摘要 |
A mineral breaker is described having a breaker unit (1) with at least one rotary drive shaft (15), a rotary electric motor (13), and a drive gear box (17). The breaker unit drive shaft is coupled for rotation to an output shaft of the drive gear box, the rotary electric motor is coupled to rotatably drive an input shaft of the main drive gear box. The rotary electric motor is a switched reluctance motor. |