Abstract: An antifriction bearing assembly has rolling elements and a magnetic encoder ring housed in an outer ring with two portions which can have different diameters. A sensor is removably attached to the outer ring in alignment with the encoder ring. Various seal assembly configurations may be used to seal the bearing while accommodating the sensor.

Abstract: A roller bearing assembly, comprising two bearing rings having confronting raceways and rolling element in the annular space between the rings and a cage for the rolling elements. The components of the bearing are held together as a unit before installation by a bonding composition which melts at elevated operating temperatures. Each bearing ring has at least two recesses distributed on the circumference extending from surfaces facing away from the raceways of the bearing rings into the space between the bearing rings and ring segments of the wax-grease-adhesive bonding composition are provided preferably over portion of the circumference between the bearing rings, encompassing components of the bearing.

Abstract: A device for detecting and monitoring damage to races (3 and receiver 24) or adjacent areas on the rings (1 and 2) in antifriction bearings. The object of the present invention is a device that will not only precisely measure the dimensions of cracks and pits in the race or in the transition between the races and the ring but will also forward the results to the processing equipment with no perforations in the ring and without cables and plugs. One or more sensors (13 and 14) are positioned between the rolling components (5) inside the antifriction bearing, whereby the signals they generate are transmitted electromagnetically to a receiver antenna (23) outside the antifriction bearing.

Abstract: A retainer and bearing assembly in which the bearing members are formed as an integral component of, and are initially connected to the retainer, for separation upon assembly or use.

Abstract: A structure of bearing journaling a geared shaft is disclosed in which a piezoelectric sensor is installed in a space between an outer ring of the bearing and its casing for detecting at least one of a force applied to the bearing and generated due to a mesh of gears, its acceleration, velocity, or displacement and outputting a detection signal according to a result of detection of the force and a piezoelectric actuator installed in the bearing so as to be in series with the piezoelectric element sensor or so as to be axially symmetrical to the opposing piezoelectric element sensor for providing an expansion and constriction movement according to a drive signal, the driving signal being based on the detection signal and having a phase opposite to the phase of the force detected by the piezoelectric element sensor.

Abstract: A vibration damper of a rotating shaft includes a floating housing attached to the shaft for radial vibratory displacement as a unit therewith, a plurality of cylindrical bores in the floating housing parallel to the axis of rotation of the shaft, and a plurality of smaller cylindrical impactors in the cylindrical bores. Each impactor is a metal sleeve having a smaller cylindrical tungsten rod therein with a damping medium around the rod. When the shaft experiences radial vibratory displacement, the sleeves impact the bores. When the sleeves impact the bores, the damping medium is squeezed from between the tungsten rods and the sleeves for vibration damping energy absorption in one mode. In addition, the tungsten rods impact the bores through the sleeves and initiate local plastic deformation of the bores the sleeves and the rods for energy absorption in another mode.

Abstract: An antifriction bearing assembly comprises a stationary outer race and a rotatable inner race with two annular rows of rolling elements between the races. A sensor assembly is mounted in the outer race so as to position a sensor between the races and the two rows of rolling elements, and an encoder is mounted on the inner race between the rows of rolling elements. Several sensor assembly and encoder configurations are included.

Abstract: A bearing device for a vehicle axle has an outer ring, two connected inner rings and rollers. The outer ring has a mounting flange at the middle in the axial direction on an outside circumference surface thereof and a stepped hole open radially at approximately the middle in the axial direction thereof. A pulser ring is mounted at the middle in the axial direction of the two connected inner rings o outside circumference surfaces of the two connected inner rings. A rotation sensor has a detecting member and a mounting member vertical to the detecting member. The detecting member consists of a small end portion and a large middle portion. The detecting member is inserted in the stepped hole, so that the end portion opposes the pulser ring. A face of the mounting member on a chassis bearing installation member side is positioned near the center line of the middle portion.

Abstract: A measuring element which senses the running of the solid of rotation is connected to the actual value input of a controller whose output signal is connected to a control element which acts upon a bearing which is adjustable perpendicularly to the axis.

