A method for producing a composite material rolling bearing cage includes: a) winding around a mandrel a plurality of layers of reinforcing fiber impregnated with or embedded in a synthetic resin material to form a preform tube on the mandrel, b) after step a), wrapping, without radial play and under tension, a shrink tape around the radially outermost layer of reinforcing fiber of the preform tube, c) after step b, without removing the shrink tape, inserting the mandrel and preform tube into an oven and curing the preform tube on the mandrel to polymerize the synthetic resin to form a synthetic plastic matrix in which the reinforcing fibers are embedded. Also d) radially cutting a plurality of axial segments from the preform tube and e) providing a plurality of radial through openings in each of the plurality of axial segments.
B29C 70/16 - Façonnage de matières composites, c.-à-d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p. ex. des inserts comprenant uniquement des renforcements, p. ex. matières plastiques auto-renforçantes des renforcements fibreux uniquement caractérisées par la structure des renforcements fibreux utilisant des fibres de grande longueur, ou des fibres continues
2.
COMPOSITE MATERIAL ROLLING-ELEMENT BEARING CAGE HAVING HIGH INTERLAMINAR COHESION AND ASSOCIATED ROLLING-ELEMENT BEARING UNIT AND METHOD
A composite material rolling bearing cage includes an annular body having a plurality of pockets each configured to retain a rolling element body of a rolling bearing. The annular body has an axis of symmetry and an axial width, and the pockets are radially disposed around the annular body. The annular body is formed from a plurality of superimposed layers of reinforcing fibers embedded in a synthetic plastic material, the fibers of each layer of the plurality of layers are arranged at an angle to the axis of symmetry, and the angle to the axis of symmetry of the fibers in each layer is about 15° or less different than the angle to the axis of symmetry of the fibers in each immediately adjacent layer of the plurality of layers, “about” indicating a tolerance of ±3°.
A machine component has a first tribological surface contacts a second tribological surface of another machine component during a machine operation. At least part of the first tribological surface is covered with a coating that includes a first coating layer and a second coating layer. The first coating layer includes an inorganic protective coating composition that is a chemically produced coating composition containing at least one of black oxide or manganese phosphate. The second coating layer includes an organically modified silane composition, in which an organically modified silane in the organically modified silane composition contains one or more amine groups. The first coating layer is in direct contact with at least part of the first tribological surface, and the second coating layer is in direct contact with at least part of the first coating layer.
C10M 111/04 - Compositions lubrifiantes caractérisées en ce que le matériau de base est un mélange d'au moins deux composés couverts par plus d'un des groupes principaux , chacun de ces composés étant un composé essentiel l'un d'eux, au moins, étant un composé organique macromoléculaire
C10M 107/50 - Compositions lubrifiantes caractérisées en ce que le matériau de base est un composé macromoléculaire contenant du silicium
C10N 50/00 - Forme sous laquelle est appliqué le lubrifiant au matériau à lubrifier
F16C 33/12 - Composition structuraleEmploi de matériaux spécifiés ou de traitement particulier des surfaces, p. ex. contre la rouille
4.
WHEEL HUB BEARING UNIT WITH OPTIMIZED POSITIONING OF ROLLERS
A wheel hub bearing unit includes a hub rotatable about an axis and having a flange connectable with a wheel, an outboard inner raceway and an inboard inner raceway. An outer ring is disposed about the hub, connectable with the vehicle and has an outboard outer raceway and an inboard inner raceway. Each outer raceway has a midpoint circle and a contact angle of each outer raceway is defined by a separate line perpendicular to the raceway through the midpoint circle, the two lines intersecting at a vertex point. A midpoint spacing line extends axially between the raceway midpoint circles and the vertex point is spaced axially from a center of the spacing line by no greater than five millimeters. Each contact angle is between ten and twenty-five degrees and the difference between the radii of the two midpoint circles is between three and ten millimeters.
A rolling element for a rolling bearing has a body with an outer running surface. The running surface is provided with at least one marking designed to identify the rolling element. The marking may include at least one notch in the running surface of the rolling element body or a plurality of notches in the running surface. The plurality of notches of the marking may all be located within an area of the running surface having a predetermined size. Further, the notch or each one of the plurality of notches may be filled with a filler material, the filler material being different than a material of the rolling element.
A composite material rolling-element bearing cage includes a plurality of pockets each configured to freely house a rolling element body. The cage is made of a fiber-reinforced synthetic plastic material including a plurality of superimposed layers of reinforcing fibers embedded in a synthetic plastic material. At least one first line tangent to a circumference of a first one of the plurality of pockets and to a circumference of an immediately adjacent second one of the plurality of pockets forms a first acute angle relative to the axis of symmetry, and all the reinforcing fibers of a radially innermost layer of the plurality of superimposed layers and/or a radially outermost layer of the plurality of superimposed layers form a second acute angle with the axis of symmetry, the second angle being less than or equal to the first angle.
A composite material rolling bearing cage includes an annular body having an axis of symmetry and a plurality of pockets each configured to retain a rolling element. The annular body is formed from a plurality of superimposed layers of reinforcing fibers embedded in a synthetic plastic material, and the fibers of each layer are arranged at an angle to the axis of symmetry. Each pocket has an annular contact zone configured to contact a rolling element, and the annular contact zone has a radial width. The annular contact zone of each pocket is delimited by at least one first layer of the plurality of layers, and the reinforcing fibers of the at least one first layer of the plurality of layers of reinforcing fibers forms an angle of 90°±3° to the axis of symmetry.
A low noise composite material rolling bearing cage formed by a method that includes providing an annular body having a plurality of through openings each configured to receive a rolling body, the annular body comprising epoxy resin and a plurality of embedded and superimposed layers of continuous reinforcing fibers in the epoxy resin, the epoxy resin having a glass transition temperature greater than or equal to 90° C., and subjecting the annular body of epoxy resin to a burr-removing tumbling operation. Also a related method.
A pillow block assembly is for supporting a shaft for rotating about an axis of rotation, the pillow block assembly including a bearing housing, having an interior accommodating a shaft bearing, and a seal assembly. The bearing housing is split along a first plane accommodating the axis of rotation into a first bearing housing half and a second bearing housing half. The seal assembly includes at least one radial shaft seal with at least one seal lip, preferably having a spring adapted to bias the seal lip, and a spacer adapted to be fitted around the shaft and adapted to rotate with the shaft, the spacer having a radially outwardly directed first sealing surface. The seal assembly further includes a cover at least partially surrounding the first sealing surface of the spacer, the cover being reversibly secured to the housing. The radial shaft seal is arranged to seal between the cover and the first sealing surface of the spacer.
The present disclosure relates to a fixture (1) for functional testing of a roller bearing cage (10) for a roller bearing, the roller bearing cage (10) comprising a first annular portion (12) and a second annular portion (13), a plurality of pillars (14) interconnecting the first annular portion (12) and the second annular portion (13), adjacent pairs of the plurality of pillars (14) each defining a pocket (15) for holding a roller (11), the roller bearing cage (10) having a rotation axis (R), wherein the fixture (1) is configured to be attached to the roller bearing cage, the fixture (1) having a circumferential extension (CE) about a fixture (1) centre axis (R1) which is aligned with the rotation axis (R) of the roller bearing cage when the fixture (1) is attached to the roller bearing cage (10), wherein the circumferential extension (CE) of the fixture (1) is less than 360 degrees, and the fixture (1) is configured to hold at least one roller (11) at a predefined radial position relative to the roller bearing cage, when being attached to the roller bearing cage and when the roller bearing cage (10) is rotated in relation to the fixture (1). The present disclosure also relates to a system and a method for functional testing of a roller bearing cage (10).
A wheel hub for a vehicle includes a flange configured to be connected to at least one wheel of the vehicle with at least one fastening device. The flange is provided with at least one reinforcing element that increases stiffness of the flange in a predetermined area, the predetermined area being determined based on intended operating conditions of the vehicle.
A bearing unit having a central axis of rotation and having a radially outer ring, stationary, a radially inner ring, rotatable, and a sealing device, which is provided with: a first shield integral with the radially outer ring and which supports a first sealing element; a second shield integral with the radially inner ring and which supports a second sealing element; wherein the first and the second sealing element are provided with respective first and second shaped surfaces which: are axially opposed but not in contact with each other; define a plurality of ridges and valleys; and are radially staggered so that each ridge of the first shaped surface corresponds to a valley of the second shaped surface and vice versa.
The present invention provides a spherical roller bearing that meets at least one of the following conditions: a) in the circumferential direction, a first axial circumferential-runout of a first axial end face of an inner ring (11) with respect to an axis determined by an inner circumferential surface of the inner ring is 2.647 x10-5xd ± 2 micrometer, where d is the nominal inner diameter of the inner ring and its unit is mm; b) in the circumferential direction, an inner ring first perpendicularity of an inner ring first selected position on the inner circumferential surface at a first axial end of the inner ring relative to a second axial end face of the inner ring is 4.412 x 10-5x d ± 2 micrometer, where d is the nominal inner diameter of the inner ring and its unit is mm; c) in the circumferential direction, an outer ring first perpendicularity of an outer ring (12) first selected position on an outer circumferential surface at a first axial end of the outer ring relative to a second axial end face of the outer ring is 1.25 × 10-5× D ± 2 micrometer, wherein D is the nominal outer diameter of the outer ring and its unit is mm; d) the radial clearance C between the roller and the inner surface of the outer ring is: 5.588 × 10-4xd < C < 7.941 × 10-4x d, where d is the nominal inner diameter of the inner ring and its unit is mm.
