Abstract: The invention relates to a device for detecting the rotation speed of a rotating element supported by at least one external rotating ring with at least one roller bearing. At least one internal non-rotating ring of the roller bearing is solidly connected to a shaft mounted on a support. The inventive device includes a non-rotating sensor adjacent to the roller bearing and a rotating encoder. The encoder is at least partially fixed by magnetization to a flange which is integral to the rotating ring and which is made from a magnetizable material.

Abstract: Braked rolling bearing device of the kind for a control wheel, comprising an outer part and an inner part, one being able to rotate with respect to the other, which does not rotate, via at least one row of rolling elements arranged between the rotating and non-rotating parts, the device further comprising an element for detecting rotation parameters and an element for braking the rotating part. The braking element comprises at least one component equipped with flexible tabs bearing against an annular friction member.

Abstract: The invention concerns a roller device with instrumented ball bearing of the type supported by a non-rotating element and provided with a sensor of rotational parameters, characterised in that the ball bearing (2) and the sensor means (4) are rigidly mounted on a fixing element (3) adapted to co-operate with another mechanical member for fixing the device.

Abstract: An instrumented antifriction bearing, for control wheel, includes an outer part (1), an inner part (8), one rotating and the other non-rotating, a row of rolling elements (12) arranged between the rotating and non-rotating parts, and elements for detecting rotation parameters. The rotating part is provided at one of its axial ends with elements for fixing and angularly linking the rotating part on a control wheel, the non-rotating part comprising a radial surface (3a) provided with elements for being fixed on a support.

Abstract: An instrumented bearing, in particular for an electric steering wheel (12), comprises an outer element (1) and an inner element (6) whereof one is mobile relative to the other which is fixed, via at least a row of rolling elements (14) arranged between the elements, and by detection (22, 23, 31) of rotational parameters of the rotating element. The bearing further comprises electronic elements (34) for processing signals emitted by the detecting elements and electronic elements (35) for controlling at least an actuator electrically connected to the device, advantageously arranged on a printed circuit plate (33) fixed in rotation.

Abstract: The invention concerns a neutral point setting device for the rotating ring of a roller bearing (5) provided with an inner ring (6) and an outer ring (7), one of the rings being integral with a fixed element (9) and the other ring being integral with a rotating element (1). The return device comprises springs designed to apply a return torque on the rotating ring to return it to the neutral point and means for limiting in two directions the rotation of the rotating ring.

Abstract: The invention concerns an instrumented antifriction bearing device provided with a non-rotating part comprising a non-rotating ring (2) and sensing means (11), a rotating part comprising a rotating ring (4) and coding means (16), and at least a row of rolling elements (6) arranged between the two raceways (3, 5) of the non-rotating (2) and the rotating (4) rings, the sensing means (11) being fixed in a groove (10) of said non-rotating ring (2) arranged proximate to a radial lateral surface (2a) of the non-rotating ring (2). The non-rotating part further comprises sealing means (21) arranged axially between the sensing means (11) and the rolling elements (6) substantially at the groove (10), the sealing means (21) being separate from the sensing means (11).

Abstract: An instrumented roller bearing, in particular for an electrical steering wheel (12), comprises an outer component (1) and an inner component (6) whereof one is mobile in rotation relative to the other which is fixed, through at least a row of rolling elements (14) arranged between the components, and elements for detecting (22, 23, 31) the rotating parameters of the rotary component. The bearing further comprises electronic members (34) for processing signals emitted by the detecting elements and electronic elements (35) for controlling at least an actuator electrically connected to the device, advantageously arranged on a printed circuit wafer (33) fixed in rotation.

Abstract: A device for detecting one or more parameters of a rotary member angular displacement, includes: and instrumented roller bearing (1) provided with a non-rotating part including a non-rotating ring (2) and a sensor block (8), a rotating part including a rotating ring (2) and a coding ring (15) mounted opposite the sensor block (8) and at least a row of rolling elements (4); and elements for processing signals transmitted by the sensor block. The sensor block (8) comprises at least two sensing elements (9, 10) co-operating with the single coding ring, signals transmitted independently by each sensing element corresponding to the same parameter of angular displacement, so as to supply to the processing elements a redundant information on the parameter of angular displacement.

Abstract: The invention concerns a roller bearing including an outer ring, an inner ring, at least a row of rolling elements arranged between two raceways of the outer and inner rings, a seal between the outer and inner rings, and a data sensor assembly comprising a non-rotatable sensor unit borne by one of the rings and a rotatable encoding element borne by the other ring. An seal is provided on the side of the data sensor assembly to isolate the assembly from the inside of the roller bearing by co-operation with the rotating ring in a zone axially located between the encoder active part and the rolling elements.

Abstract: The invention concerns a locked antifriction bearing, for control wheel, comprising an outer part (1) and an inner part (8), one being rotating and the other non-rotating through at least a row of rolling elements (12) arranged between said rotating and non-rotating parts, said device further comprising means for detecting rotation parameters and means for braking (33) the rotating part. The braking means comprises an axial stack of discs maintained in frictional contact through at least a disc angularly secured to the non-rotating part and at least a disc integral with the rotating part. The braking means comprises at least an elastic washer (38) for providing axially prestressed mutual contact of the friction surfaces of the discs.