Abstract: A bearing assembly incorporating a speed and/or temperature sensor particularly adapted for motor vehicle wheel applications. The sensor incorporates a magnetized tone ring defining a radial or cylindrical face which interacts with an annular transducer. The transducer has a plurality of teeth facing the magnetized tone ring with separate first and second rows of teeth extending from the transducer frame. The first set of teeth engage one area of the tone ring defining one magnetic pole whereas the second series of teeth interact with regions of the tone ring defining the opposite magnetic pole. Relative rotation between the transducer and tone ring induces an alternating magnetic field through the transducer case which induces an alternating voltage in the winding coil. The transducer is efficiently packaged within the enclosed cavity of a bearing assembly. This invention further contemplates a means to allow transducer temperature to be evaluated by monitoring the DC resistance of the transducer winding.

Abstract: Apparatus for monitoring the axial and radial wear on a bearing of a rotary shaft, comprising a slide bearing supporting the shaft for axial movement parallel to an axis of rotation of the shaft in the bearing, and a detector to detect an axially displaced position of the rotary shaft. A detector is also provided for detecting a radially displaced position of the shaft, and the axial and radial positions of the shaft are simultaneously displayed, thereby to indicate axial and radial wear of the bearing. A detector is also provided for detecting and displaying the direction of rotation of the shaft. The device for detecting radial displacement of the shaft comprises a fixed distance detector for detecting the distance between the distance detector and the shaft.

Abstract: Sensor assembly for data sensor bearing comprising a coder element (11) rigid with the rotating part (6) of the bearing and a sensor element (17, 18) rigid with the fixed part (7) of the bearing and arranged facing the coder element with an air gap, the assembly being produced as a single block with an annular sensor-holder part (15) provided with an annular span (28) for fitment onto the non-rotating race of the bearing, and an annular leaktight carrier part (16) axially offset relative to the sensor-holder part and carrying a leaktight seal (24, 25), the leaktight seal co-operating with the coder element fitted onto the rotating race of the bearing.Application to vehicle wheel hubs equipped with an ABS system.

Abstract: An antifriction bearing assembly comprises a stationary outer race and a rotatable inner race with two annular rows of rolling elements between the races. A sensor assembly is mounted in the outer race so as to position a sensor between the races and the two rows of rolling elements, and an encoder is mounted on the inner race between the rows of rolling elements. Several sensor assembly and encoder configurations are included.

Abstract: An antifriction bearing assembly comprises a stationary outer race and a rotatable inner race with two annular rows of rolling elements between the races. A sensor assembly is mounted in the outer race so as to position a sensor between the races and the two rows of rolling elements, and an encoder is mounted on the inner race between the rows of rolling elements. Several sensor assembly and encoder configurations are included.

Abstract: Device capable of detecting the rotational speed of two elements in relative such as the support elements of a vehicle wheel, in particular the rings of the roller bearing for the support the vehicle wheel, characterized in that an initial deflector or ring integral with the rotating ring of the bearing carries twin magnetized rings with pairs of poles of opposite sign, between which a magnetic sensor carried by a second deflector or support integral with the fixed ring of the bearing being is operatively inserted, the magnetic sensor being located between the n polar expansions, the number of which conforms to the pairs of opposing poles of twin magnetized rings.

Abstract: A needle roller bearing of a type empolying a generally cylindrical needle roller retainer of two-piece construction for supporting a plurality of needle rollers. The roller retainer is comprised of retainer segments each having opposite side edges. The retainer segments are connected together by means of at least one bond deposit filling up a gap between one of the opposite side edges of one of the retainer segments and a mating one of the opposite side edges of the other of the retainer segments, respectively. As a bonding material forming the bond deposit, a viscous material containing, as a principal component, vinyl acetate resin, or a hot-melt bonding material, both exhibiting a bondability lowering a high temperature, may be employed. When the needle roller bearing is in use, the bond deposit detaches from the gap or melt to separate the retainer segments from each other, allowing the separated retainer segments to function individually to minimize a fretting phenomenon.

