| 摘要 |
A motor assembly comprising a motor unit having a first end and a second end and being couplable adjacent the first end of the motor unit to an external electrical device, the motor unit comprising at least one motor winding extending between the first and second ends and an electrical return path extending from the second end to the first end, the electrical return path being in electrical contact at the first end with an electrical connector for supplying impressed secondary power to the external electrical device, wherein the first end of the motor unit is provided with means for coupling a power source to the motor winding and the second end of the motor unit is provided with means to electrically couple the motor winding to the electrical return path. Also provided is a motor comprising a motor winding having a first end and a second end and an incomplete number of winding turns between the first and second ends, and an electrical return path for passing a current through the motor, the motor winding and the electrical return path being discontinuous.
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