In accordance with one aspect of the present disclosure, a wheel end apparatus for a vehicle is provided that includes a wheel hub assembly configured to be mounted to a spindle and a wheel hub of the wheel hub assembly. The wheel end apparatus includes a coil of wire and at least one magnet of the wheel hub assembly configured to move relative to one another with rotation of the wheel hub around the spindle. The wheel end apparatus includes a wheel end device operably coupled to the coil of wire to receive electrical power generated by relative movement of the coil of wire and the at least one magnet. Further, the wheel end apparatus includes communication circuitry operably coupled to the wheel end device and configured to wirelessly communicate wheel end device information with a wheel end monitoring device.

Provided is a wheel bearing apparatus with a generator that can have a simplified structure to reduce costs and is capable of preventing electrolytic corrosion. The wheel bearing apparatus with a generator includes a wheel bearing and a generator. The generator includes a stator attached to a fixed wheel and a motor rotor attached to a rotating wheel and is of an outer-rotor type in which the stator is located on an outer periphery of the wheel bearing, and the motor rotor is located radially outside of the stator. The wheel bearing apparatus with the generator further includes at least one conducting unit that conducts a current between the fixed wheel and the rotating wheel.

A bearing arrangement includes a shaft, at least one contact bearing and at least one non-contact bearing and a controller. The controller is configured to control a magnitude of a restoring force applied to the shaft by the non-contact bearing in accordance with a sensed parameter such that a stiffness of the shaft is modified such that one or more resonance frequencies of the shaft are moved away from one or more external forcing frequencies.

The present invention relates to a system configured to monitor a condition of a rotating system comprising a main bearing, the monitoring arrangement having a first measurement device configured to be arranged at a first location in proximity of the main bearing for determining a first measurement indicative of a current flow at the first location, and a control unit connected to the measurement device. The control unit is further configured to form a first parameter based on the first measurement, match the first parameter with a plurality of predetermined current flow profiles, each of the plurality of predetermined current flow profiles being indicative of a condition of the rotating system, determine, if a matching current flow profile is found, a relevance level for the corresponding condition, and provide an indication of an alarm if the relevance level is above a predetermined threshold.

The invention relates to a drive mechanism (1) for rotatably coupling a first system part or machine part, preferably an assembly (A), to a base, pedestal or frame or to another system part or machine part, for example for rotary positioning during the processing of large workpieces or during the moving of loads, which drive mechanism comprises two ring-shaped connecting elements (3, 4) each having at least one planar connecting surface (5, 6) and fastening means (7, 8) that are arranged distributed in a crown shape therein and effect connection to different system parts or machine parts or the like, said two connecting elements (3, 4) being arranged concentrically with each other and radially one inside the other with a gap-shaped interspace (9) in which are disposed one or more rows of rolling elements (14, 15, 16), each row whereof rolls between two respective raceways (17, 18) on the two connecting elements (3, 4), thus enabling same to rotate relative to each other, at least one connecting surface (5, 6) and at least one raceway (17, 18) being formed by machining or shaping a common base body. The invention is characterized in that at least one fully circumferentially extending row of magnets (40) is arranged inside the gap (9) on one connecting element (3, 4) and at least one fully circumferentially extending row of coils (38) is arranged directly opposite said magnets on the other connecting element (4, 3). According to the invention, at least one fully circumferentially extending row of magnets is arranged inside the gap on one connecting element and at least one fully circumferentially extending row of coils is arranged directly opposite said magnets on the other connecting element.

The present invention relates to a connecting element for electrical and mechanical connection of electronics modules. The connecting element includes a base part having a receptacle area that serves to hold an electronics module, wherein the receptacle area has first electrical contact points for the electrical connection of the connecting element to electrical contact points of the electronics module. The base part includes a first end region having a first recessed section on the top side and has a second end region having a second recessed section on the bottom side. Second electrical contact points for connecting to further connecting elements are disposed on the top side of the first recessed section and on the bottom side of the second recessed section. The recessed sections are designed such that the end regions of connecting elements that are located next to each other can be positioned opposite one another in such a way that the top sides of the connecting elements are located on a plane and the bottom sides of the connecting elements are located on another plane. The second electrical contact points are disposed in such a way that the connecting elements can be positioned at different angles (a) with respect to one another. The invention also relates to an electronic module arrangement having at least one connecting element and an electronics module disposed in the receptacle area of the connecting element.

A sealing apparatus is provided that is capable of inhibiting a degradation in electrical conductivity performance. The sealing apparatus includes an outer seal part and an inner seal part, and conductive grease housed in a space. An outer elastic body part of the outer seal part is formed from an elastic body having electrical conductivity and includes a dust lip, a conduction lip, and a gasket part. At an annular fitting surface, the inner seal part is attached to the outer seal part. An inner elastic body part of the inner seal part is formed from an elastic body having electrical conductivity and includes a grease lip. The outer seal part has a spring that is put on an outer periphery side of the conduction lip to press the conduction lip against an inner peripheral member.

The invention relates to a bearing arrangement (12) for a part to be mounted such that the part rotates about an axis, such as a cylinder, roller, drum or shaft, comprising at least one rolling bearing (23), which is accommodated in a bearing housing (27), which is mounted movably in an arrangement housing (29) in a linearly movable manner by at least one linear guide (28), and also including an actuation device (1) for effecting a linear shifting movement of the bearing housing perpendicularly to the axis between a rest position and a working position. The actuation device includes at least one prestressed spring element, which presses the bearing housing into the working position, and at least one hydraulic or pneumatic device for generating a restoring force acting counter to the spring element for moving the bearing housing into the rest position.

A sliding linear bearing includes a guide shaft on which a slider is movably guided in a guide direction. Bushes are inserted between the guide shaft and the slider including a main bush that is fixedly attached to the slider and a preloading bush that is held so as to be rotatable relative to the slider about the guide direction while being preloaded with a torque. The main bush and the preloading bush are preloaded by the torque in opposite directions of rotation without play relative to the guide shaft. A contact region between each of the bushes and the guide shaft blocks rotation about the guide direction between the slider and the guide shaft in both directions of rotation.

A rolling bearing unit includes: an inner ring member having a recess on a first side in an axial direction along a rotation axis, which is recessed toward a second side in the axial direction; an outer ring member on an outer peripheral side of the inner ring member; a rolling body between the inner ring member and the outer ring member; a non-contact transmitter using electric field coupling capable of transmitting at least one of an electric power or a signal and including a stationary-side transmission part including a stationary-side electrode and a rotary-side transmission part including a rotary-side electrode facing the stationary-side electrode; and a covering member supported by the first side of the outer ring member in the axial direction, covering the first side of the inner ring member in the axial direction, and fixing the stationary-side transmission part to the first side in the axial direction.