Abstract: A cooling jacket (14) for cooling an electric motor, in particular a stator (23), wherein a first spiral line (16) for transporting a coolant is formed at least partially on the cooling jacket (14). The aim of the invention is to provide a cooling system that is optimized in terms of mounting space and ensures axially equalized cooling. This aim is achieved in that a second spiral line (17) for transporting coolant is formed at least partially, and in that based on a common spiral axis R, both spiral lines (16, 17) form an axially integrated double spiral, wherein the first spiral line (16) is an inflow line and the second spiral line (17) is a return flow line. The invention further relates to a deflection unit (12) for the return into the second line (17), which substantially prevents the static pressure from dropping.

Abstract: A basic housing for a wheel hub motor, which can be produced cost-effectively even in large quantities is provided. To this end, a basic housing (5) for a wheel hub motor (2) is proposed, wherein the basic housing (5) has a receiving area (14) for a stator (6), having at least one stator housing section (11) for arranging the stator (6), wherein cooling channels (15) for cooling the stator (6) are arranged in the stator housing section (11), and having a cooling device (26), wherein the cooling device (26) forms the cooling channels (15), wherein the stator housing section (11) is made of a plastics material, and wherein the cooling device (26) is at least partially embedded as a first insert in the plastics material in the stator housing section (11).

Abstract: A wheel hub motor for driving a motor vehicle is provided. Aging of the rolling element bearings used to support the rotor is prevented, while at the same time minimizing the emission of electromagnetic waves, in that the wheel hub motor includes a—rotor,—a hub (1), —a wheel bearing having a first bearing ring (2) which is non-rotatably and electrically conductively connected to the hub (1), and a second bearing ring (3) which is non-rotatably and electrically conductively connected to the rotor, and—a contact element (4) for creating an electrically conductive connection between said bearing rings (2, 3), the contact element (4) being supported against the hub (1) via a spring (6) and has a pressure contact with a potential equalization element (5) that is non-rotatably and electrically conductively connected to the second bearing ring (3).

Abstract: A control arm base (30) for connecting a control arm (10), particularly a divided control arm, for a wheel (20) to a vehicle, which control arm (10) includes at least two partial control arms (11a, 11b) which can be connected on the one hand to a vehicle-side joint (32a, 32b) and on the other to a wheel-side joint (13, 13a, 13b, 13c). In order to realize a targeted influencing of the longitudinal and transverse rigidity of the control arm with simple conventional joints, the control arm base (30) includes at least two vehicle-connecting joints (31a; 31b) for articulated connection of the control arm base (30) to the vehicle, and at least two partial control arm connecting joints (32a, 32b) for the vehicle-side articulated connection of each of the partial control arms (11a, 11b) to the control arm base (30). The invention further relates to a wheel suspension that includes such a control arm base (30).

Abstract: A driver assistance system (1) for a motor vehicle (2) is provided including a control device (3), with the control device (3) being designed to carry out a position control of the driving movement of the vehicle. The invention also relates to a method for assisting the driver of a motor vehicle (2), in which the following step is carried out: a position control of the driving movement of the vehicle is carried out by a control device (3).

Abstract: A rack (7, 31) for a rack-and-pinion steering system of a motor vehicle, having a variable toothing (12, 13) formed from a plurality of teeth (14, 15) arranged along a rack axis for the engagement of a pinion (18, 17, 43, 44), wherein the rack (7, 31) is formed by two rack parts (8, 9, 32, 33) that are arranged movably with respect to one another and which both have an identical variable toothing (14, 15) for the engagement of a respective pinion (16, 17, 43, 44).

Abstract: A control arm base (30) for connecting a control arm (10), particularly a divided control arm, for a wheel (20) to a vehicle, which control arm (10) includes at least two partial control arms (11a, 11b) which can be connected on the one hand to a vehicle-side joint (32a, 32b) and on the other to a wheel-side joint (13, 13a, 13b, 13c). In order to realize a targeted influencing of the longitudinal and transverse rigidity of the control arm with simple conventional joints, the control arm base (30) includes at least two vehicle-connecting joints (31a; 31b) for articulated connection of the control arm base (30) to the vehicle, and at least two partial control arm connecting joints (32a, 32b) for the vehicle-side articulated connection of each of the partial control arms (11a, 11b) to the control arm base (30). The invention further relates to a wheel suspension that includes such a control arm base (30).

Abstract: A wheel hub drive system with an electric motor that can be arranged inside a wheel rim, whereby the electric motor is formed by rotor that is at least indirectly joined to a wheel hub and by means of a stationary stator that can be supplied with alternating current. With an eye towards obtaining more space for the vehicle occupants, it is proposed to arrange the converter with its entire power electronics unit on the stator so that the wheel hub drive system can be operated with direct current from the battery of the vehicle, or else no alternating current lines have to be laid in the vehicle. Consequently, the alternating current is generated by the converter that is arranged in a converter housing attached axially next to the stator.

