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Aktiebolaget Skf patents


Recent patent applications related to Aktiebolaget Skf. Aktiebolaget Skf is listed as an Agent/Assignee. Note: Aktiebolaget Skf may have other listings under different names/spellings. We're not affiliated with Aktiebolaget Skf, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Aktiebolaget Skf-related inventors


 new patent  Guide roller

A guide roller configured to guide a wire to or from a work roller in a wire rolling line includes a rolling-element bearing having a rotatable outer ring, a fixed inner ring, and rolling elements between the outer ring and the inner ring. The outer ring has a profile configured to guide the wire on a radially outer surface thereof. ... Aktiebolaget Skf

 new patent  Actuation system for controlling the movement of a table

An actuation system having a table, a lifting column for raising and lowering the table, first and second actuators pivotally mounted to a top section of the lifting column. The first and second actuators are coupled to a first end of the table. ... Aktiebolaget Skf

Radially displaceable seal assembly for a shaft

A seal assembly is for sealing a space between an inner surface of an outer member and an outer surface of a shaft within the outer member. The seal assembly includes an annular seal body having first and second axial ends, inner and outer circumferential surfaces, and a seal lip extending radially inwardly from the body and having an inner surface sealingly engageable with the shaft surface. ... Aktiebolaget Skf

Actuator manual override device

An override device is for an actuator having a casing, a motor disposed within the casing and having a shaft rotatable about a central axis, and an output member drivably coupled with the motor shaft. The override device comprises a body having an outer portion engageable with the casing to couple the body with the actuator and an inner portion engageable with the motor shaft. ... Aktiebolaget Skf

Method for adjusting the preload in a bearing assembly and bearing assembly

A method for setting a preload in a bearing assembly, the bearing assembly having at least one rolling-element bearing with at least one bearing inner ring and at least one bearing outer ring, the method including changing the preload in the bearing assembly starting from an initial value and measuring the electrical resistance between the bearing inner ring and the bearing outer ring and terminating the changing of the preload in the bearing assembly in response to a target value for the electrical resistance being reached.. . ... Aktiebolaget Skf

Method for producing a cage of a roller bearing

A method for producing a cage having a body with multiple pockets for rolling elements, the method providing: a) defining a cage basis geometry that provides a radial outer and/or inner surface for contacting a bearing ring and multiple surfaces of the pockets for contacting the rolling elements; b) defining a part of the radial outer and/or inner surfaces as being unalterable surfaces; c) calculating the cage stress distribution when applying a defined stress force from a mathematical model; d) defining cage volume sections where the stress is below a defined threshold; e) removing a part of the volume sections defined according to step d) taking into account the unalterable surfaces according to step b) and the surfaces of the pockets that are unalterable surfaces; f) defining the cage geometry with the removed volume sections; g) manufacturing the cage according to the geometry as defined according to step f).. . ... Aktiebolaget Skf

Induction heating device

An induction heating device comprising at least one induction coil mounted to a support frame. The support frame is adapted to travel on a surface of an annular metal article to be heated and comprises a wheel set having one or more driven wheels. ... Aktiebolaget Skf

Compact clutch rolling bearing

The invention relates to a clutch rolling bearing centered on a central axis and comprising a rotatable ring provided with a toroidal portion defining a first concave raceway and an engagement portion dedicated to cooperate with a diaphragm, a stationary ring mounted coaxially with the rotatable ring, provided with a toroidal portion defining a second concave raceway and dedicated to cooperate with a translating piston, and balls arranged between the raceways of the rings. The engagement portion of rotatable ring extends from the toroidal portion on the diaphragm side, the engagement portion being folded against the toroidal portion on a surface radially opposite to the first raceway.. ... Aktiebolaget Skf

Grease compositions and method for making the same

A grease composition comprising a lubricating base oil and a thickener, which thickener comprises an ester-terminated oligomer and a polymer. The polymer is a polyolefin. ... Aktiebolaget Skf

Grease compositions and a method for making the same

A grease composition comprising a thickener and a lubricating base oil, wherein the lubricating base oil has a viscosity in the range of from 5-1000 cst (at 40° c.). The thickener is present in an amount of 5-40 wt. ... Aktiebolaget Skf

Axlebox for a railway vehicle bogie and railway bogie equipped with such an axlebox

An axlebox of railway vehicle bogie comprising a housing, a front cover fixed to a front side of the housing, a rear cover fixed to a rear side of the housing, a cylindrical roller bearing unit, an end cap and a backing ring. A rear chamber and a front chamber on both axial sides of the sealed bearing unit are in fluidic connection through a bypass system.. ... Aktiebolaget Skf

Stand for multiple stud tensioning machine

A stand for hosting a multiple stud tensioning machine (mstm) for tensioning working studs, the stand comprising a first assembly designed to lie on a floor, and a second assembly designed to receive the mstm and movable in translation with respect to the first assembly thanks to a translation system.. . ... Aktiebolaget Skf

Seal assembly with detachable spacer members

A seal assembly includes an annular inner casing disposed on a shaft and including an axial portion and two radial portions. An annular outer casing is disposed about the inner casing and includes an axial portion engageable with the body bore and a radial portion. ... Aktiebolaget Skf