F16C 19/28 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à rouleaux essentiellement du même gabarit, disposés dans une ou plusieurs rangées circulaires, p. ex. roulements à aiguilles pour charges radiales principalement avec plusieurs rangées de rouleaux
F16C 23/08 - Roulements à billes ou à rouleaux à autoréglage
F16C 33/58 - Chemins de roulementBagues de roulement
A vehicle wheel end sub-assembly includes a wheel bearing unit configured to be assembled on a vehicle stub axle, and a wheel adapter rotatably supported on the stub axle via the wheel bearing unit. The wheel bearing unit includes two rows of bearings and an outer ring integral member, and the wheel adapter is releasably connected to the outer ring integral member at at least one screw fastening point by at least one threaded fastener and is configured to connect a brake disk to a wheel. The at least one screw fastening point is located at a radial periphery of the outer ring integral member at a location axially spaced from an outboard end face of the outer ring integral member.
F16C 19/38 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à rouleaux essentiellement du même gabarit, disposés dans une ou plusieurs rangées circulaires, p. ex. roulements à aiguilles pour charges à la fois axiales et radiales avec plusieurs rangées de rouleaux
15.
ROLLING BEARING WITH SEALS AND A PERFORATED SPACER RING BETWEEN THE SEALS
A rolling bearing includes a first ring and a second ring capable of rotating concentrically relative to one another. The rolling bearing further includes at least two seals and a spacer ring axially arranged between the two seals. The spacer ring includes a flange projecting radially outwardly toward the second ring and an annular axial collar, the spacer ring having at least one axial hole.
A rolling bearing includes a first ring and a second ring capable of rotating concentrically relative to one another. The bearing further includes at least two seals and a spacer ring axially arranged between the two seals and including a flange that radially outwardly projects toward the second ring, and an annular axial collar. The spacer ring has at least three dissociable segments circumferentially adjacent forming the spacer ring.
F16C 33/78 - Dispositifs d'étanchéité pour roulements à billes ou à rouleaux avec diaphragme, disque ou bague, avec ou sans parties élastiques
F16C 19/08 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec plusieurs rangées de billes
A ball joint assembly includes a ball joint having a ball stud with a shaft portion and a ball head portion, the ball head portion being rotatably retained within a housing. The ball joint assembly further includes a dust cover adapted to cover the ball joint. The dust cover includes an upper-end portion and a lower-end portion. The upper-end portion is fixed to the housing and the lower-end portion is fixed to the shaft portion. Further, the dust cover is securely attached to the ball joint using at least one garter spring. The at least one garter spring is adapted to be arranged at the upper-end portion or at the lower-end portion and is configured to fasten the dust cover to the housing or to the shaft portion.
A bearing device includes a bearing having first and second mutually rotatable rings and a bushing having a first cylindrical surface, a second cylindrical surface radially spaced from a first cylindrical surface of the bushing, a first flange extending radially from a first end of the first cylindrical surface and a second flange extending radially from the second cylindrical surface. The first flange has a free edge having a first diameter and the second flange has a free edge having a second diameter less than the first diameter. An electrically insulating insert is overmolded between and connects the first cylindrical surface of the bushing and the second cylindrical surface of the second ring and is also overmolded on the first flange and the second flange.
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
19.
BEARING DEVICE WITH INTEGRATED ELECTRICAL INSULATION, NOTABLY FOR AN ELECTRIC MOTOR OR MACHINE, AND ASSOCIATED MANUFACTURING METHODS
A bearing device includes a bearing having first and second mutually rotatable rings, the second ring having a first cylindrical surface and a second cylindrical surface radially spaced from the first cylindrical surface, and a bushing having an axial length and a first cylindrical surface and a second cylindrical surface radially spaced from the first cylindrical surface of the bushing. An elastically deformable member is located radially between the second ring and the bushing, and an electrically insulating insert is overmolded between and connects the first cylindrical surface of the bushing and the second cylindrical surface of the second ring and contacts the elastically deformable member. The elastically deformable member radially contacts the second ring and/or the bushing and is radially compressed relative to a free state of the elastically deformable member.
F16C 27/06 - Paliers ou supports de paliers élastiques ou extensibles pour mouvement de rotation exclusivement par le moyen de parties en caoutchouc ou en un matériau analogue
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
F16C 27/04 - Roulements à billes ou à rouleaux, p. ex. à organes de roulement élastiques
F16C 33/58 - Chemins de roulementBagues de roulement
H02K 5/16 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques
20.
METHOD FOR TRANSFERRING DATA AND ASSOCIATED DEVICE
A mobile device (3) for transferring data between a condition monitoring device (40) having at least one sensor (2) and at least one processing device (4). The device also includes a first communication means (11), a second communication means (12), and a memory (13). The first communication means (11) communicates with the sensor (2) to arrange a first transmission path between the condition monitoring device and the mobile device (3) to transfer data between the condition monitoring device and the mobile device. The second communication means (12) communicates with the processing device (4) to arrange a second transmission path between the processing device (4) and the mobile device (3) to transfer data between the processing device and the mobile device. The memory (13) stores data transfer through the first and second transmission path.
A bearing device includes a bearing having first and second rings configured for relative rotation, a bushing and an electrically insulating insert overmolded between the second ring and the bushing. The bushing includes a radial groove at least partially aligned with a radial groove in the insulating insert, and the bearing device includes a key having a first portion mounted in the radial groove of the bushing and a second portion mounted in the radial groove of the insulating insert. Also a method of forming the bearing device.
H02K 5/173 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des roulements à rouleaux, p. ex. des roulements à billes
A suspension bearing unit includes a lower support cap, an upper bearing cap that is formed in one piece and has an external skirt, and at least one bearing disposed between the lower support cap and the upper bearing cap. The upper bearing cap further includes at least one sealing portion radially surrounding the bearing and extending towards the lower support cap while being spaced from the lower support cap, and the external skirt radially surrounds the sealing portion of the upper bearing cap. The lower support cap includes at least one shoulder axially below the sealing portion that is defined by a first surface and a second surface of the lower support cap, and the first surface extends at least axially and the second surface extends at least radially and extends radially inwardly from the first surface.
F16C 33/80 - Dispositifs d'étanchéité pour roulements à billes ou à rouleaux à labyrinthes
B60G 11/16 - Suspensions élastiques caractérisées par la disposition, l'emplacement ou le type des ressorts ayant des ressorts hélicoïdaux, spirales ou en bobines uniquement caractérisés par des moyens spécialement conçus pour la fixation du ressort à l'essieu ou à une partie suspendue du véhicule
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
A universal joint cross includes a trunnion, a cup, rolling elements between the cup and the trunnion, and a seal. The seal seals a seals a space between the cup and the trunnion and includes an elastomeric member, wherein a first rigid part of the seal has, in an axial section, a first arm and at least one second arm, which are connected by an intermediate section of the first rigid part. The first arm and the second arm extend from the intermediate section toward the rolling elements and the second arm abuts against the trunnion. The intermediate section includes a first region, which contacts at least one projection of a face surface of the elastomeric member or which provides a gap seal or a labyrinth seal with the at least one projection, and at least a second region, which contacts the face surface of the elastomeric member.
A method for estimating an accuracy of a simulation model of a machine having a rolling-element bearing includes determining sets of machine operating measurements and sets of bearing operating measurements at certain reference moments, determining values of a bearing indicator from the sets of bearing operating measurements and determining values of the bearing indicator from the simulation model of the machine, comparing the values of the measured bearing indicator and the simulated bearing indicator for identical values of the operating parameter of the machine, and estimating an accuracy of the simulation model of the machine from the comparison. Also a device for performing the method.
A pivot column bearing is provided for a pivotable fin stabilizer of watercraft, the stabilizer having a column pivotable about a vertical axis. The pivot column bearing includes an upper bearing and a lower bearing, the upper and lower bearings being configured to mount the pivot column pivotably about the vertical axis. At least one of the upper bearing and the lower bearing has spherical guide surfaces.
B63B 39/06 - Installations pour diminuer le tangage, le roulis ou autres mouvements similaires indésirables du navireAppareils pour indiquer l'assiette du navire réduisant les mouvements du navire par l'effet d'ailerons agissant sur l'eau ambiante
A strut bearing is provided to reduce an overall height of a vehicle when a suspension strut is attached to the vehicle. The strut bearing includes an upper housing, a lower housing and a rolling bearing arranged between the upper and lower housings. The rolling bearing includes an inner race, an outer race and rolling elements arranged between the inner and outer races. One of the inner and outer races is attached to the upper housing and the other one of the inner and outer races is attached to the lower housing. An insert and an isolator are each attached to the lower housing. The insert has a first surface that is attached to the lower housing. The isolator is attached to a second surface of the insert with an attaching surface provided to the isolator. Thereby, at least a part of the isolator is directly attached to the insert.
F16C 35/04 - Supports rigides de paliersCorps de paliers, p. ex. calottes, couvercles dans le cas de roulements à billes ou à rouleaux
F16C 19/16 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales avec une seule rangée de billes
28.
BEARING DEVICE WITH INTEGRATED ELECTRICAL INSULATION, NOTABLY FOR AN ELECTRIC MOTOR OR MACHINE
A bearing device includes a bearing and a bushing. The bearing has first and second rings, and the bushing has a first axial end and a second axial end and an axial length from the first axial end to the second axial end and a first radial surface and a second radial surface radially spaced from the first radial surface. An electrically insulating insert is overmolded between and connects the first radial surface of the bushing and a cylindrical surface of the second ring. The first radial surface of the bushing is curved but does not lie on a single cylinder.
F16C 33/06 - Surface de glissement principalement constituée de métal
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
29.
