Patent ID: 6965186

Claim:
An electric motor for a hybrid vehicle comprising: a rotor disposed and coupled between an internal combustion engine and a transmission, said rotor being coupled, at one end thereof in a direction of a rotation axis, to a crank shaft of said internal combustion engine and, at an opposite end, to said transmission via a drive plate, said rotor comprising a plurality of electromagnetic steel plates held together face to face and each having a hole; a through hole provided in said rotor so as to extend therethrough in the direction of the rotation axis, said through hole being provided by the holes of said electromagnetic steel plates when said electromagnetic steel plates are held together face to face; a fastening hole provided in an end face of said crank shaft and in said drive plate, each facing and being in communication with said through hole; and a fastening member inserted in said through hole and in each of said fastening holes such that said rotor is fixed between said crank shaft and said drive plate.