Outwardly sealing pumping seal assembly

A seal assembly is for sealing between a shaft and a body rotatable about an axis extending through the shaft and includes an annular elastomeric sealing member disposeable within the body bore and coupleable with the shaft. The sealing member has a centerline coaxial with the shaft axis and a radially-outwardly extending, generally annular lip sealingly engageable with an inner circumferential surface of the bore or of a member disposed within the bore so as to define a seal interface. ... Aktiebolaget Skf

06/14/18 / #20180163829

Actuator

An actuator includes a housing, a first nut in the housing, a second nut in the housing, and a threaded spindle screwed into the first nut and the second nut. The first nut exerts a first force in a first direction on the threaded spindle, and the second nut exerts a second force in a second direction on the threaded spindle, the first direction being different than the second direction.. ... Aktiebolaget Skf

06/14/18 / #20180163787

Installation unit and method for installing a bearing unit

An installation unit for installing a bearing unit includes a carrier having an interior and the bearing unit mounted in the interior. The bearing unit includes a first rolling-element row and a second rolling-element row, and both the first rolling-element row and the second rolling-element row are at least partially disposed inside the carrier. ... Aktiebolaget Skf

06/14/18 / #20180163783

Bearing cage, rolling element bearing and method

A bearing cage for retaining rolling elements of a rolling element bearing, the bearing cage constructed from a sheet metal element. The cage having at least one cage pocket configured to receive at least one rolling element. ... Aktiebolaget Skf

06/14/18 / #20180163782

Bearing cage, rolling element bearing and method

A bearing cage for retaining rolling elements of a rolling element bearing. The bearing cage is made of a sheet metal element. ... Aktiebolaget Skf

06/14/18 / #20180163781

Component and method for manufacturing a component

A bearing component, such as a bearing roller or a bearing ring, has an exterior surface and includes at least one interior region made of a recycled material which region is spaced from and does not form any part of the exterior surface. The recycled material and the unrecycled material may each include silicon nitride and/or sialon and/or silicon carbide and/or a ceramic material. ... Aktiebolaget Skf

06/14/18 / #20180163758

Connector assembly fitting with co-molded washers

The connector assembly includes a fitting with a first mounting portion having two opposing surfaces and mounting hole(s) extending between the two surfaces for connecting with a first member. A second mounting portion extends angled with respect to the first mounting portion and has two opposing surfaces and mounting hole(s) extending between the two for connecting with a second member. ... Aktiebolaget Skf

06/14/18 / #20180161861

Monitoring and control system for continuous casting machine

A monitoring and control system is for a strand guide roll assembly of a continuous casting machine which includes a plurality of rolls spaced apart generally along a path of travel of a strand from an input end located adjacent to a mold to an output end. The system includes a plurality of sensors each coupled with a separate one of the rolls so as to be spaced apart generally along the travel path, each sensor senses magnitude of a load on the coupled roll. ... Aktiebolaget Skf

06/07/18 / #20180158314

Method of trend analysis and automatic tuning of alarm parameters

A method of trend analysis and automatic tuning of alarm parameters for a machine is provided. The method includes obtaining condition related measurements of the machine, checking a condition indicator (ci) value with respect to a set threshold, calculating the number of times the value is above the threshold during the n last measurements, displaying the number of times the value is above the threshold during the n last measurements in a diagram, triggering the alarm if the value has been above the threshold more times than the alarm level during the n last measurements, comparing historical measurement data when each alarm triggered with defects recorded, correlating a relationship between the alarms triggered and the defects detected, counting the number of true positives, false negatives and false positives from the current measurement data, comparing the number of counted true positives, false negatives and false positives with the acceptable defined limits.. ... Aktiebolaget Skf

06/07/18 / #20180156691

Bearing assembly including oil quality sensor

A wheel bearing assembly for a motor vehicle includes a housing having an interior, at least one bearing in the interior including a first bearing ring and a second bearing ring rotatably disposed relative to the first bearing ring, a plurality of rolling elements disposed between the first bearing ring and the second bearing ring, a lubricant in the housing interior in contact with at least a part of the at least one bearing, an axle connected to the at least one bearing, a sensor in the housing interior in contact with the lubricant, the sensor being configured to sense at least one property of the lubricant and to output a signal indicative of the at least one property of the lubricant, and a display unit outside the housing interior and in communication with the sensor, the display unit being configured to produce an output based on the signal.. . ... Aktiebolaget Skf

06/07/18 / #20180156350

Valve operator assembly with double screw mechanism

A valve operator assembly is provided for a valve and includes a housing, an input member rotatably mounted with respect to the housing, and a transmission mechanism having a rotating screw provided with an outer thread and a translating nut surrounding and coaxial with the screw, the nut being provided with an inner thread, the transmission mechanism being adapted to convert rotation of the screw into axial translation of the nut. The input member is mounted on the rotating screw. ... Aktiebolaget Skf

