Abstract: An inner diameter-side cylindrical member 37 of a supporting ring 36 is externally fitted on a shoulder 35 of an inner ring 3 constituting a hub. An encoder 29a is supported on the outer peripheral surface of an outer diameter-side cylindrical portion 38 constituting the supporting ring 36. Further, to a metal core 30a internally fitted to an outer ring 1 is supported and fixed a rotation-detecting sensor 21b, and also a proximal end portion of a seal member 44 is connected and fixed thereto. An edge of at least one of seal lips 45a, 45b, 45c of the seal member 44 is brought to be in sliding contact with the supporting ring 36 around the entire circumference. Since the rotation-detecting sensor 21b and the seal member 44 are supported by the core metal 30a, a rolling bearing unit can be downsized.

Abstract: A sensor unit is supported on a stationary ring which does not rotate even when it is in use, and the rotation of the rotary ring can be detected by a rotation detecting sensor held within the sensor unit. Within the sensor unit, besides the rotation detecting sensor, there are disposed other sensors such as a temperature sensor and a vibration sensor, thereby being able to detect the rotation speed and the rotation number of the wheel supported on the rotary ring, and the other car driving conditions.

Abstract: A wheel end (A, B, C) for mounting a road wheel (W) of an automotive vehicle includes a knuckle (2) having a bearing cavity (20, 24, 26), a hub having a spindle (40) that projects into the bearing cavity of the knuckle and a flange (42) at one end of the spindle, with the road wheel being attached to it, and a bearing (6) located within the bearing cavity and around the spindle of the hub to enable the hub to rotate on the spindle. The bearing includes tapered rollers (72) organized in outboard and inboard rows as well as raceways (60, 76, 82) along which they roll. The rollers of the inboard row roll along tapered raceways on a cup pressed into the bearing cavity and a cone (66) pressed over the spindle.

Abstract: The invention relates to a seal arrangement for sealing off at least one radial interspace between at least one bearing ring which can rotate and at least one rotationally fixed bearing ring. The seal arrangement is provided with at least a first carrier, the first carrier carrying at least one resilient seal and being fixed to a rotationally fixed bearing ring, and a second carrier, the second carrier being fixed to the bearing ring that can rotate and carrying at least one encoder. The encoder has an outwardly oriented circumferential surface in the shape of a truncated circular cone.

Abstract: The combination of a bearing housing and a load measuring plate includes a bearing housing having a foot member possessing a substantially rectangular outer contour, with outer wall portions and transverse intermediate wall portions forming a planar overall contact surface to be in contact with and resting upon a load measuring plate. The load measuring plate is internally equipped with load measuring devices. The outer contour of the load measuring plate is closely adapted to the outer contour of the foot member of the bearing housing.

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

Abstract: A bearing device, provided in an inner ring thereof are a first cylindrical portion and a second cylindrical portion which is located in a vehicle inner side with respect to the first cylindrical portion and having a smaller outer diameter, wherein a pulser ring is fixed on the first cylindrical portion, a radial direction inner end side of a magnetic sensor is accommodated in a circumferential groove constituted by the first and second cylindrical portions, and a detecting element of the magnetic sensor faces the pulser ring in an axial direction.

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: A wheel speed detector for detecting a relative rotating speed between an outer ring and an inner ring by means of a magnetic sensor in association with a magnetic ring. A stationary seal member is fixed to the stationary ring and a rotatable seal member is fixed to the rotatable ring. The seal members engage to seal a gap between the inner ring and the outer ring. The magnetic sensor is fixed to a radial inner surface of the stationary seal member and the magnetic ring is fixed to a radial outer or a radial inner surface of the rotatable seal member and surfaces of the magnetic ring other than that fixed to the radial inner surface of the rotatable seal member are covered with a seal lip.

