Patent ID: 7345439
Filing Date: 2008-03-18
Classification: H02K

Abstract:
1. A vehicular rotating electrical machine apparatus comprising: a rotating electrical machine which includes a rotor having a field winding, and a stator disposed at an outer periphery of the rotor and having a stator winding, and performs electric power generation and starting; and an inverter unit which converts DC power of a battery into AC power at a time of a starting motor operation of the rotating electrical machine and supplies it to the stator winding, and converts AC power generated in the stator winding into DC power at a time of a generator operation of the rotating electrical machine and charges the battery, wherein the inverter unit is integrally mounted to the rotating electrical machine and is electrically connected to the stator winding, the rotor includes a rotor iron core which includes a magnetic part where adjacent magnetic poles are formed to have different polarities, and a field winding, and a permanent magnet which is disposed between the adjacent magnetic poles and supplies, together with the field winding, magnetic flux to the stator iron core, and the magnetic flux by the permanent magnet is adjusted so that in an actual use rotation speed range of the rotating electrical machine, a deenergization no-load induced voltage or a deenergization induced voltage in a minimum electric load power generation state does not exceed a voltage of the battery.