A bearing including a sidewall including an electrically conductive substrate, and an electrically non-conductive or low-conductive sliding layer coupled to the substrate, where the sidewall includes at least one circumferential rib feature protruding radially inward or radially outward from a bore defining a central axis, where the at least one circumferential rib feature has an aspect ratio between a circumferential length and an axial width of at least 2:1, where the circumferential rib feature is adapted to contact an opposing component such that at a point of contact the bearing has a void area free of sliding layer so as to provide electrical conductivity between the bearing and the opposing component.

A rotating device and a rotating radar device. The rotating device comprises a fixed platform and a rotating platform; the top of the fixed platform and the bottom of the rotating platform are rotatably connected by a rotating shaft, a first bearing, and a second bearing; the rotating shaft is connected to the inner ring; the fixed platform includes a carbon brush and a first magnetic member; the rotating platform includes a second magnetic member and a rotor conductive ring; an outer ring of the first bearing is connected to the fixed platform; an inner ring of the second bearing is connected to the fixed platform, and an outer ring of the second bearing is connected to the rotating platform.

A method of providing electrical insulation for at least one portion of a bearing element is disclosed herein. The method includes electrostatically spraying a polymer coating to the at least one portion of the bearing element, and the polymer coating comprises a thermoset epoxy coating or a self-adhering nylon powder coating. The bearing element can be grounded during the electrostatic spraying. The method includes heating the polymer coating in an oven at a temperature less than or equal to 220° C. for a predetermined time, such that after removal from the oven, the polymer coating has a porosity of less than 10%. The coated bearing element has a resistance of at least 50 MΩ resistance under dry conditions and 10 MΩ resistance under wet conditions.

A swivel joint includes a tail section and a body portion that define a passageway therethrough and which can rotate relative to one another. One or more seals and bearings can be disposed between the tail section and the body portion. An electrical conductivity grease fitting can be mounted within a bore hole in the body portion. The electrical conductivity grease fitting can have a lubricant passed therethrough to lubricate the bearings. The electrical conductivity grease fitting has a first portion in electrical communication with the body portion and a second portion that is biased into electrical communication with the tail section to maintain electrical conductivity between the tail section and the body portion.

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 discharge device for a rolling bearing as well as a method for discharging electrostatic loads to a rolling bearing including a flexurally elastic conductor. The conductor includes a first conductor section and a second conductor section for forming a contact arrangement at a rolling bearing. The first conductor section electrically engages a first bearing ring and the second conductor section electrically engages a second bearing ring of the rolling bearing to form an electrically conductive connection between the first bearing ring and the second bearing ring.

A bearing comprises: an inner ring; an outer ring rotatable relative to the inner ring; and an inductive sensor for detecting a measured variable corresponding to a rotation of the outer ring relative to the inner ring. The sensor comprises a stator torque-proof connected to one of the inner ring and the outer ring, and a rotor torque-proof connected to the other of the inner ring and the outer ring.

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.

A cardan shaft slip distance change detection system for determining the amount of length change of the cardan shaft, including a moveable element and a stationary element associated with a telescopic approach to compensate for the change of distance caused by the vehicle's axle movements. At least two conductive elements are configured as one of them connected to a fixed point, another to the moveable element. A power element is provided to supply power to at least one of the conductive elements. A detection unit measures the electrical value change provided by the electrical interaction between the conductive elements and correlating it with the distance between the conductive elements.

A combined insulator and conductor assembly for a bearing disposable between a shaft and a housing includes an annular insulator disposeable about the bearing outer ring and having inner and outer circumferential surfaces and formed of an electrically insulative material or having one or more insulative layers to prevent electric current flow between the outer ring and the housing. A conductive carrier includes a cylindrical portion having an inner surface disposed about the insulator outer surface and an outer surface disposeable against the housing inner surface and a disk portion extending radially inwardly from the cylindrical portion having an inner radial end spaced outwardly from the shaft. An annular conductive brush subassembly is coupled with the carrier disk portion and includes a plurality of electrically conductive fibers contactable with the shaft outer surface to provide a conductive path between the shaft and the carrier, and thereafter to the housing.