Abstract: A suspension stop for a motor vehicle wheel assembly comprising a fixed member adapted to be fixed to the chassis (2) of the vehicle and a rotating member adapted to be fixed to the suspension spring (4) so as to be rotationally moved under the effect of the forces exerted by the spring. The stop includes a device for measuring the vertical forces applied to the vehicle wheel. The device includes a pulse-generating coder (11) fixed to one of the members, a sensor (12) fixed to the other member which is able to detect these pulses so as to determine the angular position of the rotating member with respect to the fixed member, and a calculation device able, from this position, to calculate the corresponding vertical force applied. A method of measuring the vertical forces applied to a wheel associated with the chassis (2) of a vehicle by such a stop is also provided.

Abstract: To enhance a detecting capability for monitoring a bearing assembly and also to minimize complication of the structure resulting from increase in functionality, a vehicle mounted bearing assembly 51 includes inner and outer members 2 and 1 with rows of rolling elements 3 operatively interposed between the inner and outer members 2 and 1, and a rotation detecting sensor 4. A sensor output from the rotation detecting sensor 4 is digitalized by a digitalizing unit 101 and is subsequently transmitted wireless by a transmitting unit 105. One or both of status detecting sensors 52, 53 for detecting different statuses of the bearing assembly 51 other than rotation such as temperature and vibration occurring in the bearing assembly 51 may be additionally employed. A signal coordinating unit 104 may also be used for coordinating the respective sensor outputs from the rotation detecting sensor and the status detecting sensors to enable those sensor outputs to be transmitted wireless by the transmitting unit 105.

Abstract: To provide a bearing assembly having a temperature sensor built therein, in which the accuracy of detection of the abnormal temperature is increased, the number of component parts is reduced and the productivity can be increased, a rolling bearing assembly (1) includes a sealing member (7) secured to a stationary bearing ring and a temperature sensor (13) is secured to the sealing member (7). The stationary bearing ring is an inner race (2) if the bearing assembly (1) is of an outer race rotating type. The sealing member (7) is made up of a core metal 9 and an elastic member (10) made of a rubber or resin. The temperature sensor (13) is fixed to the core metal (9) of the sealing member (7) either by means of an insert molding of the elastic member (10) or soldering after forming the sealing member (7). The temperature sensor (13) is in the form of a chip-type laminar thermistor.

Abstract: A rolling bearing apparatus with sensor includes a sensor unit retaining a plurality of types of sensors for detecting the status of a rolling bearing, in a single holder. The plurality of types of sensors are at least two types of sensors of a rotation speed sensor, a temperature sensor, and an acceleration sensor.

Abstract: A wheel bearing assembly is provided which has a rotating speed sensor unit which includes a seal for preventing entry of foreign matter and which takes up little space and thus can be mounted on the wheel bearing assembly without increasing the axial dimension of the fixed member of the wheel bearing assembly. The assembly includes a fixed member fixed to a vehicle body, and a rotary member rotatably supported in the stationary member through a bearing and mounted to a vehicle wheel. An annular sensor is fitted to a knuckle, which is a part of the fixed member, on the inboard side of the bearing. A sensor seal is fitted to the annular sensor and has a seal lip kept in slide contact with a seal land formed on a constant-velocity joint outer ring, which is a part of the rotary member, to define a sealed space on the inboard side of the bearing. An encoder is mounted on a bearing inner ring, which is a part of the rotary member, in the sealed space.

Abstract: A shaft is disposed along an axis of rotation and a bearing failure indicator, in the form of a disk having protrusions or teeth spaced about its periphery, is provided on the shaft adjacent a bearing supporting a tubular roll for rotation relative to the shaft. When the bearing has undergone a predetermined amount of wear, which happens prior to bearing failure, the teeth or protrusions of the disk come into engagement with a contact surface due to non-concentric rotation of the roll relative to the shaft. In one embodiment, the disk is thick and the teeth make an audible knocking sound which warns an operator of an impending bearing failure. In another embodiment, the disk is relatively thin and a squealing sound is generated when the protrusions engage the contact surface. In addition to the bearing failure indicator, a slip coupling may be used to prevent the transmission of torque to the drive shaft when interference between the disk and the contact surface occurs.