Abstract: In a speed sensing bearing unit comprising a fixed ring with a pair of outer ring raceways on its inner peripheral surface, a pair of inner rings with inner ring raceways on their outer peripheral surfaces corresponding to the outer ring raceways, a plurality of rolling bodies provided between the fixed ring and the inner rings, a pulse rotor supported on one of the pair of inner rings, and a sensor supported opposing the outer peripheral surface of the pulse rotor, the pulse rotor comprises a main body of magnetic material having a cage-like cylindrical shape and a plurality of through-apertures formed at circumferentially evenly spaced intervals and an engaging element of a non-magnetic resilient material formed to be fitted into the through-apertures and having hook portions protruding from an inner peripheral surface of the engaging element to engage with grooves formed in the outer peripheral surface of the other of said inner rings.

Abstract: A speed sensor tone wheel has a plurality of serrations formed on an inner periphery for engagement with an axially extending annular surface formed on a wheel bearing seal support. The tone wheel is mounted on the support and an outwardly facing surface of the serrations is coined to force the inner ends of the serrations into contact with the annular surface to prevent relative rotation between the tone wheel and the support. Tabs can be formed in the outer periphery of a radially outwardly extending flange of the wheel bearing seal support for extending through open spaces between the serrations and engaging a surface of the tone wheel to trap the tone wheel between the support flange and the tab. Alternatively, an indentation can be formed in the flange to project into an associated one of the serrations.

Abstract: Bearing or roller bearing with information sensor, of the type comprising a stationary element carrying at least one magnetic field sensor device and one rotating element carrying a multipole magnetized ring coaxial to said moving element, which rotates in front of the sensor device and in which the ring is mounted in a support carried by said rotating element and is separated from the sensor device by an air gap, characterized in that the ring is provided with circumferentially distributed notches.

Abstract: A mounting sleeve particularly for the loose annular parts of a multi-row anti-friction bearing wherein the rows of rolling bodies are toward the axial ends of the outer ring. The mounting sleeve is approximately U-shaped with a slit opening of about 90.degree. in it extending along the sleeve. At axially opposite ends of the U-shaped sleeve are formed radially inwardly directed flanges which extend over a smaller circumferential angle than the sleeve, e.g. over an angle of about 180.degree., and are each symmetric around the U-shaped sleeve. Projections on the axial insides of the flanges rest axially either against the row of rolling bodies or against the separators for the row of rolling bodies. A radially outward projection opposite the slit opening in the sleeve aids in installation and removal of the sleeve.

Abstract: A pulse rotor is externally supported and secured on a cylindrical face section formed on a hub. The amount by which this pulse rotor projects from an outer ring member is regulated when the pulse rotor is fitted onto the cylindrical face section for supporting. A sensor is provided on the inside of a cover which covers the open end section of the outer ring member. The axial positional relationship between the cover and the outer ring member is uniformly maintained by means of an engaging projection formed on the radially outer peripheral surface of the cover. The distance between the axial end surface of the sensor and the axial end surface of the outer ring member is controlled to a specified value by this means. As a result, the distance between the pulse rotor and the sensor is precisely controlled.

Abstract: In a device for the electrical connection of preferably ALS sensors in or on roller bearings of truck wheels, a seat casing is provided for the transfer of the ALS sensor's signals from one side of the bearing ring to the other, which seat casing is located between the bearing ring and, e.g., the shaft. It serves as signal conductor or it is equipped with conductors consisting of wires, flat band conductors, conductive layers, or the like. The connection to the ALS sensor or a plug ring with a connecting cord, occurs preferably by way of slip rings 10, to exclude all operational interference induced by a creeping motion in a circumferential direction of the otherwise fixed bearing ring. In addition, without conductors or a cord the bearing will be simpler to assemble.

Abstract: An antifriction bearing for mounting in a housing bore. The antifriction bearing has a groove in one of the peripheral surfaces of the outer race, an annular encoder rotatable with the inner race, a sensor support including an arcuate band having an axially extending lip which matingly engages the groove in the outer race and a sensor removably attached to the sensor support.

