A bearing arrangement for mounting a wheel and an electric motor or generator having a stator and a rotor to a vehicle, the bearing arrangement comprising a sealing element and a bearing block, wherein the bearing block includes a first coupling element for coupling to a first radial wall of the rotor and the wheel, and a second coupling element for coupling to the stator and/or the vehicle, with a first bearing mounted between the first coupling element and the second coupling element to allow the first coupling element and the second coupling element to rotate relative to each other, wherein the first coupling element includes a mounting flange having a bolt hole arranged to extend through the mounting flange for receiving a bolt at a first aperture of the bolt hole for coupling the rotor and the wheel to the first coupling element, wherein the sealing element is arranged to be mounted over a second aperture of the bolt hole for inhibiting the ingress of dirt through the bolt hole.

An electric wheel, a remote controller, a vehicle using the electric wheel, and a method for driving a vehicle are disclosed. The electric wheel include a fixed wheel hub, a rotary wheel hub, a tire, a driving motor, and a battery and control unit. The fixed wheel hub may be connected with a vehicle shaft. The rotary wheel hub is mounted on the fixed wheel hub, with an accommodating cavity defined therebetween. The tire is attached around the rotary wheel hub. The driving motor is received in the accommodating cavity and configured to drive the rotary wheel hub. The battery and control unit is received in the accommodating cavity and configured to supply power to the driving motor and control operation of the driving motor. The battery and control unit comprising an embedded power supply to supply the power to the driving motor.

A wheel bearing arrangement of a vehicle axle is disclosed. The wheel bearing arrangement includes a wheel bearing, which contains at least two rolling element rows, for supporting a wheel hub which can be driven by a drive element. The rolling elements of the wheel bearing are guided in races of a stationary outer ring, the rotating wheel hub, and a separate inner ring which is allocated to the wheel hub. In the assembled state, the wheel hub of the wheel bearing arrangement and the drive element are operatively connected via gearing. The inner ring has a radially stepped inner contour, the inner contour having two diameters which differ from one another, and are received in a complementarily designed receiving area of the wheel hub. The position of the inner ring is fixed on the end face by a rolling riveted collar of the wheel hub.

A wheel assembly bushing for in-wheel electric motors where the bushing includes a hydraulic chamber positioned within a resilient sleeve of the bushing and a helical fluid channel that extends helically about an inner bushing member between first and second fluid channel ends, which are arranged in fluid communication with the hydraulic chamber. An outer body extends annularly about the resilient sleeve, which permits relative movement between the inner bushing member and the outer body. The fluid channel is configured to produce inertance. This inertance, when combined with other damping and stiffness effects of the wheel assembly bushing, provides phase and magnitude shifts between force and velocity, which ultimately reduce magnetic gap deformation in the in-wheel electric motor.

A drive assembly for a vehicle is disclosed. The drive assembly comprises a central hub having an axis of rotation; an in-wheel electrical machine comprising a stator and a rotor; and a rim assembly comprising an inward circumferential part and an outward circumferential part, said inward circumferential part and said outward circumferential part being disposed adjacent each other along said axis of rotation, each part comprising a rim section for carrying a respective tyre, wherein the rim assembly is coupled to the hub. The in-wheel electrical machine is arranged outwardly of, and coupled to, the hub. A vehicle comprising the drive assembly is also disclosed.

A transport device can be moved over a floor in order to transport at least one object and/or one person by means of at least one rolling device (3). A drive element (4) can be rotated at least indirectly using the rolling device (3). The drive element (4) comprises at least two drive magnets (12). An output element (7) is provided which has at least two output magnets (15). The number of drive magnets (12) differs from the number of output magnets (15). At least one non-magnetic shielding element (5) is provided in order to change the orientation of a magnetic field located between the chive element (4) and the output element (7). The output element (7) can be rotated. At least one stator winding (8) is arranged in which the output element (7) can be rotated about an axis of rotation (11) in order to generate electric current.

A sensor is mounted to or embedded in a wheel hub. The sensor node includes a power source and a sensing device that detects and monitors at least one parameter associated with the wheel hub. The sensor node also includes a communication module that communicates via wireless communication signals and a processing device in communication with the sensing device and the communication module. The processing device collects data from the sensing devices, processes the data, and based on that processing, communicates information relating to the wheel hub to a remote server or network. A mesh network of multiple sensor nodes can be applied to multiple different wheel hubs on a vehicle and communicate with a central processing device. The processing device can thus monitor performance and/or operation of each wheel hub.

A vehicle wheel drive device includes: a rotary electric machine that is received on a radially inner side of a vehicle wheel shaped in a cylindrical tubular form and is configured to rotate the vehicle wheel; and a brake device that includes a brake disc and a brake caliper. The brake device is configured to generate a braking force relative to the vehicle wheel. The rotary electric machine includes a rotor and a stator which are opposed to each other in a radial direction. A hollow space is formed on a radially inner side of a magnetic circuit unit that is formed by the rotor and the stator. The brake device is placed in the hollow space in a state where the brake caliper is fixed to an axial end surface of the stator which faces in an axial direction, and the brake disc is rotatable integrally with the rotor.

A rolling device having a bearing housing accommodating a wheel axle, a drive motor with first and second motor parts for conduction of relative rotation between a wheel element and the wheel axle, end portions of the wheel axle being connected to axle support members in an eccentric position displaced from the center line of the axle support members, and locks operable between an unlocked position allowing rotation of the axle support members relative to the bearing housing, and a locking position preventing the rotation of the axle support members, wherein in the unlocked position, the motor conducts rotation of the axle support members and wheel axis for displacement of the wheel element by an eccentric movement between an extended position where at least a portion of the wheel element projects outside the bearing housing and a retracted position where the wheel element is located inside the bearing housing.

In a propulsion device including a main wheel having a plurality of driven rollers fitted on and arranged circumferentially along an annular core member so as to be rotatable around tangential lines of the annular core member at respective positions thereof on the annular core member, a pair of drive disks positioned on either side of the main wheel in an individually rotatable manner, a plurality of drive rollers supported along an outer periphery of each drive disk so as to be each rotatable around a rotational center line extending in a skewed relationship to a rotational center line of the corresponding drive disk, and a drive unit for individually rotatively driving the drive disks, a plurality of guide rollers are rotatably supported by a body frame and engage at least one driven roller not engaged by any of the drive rollers from either side.