Abstract: To provide an electrically powered brake system capable of performing a control of the braking force appropriate to a particular wheel rotational speed with high response and capable of being simplified in structure with no need to employ any hydraulic equipment and the related pipe lines, the electrically powered brake system includes an actuating unit 18 including a brake wheel 16 mounted on a vehicle wheel 1 and brake pieces 17 frictionally engageable with the brake wheel 16. A drive unit 19 is operable to translate a rotary output of an electric drive motor 20 into a rectilinear reciprocating motion by means of a ball screw mechanism 23, which rectilinear reciprocating motion is transmitted to the brake pieces 17 as a braking force. An operating unit 32 is operable to control the electric drive motor 20 according to manipulation of an operating member 31 such as, for example, a brake pedal.

Abstract: A rolling bearing apparatus includes a sensor cover capable of avoiding a pulser ring from being damaged by the sensor cover with excellent positional accuracy relative to the pulser ring or the like. The rolling bearing apparatus includes a structure in which whereas an outer peripheral edge of a sensor main body of a sensor cover is folded to bend to an inner side of a bearing and a conical portion as a fitting portion is formed at a folded to bend portion thereof, a conical portion as a fitted portion for fitting the fitting portion is formed at an inner peripheral surface of an outer ring and a position in an axial direction of the sensor cover relative to a pulser ring is set to position by fitting the two conical portions.

Abstract: In order to detect rotational speed and rotational direction of an axle, achieve compact formation of the rotation detector, and be excellent in dust resistance performance, a rolling bearing apparatus includes balls interposed between respective raceway surfaces of inner and outer ring members and a seal apparatus is mounted between shoulder portions of the inner and outer ring members. The seal apparatus includes an outer ring side seal ring fixed to the outer ring member and an inner ring side seal ring fixed to the inner ring member. Moreover, a pulser ring is fixed to an inner face of a ring-like core metal of the inner ring side seal ring and on an outer diameter side of a ring-like core metal of the outer ring side seal ring. A regular and reverse rotation detecting sensor is molded by a resin-made external member to integrate.

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: A wheel bearing includes a sealing device 5 positioned between inner and outer members 1 and 2. This sealing device 5 includes an elastic member 14, which eventually forms an encoder grid and is provided on a first annular sealing plate 11. A second annular sealing plate 12 is provided with sealing lips 16a to 16c. An engagement 18 between a cylindrical wall 11a of the first annular sealing plate 11 and the inner member 1 is provided with an elastic member 20 made of a material dissimilar to that for the elastic material 14. This elastic member 20 may be a rubber coated layer, resin paint layer, a thin film of adhesive material or a ring-shaped rubber member. Thereby, any possible ingress of water across an engagement surface of the annular sealing plate is prevented, accompanied by increase of the lifetime of the bearing, with no problem associated with separation and displacement of the annular sealing plates. The magnetic flux density can also be easily secured.

Abstract: The device (B) comprises a first non-rotatable ring (11) to be mounted adjacent to a non-rotatable race (1) of a bearing unit (A), and a second rotatable ring (12) to be coupled fast for rotation with a rotatable race (2,3) of the bearing unit (A). A first air passage (13, 113) is formed through the first non-rotatable ring (11) and a second air passage (14) is formed through the second rotatable ring (12). A sealing device (15, 16) interposed between the first (11) and the second (12) ring, defines an intermediate chamber (17) communicating with the first (13, 113) and the second (14) air passages.

Abstract: A four-row tapered roller bearing is incorporated in the clearance between the inner surface of a housing and the outer surface of a rolling roller. A pair of supporting members supporting sensor devices are fitted in and supported by a part of the inner surface of the housing in such a manner that they are opposed to the ends of outer rings of the four-row tapered roller bearing disposed close to the both axial ends thereof. The sensor devices each comprise a distortion gauge as a detecting portion and a first coil for transmitting as a wireless signal a signal obtained by processing an output signal outputted from the distortion gauge. A second coil for receiving the wireless signal transmitted by the first coil is retained on a part of a member other than the supporting members.