Abstract: A high performance, two-piece cage for a ball bearing assembly includes a first annular member having a plurality of pockets and a second annular member that serves as a retaining ring to retain the balls in the first annular member. The pockets of the first annular member enclose an arc slightly greater than 180 degrees of each ball. Recesses in the second annular member, corresponding to the pockets of the first annular member, make point contact with the balls to urge the balls into position in the pockets. The limited arc of the pockets allows the first annular member to be removed from its mold, even when made of a brittle high temperature material. Second annular member can be made from a material different from that of the first annular member and can be made radially thinner than the first annular member to facilitate visual inflection of the ball bearing assembly.

Abstract: Wheel bearing hub for a vehicle, equipped with a pulser (16) and with a sensor (18). The pulser is fitted onto the rotating element (1) of the hub and comprises a protective part which externally encases the sensor head (17) sealingly, so as to isolate the latter from what is variously thrown up from the external environment.

Abstract: A rolling bearing arrangement for an anti-locking brake system has a pulse ring with projections directed toward the fixed ring. The surfaces of the projections that activate the pulse generator are cut during the hard working of the bearing ring. The pulse generator is integrated in the rolling bearing arrangement. Thereby, on one hand, tolerance limited operational differences in the amplitude and shape of the pulses are avoided, especially during slow rotational speeds of the bearing ring. Furthermore, external influences on the pulse generator and pulse ring caused by rough roads do not occur due to the hermetic encapsulation of the sensitive components.

Abstract: An antifriction bearing assembly comprises a stationary outer race and a rotatable inner race with two annular rows of rolling elements between the races. A sensor assembly is mounted in the outer race so as to position a sensor between the races and the two rows of rolling elements, and an encoder is mounted on the inner race between the rows of rolling elements. Several sensor assembly and encoder configurations are included.

Abstract: A hub assembly for a motor vehicle equipped with an anti-lock brake system in which the exciter ring for the ABS is press fit over the outer surface of the hub with the ring providing an inner cylindrical surface for a press fit mount of a seal assembly into the exciter ring rather than providing a mounting surface in the hub for the seal assembly. As a result, only the bearing race and the exciter ring are press fit to the hub. This configuration enables the exciter ring to be positioned radially outwardly from the bearing such that the bearing provides radial support to the hub beneath the exciter ring whereby distortion of the hub assembly components due to multiple press fit mounts is reduced, part to part variation is reduced and dimensional instability of the assembly is reduced.

Abstract: A bearing assembly comprises an outer race with an outwardly projecting flange and an inner race with a similar outwardly projecting flange. A sensor assembly is mounted on the flange of the stationary race, and an encoder is mounted on the flange of the rotating race. Several sensor assembly and encoder configurations are included.

Abstract: An electrical connection, preferably for ALS sensors incorporated in wheel bearings, is installed coaxially on the wheel bearing and its side surface. It is equipped, for example, with slip rings which operate in conjunction with the electrical contacts of the ALS sensor which is solidly attached to the wheel bearing. This simplifies the manufacture and handling of the wheel bearing during transportation and assembly. In particular, the risk of damage to the connecting cord is reduced during operation.

Abstract: An antifriction bearing assembly comprises a stationary outer race and a rotatable inner race with two annular rows of rolling elements between the races. A sensor assembly is mounted in the outer race so as to position a sensor between the races and the two rows of rolling elements, and an encoder is mounted on the inner race between the rows of rolling elements. Several sensor assembly and encoder configurations are included.

Abstract: A bearing assembly monitors angular velocity about its axis of rotation. The bearing assembly includes an outer race having a pair of tapered raceways presented inwardly, and two inner races in the form of cones, each having a tapered raceway presented outwardly toward one of the raceways of the outer race. The raceway of each cone lies between a thrust rib and end rib at the ends of the cone and tapers downwardly toward the end rib, all such that an undercut exists at the small end of the raceway where the end rib projects beyond it. The bearing assembly also has tapered rollers organized into two rows which are located between the opposed raceways of the outer race and the two cones. The cones abut at their end ribs, and the end ribs of the two cones carry a target wheel in the space between the two rows of rollers.

