Structure for linear and rotary electric machines

摘要

Disclosed herein is a structure for linear and rotary electric machines. The present invention provides a modular mover structure which includes coils (1d) that have an electrical phase difference of 180°, so that the path of magnetic flux is shortened, thus reducing the size of the machine and mitigating the back-EMF unbalance. Furthermore, the modular mover structure can be modified into various shapes. For example, when a skew structure is applied to a mover or stator iron core (1, 2), the force ripples in an electric machine can be reduced. In addition, when a hinge structure is applied to a modular mover iron core (1), the mover can move in a linear and curved manner. Moreover, the structure of the present invention can be applied to a rotary electric machine. In this case, because the number of poles can be easily increased, a low speed high torque direct drive type rotary electric machine can be realized. (Fig. 1A)