Abstract: An axle shaft assembly for a motor vehicle has a bearing unit, an axle shaft, and a bearing retainer. The axle shaft is supported within the wheel bearing unit. The axle shaft has an outer diameter. The bearing retainer is mounted on the axle shaft and abuts the wheel bearing unit. The bearing retainer has a piloting feature for aligning the bearing retainer with respect to the axle shaft. The piloting feature includes a pilot surface with an inner diameter approximately equal to the outer diameter of the axle shaft.

Abstract: A rolling bearing with sensor includes an inner ring, an outer ring, a plurality of rolling elements disposed between the inner and outer rings, and a sensor having a detecting part detecting a state of the rolling bearing and a circuit part connected to the detecting part. The detecting part and the circuit part are attached to the rolling bearing.

Abstract: The shaft speed monitor includes a hub with a bearing bore with an open end and a bearing end. A bearing stop flange is adjacent to the bearing end. A bearing is pressed into the bearing bore and is seated against the stop flange. A lock ring axially fixes the bearing in the bearing bore. A bobbin with an embedded multi-pole ring magnet and a coil is inserted into the bearing bore in the hub. A spindle with a toothed ring passes through the bearing. The toothed ring is in radial alignment with the ring magnet. Leads connected to the coil pass through a grommet. The grommet is held in a grommet slot in the hub. A seal is pressed into a seal counter bore in the hub and seals against a sealed surface on the spindle as well as against the grommet.

Abstract: This wheel speed detector is constructed of a magnetic sensor and a magnetic ring and is integrated with the inside of a seal device. The magnetic ring constitutes a part (core bar) of the seal device. This arrangement can enable the compacting and reduction in the number of components and improve space saving and assembling workability.

Abstract: A wheel support bearing assembly includes inner and outer members (1 and 2) and at least one row of rolling elements (3) operatively interposed between the inner and outer members (1 and 2) and an annular sealing device (5) sealing an open end of an annular space defined between the inner and outer members (1 and 2). The sealing device (5) includes first and second annular sealing plates (11 and 12) fitted to different members out of the inner and outer members (1 and 2). Each of the first and second sealing plates (11 and 12) includes a generally cylindrical wall (11a or 12a) and a radial wall (11b or 12b) assembled together to represent a generally L-shaped section. The first sealing plate (11) is fitted to one of the inner and outer members (1 and 2) that serves as a rotating member. An elastic member (14) mixed with a powdered magnetic material is bonded by vulcanization to the radial wall (11b) of the first sealing plate (11).

Abstract: A magnetic rubber encoder employing a rubber magnet, of a kind which, within a predetermined range of polarization pitches, the maximum magnetization intensity for the selected polarization pitch can be obtained, is provided. The magnetic rubber encoder 1 includes an annular magnetic member 2 made of a rubber material containing a magnet material and having a plurality of opposite magnetic poles N and S alternating with each other in a direction circumferentially thereof. The relationship between the polarization pitch p of each magnetic pole and the thickness w of the magnetic member 2 is expressed by 0.4 p?w?1.0 p. The polarization pitch p is chosen to be within the range of, for example, 0.5 to 1.5 mm.

Abstract: A four-row cylindrical roller bearing is incorporated into between the inner peripheral surface of a housing and the outer peripheral surface of a backup roller. A sensor unit 7 is held in a portion of a collar disposed in the axial-direction end portion of the four-row cylindrical roller bearing. The sensor unit comprises a detect part for detecting temperatures and vibrations and a transmitter device for transmitting signals, which are obtained after output signals taken out from the detect part are processed, as radio signals. On a portion of a hold cover which is a separate member from the collar, there is disposed a receive antenna which is part of a receiver apparatus for receiving the radio signals transmitted by the transmitter device.