BEARING DEVICE WITH INTEGRATED ELECTRICAL INSULATION, NOTABLY FOR AN ELECTRIC MOTOR OR MACHINE
A bearing device includes a bearing having first and second rings, a bushing, and an electrically insulating insert overmolded between and connecting the bushing and a second radial side of the second ring. The second radial side has a cylindrical central portion and a cylindrical lateral part axially and radially offset from the cylindrical center portion. A connection face extends from the first cylindrical lateral part to the cylindrical center portion, and has a plurality of circumferentially spaced grooves. One of a plurality of first ribs of the electrically insulating bushing extends into a respective one of the plurality of first circumferentially spaced grooves. At least a portion of the connection face has a radial component.
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
30.
MOLDED CAGE FOR ROLLING BEARINGS AND RELATED ROLLING BEARING UNIT
A rolling bearing unit includes a rolling bearing and an annular cage including an annular body molded from a synthetic plastic material and a plurality of seats or pockets to accommodate the respective rolling bodies. The annular body has a radially outer annular lateral surface including an annular shallow recess extending axially between a pair of opposing end edges of the annular body and a pair of annular guide reliefs designed to cooperate when in use with an outer ring of a bearing. The radially outer lateral surface of the annular body is provided with a plurality of sets of four recesses arranged around each one of the plurality of pockets, each recess preferably being formed as a blind recess.
A bearing device includes a bearing having first and second rings and a bushing having a first cylindrical surface and a second cylindrical surface radially spaced from the first cylindrical surface. An electrically insulating insert is overmolded between and connects the first cylindrical surface of the bushing and the second cylindrical surface of the second ring. The first cylindrical surface of the bushing includes a first annular band of material projecting toward the second cylindrical surface of the second ring, the first annular band has a radial surface facing the second cylindrical surface of the second ring, the first annular bandhas an axial width less than the axial width of the bushing, and the radial surface of the first annular band is curved but does not lie on a single cylinder.
A bearing component for a roller bearing includes a main body that forms the bearing component and is made of an iron-containing material having a pearlitic base structure and/or ferritic base structure. The main body has at least one raceway designed such that at least one rolling body can roll thereon. Preferably, the material of the main body includes cast iron and the at least one raceway is an inductively hardened.
F16C 19/02 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires
A roller bearing for a steering column includes a first ring, a second ring and at least one row of balls arranged between the two rings. The second ring including a casing, at least one insert arranged in the casing so as to form a raceway of the second ring, and at least one prestressing element mounted in the casing and exerting an axial force on the insert. The first ring has a raceway for the balls, the raceway having in cross-section a concave inner profile that is asymmetrical relative to a plane parallel to a radial plane passing through the center of the balls.
F16C 33/58 - Chemins de roulementBagues de roulement
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
34.
METHOD, SYSTEM AND STORAGE MEDIUM FOR DETECTING ABNORMALITY OF MECHANICAL PROCESSING EQUIPMENT
A method, system, and storage medium for detecting abnormality of mechanical processing equipment. The method includes obtaining processing data of the mechanical processing equipment during machining of a workpiece, obtaining a type of the workpiece of the processing data, separating the processing data based on the type of machined workpiece, selecting a machine learning model corresponding to the workpiece type of the separated processing data to process the separated processing data to obtain an abnormality detection result. With the method for detecting abnormality of mechanical processing equipment disclosed in the present disclosure, abnormality of the mechanical processing equipment can be accurately detected, thereby improving the yield rate of the processed workpiece.
Disclosed is a bearing component (1) for a bearing (10), comprising a base element (1') made from a metallic material and at least one load carrying layer (11), wherein the at least one load carrying layer (11) has a hardness of 55 HRC or more, characterized in that the metallic material of the base element (1') has a hardness that is 50 HRC or less.
An estimation system for estimating a service life of a grease lubricated bearing includes a processing unit configured to determine a duration of a churning phase of the grease lubricated bearing and to estimate a service life of the grease lubricated bearing based on the determined duration of the churning phase. Also a method for estimating a service life of a grease lubricated bearing
A rolling bearing for a steering column including a first ring, a second ring, and at least one row of balls arranged between the rings. The second ring includes a casing and at least one insert element arranged in the casing and forming a bearing race of the second ring, and at least one prestress element mounted in the casing and exerting an axial force on the insert element. The first ring has a bearing race having, in cross section, a concave inner profile, and at least one first thrust surface extending from a first axial end of the bearing race obliquely toward the outside in the direction of the second ring.
F16C 33/58 - Chemins de roulementBagues de roulement
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
The invention relates to a cage (10) for an axial bearing (12), the cage comprising pockets (14) which are designed to receive rolling elements. According to the invention, the cage has at least one protrusion (20) which extends from a main body (16) of the cage in at least one axial direction (18) of the cage and which is designed to centre a ring (22) of the axial bearing.
F16C 19/30 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à rouleaux essentiellement du même gabarit, disposés dans une ou plusieurs rangées circulaires, p. ex. roulements à aiguilles pour charges axiales principalement
A bearing assembly includes an outer ring connectable with a housing, the outer ring having an outer raceway and a transmitter coil spaced axially from the outer raceway. The transmitter coil is electrically connectable with a battery and is configured to generate an electromagnetic field when current flows through the transmitter coil. An inner ring is disposeable about a rotor shaft and has an inner raceway and a receiver coil spaced axially from the inner raceway so as to be located proximal to and inductively coupled with the transmitter coil such that electric current is generated within the receiver coil when current flows through the transmitter coil. The receiver coil is connected to electromagnetic coils of a motor rotor such that electric current flows from receiver coil to the coils. A plurality of rolling elements are disposed between rotatably couple the outer ring with the inner ring.
H02J 50/10 - Circuits ou systèmes pour l'alimentation ou la distribution sans fil d'énergie électrique utilisant un couplage inductif
B60L 50/60 - Propulsion électrique par source d'énergie intérieure au véhicule utilisant de la puissance de propulsion fournie par des batteries ou des piles à combustible utilisant de l'énergie fournie par des batteries
H02K 5/04 - Enveloppes ou enceintes caractérisées par leur configuration, leur forme ou leur construction
H02K 7/00 - Dispositions pour la mise en œuvre d'énergie mécanique associées structurellement aux machines dynamo-électriques, p. ex. association structurelle avec des moteurs mécaniques d'entraînement ou des machines dynamo-électriques auxiliaires
A bearing unit includes a radially outer ring, a radially inner ring, and a retention cage configured to retain a plurality of rolling bodies between the radially outer ring and the radially inner ring. The retention cage includes a one-piece annular body having a plurality of radially extending pockets each configured to retain one of the plurality of rolling bodies, and each of the plurality of pockets is bounded by a pocket surface. The pocket surface includes a plurality of convex portions and a plurality of concave portions and is bounded by an inner imaginary cylinder and a concentric outer imaginary cylinder. The convex portions are tangent to or extend in part along the inner imaginary circle, and the concave portions are tangent to or extend in part along the outer imaginary circle.
A bearing unit has a central rotation axis, a radially outer ring, a radially inner ring, and a retention cage configured to retain a row of rolling bodies between the inner ring and the outer ring. The retention cage is centered on the radially external ring and includes a one-piece annular body having a plurality of through pockets each configured to house and retain one of the rolling bodies. A first ring of material is located on a first axial side of the through pockets, a second ring of material is located on a second axial side of the through pockets, a bridge extends from the first ring of material to the second ring of material between each adjacent pair of the through pockets, and a lightening through opening is located at a first end of each bridge and at a second end of each bridge.
A bearing unit has a central rotation axis and includes radially inner and outer rings and a one-piece retaining cage having pockets bounded by cage rings and separated by bridges. A plurality of radially outwardly extending protuberances are arranged in a first row and a second row axially spaced from and parallel to the first row on a radially outer surface of the first cage ring and in a third row and a fourth row axially spaced from and parallel to the third row on a radially outer surface of the second cage ring. The protuberances of each first row are circumferentially spaced. The protuberances of the first row are circumferentially offset from the protuberances of the second row, and the protuberances of the third row are circumferentially offset from the protuberances of the fourth row.
A bearing unit has a radially outer ring, a radially inner ring and a retaining cage configured to retain a plurality of rolling bodies between the inner ring and the outer ring. The retaining cage is centered on the radially outer ring and includes a one-piece annular body including a first ring connected to a second ring by a plurality of bridges. A plurality of pockets in the annular body are configured to house and retain one of the plurality of rolling bodies, and the pockets are framed by the first ring and the second ring and are located between adjacent pairs of the bridges. Each of the plurality of pockets has a side wall having a circumference, and a plurality of circumferentially spaced circumferentially extending recesses of substantially square section are located in the side wall of each of the recesses.
An annular element of a wheel hub is provided with a front toothing for transmitting torque and including a plurality of teeth extending radially between a first diameter and a second diameter of the front toothing and having ridges. A first end of the teeth extend to a third diameter of the front toothing at which the teeth have a maximum height and a second end of the teeth extend to a fourth diameter of the front toothing at which the teeth have a minimum height. The ridges each have a section at which the teeth have a straight radial profile and is rounded. A ratio between the third and first diameters is greater than 0.9.
A bearing device includes a bearing having a first ring and a second ring configured to rotate relative to each other relative to a central axis, the second ring having first and second cylindrical surfaces, and a bushing having first and second axial ends and first and second radial surfaces. The bushing is conceptually divided into first and second axial halves by an imaginary plane perpendicular to the central axis and halfway between the first and second axial ends. An electrically insulating insert is overmolded between and connecting the first radial surface of the bushing and the second cylindrical surface of the second ring. The second radial surface of the bushing includes a planar portion extending from the imaginary plane toward the first and second axial ends of the bushing.