06/07/18 / #20180156270

Bearing assembly

A bearing assembly is configured to rotatably support a first machine part in a second machine part and includes first and second rolling-element bearings. The rolling-element bearings are installed in the bearing assembly with an axial preload or an axial clearance. ... Aktiebolaget Skf

05/31/18 / #20180149244

Structural unit including at least one housing part and at least one sensor, and method

A structural unit includes at least one housing part configured to be mounted on an exterior surface of a linear actuator and at least one sensor displaceably supported relative to the housing part. The linear actuator may include a case having a longitudinal axis and a longitudinal slot and a ball nut mounted in an interior of the case for translational movement inside the case. ... Aktiebolaget Skf

05/31/18 / #20180149205

Bearing assembly with integrated generator

A spherical roller bearing having an inner ring, an outer ring, first and second roller sets disposed therebetween, and a guide element for guiding the rollers of at least one roller set. The guide element is rotational about a bearing axis of rotation during bearing operation. ... Aktiebolaget Skf

05/31/18 / #20180149203

Sealing device, notably for a rolling bearing

A sealing device is configured to be mounted between two elements rotatable relative to one another, notably rings of a rolling bearing. The sealing device provides a seal and a shield adapted to be coupled to one of the two elements and arranged laterally to the seal to define a gap therebetween. ... Aktiebolaget Skf

05/31/18 / #20180147886

Coupling system for a low-friction sealing assembly, and wheel hub unit equipped with said sealing assembly

A coupling system for a sealing assembly with a rotating annular member. In particular, a bearing ring provided with a flange. ... Aktiebolaget Skf

05/24/18 / #20180142731

Component of a universal joint bearing

A component of a universal joint bearing includes at least one casing having a cylindrical wall and a base and at least one formation projecting from the base. The at least one formation is receivable in a clamp of a rotational processing machine to secure the component to the rotational processing machine during a rotational machining of a wall of the component. ... Aktiebolaget Skf

05/24/18 / #20180142730

Rolling bearing

A roller bearing for at least one set of roller bodies, which are disposed in an annular manner, the roller bearing having at least one track element with a track, on which the roller bodies are provided for rolling. The track comprises a track base having a circular circumferential the track element comprises, on each axial side of the track base, a shoulder or a rim for the roller bodies, each shoulder or rim having a circular circumferential line. ... Aktiebolaget Skf

05/17/18 / #20180135773

Valve operator assembly with clutch mechanism and valve equipped with such assembly

A valve operator assembly having a tubular housing extending along a central axis, an input member rotatably mounted with the housing, a transmission mechanism arranged in an inner bore of the housing and extending along the central axis, the transmission mechanism providing a rotating element connected to the input member and a translating element, the transmission mechanism adapted to convert applied rotation of the input member to the rotating element into axial translation of the translating element. At least one rolling bearing is radially arranged between an inner bore and rotating element to support in rotation and guide the rotating element within the housing. ... Aktiebolaget Skf

05/17/18 / #20180135701

Bearing carrier, bearing housing, or part of a bearing housing, and method for their manufacture

A bearing carrier or bearing housing or part of a bearing housing includes at least one organic sheet and/or at least one pre-preg. Also an assembly of the bearing carrier or bearing housing or part of the bearing housing and a bearing having an outer ring mounted in the bearing carrier or bearing housing or the part of a bearing housing.. ... Aktiebolaget Skf

05/17/18 / #20180135696

Angular contact ball bearing cage

An angular contact ball bearing cage includes a plurality of pockets. At least one (imaginary) sectional plane extends through a first pocket, and the sectional plane is located such that an axis of rotation of the angular contact ball bearing cage lies in the sectional plane. ... Aktiebolaget Skf

05/17/18 / #20180135694

Rolling-element bearing transmission

A rolling-element bearing transmission includes a first rolled-on element, at least one second rolled-on element and a third rolled-on element. Each of the rolled-on elements has a raceway configured to support a plurality of rolling elements. ... Aktiebolaget Skf

05/10/18 / #20180128524

Cooling system

A cooling system includes a refrigerant compressor and a first operating medium, which includes a mixture of refrigerant and lubrication oil. An oil separator reduces the percentage of the refrigerant in the operating medium so that a second lubrication oil enriched operating medium is provided by the oil separator, the provided second operating medium having at least in a second operating state a viscosity ratio of k>1.. ... Aktiebolaget Skf

05/10/18 / #20180128523

Cooling system

A cooling system includes a refrigerant compressor and a first operating medium, which provides a mixture of refrigerant and lubrication oil. An oil separator reduces the percentage of the refrigerant in the operating medium to a value between 25% by weight and 80% by weight.. ... Aktiebolaget Skf

05/10/18 / #20180128522

Cooling system

A cooling system includes a refrigerant compressor and a first operating medium, which provides a mixture of refrigerant and lubrication oil. An oil separator reduces the percentage of the refrigerant in the operating medium to a value between 15% by weight and 60% by weight.. ... Aktiebolaget Skf

