Abstract: An electrical motor includes a housing, a stator seated in the housing, wherein the stator includes a plurality of stator teeth which extend in the radial direction toward the rotor, a yoke that connects the stator teeth is arranged in such a way that a plurality of first clearances are formed between the housing and the yoke and a plurality of second clearances are formed between the yoke and a free end of the stator teeth, and a coolant guide in contact with at least one axial lateral surface of the yoke, wherein the stator is in interlocking contact with the inner side of the housing.

Abstract: An electrical motor includes a housing, a stator seated in the housing, wherein the stator includes a plurality of stator teeth which extend in the radial direction toward the rotor, a yoke that connects the stator teeth is arranged in such a way that a plurality of first clearances are formed between the housing and the yoke and a plurality of second clearances are formed between the yoke and a free end of the stator teeth, and a coolant guide in contact with at least one axial lateral surface of the yoke, wherein the stator is in interlocking contact with the inner side of the housing.

Abstract: The electrical motor includes a stator and a rotor configured to be rotated about an axis wherein the rotor includes at least three rotor subsegments, wherein a first and second rotor subsegment can be turned relative to one another about the axis in response to a rotation speed range being above a predetermined threshold value of a rotation speed of the electrical machine.

Abstract: A rotor for an electrical machine includes a rotor body and an axis of revolution which extends in an axial direction and about which the rotor body is rotatable. The rotor further includes an outer casing surface which delimits the rotor body, at least one pole arrangement, and a movement mechanism for the at least one pole arrangement. The movement mechanism is designed such that the at least one pole arrangement is movable about a rotation axis which is oriented substantially parallel to the axis of revolution of the rotor. The at least one pole arrangement is also movable about the rotation axis in addition to rotation about the axis of revolution of the rotor.

Abstract: An internal rotor for an electric machine includes a rotational axis, an outer circumferential face which delimits the internal rotor, a pole arrangement comprising a centroid, and an actuating mechanism for moving the pole arrangement towards the rotational axis or away from the rotational axis to set a first spacing between the outer circumferential face and the centroid. In an example embodiment, the actuating mechanism has an actuator for moving the pole arrangement. The actuator has a hydraulically operable piston, a pneumatically operable piston, an electric motor actuator, or converts an axial force to a radial force. In an example embodiment, the actuating mechanism is operatively connected to the pole arrangement. The actuating mechanism is arranged between the rotational axis and the pole arrangement, or the actuating mechanism is arranged between the outer circumferential face and the pole arrangement.

Abstract: The electrical motor includes a stator and a rotor configured to be rotated about an axis wherein the rotor includes at least three rotor subsegments, wherein a first and second rotor subsegment can be turned relative to one another about the axis in response to a rotation speed range being above a predetermined threshold value of a rotation speed of the electrical machine.

Abstract: A rotor for an electrical machine includes a rotor body and an axis of revolution which extends in an axial direction and about which the rotor body is rotatable. The rotor further includes an outer casing surface which delimits the rotor body, at least one pole arrangement, and a movement mechanism for the at least one pole arrangement. The movement mechanism is designed such that the at least one pole arrangement is movable about a rotation axis which is oriented substantially parallel to the axis of revolution of the rotor. The at least one pole arrangement is also movable about the rotation axis in addition to rotation about the axis of revolution of the rotor.

Abstract: An internal rotor for an electric machine includes a rotational axis, an outer circumferential face which delimits the internal rotor, a pole arrangement comprising a centroid, and an actuating mechanism for moving the pole arrangement towards the rotational axis or away from the rotational axis to set a first spacing between the outer circumferential face and the centroid. In an example embodiment, the actuating mechanism has an actuator for moving the pole arrangement. The actuator has a hydraulically operable piston, a pneumatically operable piston, an electric motor actuator, or converts an axial force to a radial force. In an example embodiment, the actuating mechanism is operatively connected to the pole arrangement. The actuating mechanism is arranged between the rotational axis and the pole arrangement, or the actuating mechanism is arranged between the outer circumferential face and the pole arrangement.

Abstract: A circuit for controlling a hybrid drivetrain, including an alternating current electric machine, a first battery, a second battery, a first pair of complementary transistor switches arranged to complete a first direct current circuit to charge the first battery or to complete a second direct current circuit to discharge the first battery, a second pair of complementary transistor switches arranged in parallel and arranged to complete a third direct current circuit to charge the second battery or to complete a fourth direct current circuit to discharge the second battery, an inverter arranged to convert direct current electrical energy from the first and second batteries into alternating current electrical energy, arranged to supply the alternating current electrical energy to the electric machine, and also arranged to transmit voltage modulations caused by damping vibrations within the drivetrain, and a control unit operatively arranged to control the first and second pair of switches.

Abstract: A drivetrain having an active torsional vibration damping and a method for carrying out the active torsional vibration damping, having an internal combustion engine being affected by torsional vibrations and having a crankshaft, a torsional vibration damper that is operatively connected to the crankshaft and has at least one operating point of low vibration isolation of the torsional vibrations and has a primary inertial mass associated with the crankshaft and an inertial mass associated with a gear input shaft of a gearbox, the inertial mass being rotatable relatively and limitedly with respect to the primary inertial mass against the action of a spring device. The drivetrain also includes an electric motor having a rotating mass operatively connected to the gearbox input shaft, and a control unit, the spring device being formed by linear springs, the rotating mass of the electric motor being designed as a secondary inertial mass.

Abstract: A circuit for controlling a hybrid drivetrain, including an alternating current electric machine, a first battery, a second battery, a first pair of complementary transistor switches arranged to complete a first direct current circuit to charge the first battery or to complete a second direct current circuit to discharge the first battery, a second pair of complementary transistor switches arranged in parallel and arranged to complete a third direct current circuit to charge the second battery or to complete a fourth direct current circuit to discharge the second battery, an inverter arranged to convert direct current electrical energy from the first and second batteries into alternating current electrical energy, arranged to supply the alternating current electrical energy to the electric machine, and also arranged to transmit voltage modulations caused by damping vibrations within the drivetrain, and a control unit operatively arranged to control the first and second pair of switches.

Abstract: A drivetrain having an active torsional vibration damping and a method for carrying out the active torsional vibration damping, having an internal combustion engine being affected by torsional vibrations and having a crankshaft, a torsional vibration damper that is operatively connected to the crankshaft and has at least one operating point of low vibration isolation of the torsional vibrations and has a primary inertial mass associated with the crankshaft and an inertial mass associated with a gear input shaft of a gearbox, the inertial mass being rotatable relatively and limitedly with respect to the primary inertial mass against the action of a spring device. The drivetrain also includes an electric motor having a rotating mass operatively connected to the gearbox input shaft, and a control unit, the spring device being formed by linear springs, the rotating mass of the electric motor being designed as a secondary inertial mass.

Abstract: A method for controlling a hybrid drivetrain in a motor vehicle having an internal combustion engine, which has a crankshaft and an electric machine which can be operated as a motor and generator, having a rotor operatively connected to the crankshaft, having a torsional vibration damper operatively connected to the crankshaft, having a battery device for exchanging electrical energy with the electric machine, and having a control unit for controlling the battery device and the electric machine, and a corresponding battery device. To operate the electric machine with rapidly changing motor and generator operation without damaging the battery device, the electric machine is operatively connected to at least first and second electric batteries of the battery device, where at least part of the time one of the batteries is charged in the rhythm of occurring residual vibrations of the torsional vibration damper, while the other is discharged.