A bearing assembly includes an annular carrier, an outer ring disposed within the carrier, the outer ring having an outer raceway and a transmitter coil spaced axially from the outer raceway. The transmitter coil is electrically connectable with a battery and is configured to generate an electromagnetic field when current flows through the transmitter coil. An inner ring is disposable about a rotor shaft and has an inner raceway and a receiver coil spaced axially from the inner raceway so as to be located proximal to and inductively coupled with the transmitter coil such that electric current is generated within the receiver coil when current flows through the transmitter coil. The receiver coil is connected to electromagnetic coils of a motor rotor such that electric current flows from receiver coil to the coils. A plurality of rolling elements are disposed between rotatably couple the outer ring with the inner ring.
H02K 5/173 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des roulements à rouleaux, p. ex. des roulements à billes
B60K 7/00 - Disposition du moteur dans ou jouxtant une roue motrice
47.
BEARING DEVICE WITH INTEGRATED ELECTRIC INSULATION, NOTABLY FOR AN ELECTRIC MOTOR OR MACHINE
A bearing device includes a bearing having first and second rings configured to rotate relative to each other and a bushing and an electrically insulating insert. The second ring has first and second cylindrical surfaces. The bushing has first and second cylindrical surfaces. The electrically insulating insert is overmolded between and connects the first cylindrical surface of the bushing and the second cylindrical surface of the second ring. The first cylindrical surface of the bushing includes a first annular band of material projecting toward the second cylindrical surface of the second ring, the first annular band of material has a radial surface facing the second cylindrical surface of the second ring, the first annular band of material has an axial width less than an axial width of the bushing, and the radial surface of the first annular band of material includes at least one planar portion.
H02K 5/173 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des roulements à rouleaux, p. ex. des roulements à billes
A bearing device includes a bearing having first and second rings, a bushing and an electrically insulating insert overmolded between and connecting the bushing and a cylindrical surface of the second ring. The bushing is formed from two parts each having a cylindrical portion and a radial collar, and the insert is overmolded onto the cylindrical portions and the collars. Also, a surface of the first cylindrical portion and a surface of the second cylindrical portion together delimit a radially inner surface of the bushing or a radially outer surface of the bushing.
H02K 5/173 - Moyens de support des paliers, p. ex. supports isolants ou moyens pour ajuster les paliers dans leurs flasques utilisant des roulements à rouleaux, p. ex. des roulements à billes
characterized in thatcharacterized in that a lubricant circuit is provided between the lubricant inlet (11) and the lubricant outlet (13) in that the lubricant exits the inner sealing chamber in the region of the one or more inner seals (8) and enters the outer sealing chamber.
A sealing device for sealing a bearing unit between a stationary radially outer ring and a rotary inner flanged ring against external contaminants. The sealing device includes a rotary metal first shield which has a shaped annular form and is mounted on the flanged ring, a stationary metal second shield which has a shaped annular form and is mounted on the radially outer ring and an elastomer annular sealing element, which is wholly supported by the second shield, the sealing element having an annular contacting lip and a non-contacting lip arranged radially outside the contacting lip. The non-contacting lip has a curved cross-section defined by different radii of curvature and a radially outward-facing concavity.
A radial shaft sealing ring has a metal support ring and an elastomer part with a scaling lip resting at least partially on a rotating component. The elastomer part at least partially surrounds the support ring. The support ring has a first surface, which is free of the elastomer part, faces the exterior space and to which an element can be attached.
F16J 15/3284 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques caractérisés par leur structureEmploi des matériaux
52.
METHOD AND ARRANGEMENT FOR APPLYING A COATING TO A BEARING COMPONENT
A method includes providing a bearing component in a holding apparatus, applying a defined amount of a coating material to the bearing component, and curing the coating material on the bearing component while using the holding apparatus to rotate the bearing component at a first speed. Also optionally rotating the bearing component at a second speed while applying the defined amount of the coating material. Also an apparatus for performing the method.
B05C 13/02 - Moyens pour manipuler ou tenir des objets, p. ex. des objets individuels pour des objets particuliers
B05D 3/02 - Traitement préalable des surfaces sur lesquelles des liquides ou d'autres matériaux fluides doivent être appliquésTraitement ultérieur des revêtements appliqués, p. ex. traitement intermédiaire d'un revêtement déjà appliqué, pour préparer les applications ultérieures de liquides ou d'autres matériaux fluides par cuisson
A bearing component includes a main bearing component body, such as a bearing ring, and a coating on the main bearing component body, where the coating includes at least one material curable with electromagnetic radiation in a cured or uncured state. Also a method of applying a coating to a bearing component.
A bearing device includes a first ring and a second ring configured to rotate relative to one another and an insulating sleeve formed from a bushing and an electrically insulating lining. The lining is overmolded on the bushing and on the second ring and connects the bushing to the second ring. The radial internal or external surface of the bushing incudes at least one helicoidal groove and the lining incudes at least one fastening rib having a shape complementary to a shape of the at least one helicoidal groove that extends into the at least one helicoidal groove. The helicoidal groove extends circumferentially at least 360 degrees around the radial internal or external surface of the bushing or the radial internal surface of the bushing.
A hub bearing unit includes a hub rotatable about a central axis and has outboard and inboard inner raceways. An outer ring is disposed about the hub and is connectable with a vehicle, the outer ring having outboard and inboard outer raceways. An outboard set of rolling elements is disposed between the outboard inner and outer raceways, traverses an outboard pitch circle and has an outboard contact angle. An inboard set of rolling elements is disposed between the inboard inner and outer raceways, traverses an inboard pitch circle and has an inboard contact angle. The outboard pitch circle has a diameter at least five millimeters greater than a diameter of the inboard pitch circle. The outboard contact angle is at least thirty-four degrees and the inboard contact angle has a value within a range of forty-five percent and seventy-five percent of the value of the outboard contact angle.
A bearing ring includes a first ring portion, a second ring portion and a third ring portion, and the second ring portion is radially sandwiched between the first ring portion and the third ring portion. At least a portion of the first ring portion forms a running surface for a rolling-element. The second ring portion is disposed on the first ring portion, the third ring portion is disposed on the second ring portion, and the third ring portion comprises an axially split ring or a radially split ring.
A fluid-lubricated plain bearing includes a bearing element, such as a tilting pad, having a sliding surface and a sliding layer connected to or formed on the sliding surface. The sliding layer includes a fiber composite material, and the fiber composite material includes a matrix and fibers embedded in the matrix. The fibers may include a lubricating fibers and reinforcing fibers and the fibers may be woven together.
A scroll compressor includes a housing and a rotatable drive shaft disposed within the housing and having an eccentric end portion. First and second support bearings rotatably couple the drive shaft with the housing and each includes a plurality of rolling elements, at least one of which is ceramic, and an annular cage formed of a polymeric material. A scroll member is disposed within the housing chamber and a drive bearing rotatably couples the shaft eccentric portion with the scroll member such that the scroll member orbits about the central axis. The drive bearing includes a plurality of rolling elements, at least one of which is ceramic, and an annular cage formed of a polymeric material. Further, a solution formed of refrigerant and oil is directed to each one of the drive bearing and the first and second support bearings so as to lubricate the rolling elements.
F04C 18/02 - Pompes à piston rotatif spécialement adaptées pour les fluides compressibles du type à engrènement, c.-à-d. avec un mouvement de translation circulaire des organes coopérants, chaque organe possédant le même nombre de dents ou de parties équivalentes de prise
F04C 29/02 - LubrificationSéparation du lubrifiant
F16C 19/08 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec plusieurs rangées de billes
59.
TAPERED ROLLER BEARING, BEARING CAGE FOR A TAPERED ROLLER BEARING, AND METHOD FOR ASSEMBLING THE TAPERED ROLLER BEARING
The invention relates to a tapered roller bearing (1) comprising at least one first ring (4), at least one second ring and a plurality of tapered rollers (8) which are arranged between the at least one first ring (4) and the at least one second ring, wherein the first or the second ring (4) has a retaining rim (6), wherein the tapered roller bearing (1) also has at least one bearing cage (2) which has at least a first cage ring element (10), at least a second cage ring element (12) and a plurality of connecting pieces (16) extending substantially in the axial direction, wherein the connecting pieces (16) and the cage ring elements (10, 12) are connected to one another such that pockets (18) for receiving a tapered roller (8) are formed between the connecting pieces (16) and the cage ring elements (10, 12), wherein each pocket (18) has a pocket length (LL) in the axial direction and a pocket width (LB) in the circumferential direction, wherein the pocket length (LL) of at least one pocket (18) is greater than an axial length (LR) of the received tapered roller (8) by a predefined amount (Lap), the predefined amount (Lap) being selected in such a way that the received tapered roller (8) can be displaced in the pocket (18) in such a way that the bearing cage (2) can be moved at least partially over the retaining rim (6).
A radial shaft seal element includes a support ring and a seal body mounted on the support ring. The seal body includes a sealing portion configured to assume a cylindrical shape and bear against a shaft to be sealed and to separate an air side of the radial shaft seal from an oil side of the radial shaft seal. The seal body has a distal end at the oil side and an annular projection configured to bear against the shaft around a circumference of the shaft and a recirculating structure between the annular projection and the distal end. An axial spacing between the annular projection and the recirculating structure varies between a minimum and a maximum, and the recirculating structure has at least one gap that may be located at a region of the minimum spacing.
F16J 15/3244 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques avec pompage hydrodynamique
F16J 15/3228 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques avec au moins une lèvre formée par déformation d’une bague plate
61.
