PMAC WOLKING BELT DIRECT DRIVING APPARATUS USING OUTER ROTOR PMAC MOTOR

摘要

A direct drive device for a working belt using an outer rotating PMAC motor for a treadmill according to an embodiment of the present invention is made of a cylindrical shape in which the working belt is wound to rotate the working belt with respect to a body frame and a hollow outer housing, An inner shaft extending in the longitudinal direction by the length of the outer housing at the inner center of the outer housing, the inner shaft is internally coupled to one side of the outer housing to rotate the outer housing about the inner shaft, the PMAC motor having A motor module and a forced circulation fan module disposed to face the other side of the outer housing with the inner shaft as an axis, and interlocked with the motor module by the inner shaft to forcibly dissipate heat generated during operation of the motor module includes