Abstract: A bearing ring (160, 260, 310, 410) exhibiting an inner (155, 255) and an outer (140, 240) periphery, also exhibiting a raceway (121, 221) for rolling elements on one of said peripheries, the bearing ring exhibiting a gear structure (131-138, 231-238) on one of said peripheries, as well as exhibiting at least one welding joint (151, 251). The welding joint has been formed by flash butt welding. Preferably, the gear structure (131-138, 231-238) and/or the raceway (121, 221) have been formed by rolling, machining or a combination thereof.

Abstract: A digital nonlinear corrector of an active magnetic bearing receiving an input signal x(t) and outputting an output control signal u(t) for controlling the position of said active magnetic bearing, the input signal being digitalized by a ADC circuit and provided to an adder, the digital nonlinear corrector comprising a closed control loop delivering an intermediary sequence of numbers y[kT] and having a direct branch comprising a first proportional gain circuit and a feedback branch comprising a series connection of a low-pass filter and a dead zone circuit, such that said low-pass filter is activated when determined upper and lower values of said output control signal are reached, the output control signal reproducing the input signal when these determined upper and lower values are not reached.

Abstract: A seal includes a sealing lip having a sealing region with a pumping structure that can abut on a first component. The pumping structure causes a liquid medium to move in a direction from a first axial side of the seal towards or to a second axial side of the seal when the first component rotates relative to a second component. The pumping structure includes at least one pumping groove that extends along a direction of extension and at least one retaining structure disposed in the at least one pumping groove. The at least one retaining structure reduces a cross-section of the at least one pumping groove, in at least one direction perpendicular to the direction of extension, to a value of between 50% and 90% of an extension of the cross-section of the pumping groove outside the at least one retaining structure along the at least one direction.

Abstract: A magnetic bearing, comprising: a magnetic base; at least three actuator bobbins mounted on the magnetic base; and magnetic sensors associated with the actuator bobbins. At least one magnetic system amidst the magnetic actuators and the magnetic sensors comprises together: a coil holder; a coil wound up around the coil holder; and a connector device integrated to the coil holder and designed for plugging at least one wire. Additionally disclosed is an apparatus comprising such a magnetic bearing and a method for manufacturing such a magnetic bearing.

Abstract: A sealing device for a wheel hub assembly having an outer ring and an inner ring. The sealing device includes a first (stationary) annular shield and a second (rotating) annular shield, each having a journalling portion and a flange portion radially extending in cantilever fashion from the journalling portion and towards the other shield; and an annular sealing element carried by the first shield and provided with a plurality of annular sealing lips. The first shield is coupled radially on the outside of the outer ring. The second shield flange portion includes a radially outer annular stretch opposite the journalling portion, extending axially towards the first shield and is incurved radially from the exterior towards the interior, on the side opposite the first shield, forming a U-arranged parallel to a common symmetry axis of the first and second shields, having a concavity thereof facing the side opposite the first shield.

Abstract: An assembly comprising at least an electrical component mounted on a substrate. The component includes at least a first electrode and a second electrode. The substrate includes at least a first electrical conductor and a second electrical conductor. The first electrode is electrically connected to the first electrical conductor and the second electrode is electrically connected to the second electrical conductor. In a direction perpendicular to the substrate, the first electrode is located between the first electrical conductor and the second electrode. The second electrode is connected to the second electrical conductor by a connecting element extending between the second electrode and the second electrical conductor.

Abstract: A mechanical system forming a cam follower or a rocker arm; the mechanical system including a support element, a pin extending between two opposite ends along a first axis and supported by the support element, and a roller mounted on the pin, movable in rotation relative to the pin around the first axis and adapted to roll on a cam. The mechanical system further includes an insert made from separate parts and including holding members supporting the pin ends.

Abstract: A structural element has at least one slide layer and is formed to slide via the at least one slide layer along at least one line of motion. The slide layer includes a fiber-reinforced material containing at least one multi-component fiber that includes at least one first component, which is disposed in or on at least one first structure, and at least one second component, which is disposed in or on at least one second structure. The first and second structures are materially-bonded together and are disposed parallel to each other in a main extension direction of the at least one multi-component fiber. Either the first component or the second component is polytetrafluoroethylene. The structural element may be formed, e.g., as a bearing ring, a slide bearing bushing, a linear guide or a spherical bearing ring.

Abstract: A mechanical system that forms a cam follower or a rocker arm. The mechanical system includes a support element, a pin extending between two opposite ends along a first axis, and a roller mounted on the pin, movable in rotation relative to the pin around the first axis and adapted to roll on a cam. The support element further comprises an insert having holding members supporting the pin ends, provided with cut-outs having a shape complementary to the shape of the pin-ends, for assembling pin with insert by quarter-turn around the first axis. The pin ends each have a flat surface and an external surface. A first dimension of each pin end, measured perpendicularly to the flat surface, between the flat surface and the external surface of the pin end, is higher than half the outer diameter of the pin ends.