BEARING TESTING DEVICE AND TESTING METHOD USING THE SAME
A bearing testing device and a method for testing bearing performance in a bearing misaligned state by the bearing testing device is disclosed. The bearing testing device tests the performance of a first bearing and/or a second bearing in a misaligned state. The testing device includes a main shaft for installing the first and second bearings to be tested. A first adjusting plate rotates around a first axis perpendicular to the main shaft for a certain angle, and directly or indirectly holds the outer ring of the first bearing. A second adjusting plate rotates around a second axis perpendicular to the main shaft for a certain angle, and directly or indirectly holds the outer ring of the second bearing. An actuating assembly adjusts the angle of the first adjusting plate relative to the first axis and the angle of the second adjusting plate relative to the second axis.
A sensor (51) includes a housing (52), an electrical power supply device (64), and at least one electronic card (65, 66, 67) housed inside the housing (52). The electrical power supply device (64) and said at least one electronic card (65, 66, 67) are removable from the housing (52).
A rolling bearing includes a first ring and a second ring capable of rotating concentrically relative to each other, at least one row of rolling elements radially interposed between raceways of the rings, at least one row of rolling elements axially interposed between raceways of the rings, and at least one inner seal mounted on one of the first and second rings and coming into friction contact with the other ring of the first and second rings. The rolling bearing further includes at least one outer sealing assembly provided with a sealing shield mounted against the first ring and coming into friction contact with the second ring, the sealing shield being arranged outside the inner seal and defining together with the inner seal an annular sealed chamber.
F16C 33/78 - Dispositifs d'étanchéité pour roulements à billes ou à rouleaux avec diaphragme, disque ou bague, avec ou sans parties élastiques
F16C 19/18 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales avec plusieurs rangées de billes
A universal joint bearing includes a trunnion, a cup, rolling elements rotatably supporting the cup relative to the trunnion, and at least one seal for sealing a space between the trunnion and the cup. The cup has a substantially cylindrical surface, which is a part of a radially outer surface of the universal joint bearing. All of the rolling elements of the universal joint bearing are arranged in a certain number of rows of rolling elements. A sum of the maximum axial lengths of all the rows of rolling element divided by the sum of the maximum axial length of the substantially cylindrical surface and the maximum axial length of a radially outer surface of the at least one seal, which is another part of the radially outer surface of the universal joint bearing, is between 0.6 and 0.75.
F16D 3/205 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants une pièce d'accouplement présentant des broches orientées radialement, p. ex. joints à tripode les broches étant orientées radialement vers l'extérieur de la pièce d'accouplement
F16D 3/202 - Joints universels dans lesquels la flexibilité est réalisée par pivots ou organes de liaisons coulissants ou roulants une des pièces d'accouplement pénétrant dans un manchon de l'autre pièce d'accouplement et reliée à celle-ci par des organes coulissants ou tournants une pièce d'accouplement présentant des broches orientées radialement, p. ex. joints à tripode
A rolling bearing selection method comprising following steps: Specifying values of at least one energy consumption parameter for various rolling bearing product designations and selecting at least one rolling bearing product designation based on said values in connection with suitabilities for defined operating conditions and application requirements.
Raceway element (2) of a rolling bearing with • - a raceway side with at least one track for rolling-off of rolling bodies of the rolling bearing, and • - an other side being different, particularly opposite to the raceway side with at least one cable groove (14, 16), whereby the course of the cable groove on said side particularly corresponds at least in sections to the course of the track on the raceway side, and whereby at least one sensor cable (20) particularly comprising an optical fiber with a Bragg grating is arranged in the cable groove particularly for at least a spatially resolved detection of mechanical strains, and with an alignment groove (6) being designed to engage with an alignment element (8) of a retainer (4), to which the raceway element is intended to be mounted, particularly for a defined angular positioning and/or an anti-rotation locking between the raceway element and the retainer, whereby at least the shapes and courses of the cable groove and the alignment groove are designed at least the way that any damage of the properly arranged sensor cable by the intended engagement of the alignment element is excluded.
F16C 19/52 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec dispositifs affectés par des conditions anormales ou indésirables
F16C 33/58 - Chemins de roulementBagues de roulement
F16C 33/66 - Pièces ou détails particuliers pour la lubrification
A method for determining a chain elongation value of a conveyor chain comprising driving a conveyor at a first speed via the conveyor chain when the conveyor chain is in an initial condition, using a sensor to detect first and second times at which first and second target elements arranged on pins of the chain pass the sensor, determining a difference between the first and second times as a reference duration, performing the same measuring steps when the conveyor is operating under load at a second speed to determine a first duration, and determining the chain elongation value from the first duration and the reference duration. Also a device for performing the method.
B65G 43/02 - Dispositifs de commande, p. ex. de sécurité, d'alarme ou de correction des erreurs détectant une condition physique dangereuse des porte-charges, p. ex. pour stopper l'entraînement en cas d'échauffement
B65G 17/00 - Transporteurs comportant un élément de traction sans fin, p. ex. une chaîne transmettant le mouvement à une surface porteuse de charges continue ou sensiblement continue, ou à une série de porte-charges individuelsTransporteurs à chaîne sans fin dans lesquels des chaînes constituent la surface portant la charge
A wheel end assembly includes a seal for sealing the annular space between an inner member and an outer member, one of which is a static component and the other a rotatable component. The seal includes an annular case having a cylindrical portion engaged with the static component and an annular flange portion extending radially from the cylindrical portion so as to be oriented vertically with respect to the horizontal central axis. An annular seal member is attached to the flange portion of the case and has at least one sealing lip engaged with the rotatable component so as to separate the annular space into a first chamber and a second chamber. Further, at least one air vent hole extends axially through the flange portion of the case so as to fluidly connect the first chamber with the second chamber.
F16J 15/3236 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques avec au moins une lèvre ayant plusieurs lèvres dont au moins une lèvre pour chaque surface, p. ex. conditionnements en U
F16J 15/3252 - Joints d'étanchéité entre deux surfaces mobiles l'une par rapport à l'autre par joints élastiques, p. ex. joints toriques pourvus d’armatures ou de supports avec armatures ou supports rigides
A wheel end assembly includes a seal for sealing the annular space between an inner member and an outer member, one of which is a static component and the other a rotatable component. The seal includes an annular case having a cylindrical portion with a circumferential surface engaged with the static component and a flange portion extending radially from the cylindrical portion. An annular seal member is attached to the flange portion and has a sealing lip(s) engaged with the rotatable component so as to separate the annular space into a first chamber and a second chamber. At least one air vent includes a channel extending circumferentially and axially around at least a section of the circumferential surface of the case cylindrical portion, the channel having an inlet fluidly connected with the first chamber and an outlet spaced axially from the inlet and fluidly connected with the second chamber.
An insulated bearing has an outer ring and/or inner ring as an insulated ring. The insulated ring has a body with a surface having a material removal portion. An insulating layer is overmolded on the body and molded into the material removal portion. A method of manufacturing the insulated bearing includes having a gate used for an injection molding machine for overmolding the insulating layer arranged so the weld seam of the insulating layer after overmolding avoids the main force-loading area of the insulated ring and/or is formed in the insulating layer where the thickness of the insulating layer is at a maximum. The insulated bearing solves the problem of electrical corrosion of bearings used in high-voltage environments. The insulated bearing achieves good electrical insulation and also prevents axial and/or circumferential movement of the insulating layer, improving the electrical performance and life of the insulating layer and the bearing.
F16C 19/52 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec dispositifs affectés par des conditions anormales ou indésirables
An insulating bearing includes an outer ring, an inner ring, and rolling elements arranged between the outer and inner rings. One of the outer and/or inner ring is an insulated ring having a body and an insulating layer overmolded on the body. The insulating layer has a dielectric constant lower than 5 @ 1 MHz, more preferably lower than 4 @ 1 MHz, more preferably lower than 3.5 @ 1 MHz. The present disclosure also provides a method for manufacturing an insulating bearing. The method includes overmolding the insulating layer so that the weld seam of the insulating layer after overmolding avoids the main force-loading area of the insulated ring and/or is formed where the thickness of the insulating layer is the maximum. By overmolding, the insulating layer provides sufficient insulation even when there is high voltage and high frequency current, thereby preventing electrical corrosion of the bearing.
F16C 19/52 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec dispositifs affectés par des conditions anormales ou indésirables
A handheld measuring apparatus (1) includes a measuring head (3), a control device, and a power supply device. The measuring head (3) includes a micro-electromechanical system (11) for capturing vibrations. The micro-electromechanical system is attached to a body (4) of the measuring head (3) by a mechanical connection and is electrically connected to the control device. The micro-electromechanical system (11) is directly secured onto a circuit board (17) itself attached to the body (4) of the measuring head (3). The measuring head includes a sensor (19) and a flexible path (20) extending between the sensor and the circuit board (17). The body (4) of the measuring head (3) includes a first surface (13) for receiving the circuit board (17) and a second surface (15) for guiding the flexible path (20). The second surface (15) includes a recess (16). A portion of the flexible path (20) is guided into the recess.
G01N 29/22 - Recherche ou analyse des matériaux par l'emploi d'ondes ultrasonores, sonores ou infrasonoresVisualisation de l'intérieur d'objets par transmission d'ondes ultrasonores ou sonores à travers l'objet Détails
G01N 29/32 - Dispositions pour supprimer des influences indésirables, p. ex. des variations de température ou de pression
73.
METHOD AND DEVICE FOR DETERMINING UPDATED STATISTICAL LIFE OF A BEARING, AND WIND TURBINE INCLUDING THE DEVICE
A method and for determining an updated statistical life value of a rolling bearing in a machine, the rolling bearing including a stationary ring and a rotatable ring and at least one row of rolling elements interposed between raceways of the ring, at least one of the rolling elements being a sensorized rolling element having a load sensor configured to measure a load distribution across the sensorized rolling element. The method includes determining a set of measurements, each measurement including at least load values of the load distribution measured by the load sensor of the sensorized rolling element, for each measurement, determining a life rating value from at least the load values of the measurement and from a rating life model of the bearing, and determining the updated statistical life value from at least the life rating values.