Abstract: A rotation speed sensor can be detachably mounted to an outer member of a wheel bearing assembly. A sensor holder is a leaf spring folded in two and has upper and lower portions having windows aligned with each other and a downwardly protruding rib and an upwardly protruding rib, respectively, and a connecting portion. The sensor is inserted through these windows until a rib formed on the connecting portion engages in a groove formed in the back of the sensor. The holder is mounted on the outer member until the downwardly protruding rib and upwardly protruding rib engage in grooves formed in a ledge axially protruding from one end of the outer ring and the sensor is received in a cutout formed in the ledge. In this state, the holder is strained, thereby elastically holding the sensor in the cutout formed in the ledge.

Abstract: A seal with integrated sealing and rotation measuring capabilities includes a first slinger having an L-shaped cross section and is adapted to be fixed to a rotational bearing element of a bearing assembly, the first slinger including a first cylindrical portion extending axially and a first flanged portion extending radially from the first cylindrical portion. A seal ring is arranged axially inward from the first slinger and is adapted to be secured to a non-rotational bearing element, and the seal ring has elastic seal lips having respective tips adapted to make sliding contact with the side of the first slinger facing the seal ring. A second slinger has an L-shaped cross section arranged axially inward from the said seal ring and is adapted to be fixed to the rotational bearing element. The second slinger includes a second cylindrical portion extending axially and a second flanged portion extending radially from the second cylindrical portion.

Abstract: A compact rolling bearing with a rotation sensor is proposed which has a shortened axial length of a housing for mounting the rotation sensor. The rolling bearing comprises a rotating bearing ring and a fixed bearing ring, and the rotation sensor comprises a rotating element mounted to the rotating bearing ring and a detecting element mounted on the fixed bearing ring so as to oppose the rotating element, and an electric circuit board. The electric circuit board has a flexibility. With this arrangement, it is possible to mount the electric circuit board in a curved state in a limited space on a peripheral wall of the sensor housing, and thus to shorten the axial length of the sensor housing. This provides a compact rolling bearing with the rotation sensor. Another embodiment has a magnetic encoder, the binder for which is heat-resistant nitrile rubber, fluorine rubber or silicone rubber.

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: Protection device (1) for an encoder (2) in a rolling bearing (3) presenting an outer race (5) which is arranged in contact against a fixed support (6), the device being interposed between the encoder (2) itself and a reading sensor (17) which is supported by the support (6) itself, and being provided with: a fixing race (18) which is shrink fit onto the outer race (5) of the bearing (3) and frontally to a shoulder (15) of the support (6); a protection shield (19) which extends from the fixing race (18) towards an inner race (4) of the bearing (3) in a position which is frontal to both the encoder (2) and the sensor (17); and a sealing element (30), which is integral to the fixing race (18) and the shoulder (15) for the static waterproofing of the support (6).

Abstract: A wheel rotation detecting device including a sensor unit that is supported on a stationary ring which does not rotate even when the wheel is in use, and the rotation of the wheel that is attached to a rotary ring can be detected by a rotation detecting sensor held within the sensor unit. Within the sensor unit, in addition to a rotation detecting sensor, there are disposed other sensors such as a temperature sensor and a vibration sensor, thereby allowing detection of the rotation speed and the rotation number of the wheel supported on the rotary ring, as well as detection of other car driving conditions.

Abstract: To minimize change in duty ratio of an output signal brought about by a leakage flux and to obtain a sensor output stabilized even under an environment of use abundant of the leakage fluxes, a sensor-equipped bearing assembly 31 includes a rotatable race member 32 provided with a to-be-detected portion 1 having a magnetic characteristic in which N and S magnetic poles alternate with each other. In face-to-face relation with this to-be-detected portion 1, a magnetic detecting portion 2 is secured to a stationary race member 33. The magnetic detecting portion 2 is made up of magnetic sensors arranged in a direction circumferentially of the race members 32, 33 and each capable of providing an analog output. A differential output generating means 7 is provided for processing a differential output of the adjoining two magnetic sensors 2a and 2b as an encoder signal for one phase.