05/10/18 / #20180128521

Cooling system

A cooling system includes a refrigerant compressor and a first operating medium, which provides a mixture of refrigerant and lubrication oil. An oil separator reduces the percentage of the refrigerant in the operating medium to a value between 15% by weight and 50% by weight.. ... Aktiebolaget Skf

05/10/18 / #20180128320

Bearing unit including an impulse ring and apparatus comprising at least one such bearing unit

A bearing unit having a bearing centered on a central axis and including a rotating inner ring, a non-rotating outer ring, and at least one row of rolling elements arranged between the rings. The bearing unit further includes an impulse ring including a target holder that radially extends from the rotating inner ring and radially beyond the outer ring, a target that is fixed to an outer periphery of the target holder beyond the outer ring and that is adapted to cooperate with a detection device for tracking the rotation of the impulse ring around the central axis, and a fixing sleeve.. ... Aktiebolaget Skf

05/10/18 / #20180128317

Coating method for bearing ring

A method of producing a bearing ring of a rolling element bearing. External surfaces of the bearing ring are provided with an electrically insulating coating. ... Aktiebolaget Skf

05/10/18 / #20180128311

Cabled bearing

A rolling element bearing having first and second bearing rings and at least one row of rolling elements disposed between raceway surfaces of the bearing rings. The bearing further includes at least one sensor provided on a sensing surface of the first bearing ring, and a signal-carrying cable in connection with the sensor. ... Aktiebolaget Skf

05/10/18 / #20180128301

Bolt arrangement, coupling arrangement and method to mount a coupling arrangement

A bolt arrangement for connecting at least two mechanical elements. The arrangement providing a bolt including an outer circumferential peripheral surface extending in a longitudinal direction of the bolt, a sleeve presenting an outer circumferential peripheral surface and an inner circumferential peripheral surface extending in a longitudinal direction of the sleeve between a first and a second axial end of the sleeve. ... Aktiebolaget Skf

05/10/18 / #20180128300

Bolt arrangement, coupling arrangement and method to dismount a coupling arrangement

A bolt arrangement that includes a bolt having an outer circumferential peripheral surface extending in a longitudinal direction of the bolt, and a sleeve providing an outer circumferential peripheral surface and an inner circumferential peripheral surface extending in a longitudinal direction of the sleeve. The inner peripheral surface has a tapering profile in its longitudinal direction. ... Aktiebolaget Skf

05/10/18 / #20180128248

Wind turbine rotor shaft arrangement

A wind turbine rotor shaft arrangement, e.g. Of horizontal type, comprising a rotor shaft for supporting wind turbine blades, a non-rotating first housing structure for supporting the rotor shaft, and a first rolling bearing arranged to support, in a first axial direction, the rotor shaft in relation to the first housing structure at a first support point. ... Aktiebolaget Skf

05/10/18 / #20180126781

Hub-bearing assembly for a vehicle wheel

A hub-bearing assembly having an axis of rotation and provided with a bearing outer ring and a bearing inner ring that define between them an interspace. The outer ring having a shaped groove and the inner ring being provided with a flange that is transverse to the axis of rotation; a sealing device, which is interposed between the outer ring and the inner ring to prevent the entry of impurities into the hub-bearing assembly through the interspace, being provided with a protective cover mounted on the flange to rotate with the inner ring, and extends around the outer ring to close off the interspace from the exterior of the interspace, and has a free terminal edge arranged to snap into the shaped groove to define an annular outlet that is placed inside the shaped groove.. ... Aktiebolaget Skf

05/10/18 / #20180126780

Hub-bearing assembly for a vehicle wheel

A hub-bearing assembly having an axis of rotation and provided with an outer ring and an inner ring that define between them an interspace. The inner ring is provided with a flange that is transverse to the axis, and a sealing device being interposed between the outer ring and the inner ring and being provided with a moving sealing lip that is integral with the flange with the interposition of a second sealing shield, and which is directed towards a front annular surface of the outer ring.. ... Aktiebolaget Skf

05/03/18 / #20180119732

Cam follower roller device

A cam follower roller device having a tappet extending along a longitudinal axis and including a cylindrical tappet body defining a bore. The device further having a rolling assembly arranged within the bore, and including a support body with a base and flanges, a pin and a roller. ... Aktiebolaget Skf

05/03/18 / #20180118545

Lifting column

A lifting column includes a first column element and at least one second column element, the at least one second column element being movable relative to the first column element, and at least one damping unit. The damping unit is deformable by a force that acts on an upper side of the lifting column in at least one operating configuration of the lifting column such that the force is at least partly transmitted through the damping unit to a drive of the lifting column.. ... Aktiebolaget Skf

04/19/18 / #20180106379

Seal assembly

A seal assembly for sealing a shaft configured to rotate in a main direction, the seal assembly including a stiffener and at least one elastomer seal member connected to the stiffener, the elastomer seal member including a seal region having a seal section configured to seal against a shaft and seal a to-be-sealed space, the seal section including a first screw thread web structure configured to pump a leakage fluid toward the to-be-sealed space when the shaft rotates in the main direction, a second annular, circumferentially extending web structure configured to sealingly abut on the shaft at least when the shaft is not rotating, and a third annular, circumferentially extending web structure configured to sealingly abut on the shaft at least when the shaft is not rotating, wherein the second web structure is axially spaced from the third web structure.. . ... Aktiebolaget Skf

