MOTOR DRIVE DEVICE FOR VEHICLE

To provide a motor drive device for vehicles, which achieves simplification of a structure of a device while oil tightness and insulation property of a motor chamber are secured.SOLUTION: A motor drive device for vehicles 100 includes: a motor 1; an inverter 2 for supplying power to the motor 1; motor side wiring 3 for connecting the motor 1 and the inverter 2; a housing 5 which includes a motor chamber 51 and in which through holes 54 through which the motor side wiring 3 extending from the motor 1 stored in the motor chamber 51 penetrates are formed; and elastically deformable cylindrical elastic members 6 which include wiring insertion holes 63 into which the motor side wiring 3 extending from the motor 1 is inserted and are attached to the through holes 54 so as to seal between the through holes 63 and the motor side wiring 3.SELECTED DRAWING: Figure 1 【課題】モータ室の油密性および絶縁性を確保しつつ、装置の構造の簡素化を実現することが可能な車両用モータ駆動装置を提供する。【解決手段】この車両用モータ駆動装置１００は、モータ１と、モータ１に電力を供給するインバータ２と、モータ１とインバータ２とを接続するためのモータ側配線３と、モータ室５１を含み、モータ室５１に収容されたモータ１から延びるモータ側配線３が貫通する貫通孔５４が形成されたハウジング５と、モータ１から延びるモータ側配線３が挿入される配線挿入孔６３を含み、貫通孔６３とモータ側配線３との間をシールするように貫通孔５４に取り付けられた弾性変形可能な筒状弾性部材６とを備える。【選択図】図１