Skf France

Aktiebolaget Skf

Skf Industrial Trading & Development Company, B.v.

Technologies M4 Inc.

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Franck Landrieve

Christophe Houdayer

Christian Rigaux

Claude Caillaut

Christophe Bonnin

Carole Girardin

Marc DeFossez

Martha Berges

Hendrikus Jan Kapaan

Eric Robert

Pascal Lhote

Eric Beghini

Michel Descombes

Frédéric Ponson

Samuel Gallion

Franck Debrailly

Eric Bechini

Thomas Beagley

Leslie Berryman

Stephane Reiher

Domenico Restaino

Alain Forcione

Jean-Fran&ccedil;ois Maestrati

Jean-Luc Thoumieux

A method for manufacturing of a target holderfor a sensor bearing unit. The target holder providing at least an axial fixing portion secured to a ring of the sensor bearing unit, and a radial portion extending at least radially with respect to the axial fixing portion, a curved linking portion being formed between the axial fixing portion and the radial portion. The method further providing a step of shot peening at least on the internal surface of the curved linking portion of the target holder.

Method for manufacturing a target holder for a sensor bearing unit, and associated sensor bearing unit

A shaft support systemfor an electric motor, comprising a rolling bearingprovided with an inner raceand an outer race, at least one angular position sensorfor detecting the angular position of the inner race, an encodermounted on the inner race, a flangefor supporting the outer race of the bearing, and a processing modulesupported by the flange.

Shaft support system for electric motor, electric motor and method for making same

The invention concerns a device for tensioning belts or chains that may include a fixed support; a moving element that may move relative to the fixed support and designed to be in contact with the belt or the chain; and an actuator designed to exert a permanent tensioning force between the mobile equipment and the fixed support. The device may also include a sensor unit to monitor parameters of angular displacement of the moving element relative to the fixed support.

Instrumented take-up unit and related control method

The invention relates to a monitored roller bearing device, comprising a non-rotating race (), a rotating race (), at least one row of rolling elements () arranged between two rolling tracks () on the rotating race () and non-rotating race () and an information detection module, which comprises a non-rotating sensor unit () and a rotating () encoder (). Said device comprises a means for fixing the sensor unit () relative to a support (), by generating an axial force between a support surface () on the sensor unit () and a support surface () on the support (), while permitting an axial displacement of the sensor unit () relative to the support ().

Monitored roller bearing

The invention concerns an instrumented antifriction bearing device, provided with a non-rotating part including a non-rotating ring and sensor element, a rotating part including a rotating ring and encoder, and at least a row of rolling bodies arranged between two raceways of the non-rotating and the rotating rings. The non-rotating sensing element and the rotating encoder form an assembly detecting rotation parameters. The device includes a maintenance device for temporarily maintaining the angular indexing of the encoder relative to the sensing element in an angular position, wherein the encoder generates in the sensing element a reference signal. The maintenance device temporarily maintains the angular indexing device in position until released, as for example, by the axial displacement of at least part of an element of the device towards the row of rolling bodies.

Instrumented antifriction bearing device with temporary angular pre-indexing of the encoder relative to the sensor

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.

Roller bearing with information sensor

The invention concerns an instrumented bearing ( ) comprising an outer ring ( ), an inner ring ( ), at least a row of rolling elements ( ) arranged between a raceway of the outer ring ( ) and a raceway of the inner ring ( ), an assembly detecting rotation parameters comprising a sensor unit ( ) integral with the non-rotating ring and supporting a sensing element ( ) and a rotating coding member ( ) 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.

Instrumented bearing

The present invention provides an instrumented rolling bearing device having an outer ring, an inner ring, at least one row of rolling bodies arranged between two raceways of the outer and inner rings, and an assembly for detecting rotation parameters, this assembly having a non-rotating sensor unit and a rotating encoder member. The device allows for angularly immobilizing a non-rotating part of the device on a support while at the same time allowing relative axial movement of the device with respect to the support.

Instrumented rolling bearing

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

Rolling bearing with information sensor

Device for detecting rotation of a vehicle steering column

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.

Wheel assembly for in-line skate with device for detecting rotational

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.

Rolling bearing with information sensor welded to race

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.

Sensor for a rotating member of a bearing having reinforcing elements

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.

The sealing device (8) for the passage of a fluid between a rotating race and a non-rotating race of a bearing each penetrated by channels (6, 7) for the passage of the fluid, comprises a one-piece annular central body (9) of elastic material having a circular shoulder (10) for fixing to one of the races (1), and two main sealing lips (12) which mutually form an annular intermediate chamber (13) and which are in friction contact with the other race (2). The central body (9) is penetrated by at least one channel (15) communicating with the channels (6) of the race associated with the circular fixing shoulder, and also with the intermediate chamber, which communicates with the channels (7) of the other race, so that the fluid introduced into the channels of one of the races of the bearing passes through the central body in a leaktight manner and exits through the channels of the other race.

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