04/19/18 / #20180106293

Temperature compensation ring as well as bearing ring with the temperature compensation ring

A temperature compensation ring configured to compensate for a temperature-dependent distance change between two components includes a base body made from an elastic material, and at least a section of at least one surface of the base body is configured to reduce a friction in the axial direction between the temperature compensation ring and an abutment surface, by, for example, being coated with a friction reducing coating and/or by including one or more grooves for receiving a lubricant.. . ... Aktiebolaget Skf

04/12/18 / #20180100546

Bearing assembly

. . A bearing assembly includes a housing having a flange at a first axial side and a bearing attachment section at a second axial side and a rolling-element bearing having inner and outer rings and a plurality of rolling elements. The rings are sealed on first and second axial sides by first and second seal disks, and the outer ring is pivotably mounted in the attachment section of the housing and the inner ring is configured to be mounted on a shaft. ... Aktiebolaget Skf

04/12/18 / #20180100542

Spacer device, toroidal roller bearing & method

A spacer device for roller elements of a toroidal roller bearing includes an inner ring and an outer ring. The toroidal roller bearing allows for axial and angular displacement between the inner and outer rings. ... Aktiebolaget Skf

04/12/18 / #20180099351

Bearing component

A bearing component including a first metallic material and a second metallic material. The first metallic material provides a first carbon content and the second metallic material presents a second carbon content. ... Aktiebolaget Skf

04/12/18 / #20180099336

Device for holding a workpiece

A device for holding a workpiece that includes a first clamping element and at least one second clamping element, wherein the first clamping element and the second clamping element each include on an end side extending in a radial plane a first engagement structure and at least one second engagement structure at different radial positions configured to engage at a first time an end side of a first workpiece having a first diameter and at a second time an end surface of a second workpiece of a second diameter different than the first diameter for holding the workpiece by moving the first clamping element and the second clamping element in the radial direction.. . ... Aktiebolaget Skf

04/05/18 / #20180094674

Process for manufacturing a hollow roller and roller bearing including such a roller

A process for manufacturing a hollow roller of a roller bearing including steps of: machining an outer radial cylindrical surface, with a circular cross section centered on a first axis, and machining an inner radial cylindrical surface with a circular cross section centered on a second axis. These two steps are realized on the same lathe. ... Aktiebolaget Skf

04/05/18 / #20180093333

Device configured to selectively apply tools against a workpiece on a lathe

A device for selectively moving a first or second tool relative to a workpiece on a lathe, the device including a first and a second tool providing system, each of the tool providing systems including a guide rail having a length direction, a slide slidably mounted on the guide rail, the slide being shiftable from a waiting position to a work position, a tool retainer on the slide, a block fixed relative to the guide rail, a first lever pivotably mounted to the block, a second lever having a first end pivotably mounted to the block and a second end pivotably mounted to the slide, and a linear actuator having a rod pivotably connected to the first lever, the rod extending in a direction not parallel to the length direction of the guide rail and being shiftable from a first position to a second position.. . ... Aktiebolaget Skf

03/29/18 / #20180087579

Force transmission assembly having ceramic parts

A force-transmitting assembly includes a metal shaft having at least two longitudinally-extending grooves defined in an outer surface, and a metal hub having at least two longitudinally-extending grooves defined in an inner surface that surrounds the outer surface of the shaft. A plurality of discrete parts is disposed in the at least two longitudinally-extending grooves of the shaft and the hub in an interference-fit manner so as to transmit a torque from the shaft to the hub. ... Aktiebolaget Skf

03/22/18 / #20180080501

A support assembly for movable shaft in particular for machinery for the food industry

A supporting assembly including a bearing, a bearing housing having an annular element housing and a base for fixing, and a cover for close fluid tight an opening of the housing element; the cover being cup-shaped and including an annular coupling portion to a radially outer lateral surface for housing the annular element. The coupling portion provided radially on the inside with at least a pair of teeth projecting radially towards the inside of the lid; the lateral surface of the annular element housing provided with an annular seat for the teeth of the lid, including: an annular groove disposed axially spaced with respect to a front edge of the housing element; axial grooves equal to the number of teeth present and that radially interrupt the front edge; and a bottom wall provided with a plurality of alternating troughs and projections arranged offset circumferentially with respect to the axial grooves.. ... Aktiebolaget Skf

03/15/18 / #20180073556

Universal joint including a seal, seal, and method for installing a seal

A universal joint includes a bush, a bearing journal supported in the bush by a bearing and a seal assembly configured to form a seal between the bearing journal and the bush. The seal assembly includes an outer body formed from a first material having a first hardness, and a reinforcing body at least partially embedded in the outer body is formed from a second material having a hardness greater than the hardness of the first material. ... Aktiebolaget Skf

