Patent ID: 6538352
Filing Date: 2003-03-25
Classification: H02K

Abstract:
An automotive alternator comprising:a shaft rotatably supported by a bracket; a rotor fastened to said shaft, said rotor being disposed inside said bracket; a stator fastened to said bracket so as to envelop an outer circumference of said rotor; a rectifier for rectifying an alternating-current output of said stator, said rectifier being provided with a rectifier heat sink on which a plurality of semiconductor components is disposed and a rectifier circuit board for connecting said plurality of semiconductor components, wherein said semiconductor components constitute a bridge circuit; a voltage regulator for adjusting an output voltage of said rectifier, said voltage regulator being provided with a voltage regulator circuit board on which a voltage regulating circuit is formed and a voltage regulator heat sink on which said voltage regulator circuit board is disposed; and a cooling means for cooling said rectifier and said voltage regulator, wherein said plurality of semiconductor components and said voltage regulator circuit board are supported by a single supporting member and mounted to said bracket, and wherein said supporting member is constructed by integrating said rectifier heat sink and said voltage regulator heat sink.