Abstract: A rotor for an electric machine, including a rotor shaft (1) on which an axial stop is provided, which is formed by a securing ring (3) received in a slot (4) in the shaft, and a rotor body (6) pushed onto the rotor shaft (1) and supported axially on the stop. The securing ring (3) is received in a recess (10) in the rotor body (6) and is radially surrounded by the latter.

Abstract: A rotary actuator for a flight control surface includes a first electric motor connected to a first geartrain having planetary gearsets in series and a first drive gear driven by the first electric motor via the first geartrain. The first geartrain and the first drive gear define a first powertrain. The rotary actuator also includes a second electric motor connected to a second geartrain having planetary gearsets in series. The second geartrain is separate from the first geartrain. The rotary actuator further includes a second drive gear driven by the second electric motor via the second geartrain. The second geartrain and the second drive gear define a second powertrain that is coaxial with the first powertrain. Additionally, the rotary actuator includes an output shaft parallel to the first and second powertrains. The output shaft is driven simultaneously via the first and second drive gears.

Abstract: An electrical machine for a motor vehicle drive, including a main housing body a stator, which is fastened to the main housing body by at least one fastening element and a rotor connected to a connection shaft for conjoint rotation. The connection shaft is radially and axially supported by a main rolling element bearing, either on the main housing body directly or on the main housing body indirectly the stator.

Abstract: An axial flux machine includes a rotor mounted rotatably relative to a stator. The stator has at least one first disc-shaped stator body, and the rotor and also the first stator body are arranged such that a first magnetically active gap running in a radial plane is formed axially between the first stator body and the rotor. The stator is surrounded at least in portions by a motor housing; a ring-segment-shaped groove which is open towards the first stator body and extends in a radial plane is formed; and a plurality of cooling openings are provided in the motor housing in the region of the ring-segment-shaped groove, by means of which cooling openings a cooling fluid that can be introduced into the ring-segment-shaped groove can be applied to the first stator body.

Abstract: A linear actuator for a flight control surface including at least one electric motor, a threaded shaft rotationally driven via the at least one motor about a threaded shaft pivot axis, first and second threaded nuts axially displaced via rotation of the threaded shaft, and an output shaft coupled to the threaded shaft, such that axial displacement of the first and second threaded nuts rotates the output shaft about an output shaft pivot axis that is substantially parallel with the threaded shaft pivot axis. Rotation of the threaded shaft in a first rotational direction via the at least one motor prompts movement of the first and second threaded nuts axially toward each other. Further, rotation of the threaded shaft in a second rotational direction opposite the first rotational direction via the at least one motor prompts movement of the first and second threaded nuts axially away from each other.

Abstract: A harmonic drive is disclosed that includes a flexible ring element, which can be deformed in a locally radial manner in the circumferential direction by a wave generator with a non-round outer peripheral surface and which includes an outer toothing, and a rigid ring element with an inner toothing. The outer toothing of the flexible ring element at least partly meshes with the inner toothing of the rigid ring element in order to transmit a torque at at least one tooth engagement region, wherein the wave generator has a non-round first inner ring which protrudes at least partly into the flexible ring element and is rotationally fixed to a shaft. The harmonic drive additionally comprises a first bearing element, comprising a second inner ring and at least one first outer ring, said second inner ring being secured to the rigid ring element. Each outer ring is secured to the flexible ring element.

Abstract: A rotor assembly includes a rotor for an electric motor, a rotor carrier non-rotatably connected to the rotor, a rotor carrier flange, and a split spring. The rotor carrier includes a groove and a castellated portion and the split spring is disposed in the groove and arranged to clamp the rotor carrier flange against the castellated portion. The split spring may include an annular portion disposed in the groove and a tapered portion extending radially inwards from the annular portion. The split spring may also include a cut portion separating opposite circumferential ends of the annular portion.

Abstract: A drive system for a motor vehicle includes a first axle drive train which drives a first vehicle axle and is accommodated in a first drive train housing. A first electric machine and a first transmission arrangement form a first structural unit with the first electric machine. A second axle drive train drives a second vehicle axle and is accommodated in a second drive train housing and has a second electric machine and a second transmission arrangement forming a second structural unit with the second electric machine. The first electric machine and the second electric machine as well as the first transmission arrangement and the second transmission arrangement are substantially identically constructed.

Abstract: An electrical axial flux machine, in particular for a drive train of a hybrid or fully electrically operated motor vehicle is provided. The axial flux machine includes a stator having a plurality of stator coils distributed over the circumference of the stator; power electronics for supplying current to the stator coils; and a high-voltage terminal for establishing an electrical connection between the stator coils and the power electronics. Busbars are located above the stator coils, in the radial direction. The busbars enclosing, in an annular manner, the stator and/or a rotor that can be rotated relative to the stator, and electrically conductively connecting the stator coils to the high-voltage terminal.

Abstract: An electrical system with optimised heat dissipation and an electrical drive unit having the electrical system is disclosed. The electrical system has a bus bar, a housing element, and a heat-conducting element which contacts the bus bar in a thermally conductive manner. At least part of the housing element includes, on a side facing the bus bar, a shaped element which projects from an outer extension plane and forms a contact surface against which the heat-conducting element (40) bears in a thermally conductive manner.

Abstract: A module, in particular a rotor assembly (2) or stator assembly (49), for an electrical machine (1, 45), including multiple components (3), wherein at least one volume filled with a damping fluid is formed between at least two of the components (3), wherein, for the purpose of vibration damping, the damping fluid is displaceable as a result of a change in the geometry of the volume resulting from an elastic vibration of at least one component (3) adjacent to the volume.