03/08/18 / #20180066710

Cover for a bearing housing and a support assembly for rotating shaft associated

A support assembly for movable shafts including a bearing for receiving the movable shaft, a bearing housing having an annular housing, in an internal seat that is mounted to the bearing, and a lid to close fluid tight an opening of the seat for the bearing, the cover is made in one piece in a polymeric material and has a portion that is coupled on a radially outer lateral surface for housing the annular element and that is provided with an annular sealing lip which extends frontally projecting from a front edge of the coupling portion, which is made of the same polymeric material of the cover and which is elastically deformable in the radial direction from the inside towards the outside. The annular sealing lip being coupled with interference with a portion of the radially outer conical lateral surface housing the annular element.. ... Aktiebolaget Skf

03/08/18 / #20180066708

Unit including a one-piece retaining element, and a bearing unit, retaining element, and method

A retaining element configured to retain an outer ring of a bearing in a housing, the retaining element having a body having a first side and a second side and a substantially circular through-hole extending from the first side to the second side and an axial thickness from the first side to the second side. A boundary of the through-hole includes two or fewer recesses. ... Aktiebolaget Skf

03/08/18 / #20180066707

Bearing assembly

A bearing assembly includes at least one rolling-element bearing that includes a bearing outer ring and a bearing inner ring and rolling elements disposed therebetween. The at least one rolling-element bearing is mounted in a component with the bearing outer ring in contact with the component, and the outer bearing ring includes a first edge surface extending between a rolling-element raceway and a radial end surface of bearing ring, and/or a second edge surface extending between an axial outer fitting surface and the radial end surface of the bearing ring. ... Aktiebolaget Skf

02/15/18 / #20180045248

A bearing housing in particular designed for the food industry

. . Bearing housing including a housing element designed to be adapted to receive internally a bearing, and a fastening base or flange to a frame of machinery provided with through holes for screws or bolts and having a shoulder face intended to go into use in contact against the frame of the machine equipment, the face of the shoulder being traversed by through holes. The housing element is made of a synthetic molded plastic material and the base or flange has its shoulder face covered by a layer of elastomeric material which has been molded integrally fixed in one piece with the base or flange.. ... Aktiebolaget Skf

02/08/18 / #20180038417

Bearing assembly with contamination sensor

An assembly providing a bearing, a lubricant and a contamination sensor for determining a level of contamination in the lubricant. The sensor includes an em wave generator for generating an em signal, and an em sensing element arranged in contact with the lubricant. ... Aktiebolaget Skf

02/01/18 / #20180031128

Sealing lip for a low friction bonded piston seal

An annular seal for a low friction bonded piston seal is provided. The annular seal having a central axis and including an annular seal body symmetrically positioned about the central axis. ... Aktiebolaget Skf

02/01/18 / #20180030949

Bearing module for adjusting a rotor blade angle of attack in an underwater power plant

A bearing module for adjusting a rotor blade angle of attack in an underwater power plant includes a rotor-blade shaft, at least two bearings for supporting the rotor-blade shaft, the at least two bearings being axially spaced from each other on the rotor-blade shaft, a first attachment structure for producing a mechanical connection to a rotor-blade hub, a second attachment structure for producing a mechanical connection to the rotor blade, and a third attachment structure for producing a mechanical connection to a blade adjustment mechanism, wherein the bearing module is an installation unit such that it can be assembled at one location and transported to a second location where rotor blades may be attached.. . ... Aktiebolaget Skf

01/25/18 / #20180024157

Impulse ring and a sensor-bearing unit comprising such impulse ring

An impulse ring centered on a central axis, for a sensor-bearing unit including a bearing is provided. The impulse ring includes a magnetized target that generates a magnetic fields adapted to be sensed by a sensor, and an annular target holder. ... Aktiebolaget Skf

01/25/18 / #20180023708

Seal assembly and method for manufacturing the seal assembly

A seal assembly includes a base body having a seal element and a retainer radially spaced from the seal element. The retainer includes a support surface facing the seal element, and a support ring abuts on the support surface of the retainer. ... Aktiebolaget Skf

01/25/18 / #20180023622

Rolling-element bearing including mounting flange

A rolling-element bearing includes a first ring having two raceways and at least one second ring having two raceways and rolling elements between the rings, and a ring raceway width is defined as an axial distance between the axially outer ends of the first ring raceways. A radially extending integral mounting flange extends from the first ring at a location between first and second sides of the first ring, and the flange has an axial abutment surface. ... Aktiebolaget Skf

01/18/18 / #20180019641

Power generator assembly for rotating applications

A power generator assembly including a rotating part and a non-rotating part is provided. It is proposed that the rotating part includes first and second, circumferentially adjacent generator units. ... Aktiebolaget Skf

01/18/18 / #20180017109

Device for retaining of lubricants in rolling-element bearings, rolling-element bearing subassemblies, and method for assembling a rolling-element bearing subassembly

A rolling-element bearing subassembly includes a first bearing ring having an axial face lying in a plane and a plurality of rolling elements on a running surface of the first bearing ring. The first bearing ring is connectable to a second bearing ring to form a rolling-element bearing. ... Aktiebolaget Skf