Abstract: The invention concerns an instrumented antifriction bearing device, provided with a non-rotating part comprising a non-rotating ring (2) and sensor means (14), a rotating part comprising a rotating ring (1) and encoding means (16), and at least a row or rolling bodies (6) arranged between two raceways of the non-rotating (2) and the rotating (4) rings. The non-rotating sensing means (14) and the rotating encoding means (16) form an assembly detecting rotation parameters. The device comprises means for temporarily maintaining the angular indexing of the encoding means (16) relative to the sensing means (14), in an angular position wherein said encoding means (16) generates in the sensing means (14) a reference signal, the means temporarily maintaining the angular indexing means being released by the axial dispalcement of at least part of an element of the device towards the row of rolling bodies.

Abstract: The invention concerns an instrumented bearing (1) comprising an outer ring (2), an inner ring (4), at least a row of rolling elements (6) arranged between a raceway of the outer ring (2) and a raceway of the inner ring (4), an assembly detecting rotation parameters comprising a sensor unit (11) integral with the non-rotating ring and supporting a sensing element (14) and a rotating coding member (16) forming a rotating part with the rotating ring, the coding member comprising an active part moving in rotation in front of the sensing element, the sensing unit and the non-rotating ring forming a fixed part. The rotating part comprises indexing means external to the active part of the coding element and capable of positioning at an angle said rotating part relative to a reference of the fixed part in a position wherein the coder generates in the sensing element a reference signal.

Abstract: Rolling bearing comprising a stationary race 1, a rotating race 4, at least one row of rolling elements 3 placed between the stationary race 1 and the rotating race 4, an encoder 11 which is concentric with and is secured to the rotating race 4, and a sensor 14. A support 16 secures the sensor to the stationary race 1. The sensor faces and is a small gap 15 away from the encoder 11, the rotational travel of which is detected by the sensor 14. The sensor 14 bears directly on a reference surface 9b of the stationary race 1.

Abstract: Device for detecting parameters of the rotation of a shaft 1 that rotates with respect to a stationary element, there being at least one bearing between the shaft and the stationary element so that the shaft can be mounted to rotate with respect to the stationary element, the said device comprising an encoder means 15 rotated by the rotating shaft, and a sensor means 10 secured to a stationary element and arranged facing and a small air gap away from the encoder means whose passage during rotation is detected by the sensor means. The encoder means and the sensor means are supported by a removable unit 4 independent of the bearing, the said unit being capable of being mounted on the stationary element and having a stationary part 9 supporting the sensor means and a rotating part 13 supporting the encoder means, the rotation of the rotating part being connected to that of the rotating shaft.

Abstract: Device for detecting the rotational speed of a wheel of an in-line skate, the wheel being supported by rotating rings of two rolling bearings with fixed rings 9 of the two rolling bearings being secured to an axle mounted on a plate. The detection device includes a sensor and an encoder which are arranged in a volume bounded axially by the two rolling bearings and radially by a cylindrical surface which is coaxial with the rolling bearings and has a diameter represented by the external diameters of the outer rings of the rolling bearings.

Abstract: Rolling bearing including a stationary race 1, a rotating race 6, at least one row of rolling bodies 3 placed between the stationary race 1 and the rotating race 6, an encoder 23 secured to the rotating race 6 and concentric therewith, and a sensor 14 supported by a sensor carrier block 15 secured to the stationary race 1 and arranged facing and a small gap away from the encoder 23, the travel of which, during rotation, is detected by the sensor 14. The sensor carrier block 15 is secured to the stationary race 1 by a metal retainer 16 positioned with respect to the stationary race 1. The retainer 16 is positioned on a radial face 5 of the stationary race 1 of the rolling bearing and welded to this race.

Abstract: Encoder device for a sensor for detecting the rotational speed of a rotating member of a bearing 1 mounted on a non-rotating member of the said bearing 1, of the type comprising a sensor 7 secured to an element that is stationary with respect to the non-rotating member and past which an element forming a rotor rotates with a small air gap, which element is equipped with an encoder 8 capable of producing in the sensor 7 a periodic signal of frequency proportional to the rotational speed of the rotor element. The encoder 8 comprises an annular active part 14 made using a plasto-magnet and provided with an active region 16 arranged to travel past the sensor 7. The encoder 8 comprises a reinforcing part composed of two annular elements 15 arranged in contact with the active part 14, one on either side of the active region 16.

Abstract: Rolling bearing comprising a stationary race 1, a rotating race 4, a row of rolling bodies 7 arranged between the stationary race and the rotating race, an encoder means 10 secured to the rotating race and concentric therewith and a sensor means 9 supported by a sensor carrier block 11 secured to the stationary race and arranged facing and a small gap away from the encoder means, the travel of which, during rotation, is detected by the sensor means 9. The rolling bearing comprises a means for trapping the sensor carrier block 11 against a surface 14 of the stationary race 1.