Abstract: A bearing and a method for extending the life of such bearing is disclosed. The bearing is shown to include an inner ring having first and second race channels, wherein each race channel defines first and second raceways adapted for contact with loaded rolling elements. An outer ring is shown to have third and fourth race channels, wherein each race channel defines first and second raceways adapted for contact with loaded rolling elements. A plurality of rolling elements are positioned within the race channels and are preferably oriented so that the axis of rotation of rolling elements in the first race channel is uniform and the axis of rotation of rolling elements in the second race channel is uniform. A pair of ports formed in one of the rings, each port intercepting at least one of the race channels, wherein each port has a cross-sectional area sufficient to permit the re-orientation or replacement of the axis of rotation of the rolling elements without having to remove the bearing from its installation.

Abstract: An antifriction bearing assembly has rolling elements and a magnetic encoder ring housed in an outer ring with two portions which can have different diameters. A sensor is removably attached to the outer ring in alignment with the encoder ring. Various seal assembly configurations may be used to seal the bearing while accommodating the sensor.

Abstract: A method and apparatus for regulating the damping of masses rotating on roller bearings. An oil pressure film in an oil pressure gap has its viscosity changed via temperature control as a function of the vibrating condition of the rotating masses in order to provide an optimally quiet operation of the rotating system.

Abstract: Automobile wheel hub comprising a bearing with rolling elements in a housing in said hub and a device for sensing information, the coding element of which moves integrally with the hub and rotates in front of a stationary sensor, characterized in that the coding element is integrated into the bearing seal and that the sensing element, integral with a support which is stationary with respect to the wheel, is coaxial to the coding element in a radial position essentially equal to the value of the radius of the coding element and longitudinally shifted by a maximum value corresponding to the air gap allowed by the technology of the sensor.

Abstract: Phonic wheel for determining the speed of a rotating element, characterized in that at least the surface by which the wheel is mounted on the rotating ring on the wheel hub bearing and the operating portion facing the sensor that detects the mechanical signals produced by the wheel are enclosed by and coated with an elastomeric or rubber material.

Abstract: A double row tapered roller bearing, which has the capacity to produce a pulsating electrical signal, the frequency of which reflects angular velocity, includes an outer race having a pair of tapered raceways that are presented inwardly, two cones, each having a tapered raceway that is presented outwardly toward a different raceway of the outer race, and tapered rollers arranged in two rows between the raceways of the outer race and the cones, with the small ends of the tapered rollers in each row being presented toward space between the two rows. The outer race has an oblique bore which opens into the space, whereas one of the cones has an axially directed seat which extends into the space. The oblique bore contains a sensor while the axially directed seat has a target wheel fitted over it, and the target wheel has an oblique operative surface that is presented opposite the inner end of the sensor, there being a slight gap between the two.

Abstract: A bearing assembly comprises an outer race with an outwardly projecting flange and an inner race with a similar outwardly projecting flange. A sensor assembly is mounted on the flange of the stationary race, and an encoder is mounted on the flange of the rotating race. Several sensor assembly and encoder configurations are included.

Abstract: A lubricant supply source is disposed in the vicinity of a sliding or rotary portion of a machine element, and an electrical power source is intermittently driven by a controller, so as to intermittently supply lubricant from the lubricant supply source to the machine element. When required, a sensor for monitoring the operating state of the machine element, and/or a remote controller is used, so that the supply of lubricant is controlled on the basis of the signal of the sensor and/or by means of the remote controller. Consequently, lubricant can be supplied or supplemented to the machine element in accordance with necessity. Therefore, the machine element will be able to stably operate for a long time, even in relative inaccessible places which people cannot inadvertently access.

Abstract: An antifriction bearing assembly has rolling elements and a magnetic encoder ring housed in an outer ring with two portions which can have different diameters. A sensor is removably attached to the outer ring in alignment with the encoder ring. Various seal assembly configurations may be used to seal the bearing while accommodating the sensor.