01/18/18 / #20180017104

Bearing ring

A rolling-element bearing assembly includes a support element and a bearing ring mounted on the support element. The bearing ring includes a substantially axial mounting surface in contact with the support element and a running surface configured to support a rolling element. ... Aktiebolaget Skf

01/18/18 / #20180017103

Bearing

A spherical roller bearing having a specific pitch circle diameter (pcd) that includes an outer ring, an inner ring, a plurality of roller elements arranged in first and second roller rows, each roller element providing an axially inner end, and a cage for guiding the roller elements in the first and second roller row, the cage having a plurality of cage pockets. One of the roller elements disposed within each cage pocket. ... Aktiebolaget Skf

01/18/18 / #20180015792

Device and method for detecting a pressure change in a tire using a plurality of temperature signals

A device for detecting a pressure change in a tire includes a first temperature sensor located outside the tire being configured to produce a first temperature signal indicative of a first temperature, an input apparatus configured to receive the first temperature signal from the first temperatures sensor, and to receive a second temperature signal from a second temperature sensor being indicative of a second temperature, and to receive a tire pressure signal from a tire pressure sensor being indicative of a tire pressure of the tire, and a processor configured to output an evaluation signal including information about a change of tire pressure based on the pressure signal and based on the first temperature signal and the second temperature signal. The processor is configured to evaluate the pressure signal only if a temperature difference between the first temperature and the second temperature is smaller than a predefined limit value.. ... Aktiebolaget Skf

01/18/18 / #20180015781

Wheel hub unit with a central nut

A wheel hub unit having a central hub and a single central nut that includes respective shaped profiles radially oriented facing towards an axis (a) is provided. The wheel hub unit further includes an anti-unscrewing element interposed between the central hub and the single central nut to prevent accidental unscrewing of the single central nut. ... Aktiebolaget Skf

01/04/18 / #20180006527

Power generator assembly for rotating applications

A rotating part that includes at least one generator unit having at least one coil, at least one permanent magnet and two pole shoes having pole surfaces facing radially outward is provided, the non-rotating part has an arc-shaped saddle adaptor of ferromagnetic material arranged with a radial distance to the pole surfaces. The saddle adaptor is configured to close a magnetic circuit passing via the pole shoes through the coil in a rotational position where the saddle adaptor overlaps with the pole shoes of the generator unit.. ... Aktiebolaget Skf

01/04/18 / #20180003492

Sensorized roller

The present invention resides in a sensorized roller of a roller bearing. The sensorized roller includes a roller bore that accommodates a measuring device for measuring deformation of the roller bore and electronics for processing a deformation signal from the measuring device and wirelessly transmitting the processed deformation signal to an external receiver. ... Aktiebolaget Skf

01/04/18 / #20180003236

Rolling-element bearing unit for wheel bearing assembly

A rolling-element bearing unit for a wheel bearing assembly of a vehicle includes a rolling-element bearing with an outer ring, a an inner ring, a bearing interior between the outer ring and the inner ring and a plurality of rolling elements in the bearing interior. The inner ring has an inner ring surface facing the bearing interior and a first and a second axial end surface. ... Aktiebolaget Skf

01/04/18 / #20180003232

Bicycle rolling-element bearing assembly

A bicycle rolling-element bearing assembly includes an outer bearing ring, an inner bearing ring, a plurality of rolling elements disposed between the outer bearing ring and the inner bearing ring and rotatably supporting the outer bearing ring relative to the inner bearing ring, and a lubricant reservoir, configured as a first cage, for storing and dispensing a lubricant, the first cage including bridge elements extending between the rolling elements and at least one side ring connecting the bridge elements.. . ... Aktiebolaget Skf

01/04/18 / #20180003231

Cage for crankshaft bearing assembly

A rolling-element bearing assembly includes an inner race and an outer race and a plurality of rolling elements between inner and outer races, the rolling elements being mounted in pockets between axial bridges of a cage having first and second axial side rings. One or both of the side rings has at least one corrugated surface, and the corrugations project axially and/or radially.. ... Aktiebolaget Skf

01/04/18 / #20180003230

Split bearing cage

A split bearing cage for a rolling-element bearing assembly includes a first bearing cage segment and a second bearing cage segment each having two side ring sections axially spaced apart by a plurality of bridges. Adjacent pairs of the bridges define rolling-element receiving pockets for receiving rolling elements of the rolling-element bearing assembly and for holding the rolling elements spaced apart from each other and for guiding the rolling elements. ... Aktiebolaget Skf

01/04/18 / #20180003227

Roller with integrated load cell

The present invention defines a roller of a roller bearing providing a hollow bore in which a load cell is arranged, for measuring a radial load acting on the roller. The load cell is mounted to the roller bore in a non-fixed manner and includes one or more cantilever beams that extend in an axial direction of the roller. ... Aktiebolaget Skf

01/04/18 / #20180003222

Rolling-element bearing cage or rolling-element bearing cage segment

A rolling-element bearing cage or segment configured to guide at least one rolling element includes a first circumferential ring connected to a second circumferential ring by a plurality of axially extending bridges. A first one of the bridges includes a first axial portion that has a cross-section perpendicular to the axial direction and a cross sectional area and a peripheral length. ... Aktiebolaget Skf

