Patent ID: 7932649

Claim:
A signal interconnection piece for a rotary electrical machine, said signal interconnection piece forming a part of an electronic assembly integrated on said rotary electrical machine and independent of a bearing of said rotary electrical machine; said electronic assembly comprising a plurality of electronic modules, a dissipator, a power interconnection piece and said signal interconnection piece; said plurality of electronic modules, said dissipator, said power interconnection piece and said signal interconnection piece being assembled together, wherein said plurality of electronic modules, said signal interconnection piece and said power interconnection piece being placed in respective different and parallel planes; wherein said signal interconnection piece comprises: a base plate substantially circular made from insulating material that overmolds electrically conductive signal tracks and provided with a plurality of interconnection means radially disposed in said base plate, each of said plurality of interconnection means comprising a plurality of orifices having axes that are all included in a first plane passing through a rotor rotation axis of said rotary electrical machine, said first plane being generally perpendicular to a second plane on which are disposed all of said electrically conductive signal tracks, said plurality of interconnection means cooperating with signal connections of said plurality of electronic modules so as to convey control signals in said plurality of electronic modules, and assembling means allowing a mechanical assembly of said signal interconnection piece with said plurality of electronic modules, said dissipator and said power interconnection piece in order to form said electronic assembly having said plurality of electronic modules, said signal interconnection piece and said power interconnection piece being placed in respective different and parallel planes.