The starter unit comprising a starter shaft, a transmission, a clutch and a spring accumulator. The starter shaft is mounted in a longitudinally displaceable manner. The spring accumulator is adapted to act on the starter shaft for causing a rotational mov...

A rotor core, rotating in the vicinity of a generating coil, comprises a balance weight section and a pair of magnetic poles (3,4), provided on opposite sides of the balance weight section 2 with respect to a center of rotation O of the rotor core 1 to san...