Patent ID: 7095144

Claim:
A rectifying apparatus of an AC generator for a vehicle, comprising: positive-side and negative-side radiation boards arranged within a frame of the AC generator and supporting positive-side and negative-side rectifying devices, respectively, for rectifying an AC output of the AC generator; an output terminal member penetrating the positive-side and negative-side radiation boards to be exposed to outside of the frame and electrically and mechanically connected with the positive-side radiation board; and a connection part forming member made of a material having the same coefficient of linear expansion as that of the output terminal member, at a connection part of the positive-side radiation board with the output terminal member, wherein the positive-side radiation board includes a plurality of radiation fins which are positioned over the positive-side rectifying devices, and the negative-side radiation board includes a plurality of radiation fins which are positioned over the negative-side rectifying devices.