Abstract: A wheel support bearing assembly for rotatably supporting a wheel 13 relative to a vehicle body structure 12 includes outer and inner members 1 and 2 with dual rows of rolling elements 3 interposed therebetween. An electric generator 4 for generating an electric power as one of the inner and outer members 1 and 2 rotates relative to the other of the inner and outer members 1 and 2 is utilized. The electric generator 4 includes a coil/magnetic element combination 17, including a ring member accommodating a coil therein, and a multi-pole magnet 18. A signal outputted from the electric generator 4 and indicative of the number of revolutions of the wheel 13 is transmitted wireless by a transmitter 5. This transmitter 5 may be an annular transmitter.

Abstract: Sealing device (1) with a sensor for a rolling bearing (2), in which the sealing shield (7) is mounted between two races of the rolling bearing (2), and a encoder wheel (8) is arranged inside the rolling bearing (2) between the two races and the shield (7); a detecting (9) sensor being arranged inside a housing (10) which is obtained through the shield (7) and which is also arranged with a respective detecting surface which directly faces the encoder wheel (8).

Abstract: An axle unit for a vehicle is provided which comprises a hub that installs thereon a vehicle wheel and is rotatable together with the vehicle wheel, a hub bearing that is mounted on a vehicle body and rotatably supports the hub, a rotary encoder that is attached concentrically to the hub and is rotatable together with the hub, a cover that is made of a non-magnetic material and covers an open end of the hub bearing that is located on the side thereof where the rotary encoder is provided, a rotational speed sensor that has a detecting section that is made of a magnetic material and disposed outside the cover and so as to face the rotary encoder, and a magnetic body that is provided at a portion of the cover that is placed between the detecting section of the rotational speed sensor and the rotary encoder.

Abstract: An improved target wheel is provided for a bearing speed sensor. The target wheel includes an annular base which is sized to be press fit on a seat or extension of the inner race of a bearing. The base includes a first end and a second end. A plurality of encoding elements, in the form of spaced apart teeth, operatively extend from the first end of the base. The base is bent upwardly near the second end to form a portion which extends out of the plane of the base. This portion defines an angle of less than 90° with the plane of the base, and preferably forms an angle of about 30° to about 40°.

Abstract: A bearing with a rotational sensor has a magnetic sensor includes a race including an inner ring and an outer ring. Between the inner ring and the outer ring, a magnetic sensor holding member having an annular portion is arranged. The annular portion of the magnetic sensor holding member is provided with a holding portion holding the magnetic sensor. The magnetic sensor is held in the holding portion of the magnetic sensor holding member and is arranged between the outer circumferential surface of the inner ring and the inner circumferential surface of the outer ring. Therefore the bearing with a rotational sensor that is improved to allow easy assembly and compactness can be obtained.

Abstract: A wheel bearing having an external, rotating, magnetic encoder which registers rotational speed of the bearing, and a magnetic particle trapping device spaced from the magnetic encoder to protect it against contamination. The trapping device includes a permanent magnet and a cooperating soft iron member which together form an L-shaped configuration relative to each other, with the magnet extending axially relative to the rotation of the wheel and the soft iron member extending radially, or vice versa. Contaminants are collected in a space between the soft iron member and the magnet. A magnetically non-conductive element may be provided to separate the trapping device from the metallic housing of the constant velocity joint on which the trapping device is mounted. A wiping finger may be provided to dislodge accumulated contaminant particles, which may then fall to the roadway.

Abstract: To provide a magnetic encoder in which an air gap between it and a magnetic sensor can be increased and the magnetic force generated thereby can be easily quality-controlled, and a wheel bearing assembly having the magnetic encoder, the magnetic encoder 20 includes a core metal 11 and an elastic member 14 integrated with the core metal 11 in a ring-shaped configuration. The elastic member 14 is made from an elastic material mixed with a powder of magnetic material and has a plurality of different magnetic poles alternating in a direction circumferentially thereof. The elastic member 14 also has a Shore hardness of not lower than Hs 90. A wheel bearing assembly is also provided, which makes use of the magnetic encoder 20 as a component part of a sealing unit 5.