A channel (14) for a conditioning unit is proposed. The channel includes at least a first terminal (7), a variable current source (15), and an analog-to-digital converter (16). The analog-to-digital converter (16) includes first and second connections so that an analog signal on a first connection is converted to a digital signal on the second connection. The first terminal (7) is connected to the variable current source (15) and the first connection of the analog-to-digital converter (16).
G01D 5/12 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens électriques ou magnétiques
04 - Huiles et graisses industrielles; lubrifiants; combustibles
06 - Métaux communs et minerais; objets en métal
07 - Machines et machines-outils
08 - Outils et instruments à main
09 - Appareils et instruments scientifiques et électriques
11 - Appareils de contrôle de l'environnement
12 - Véhicules; appareils de locomotion par terre, par air ou par eau; parties de véhicules
16 - Papier, carton et produits en ces matières
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
35 - Publicité; Affaires commerciales
37 - Services de construction; extraction minière; installation et réparation
39 - Services de transport, emballage et entreposage; organisation de voyages
40 - Traitement de matériaux; recyclage, purification de l'air et traitement de l'eau
41 - Éducation, divertissements, activités sportives et culturelles
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Lubricants and greases. Balls and rollers of steel and brass, Castings, sheaves and Idler pulleys, Washers, lock nuts and clamp irons, Housings and Grease nipples. ball and rolling bearings, Slide bearings, Hydrostatic bearings, parts and accessories therefor; seals for use with the following goods: Roller bearings, Bearing housings, Deflection pulleys and Idler pulleys, Crank shafts; Machine components, In particular couplings, Transmissions, Universal joints [Cardan joints], Machine tool shafts, cam rollers, Ball bushings, Ballpoint track slides, ball and roller screws, wheels, castor wheels, ends for connecting rods, piston pins and rods, assembly tools Namely engine valves Hydraulic oil injectors, Pumps [machines], Hydraulic nuts and hydraulic dismantling tools, Pressure oil apparatus, Lubricating devices for oil mist, lubrication systems and devices, Parts for the aforesaid goods and accessories therefor; Textile machine components, in particular Spinning spindles, tanning rollers, Treadle rolls, Shaft rollers, Eccentric rollers, Axle inserts, tension and guide rollers, cam followers, pendulum balance arms, top rollers, Bottom roller bearings, Lubricating apparatus for spinning spindles, yarn feeders, fixed spinning units; Sealed bearing units, automatic lubricating apparatus; Mechanical balancing units; insulated bearings, Sensorized bearings, Coated bearings; Smart actuators, namely electromechanical control units; Actuators, Linear moving systems, Positioning systems; Linear bearings and guides; magnetic bearings. Hand tools, in particular Nut wrenches, Bearing pullers, dismantling tools, bolt pre-tensioners, hand sprayers for lubricants, Hook wrenches, Impact wrenches. Measuring equipment and instruments, in particular Slide calipers, Thermometers, Shock pulse meters, test rigs, grease testers, electronic stethoscopes, digital tachometers, apparatus for supervising lubrication and grease temperature, Parts for the aforesaid goods and accessories therefor; Computer analysis systems for machines in industrial processes and factories; Computer programs, recorded; Information management system. Bearing heaters. Bearings for vehicles, bearing units and journal boxes for land vehicles; Brake drums and discs; Crank shafts, Couplings, drive trains, Wheel hubs, for land vehicles; Airframe components, flight control ropes and cables, bearings for aircraft engines, rudder bearings; Wheels for land vehicles; Bearings for jet skis; Propulsion system bearings for ships; Railway bearings. Instructional and teaching material (except apparatus); Pamphlets, books, Printed matter, Magazines, Newspapers and Catalogues, Printed manuals and Manuals [handbooks]; Office materials; Packaging materials. Packings and seals for components intended for use in hydraulics, pneumatics and automatic control; Oil seals [packings], Fluid seals, materials for packings, seals and insulation. Advertising of metal hardware Via the Internet; Compilation and input of inventory and product information into databases. Installation, repair and maintenance of industrial installations, tools, equipment and machinery and parts and components therefor in the general manufacturing and mechanical engineering industries, heavy and electrical industries, mining, steel, pulp, paper, printing, automotive and aerospace industries; Customer service in the form of information relating to the aforesaid fields. Transportation of goods by air, water or land; Goods warehousing; Logistics and reverse logistics services, namely the storage, transport and delivery of documents, packages, raw materials and other freight for others by air, water or land. Information relating to materials handling, namely galvanisation; Heat treatment of metals and Casting of metals; Hardening of metal and metal products in connection with industrial manufacturing processes. Education and training, in particular relating to technical products and services; Providing electronic publications, not downloadable, relating to technical products and services. Engineering services; Technical expertise and consultancy in the following fields: Mechanical, technical and industrial manufacturing; Research and development of new products; building and construction design; Engineering drawing; Industrial research, namely Conducting technical project studies and research relating to mechanics, technology and industrial manufacturing; Material testing; Calibration [measuring]; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Integration of computer systems and networks; Computer programming; Computer system monitoring services for others, and providing of computer programs and other facilities for backup; Safety and quality control of products and materials.
A grounding brush assembly includes a grounding brush and a brush mounting plate, the brush being provided with a plurality of conductive fibers and a support in which the conductive fibers are housed. The mounting plate is secured to the support and includes a radial portion extending radially outwardly with respect to the support and an axial portion extending axially from the radial portion so as to be spaced radially outwardly from and at least partly radially surrounding the support. The mounting plate also includes at least one collar extending radially outwardly from the distal end of the axial portion.
A separator for a ball bearing includes an annular body having a centerline, opposing first and second axial ends and an inner circumferential surface defining a central pocket sized to receive one of the plurality of balls. Preferably, the annular body has a concave outer circumferential surface defining an annular channel and configured to contact at least one adjacent one of the balls along a curved line extending at least partially between the first and second axial ends or at a plurality of contact sections spaced axially apart. The outer circumferential surface has a radius of curvature about equal to a radius of curvature of an outer surface of each one of the balls. Further, the annular body preferably also includes a plurality of annular grooves spaced axially apart, each annular groove extending radially inwardly from the concave outer circumferential surface and circumferentially about the centerline.
A separator is provided for a ball bearing including inner and outer rings and a plurality of balls disposed between the inner and outer rings. The separator includes an annular body having a centerline, opposing first and second axial ends spaced apart along the centerline, an inner circumferential surface defining a central pocket sized to receive one of the plurality of balls and an outer circumferential surface defining an outer perimeter. A plurality of inner axial channels extend radially outwardly from the inner circumferential surface and a plurality of outer axial channels extend radially inwardly from the outer circumferential surface, each inner axial channel and each outer axial channel being configured to contain lubricant. Preferably, both the inner and outer axial channels are spaced circumferentially about the centerline and each channel extends entirely axially between the first and second axial ends of the annular body.
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
F16C 33/66 - Pièces ou détails particuliers pour la lubrification
The invention relates to a rotor blade bearing assembly (214) for an underwater turbine (1), wherein the rotor blade bearing assembly (214) is designed to rotationally support a rotor blade shaft (204) in a rotor hub housing (202), wherein the rotor blade shaft (204) has a sea-side end (207) which is designed to be connected to a rotor blade (4) for conjoint rotation, and a rotor-hub-side end (208) which is designed to be received by a rotor hub (2), and wherein the rotor blade bearing assembly (214) has the rotor blade shaft (204) and a first sea-side bearing unit (220) and a second rotor-hub-side bearing unit (230), wherein the first and the second bearing units (220; 230) are arranged at a distance W from one another, wherein the first and the second bearing units (220; 230) are designed as sliding bearings (225; 235) which each have an inner sliding surface (282; 292) and an outer sliding surface (281; 291), wherein the inner sliding surface (292) of the first sliding surface (225) is formed on the sea-side end (207) of the rotor blade shaft (204) and the inner sliding surface (282) of the second sliding bearing (235) is formed on the rotor-hub-side end (208) of the rotor blade shaft (204), and wherein the outer sliding surfaces (281; 291) of the first and the second sliding bearings (225; 235) are formed by a rotor hub housing portion (252; 262), wherein the rotor hub housing portion (252; 262) is formed as a hollow tube and has a sea-side end (255), on which the sliding layer (291) for the first sliding bearing (225) is formed, and a rotor-hub-side end (254), on which the sliding layer (281) for the second sliding bearing (235) is formed.