Abstract: This invention discloses a bearing device for a high speed rotary shaft comprising a functional bearing disposed on a shaft which is supported rotatably on a housing by a pair of bearings, and capable of supporting rotatably the shaft, a rotation sensor for detecting the revolution of the shaft and a controller for changing the functional bearing to a shaft supporting state in response to a rotation detection signal from the rotation sensor representing that the number of revolution of the shaft is above a predetermined number of revolution. When the shaft rotates at a low speed, the functional bearing is set to a free state and the shaft is supported at two points on the housing by the pair of bearings alone. When the shaft rotates at a high speed, the functional bearing is operated so that the shaft is supported at three points on the housing to prevent the occurrence of deflection of the shaft.

Abstract: A large open-center roller bearing consisting of single or multiple outer and inner rings with rollers rolling over races between the rings, wherein one ring can accommodate an ultrasonic probe and the other ring has a contact surface. The object is to provide a bearing that can be simply and reliably tested by ultrasound. One or more contact surfaces (19, 24, and 25) extend around one or more of the outer surfaces of the ring (2 or 3) being tested.

Abstract: The invention pertains to the method and apparatus of compensating for the axial bearing load forces imposed upon rotary joints conveying a pressurized fluid medium, such as steam, by imposing an axial force on the rotary joint housing proportional to the pressure within the rotary joint by use of a distinctively different pressurized medium than that comveyed by the joint, such as compressed air. An expansible chamber motor capable of imposing an axial force on the rotary joint utilizes compressed air whose pressure is controlled by a sensing and regulating system responsive to the pressure within the rotary joint.

Abstract: A protection system for a rotatable element (20) which is rotatably supported by hydrodynamic bearings (22, 24) pressurized with a lubricating fluid provided from a pressure source (26 and/or 34) with the fluid being subject to a change in state from liquid to vapor when heat from the bearings during rotation of the rotatable element is absorbed by the pressurized fluid during supporting of the rotatable element in accordance with the invention includes a pressure sensor (302) in fluid communication with fluid flowing from the hydrodynamic bearings for producing a pressure signal representative of pressure of the fluid flowing from the bearings; a temperature sensor (304) in fluid communication with the fluid flowing from the hydrodynamic bearings from producing a temperature signal representative of temperature of the fluid flowing from the bearings; a prime mover (17) for driving the rotatable element with a variable rotational velocity; and a controller (400), responsive to the pressure and temperature sig

Abstract: A sensor assembly for installation between an axle shaft and axle tube includes a roller bearing held coaxially to a sensor ring by a clutch member that is released when the shaft is turned after installation.

Abstract: A device for feeding grease to the bearings of a rotary machine comprising a stator and a rotor, the device comprising injectors for injecting grease into said bearings, the injectors being controlled by an electronic control circuit which has inputs receiving signals from sensors for sensing parameters characteristic of the operating state of the bearings. The injectors are connected to a supply of grease under pressure and comprise injector blocks each connected to a respective bearing feeder channel. The sensors are pressure and temperature sensors, and the electronic circuit includes a clock and generates injection cycles as a function of a preestablished program, taking account of the information provided by the sensors and by the operating time of the bearings.

Abstract: A diagnostic filter device for monitoring electrically conductive and semiconductive particles entrained by a fluid, composed of:a filter element (4) disposed to receive the fluid and to permit passage of the fluid while retaining particles entrained in the fluid;a component (8) disposed for producing an alternating electromagnetic field which extends across at least one region of the filter element (4); andan eddy current detecting instrument (12) connected to the electromagnetic field producing component (8) for detecting the influence on the field of particles in the filter element region.

Abstract: Apparatus comprising a frame, a pair of generally parallel rolls each having trunnions at its ends journaled for rotation in bearings in the frame with a gap between the rolls, and means for driving the rolls. The rotation of each trunnion in its bearing tending to generate heat which tends to raise the temperature of the trunnions and frame above the ambient temperature. The apparatus includes a cooling system, having a coolant supply manifold and a coolant return manifold, each with a branch for each bearing, and a pump for circulating coolant through each bearing. The cooling system also includes a device for controlling the temperature of the coolant.

Abstract: A method of installing a roller bearing using a spacer made of an elastic material and supported in a space defined a plurality of rollers of the roller bearing, which spacer has at least a leading section having a tapered surface progressively reduced in diameter to the leading end of the spacer and at least two contact support sections having a maximum diameter of the spacer.