brushless DC motor without hall sensors, and the feedback signal is created by back EMF. They can be used in bus air conditioner.
1. Product name: brushless DC evaporator blower. 2. Brushless DC motors without hall sensors can be used in the evaporator fan for bus air-conditions. 3. The motor has excellent performance characteristics such as speed control and governing. It also can achieve continuous governing accurately. It has the features of small size, excellent performance, lower noise, long life, no commutating spark, no radio disturbance and high efficiency. 4. Voltage: 18~32V DC. 5. Current: 8A. 6. Speed: 3,200rpm. 7. Air volume: 950m³/h@100Pa. 8. Speed regulating: +5~+11VDC.