F16C 17/14 - Paliers à contact lisse pour mouvement de rotation exclusivement caractérisés par des particularités sans rapport avec la direction de la charge spécialement adaptés au fonctionnement dans l'eau
F16C 17/26 - Systèmes consistant en une pluralité de paliers à contact lisse
F16C 33/74 - Dispositifs d'étanchéité pour paliers à contact lisse
F16C 35/02 - Supports rigides de paliersCorps de paliers, p. ex. calottes, couvercles dans le cas de paliers à contact lisse
B63H 3/02 - Hélices à pales orientables actionnées par un élément de commande à axe coaxial avec l'arbre d'hélice, p. ex. élément de commande à mouvement rotatif
The invention relates to an underwater turbine (1) having a rotor hub (2) which is connected to a rotor main shaft (6) for conjoint rotation and is designed to drive the rotor main shaft (6), wherein the rotor main shaft (6) extends in a nacelle (8) connected to the rotor hub (2) via the rotor main shaft (6) and there drives a generator (10) received therein, wherein the rotor hub (2) is furthermore designed to support at least one rotor blade (4), wherein the at least one rotor blade (4) is secured to a rotor blade shaft (204) and wherein the rotor blade shaft (204) is rotatably supported on the rotor hub (2) and has a first rotor-hub-side end (208), which projects into an interior of the rotor hub (2), and a second sea-side end (207) which can be secured to the respective rotor blade (4) for conjoint rotation, wherein in each case the rotor-hub-side end (208) of the rotor blade shafts (204) is designed to interact with a rotor blade adjustment arrangement (300) in order to rotate the at least one rotor blade shaft (204), wherein the rotor blade adjustment arrangement (300) furthermore has a translationally movable push rod (332) which has a first rotor-hub-side end (334) which is designed to project into the rotor hub (2) of the underwater turbine (1) and has at least one connection device (340) which is designed to be connectable to the rotor blade shaft (204) in such a manner that the translational movement of the push rod (332) is converted into a rotational movement of the at least one rotor blade shaft (204), and wherein the push rod (332) has a second nacelle-side end (336) which is designed to extend in the direction of the nacelle (8) of the underwater turbine (1), wherein the rotor blade adjustment arrangement (330) furthermore has a locking device (480) which is designed to fix the push rod (332) in at least one predefined translational position.
B63H 3/02 - Hélices à pales orientables actionnées par un élément de commande à axe coaxial avec l'arbre d'hélice, p. ex. élément de commande à mouvement rotatif
F16C 17/14 - Paliers à contact lisse pour mouvement de rotation exclusivement caractérisés par des particularités sans rapport avec la direction de la charge spécialement adaptés au fonctionnement dans l'eau
F16C 19/36 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à rouleaux essentiellement du même gabarit, disposés dans une ou plusieurs rangées circulaires, p. ex. roulements à aiguilles pour charges à la fois axiales et radiales avec une seule rangée de rouleaux
F16C 19/54 - Systèmes formés d'une pluralité de paliers à frottement de roulement
F16C 19/56 - Systèmes formés d'une pluralité de paliers à frottement de roulement dans lesquels les portées de roulement d'un palier différent en diamètre de celles d'un autre
The invention relates to a rotor hub (2) for an underwater turbine (1), comprising a rotor hub housing (202) which is designed to receive at least one rotor blade shaft (4). The rotor blade shaft (4) has a first rotor hub-side end (208), which is designed to be received in the interior (210) of the rotor hub housing (202), and a second sea-side end (207), which is designed to be rotationally fixed to a rotor blade (4). Additionally, the rotor blade shaft (4) is mounted in the rotor hub housing (202) by means of a first bearing unit (220) and a second bearing unit (230), wherein the first bearing unit (220) and the second bearing unit (230) are mutually spaced by a bearing distance (W), and the rotor hub (2) additionally has a rotor blade rotary drive device (316) comprising a rotatable driveshaft which is oriented perpendicularly to the rotor blade shafts (4) and at least one end of which is received in the interior (210) of the rotor hub housing (202), said end (208) which is received in the rotor hub housing (202) being rotationally fixed to a central drive bevel gear (314). The first end (208) of the rotor blade shaft (4) has a bevel gear (312) which interacts with the central drive bevel gear (314) such that the rotor blade shaft (4) rotates when the drive bevel gear (314) is operated.
The invention relates to an underwater turbine (1) comprising a rotor hub (2) which is rotationally fixed to a rotor main shaft (6). The rotor main shaft (6) extends into a nacelle (8), which is connected to the rotor hub (2) via the rotor main shaft (6), and the rotor main shaft drives a generator (10) received in the nacelle (8). The rotor hub (2) is designed to support two rotor blades (4) lying opposite each other, wherein the first rotor blade (4-1) is secured to a first rotor blade shaft (204-1), and the second rotor blade (4-2) is secured to a second rotor blade shaft (204-2). The first rotor blade shaft (204-1) and the second rotor blade shaft (204-2) are rotatably mounted on the rotor hub (2), and each rotor blade shaft has a first rotor hub-side end (208), which protrudes into the interior (210) of the rotor hub (2), and a second sea-side end (207), which is rotationally fixed to the respective rotor blade (4). Each rotor hub-side end (208) of the rotor blade shafts (204) is designed to interact with a rotor blade adjustment assembly (300) in order to rotate the first and second rotor blade shaft. The invention is characterized in that the rotor blade adjustment assembly (300) has a translationally movable push rod (332) which has a first rotor hub-side end (334) that is connected to the rotor hub-side ends (208) of the first and second rotor blade shaft (204) by means of a connecting device (340), said connecting device (340) being designed such that the translational movement of the push rod (332) is converted into rotational movement of the rotor blade shaft (204).
The invention relates to an underwater turbine (1) comprising a rotor hub (2) which is designed to drive a rotor main shaft (6). The rotor main shaft (6) has a hollow design and extends into a nacelle (8), which is connected to the rotor hub (2) via the rotor main shaft (6), and the rotor main shaft drives a generator (10) received in the nacelle. The underwater turbine (1) additionally has a rotor blade adjustment assembly (300) having a translationally movable push rod (332) that has a first rotor hub-side end (334), which is designed to protrude into the rotor hub (2) of the underwater turbine (1) and which has at least one connecting device (340) designed to be connectable to a rotor blade shaft (204), said rotor blade shaft rotatably supporting a rotor blade (4) on the rotor hub (2), such that the translational movement of the push rod (232) is converted into a rotational movement of the rotor blade shaft (204). The push rod (332) has a second nacelle-side end (336) which is designed to extend in the direction of the nacelle (8) of the underwater turbine (1). The push rod (332) is received in the hollow rotor main shaft (6), and the nacelle-side end (336) of the push rod (332) is equipped with a linear drive device (400) which is designed to act on the push rod (332) in order to translationally move the push rod (332). The linear drive device (400) is also at least partly received in the hollow rotor main shaft (6).
The invention relates to an underwater turbine (1) having a rotor hub (2) which is connected to a rotor main shaft (6) for conjoint rotation and is designed to drive the rotor main shaft (6), wherein the rotor main shaft (6) extends in a nacelle (8) connected to the rotor hub (2) via the rotor main shaft (6) and there drives a generator (10) received therein, wherein the rotor hub (2) is furthermore designed to support at least one rotor blade (4), wherein the at least one rotor blade (4) is secured to a rotor blade shaft (204) and wherein the rotor blade shaft (204) is rotatably supported on the rotor hub (2) and has a first rotor-hub-side end (208), which projects into an interior of the rotor hub (2), and a second sea-side end (207) which can be secured to the respective rotor blade (4) for conjoint rotation, wherein in each case the rotor-hub-side end (208) of the rotor blade shafts (204) is designed to interact with a rotor blade adjustment arrangement (300) in order to rotate the at least one rotor blade shaft (204), wherein the rotor blade adjustment arrangement (300) furthermore has a translationally movable push rod (332) which has a first rotor-hub-side end (334) which is designed to project into the rotor hub (2) of the underwater turbine (1) and has at least one connection device (340) which is designed to be connectable to the rotor blade shaft (204) in such a manner that the translational movement of the push rod (332) is converted into a rotational movement of the at least one rotor blade shaft (204), and wherein the push rod (332) has a second nacelle-side end (336) which is designed to extend into the nacelle (8) of the underwater turbine (1), wherein at the nacelle-side end (336) of the push rod (332) a linear drive device (400) is provided which is designed to exert a translational force on the push rod (332) in order to translationally move the push rod (332), wherein the linear drive device (400) is directly or indirectly connected to the rotor main shaft (6) of the underwater turbine (1) such that between the rotor main shaft (6) and the linear drive device (400) an operational connection is provided which is designed such that the counter-force needed to apply the translational force can be introduced into the rotor main shaft (6).
A bearing includes an inner ring having an inner raceway, an outer ring having an outer raceway, rolling elements located between the inner raceway and the outer raceway and a cage for holding the rolling elements. A diameter Dr of the rolling elements satisfies Dr≤0.35*(H1−H2), where H1 is an outer diameter of the outer ring, and H2 is an inner diameter of the inner ring, and a relative groove curvature Ri of the inner raceway satisfies 0.52≤Ri≤0.58, and/or a relative groove curvature Re of the outer raceway satisfies 0.53≤Re≤0.58.
A bearing includes an inner ring having an inner raceway, an outer ring having an outer raceway, rolling elements located between the inner raceway and the outer raceway, a cage for holding the rolling elements, and a seal. A bearing inner space is defined by the inner ring, the outer ring and the seal and a free space is a portion of the bearing inner space not occupied by the rolling elements and the cage. The lubricating oil is provided in the free space on a surface of the inner raceway and on a surface of the outer raceway, and a volume of the lubricating oil is less than 5% of a volume of the free space.
A performance detection system for the rotating device and a performance detection method for the rotating device are disclosed. The system includes a passive detection device and a gateway device. The passive detection device converts vibration energy from the rotating device into electrical energy to supply power to the passive detection device. The passive detection device transmits a broadcast signal frame to a gateway device in a preset broadcast period when the electrical energy is greater than a preset electrical energy threshold. The gateway device receives the broadcast signal frame from the passive detection device and determines a performance state of the rotating device based on the broadcast signal frame.