Abstract: A stator holding plate (1) for a wheel hub drive system, in particular for an electric and/or hybrid vehicle, which stator holding plate has a stator fastening portion (S) for the fastening of a stator (103, 105) of an electric motor to the stator holding plate (1) and has an inverter fastening portion (I) for the fastening of an inverter (30) to the stator holding plate (1). A wheel hub drive system equipped with the same.

Abstract: A wheel hub motor for driving a motor vehicle is provided. Aging of the rolling element bearings used to support the rotor is prevented, while at the same time minimizing the emission of electromagnetic waves, in that the wheel hub motor includes a—rotor,—a hub (1),—a wheel bearing having a first bearing ring (2) which is non-rotatably and electrically conductively connected to the hub (1), and a second bearing ring (3) which is non-rotatably and electrically conductively connected to the rotor, and—a contact element (4) for creating an electrically conductive connection between said bearing rings (2, 3), the contact element (4) being supported against the hub (1) via a spring (6) and has a pressure contact with a potential equalization element (5) that is non-rotatably and electrically conductively connected to the second bearing ring (3).

Abstract: An electromotive drive system, especially an electric wheel hub drive, for example, for an electric and/or hybrid vehicle. In order to protect heat-sensitive components of the electric motor against heat input stemming from a friction brake, the drive system includes a shielding device (1) having a coolant line (2, 2a, 2b) for cooling the shielding device (1) with a coolant. A shielding device (1), to an electric and/or hybrid vehicle as well as to a production method.

Abstract: A wheel hub drive system with an electric motor that can be arranged inside a wheel rim, whereby the electric motor is formed by rotor that is at least indirectly joined to a wheel hub and by means of a stationary stator that can be supplied with alternating current. With an eye towards obtaining more space for the vehicle occupants, it is proposed to arrange the converter with its entire power electronics unit on the stator so that the wheel hub drive system can be operated with direct current from the battery of the vehicle, or else no alternating current lines have to be laid in the vehicle. Consequently, the alternating current is generated by the converter that is arranged in a converter housing attached axially next to the stator.

Abstract: A stator holding plate (1) for a wheel hub drive system, in particular for an electric and/or hybrid vehicle, which stator holding plate has a stator fastening portion (S) for the fastening of a stator (103, 105) of an electric motor to the stator holding plate (1) and has an inverter fastening portion (1) for the fastening of an inverter (30) to the stator holding plate (1). A wheel hub drive system equipped with the same.

Abstract: A drive system, in particular a drive system of a wheel hub, for a motor vehicle, in particular an electric and/or hybrid motor vehicle, the drive system including an electric motor. In order to prevent moisture from accumulating in an internal chamber (1) of the drive system, the drive system includes a ventilation device (20) for aerating and de-aerating the interior chamber (1) of the drive system. The ventilation device (20) includes at least one air supply device (21) for supplying air into the internal chamber (1) of the drive system and at least one air removal device (22) for removing air from the internal chamber (1) of the drive system.

Abstract: A drive system, in particular for an electric and/or hybrid vehicle, including a static part (S) and a rotatably mounted part (D) and also an electric motor with a stator (1) and rotor (2), wherein the static part (S) includes the stator (1) and the rotatably mounted part (D) includes the rotor (2). To identify a tilt of the bearing or of the rotor, in particular in order to prevent abrasion of the rotor (2) against the stator (1) and/or to identify damage in the system, the drive system includes a bearing tilt detection system for detecting a bearing tilt of the rotatably mounted part (D), wherein the bearing tilt detection system evaluates data of the electric motor and/or of at least one sensor (10, 20, 30) with regard to whether a bearing tilt is present. The invention also relates to an electric and/or hybrid vehicle.

Abstract: A cooling jacket (14) for cooling an electric motor, in particular a stator (23), wherein a first spiral line (16) for transporting a coolant is formed at least partially on the cooling jacket (14). The aim of the invention is to provide a cooling system that is optimized in terms of mounting space and ensures axially equalized cooling. This aim is achieved in that a second spiral line (17) for transporting coolant is formed at least partially, and in that based on a common spiral axis R, both spiral lines (16, 17) form an axially integrated double spiral, wherein the first spiral line (16) is an inflow line and the second spiral line (17) is a return flow line. The invention further relates to a deflection unit (12) for the return into the second line (17), which substantially prevents the static pressure from dropping.

Abstract: An electric wheel drive (1) includes a wheel bearing (2) which has two parts (3, 4) which can be rotated relative to one another, namely an inner part (3) and an outer part (4), wherein a potential equalization element (15) which makes contact with the inner part (3) on its end side (13) is fastened to the outer part (4).