摘要 |
A drive assembly for a vehicle door, comprising: a motor having a driving member; a housing having a shaft rotatably received therein; an input member being rotatably received upon the shaft, the input member being operatively associated with the driving member, wherein rotation of the driving member causes rotation of the input member; an armature mounted on the input member; a rotor fixedly secured to the shaft, the rotor being cylindrical in shape and has a plurality of teeth positioned along the periphery of the rotor, the teeth being positioned in an equidistant manner; a coil mounted to the housing, the coil providing magnetic flux lines through the rotor to attract the armature when the coil is energized; and an inductance sensor assembly mounted to the housing in a facing spaced relationship with respect to the plurality of teeth of the rotor, wherein rotational speed and direction of the rotor is detected by the inductance sensor assembly.
|