H02K 35/02 - Génératrices avec système de bobines, aimant, induit, ou autre partie du circuit magnétique à mouvement alternatif, oscillant ou vibrant avec des aimants mobiles et des systèmes de bobines fixes
H04W 4/38 - Services spécialement adaptés à des environnements, à des situations ou à des fins spécifiques pour la collecte d’informations de capteurs
A thin section bearing unit (10) for multiwire machines, the bearing unit having a central axis (A) of rotation and comprising: - a stationary inner ring (20); - a rotatable flanged outer ring (30), with axial dimensions smaller than an axial dimension of the inner ring (20); - a first (41) and a second row (42) of rolling elements (40) axially close to each other, in which an axial distance (D2) between the first row (41) of rolling elements (40) and the second row (42) of rolling elements (40) is between 0.8 mm and 0.9 mm; - a first (43) and a second cage (44) for retaining the rolling elements (40) of the respective first (41) and second row (42), the cages (43, 44) being made of plastic material and configured to retain the rolling elements (40) on one side only of the respective row (41, 42) of rolling elements; - only two sealing screens (50, 50') arranged on the axially opposite sides of the bearing unit (10) and placed between the inner ring (20) and the outer ring (30).
F16C 19/08 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec plusieurs rangées de billes
B23D 57/00 - Machines à scier ou dispositifs de sciage non couverts par l'un des groupes
F16C 33/41 - Cages à billes comportant une bague portant des doigts de séparation des éléments de roulement
F16C 33/58 - Chemins de roulementBagues de roulement
F16C 33/78 - Dispositifs d'étanchéité pour roulements à billes ou à rouleaux avec diaphragme, disque ou bague, avec ou sans parties élastiques
F16C 19/28 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à rouleaux essentiellement du même gabarit, disposés dans une ou plusieurs rangées circulaires, p. ex. roulements à aiguilles pour charges radiales principalement avec plusieurs rangées de rouleaux
F16C 33/49 - Cages à rouleaux ou à aiguilles en forme de peigne
A planetary gear unit includes a first ring gear having toothing and a second ring gear having toothing and at least four double planets each having a first gear wheel having toothing and a second gear wheel having toothing, the first gear wheel and the second gear wheel of each double planet being disposed so as to be rotatable about a common shaft. The toothing of each first gear wheel engages in the toothing of the first ring gear, and the toothing of each second gear wheel engages in the toothing of the second ring gear. A number and a size of the double planets is selected such that a predetermined size of an interior space in a center of the planetary gear unit, a predetermined torsional stiffness of the planetary gear unit and/or a predetermined load-bearing capability of the planetary gear unit is provided.
A face-mounted angular contact ball bearing includes an inner ring with an axial end connectable with a first member and an outer surface including axially spaced first and second inner raceways. An outer ring is disposed about the inner ring and has an axial end connectable with a second member and an inner surface including first and second outer raceways disposed axially between and facing the inner raceways. A first set of balls is disposed between the first inner and outer raceways and a second set of balls is disposed between the second inner and outer raceways. The inner and outer rings and the two sets of balls are formed such that the contact angles of each set of balls is greater than thirty-five degrees, preferably between forty and sixty degrees. Also, the number of the balls of each ball set provides a bearing fill percentage greater than seventy-five percent.
F16C 33/58 - Chemins de roulementBagues de roulement
F16C 19/18 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales avec plusieurs rangées de billes
The cage (18) for a rolling bearing is intended to ensure the circumferential spacing of at least one row of balls and comprises a plurality of cells (24) for the balls of said row. The cage comprises an annular heel (20) and separation portions (22) extending from the heel and delimiting between each other said cells. The cage also comprises at least one reinforcing ring (25) that is embedded at least partially inside the heel (20) and that extends, inside said cage, exclusively in the heel.
Support assembly (10) for movable rotating shafts (50), having a bearing unit (30), a housing (20) and a cover (60); the bearing unit (30) is provided with a radially outer ring (31), which is stationary, a radially inner ring (33), which is rotatable, and a row of rolling elements (32) between the radially outer ring (31) and the radially inner ring (34); the support assembly (10) is also provided with a sealing device (70), located on the opposite side to the cover (60) with respect to the bearing unit (30) and stably fixed to the housing (20) where the sealing device (70) is provided with: - a metallic shaped shield (71); - an elastomer lining (72) co-moulded onto the shaped shield (71); - two radially inner sealing lips (73, 74), wherein a first axially outer lip (73) and a second axially inner lip (74) are in sliding contact with a radially outer cylindrical surface (33a) of the radially inner ring (33).
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
The present disclosure provides a wire race bearing comprising: an inner wire having a circular cross-sectional profile, an inner ring housing having an inner ring recess for accommodating the inner wire, an outer wire having a circular cross-sectional profile, an outer ring housing having an outer ring recess for accommodating the outer wire, rolling elements arranged between the raceway of the inner wire and the raceway of the outer wire, wherein one or both of the inner race recess and the outer ring recess have a first wall and a second wall at an acute angle to each other. Twisting of the wire in the recess can be effectively prevented by an angularly optimized design of the recess wall for accommodating the wire.
F16C 19/16 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales avec une seule rangée de billes
F16C 19/54 - Systèmes formés d'une pluralité de paliers à frottement de roulement
F16C 33/61 - Chemins de roulementBagues de roulement en plusieurs pièces faites de fils
F16C 43/04 - Assemblage des éléments de paliers à contact de roulement
Pulley group (100) for multi-wire machines, the group having a central rotation axis (A) and including at least two thin-section bearing units (10), which are arranged axially side-by-side along the axis (A), and each of which includes: - a stationary inner ring (20), - a rotatable flanged outer ring (30) having axial dimensions smaller than an axial dimension of the inner ring (20), and - a hydraulic grease-distribution network (60) provided with at least one axial duct (61) passing through the inner ring (20) parallel to the axis (A), wherein for each pair of axially adjacent bearing units (10), there is a corresponding sealing device (70) axially interposed between the two units of the pair of bearing units (10).
F16C 19/54 - Systèmes formés d'une pluralité de paliers à frottement de roulement
F16C 33/66 - Pièces ou détails particuliers pour la lubrification
F16C 33/76 - Dispositifs d'étanchéité pour roulements à billes ou à rouleaux
F16C 33/78 - Dispositifs d'étanchéité pour roulements à billes ou à rouleaux avec diaphragme, disque ou bague, avec ou sans parties élastiques
F16C 19/06 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges radiales principalement avec une seule rangée de billes
A hybrid cage includes a unitary annular main frame and a plurality of attachment members fixedly attached to the main frame to define cage pockets for receiving rolling elements. The main frame may be formed from a first material and the plurality of attachment members may be formed from a second material different than the first material.
The present disclosure provides a damping pad for a wire race bearing, the wire race bearing comprising a housing and a wire, and the damping pad being arranged between the housing and the wire to partially enclose the wire; wherein the damping pad comprises a reinforcing fiber thread embedded inside the damping pad in the circumferential direction and bonded with the damping pad, the reinforcing fiber thread having a lower elongation rate and a higher tensile strength relative to the damping pad. The present disclosure also provides a method for manufacturing the damping pad as described above, comprising: step 1: performing pre-treatment to the reinforcing fiber thread; step 2: introducing the reinforcing fiber thread into an extrusion head for extruding the damping pad to reach an extrusion position corresponding to an embedding position of the reinforcing fiber thread in the damping pad; step 3: co-extruding the damping pad with the reinforcing fiber thread through the extrusion head. According to the present disclosure, when the reinforcing fiber threads are coupled to the damping pad, various deformations caused by the above factors are hindered under the extrusion curing process and the storage conditions, so that the damping pad is dimensionally stable.
F16C 19/16 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales avec une seule rangée de billes
B29C 48/154 - Revêtement d’articles pleins, c.-à-d. d’articles non creux
F16C 19/54 - Systèmes formés d'une pluralité de paliers à frottement de roulement
F16C 33/61 - Chemins de roulementBagues de roulement en plusieurs pièces faites de fils
F16C 43/04 - Assemblage des éléments de paliers à contact de roulement
98.
WIRE RACE BEARING AND METHOD OF ASSEMBLING THE SAME
The present disclosure provides wire race bearing comprising: a housing; a wire, arranged in a recess of the housing for accommodating the wire; elastic adhesive, applied between the wireand the recess to bond the wire to the recess. The present disclosure also provides a method of assembling a wire race bearing as previously described, comprising: step 1: applying elastic adhesive to the recesses in a circumferential direction; step 2: coating the wire in the recess coated with the elastic adhesive; step 3: curing the elastic adhesive to bond the wire to the recess. In contrast to the prior art using damping pads, the elastic adhesive fixedly bonds the wire to the housing, not only to effectively prevent undesired displacement of the wire, but also to allow movement of the wire within an allowable range, to absorb vibrations of the wire, and to act as a damping pad.
F16C 19/16 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges à la fois radiales et axiales avec une seule rangée de billes
F16C 19/54 - Systèmes formés d'une pluralité de paliers à frottement de roulement
F16C 33/61 - Chemins de roulementBagues de roulement en plusieurs pièces faites de fils
F16C 43/04 - Assemblage des éléments de paliers à contact de roulement
The sensor (4) comprises a magnetic detection cell (9) and control means (6). The control means are configured to configure at least one functionality of the sensor in an active mode when a magnetic field having a predetermined value is applied on the magnetic detection cell during a predetermined duration (Tact, Tdeact, Tres, Tstart, Tstop, Ts1, Ts2), the predetermined duration being associated with the said functionality.
Method for producing a ceramic brake component (2), in particular a friction unit, the method comprising the following steps: Providing (S2) a green body (1), Converting (S3) the green body (1) into a porous carbon body, wherein the green body (1) and/or the carbon body is provided with the desired shape of the braking component, and Infiltrating (S4) the carbon body with at least one liquid and/or gaseous substance, wherein the green body (1) comprises at least one polymer-based binder and at least one carbonizable biologically based filling material.