Abstract: A rolling bearing assembly comprises a bearing including a rotating ring and a stationary ring, a sleeve in which the stationary ring of the bearing is mounted, a housing in which the sleeve is mounted, a shaft with which the rotating ring of the bearing is coupled in rotation with respect to the housing and a sensor unit including an impulse ring coupled in rotation to the rotating ring and a sensing unit comprising at least one sensing element mounted in a sensor body. The sleeve, on the one hand, supports both the stationary ring of the bearing and the sensor body and, on the other hand, compensates thermal dilatations between the housing and the stationary ring.

Abstract: A condition monitoring system (CMS) for vehicle bearing units, including at least one condition monitoring unit (CMU) for measuring at least one operating parameter of one bearing unit and a control unit for receiving and processing signals from the CMU. The control unit is configured to activate/deactivate the CMU(s) upon reaching at least one predetermined waypoint stored in a waypoint memory of the control unit. The CMS can be equipped with a waypoint setting unit for setting the at least one waypoint at which the CMU(s) shall be activated/deactivated and to store the waypoint in the waypoint memory. The waypoint setting unit processes route data includes data on at least a curviness of at least one route intended for vehicle travel. The processing includes extracting at least one route section within the curviness of the route within a predetermined range and setting the waypoint(s) within the extracted route section.

Abstract: A condition monitoring system for bearing units for vehicles, the system including at least one condition monitoring unit for measuring at least one operating parameter of one bearing unit and a control unit for receiving and processing signals obtained from the condition monitoring unit. The system additionally includes a circuit for detecting a geographic position, wherein the condition monitoring unit is configured to be at least one of activated and deactivated depending on the detected geographic position.

Abstract: A user interface actuator for a pilot-by-wire system comprises a rotary electric motor having an output shaft suitable to be connected to a rotating user interface, a first absolute angular sensor for detecting in direct drive the number of revolutions of the shaft and a second absolute angular sensor redundant with respect to the first absolute angular sensor.

Abstract: The invention presents a cage (1) for separating rollers in a toroidal roller bearing. The cage (1) comprises a first and second annular ring (2, 3), a plurality of elongated axial members (4) interposed between the first and second annular ring to thereby form a number of roller pockets (5). The cage further presents a portion (6) extending radially inwardly on at least one of the first and second annular ring. The portion further extends in at least a part of the circumference of the at least one first and second annular ring. The radially outer peripheral surface of the annular ring presenting the portion presents axial grooves (7) at least at the circumference having the portion, wherein each axial groove is located at the axial end face of each roller pocket in such a way that a roller can be inserted and pulled out via the axial groove into and out of each roller pocket.

Abstract: A sensor-bearing unit, adapted for implementation in an oil lubricated environment and comprising: a bearing including at least one rotating ring movable in rotation around a central axis, and a detection device for tracking the rotation of the rotating ring. The detection device is locked to the bearing and includes at least one target and at least one sensor associated with the target. At least one axial side of the bearing includes a passage opened along an axial direction parallel to the central axis and allowing an oil flow through the bearing. The detection device includes an air gap defined radially to the central axis between a maximum outer radius of the target and a minimum inner radius of the sensor.

Abstract: A compression system and method of manufacturing a compression system are provided. The compression system includes a compressor, and a tank rotatably coupled with the compressor and configured to receive a compressed fluid therefrom. The compression system further includes a sheave configured to receive a hose, with the sheave being coupled with the tank such that the sheave and the tank are rotationally fixed relative to one another and rotatable with respect to the compressor.

Abstract: The present application relates to a lubrication system (S) comprising dosing means (1-1) for feeding lubricant to a lubrication point. The invention is based on the idea that computerized control means (1-5, 1-6) are arranged to control the operation of the lubrication system (S). The dosing means (1-1) are configured to operate responsive to a control signal provided by the control means (1-5, 1-6) to adjust the amount of lubricant to be fed by the dosing means (1-1, 1-2) to a lubrication point as required by the control means, wherein the amount of lubricant can be adjusted lubrication-point-specifically.

Abstract: A screw mechanism comprising a screw provided with an outer thread, a nut surrounding and coaxial with the screw, the nut being provided with an inner thread, and a plurality of rolling elements radially disposed between the screw and the nut and engaged in both of the outer and inner threads. A contact diameter Dcontact between the rolling elements and the nut is defined by: D contact ? L ? × tan ? ( ? ) wherein L corresponds to the lead of the screw mechanism and ? corresponds to a determined non-back-driving factor which is chosen from 0°<??1°. The contact diameter is provided in order to prevent back-driving of the mechanism.

Abstract: An instrumented bearing, which includes an outer race and an inner race between which a rolling chamber is delimited. Rolling bodies are disposed in the rolling chamber. The bearing additionally includes a member isolating the rolling chamber from the outside; and a measuring device including at least one sensor adapted to measure at least one operating parameter of the instrumented bearing. At least one measuring device can be mounted to the member isolating the rolling chamber from the outside.

Abstract: A seal assembly includes a race and a seal ring, and the race includes an axially extending race section and at least one radially extending race section that meet at a transition region. The radially extending race section is disposed at a first axial end of the axially extending race section, the seal ring includes at least one first seal lip configured to abut on the axially extended race section, and the transition region includes at least one through opening or at least one gap.