Abstract: An electric machine designed as a permanently excited synchronous machine, including a rotor with a rotor body arranged on a rotor shaft, a stator, and a displacement device that generates a relative axial movement between the rotor body and the stator based on a torque produced between the rotor shaft and the rotor body. The displacement device has first and second displacement elements and at least one rolling body arranged between the first and second displacement elements. The first displacement element is axially movable and rotatable to a limited degree on the rotor shaft, and the second displacement element is connected to the rotor shaft rotationally fixed. The displacement elements provide that upon rotation of the first displacement element relative to the second or vice versa, the rotor body is pushed on the rotor shaft axially against the spring force.

Abstract: A bearing, in particular to a self-aligning roller bearing, with a fastener of a sealing disc, which fastener increases the load-bearing strength. The bearing includes a bearing ring with an annular sealing disc which is connected to one of the two bearing ring end surfaces by a fastener which have a shank and a head, which has an enlarged diameter with respect to the shank, and the respective shanks reach through the bores which are made in the respective end surface. Here, the annular surfaces have a cylindrical contour, with the result that the other annular surface provides a raceway, wherein the raceway has a spherical contour, and the bore center axis of each bore in the bearing ring and in the sealing disc has an engaged profile which converges onto the cylindrical contour of the one annular surface.

Abstract: A vehicle ride-height adjustment device with a locking mechanism that has a simple control path and avoids the need for a separate actuator to control locking. The locking mechanism includes a locking gear coupled for rotation with a driven gear of a ride-height actuator, a locking pawl supported adjacent the driven gear for pivoting movement between a locked position engaged with a surface of the locking gear and restricting rotation thereof in at least one direction and a disengaged position spaced apart from the locking gear and permitting rotation of the driven gear. A shifting fork is coupled for rotation with the drive gear configured to move the locking pawl between engaged and disengaged positions. A torque limiter allows the shifting fork to rotate independent from the drive gear when a torque threshold is exceeded.

Abstract: A milling tool includes a main body and a plurality of cutting inserts with respective cutting edges. The main body has an end face and a barrel-shaped curved lateral face. A first group of the plurality of cutting inserts are fastened on the end face, a second group of the plurality of cutting inserts are fastened on the barrel-shaped curved lateral face, and the respective cutting edges describe a barrel shape. Each one of the plurality of cutting inserts may be designed as an indexable insert.

Abstract: A hydraulic assembly of an electrically operable axle drive train having at least one electric machine and having a control unit, the hydraulic assembly including a first hydraulic pump for conveying a first hydraulic fluid from a hydraulic reservoir into a first hydraulic path, which is coupled to a first hydraulic connection point of a first switching valve, wherein the switching valve has a second hydraulic connection point, which is coupled to a second hydraulic path, the second hydraulic path connecting the second hydraulic connection point to a first cooling fluid connection point of the electric machine, and the electric machine including a second cooling fluid connection point, which is connected to a third hydraulic path coupled to a third connection point of the first switching valve, and wherein the first switching valve has a fourth hydraulic connection point, which is coupled to a fourth hydraulic path leading into the hydraulic reservoir.

Abstract: An electric axial flux machine, in particular for a drive train of a hybrid or fully electrically operated motor vehicle is disclosed. The axial flux machine includes a stator having a first annular disc-shaped stator body; and a rotor arranged axially at a distance from said stator. The axial flux machine also has a rotor position sensor which comprises a sensor target and by means of which the position of the rotor relative to the stator can be determined. The rotor position sensor with the sensor target is positioned radially inside the first annular disc-shaped stator body with at least one overlap region, that is axial in sections, with the first stator body inside the axial flux machine.

Abstract: A steering assembly for a vehicle including a housing and a shaft assembly supported in the housing. The shaft assembly includes a spindle and an anti-rotation component coupled to the spindle. The anti-rotation component restricts rotation of the spindle while permitting translation of the spindle relative to the housing. The spindle and the anti-rotation component are coupled together with a tolerance ring. The spindle can have a circular cross-sectional profile portion adapted to be received in a circular opening of the anti-rotation component. The tolerance ring can be interposed between the circular cross-sectional profile portion of the spindle and the anti-rotation component.

Abstract: An axial rolling bearing unit includes a first annular axial bearing washer, a second annular axial bearing washer, a bearing cage, and rolling elements arranged between the first annular axial bearing washer and the second annular axial bearing washer. The bearing cage includes an inner radial edge rim extending in an axial direction to radially guide the rolling elements, and an outer radial edge rim extending in the axial direction to radially guide the rolling elements. The inner radial edge rim or the outer radial edge rim includes an end-side bend extending in an opposite axial direction as a double-rim design, and the end-side bend has a first distal end section that holds the first annular axial bearing washer in a form-fitting manner. The other one of the inner radial edge rim or the outer radial edge rim holds the second annular axial bearing washer in a form-fitting manner.

Abstract: A clutch for selectively coupling a motor to a motor vehicle drivetrain includes a sliding sleeve, an actuating cap arranged for moving the sliding sleeve, a housing comprising two pressure chambers, and a piston arranged in a pressure-dependent axially movable manner between the two pressure chambers. The actuating cap has a cantilever-like arm with a snap closure at a free end, and the snap closure is arranged to engage on the sliding sleeve. In an example embodiment, the actuating cap has a main body and a slit extending between the cantilever-like arm and the main body, the cantilever-like arm projects from the main body, and the slit is arranged to adjust a stiffness of the cantilever-like arm in an axial direction and a radial direction.