Electric vehicle axle mechanism

摘要

An electric vehicle axle mechanism comprising: at least one vehicle axle; a gear mechanism connected to the vehicle axle; an electric motor that comprises a rotor and that is connected to the gear mechanism for transmitting a torque to the at least one vehicle axle; a position sensing device for ascertaining a rotor position of the rotor; an electronic power unit that is connected to the electric motor for supplying electrical energy to the electric motor, wherein the electronic power unit furthermore comprises an evaluating device for evaluating the signals of the position sensing device and is connected to an evaluating device that is embodied as a separate device, wherein the position sensing device is integrated at least in part in the electronic power unit or the evaluating unit.

主权项

1. An electric vehicle axle mechanism (12) comprising:
at least one vehicle axle (17), a gear mechanism (18) that is connected to the vehicle axle (17), an electric motor (14) that comprises a rotor and an output shaft (32), wherein the output shaft (32) has a longitudinal axis and is connected to the gear mechanism (18) for transmitting a torque to the at least one vehicle axle (17), a position sensing device (28, 30) for ascertaining a rotor position of the rotor, an electronic power unit (15, 16) that is connected to the electric motor (14) for supplying electrical energy to the electric motor, the electronic power unit (15) including an inverter (16); and an evaluating device (29) for evaluating signals of the position sensing device, the evaluating device being part of the electronic power unit, wherein the position sensing device is integrated in the electronic power unit, wherein the electronic power unit (15) is spaced from the electric motor (14) along the longitudinal axis, and wherein the gear mechanism (18) is between the electronic power unit (15) and the electric motor (14) along the longitudinal axis.