Abstract: A corner module for use in a motor vehicle having a bearing pack through which a wheel hub for the motor vehicle is connected with a support member. The bearing pack includes an inner race and an outer race for retaining first and second roller elements such that a wheel attached to the hub may rotate with respect to the support member. The bearing pack is characterized by an exciter ring that is located between the first and second roller elements and the outer race is characterized by an opening that is in radial alignment with the exciter ring. A sensor that is fixed to the support member has a functional length and a sensing area that extends through the radial opening in the outer race and into the bearing pack to a position adjacent the exciter ring such that the functional length and sensing area is protected from exposure to contamination that may be present in the environment.

Abstract: A gas lubricated axial thrust bearing for resisting axial forces acting on a machine rotor, comprises at least one pad mounted on a stationary machine surface and axially spaced from a surface of the rotor by a lubricating gas film. The bearing further includes a temperature sensor for sensing the temperature of the pad to provide an output signal indicative of the axial load on the bearing.

Abstract: An encoder-equipped seal mounted on a wheel bearing unit on an automotive vehicle includes an elastic element and a reinforcing ring for sealing said wheel bearing unit and for detecting the number of revolutions of the wheel. The encoder-equipped seal further includes a first ring element and a second ring element, wherein the first ring element includes a first reinforcing ring, a first flanged portion and a magnetic attached to the first flanged portion of the first reinforcing ring, and wherein the second ring element includes a second reinforcing ring having a second flanged portion, and a seal lip arranged radially on the circumferential edge of the second flanged portion of the second reinforcing ring. The first ring element and the second ring element are united into one unit by allowing one to engage the other in such a manner that the first ring element is located axially outwardly of the wheel bearing unit and the second ring element is located axially inwardly of the wheel bearing unit.

Abstract: A bearing mount for a vehicle such as a snowmobile. The bearing mount has a body, the body having first and second recesses. The first recess has at least one electrical device disposed therein. The electrical devices may include a voltage regulator, a speedometer sensor, and a charging circuit. The bearing mount may be filled with potting so as to encapsulate the electrical devices. The first recess may be defined by a wall. The wall may include a plurality of outwardly projecting lobes. The second recess is formed to support a bearing therein. The bearing mount may include a fill aperture, fill passage, and reservoir for holding material such as lubricant to be delivered to the second recess. The bearing mount may be sufficiently sturdy and rigid as to be mounted directly to a vehicle.

Abstract: A vehicle wheel rolling bearing has a sealing device integrated with a magnetic encoder. A semi-float type bearing apparatus has said rolling bearing which can protect a magnetic encoder and improve the sensing ability of the detecting sensor. The rolling bearing has an inner member with a wheel hub having a wheel mounting flange and an inner ring formed with inner raceway surfaces. An outer member is formed with double row outer raceway surfaces opposite the inner raceway surfaces. Double row rolling elements are between the raceway surfaces. Sealing devices include an inboard sealing device with an annular seal fitted on the outer member. A pulsar ring is mounted on the inner member and has an encoder mounted on a cylindrical holding portion. The encoder is arranged opposite to the annular seal. The encoder includes magnetic poles formed by magnetic powder with alternating polarity along its circumferential direction.

Abstract: A rotation-speed sensor device is provided to comprise an encoder supported by a rotating race of a rolling bearing unit for vehicle wheel support to be concentric with the rotating race and having a detected portion the characteristics of which are alternately changed in a circumferential direction, a rotation detection sensor supported by a non-rotating member on the vehicle chassis side and having a detecting portion facing the detected portion to produce a detection signal, a wireless transmission device for sending the detection signal from the rotation detection sensor to a controller provided on the vehicle chassis side, and a self-diagnosis circuit to judge whether there is an error or not in the rotation detection sensor.