Brushless motor stator wound with a single winding wire
Abstract:
A brushless motor stator includes a stator core and a stator winding. The stator core has a stator frame, a coil carrier and multiple pole shoes. The coil carrier is mounted on one of the two openings of the stator frame and has a tooth base and multiple teeth. The teeth are formed on a top surface of the tooth base. The pole shoes are formed on the inner annular surface of the stator frame. The stator winding is formed by using a single wire to wind around the tooth base, the multiple teeth and the multiple pole shoes, and passing through three of the multiple slots of the coil carrier to extend beyond the outer annular surface of the stator frame to form three extended segments to correspond to U-phase, V-phase and W-phase output terminals of a motor, thereby reducing the number of spot-welding on a wiring board.
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