01/04/18 / #20180001393

System for machining of a component, and component and clamping element for the system

A system includes a component to be machined, the component having a plastic base body having an outer diameter and a longitudinal axis and at least one clamping auxiliary structure, and a clamping element configured to clamp the component using the clamping auxiliary structure. The clamping element includes at least one clamping jaw having at least one counter-clamping auxiliary structure that is configured to engage the clamping auxiliary structure and to fix the component in an interference-fit manner in the axial direction with respect to the clamping element. ... Aktiebolaget Skf

12/28/17 / #20170370418

Bearing unit and separator

A bearing unit configured to support a first component for rotary movement with respect to a second component includes a first bearing having an inner ring and an outer ring and a second bearing having an inner ring and an outer ring and a separator axially disposed between and connecting the outer ring of the first bearing and the outer ring of the second bearing in an interference fit manner or in a friction fit manner to form a preassembled unit. The separator may be annular and have a plastic base body with axial openings in which metal spacers, cylindrical rods, for example, are mounted.. ... Aktiebolaget Skf

12/28/17 / #20170370416

Roller bearing module, a method for manufacturing a roller bearing module, and a method for forming a vehicle hub assembly

A roller bearing module for a vehicle hub module having an outboard roller bearing and an inboard roller bearing. The roller bearing module provides a spacer coupling the outboard roller bearing to the inboard roller bearing. ... Aktiebolaget Skf

12/28/17 / #20170370415

Rolling-element bearing unit

A rolling-element bearing unit for a wheel bearing assembly of a vehicle includes a first rolling-element bearing having an outer bearing ring and an inner bearing ring and rolling elements disposed between the outer bearing ring and the inner bearing ring and a first seal element having a seal-element base body having a first support member mounted to an axial outer surface of the inner bearing ring and a first seal lip pressed against a radial end surface of the outer bearing ring to hold the outer bearing ring in position relative to the inner bearing ring. Also a wheel bearing assembly including two such rolling element bearing units.. ... Aktiebolaget Skf

12/28/17 / #20170370407

Bearing assembly

A multi-row bearing assembly includes first and second rolling-element bearings having first and second bearing rings and first and second rows of rolling elements therebetween, respectively, each ring having exactly one guide flange. An intermediate space exists between the first and second rows of rolling elements, and a first side of each row of rolling elements faces the intermediate space and a second side of each row of the rolling elements is remote from the intermediate space. ... Aktiebolaget Skf

12/28/17 / #20170368870

Motor vehicle wheel bearing assembly

A motor vehicle wheel bearing assembly includes a hub configured to be supported by at least one rolling-element bearing and to provide a seat for a wheel. The hub includes a first hollow-cone-shaped element manufactured from light metal and having a first axial end section having a first diameter and a second axial end section having a second, larger, diameter and at least one bearing raceway or raceway support at the first axial end section. ... Aktiebolaget Skf

12/21/17 / #20170362531

Grease compositions

The invention relates to a grease composition including a base oil and a thickener that provides hydrophilic metal oxide particles and one or more amides which contain one or more unsaturated c—c bonds and/or at least one oh group. The hydrophilic metal oxide particles have a bet specific surface area of at least 10 m2/g and at least 80% of the hydrophilic metal oxide particles have a particle size in the range of from 5 nm to 900 μm. ... Aktiebolaget Skf

12/21/17 / #20170362527

Grease compositions

The invention relates to a grease composition having a base oil and a thickener that includes hydrophilic metal oxide particles and one or more amines that contain one or more unsaturated c—c bonds and/or at least one oh group. The hydrophilic metal oxide particles have a bet specific surface area of at least 10 m2/g and at least 80% of the hydrophilic metal oxide particles have a particle size in the range of from 5 nm to 900 μm. ... Aktiebolaget Skf

12/07/17 / #20170350453

Slewing roller bearing with sensing probe

The invention relates to a slewing bearing that includes an inner ring, an outer ring, at least one row of rolling elements arranged between the rings in order to form an axial thrust that transmits axial forces, and at least one row of rolling elements arranged between the rings in order to form a radial thrust which can transmit radial forces. The slewing bearing further includes a sensing probe for detecting a relative displacement between the inner ring and outer ring and/or cracks, the inner ring having a through hole in which the sensing probe arranged. ... Aktiebolaget Skf

11/30/17 / #20170343129

Operator assembly and valve equipped with such assembly

The invention concerns an operator assembly having a tubular housing extending along a central axis (x1) and a transmission mechanism arranged in an inner bore of the housing and extending along the central axis (x1). The transmission mechanism providing a screw with a threaded outer surface and a nut with a threaded inner surface. ... Aktiebolaget Skf

11/23/17 / #20170336278

Load determining system for a rolling element bearing

. . A load determining system having a sensorized rolling element bearing in a hub unit for wheels. The bearing includes a first ring and a second ring as an inner and outer ring. ... Aktiebolaget Skf

11/23/17 / #20170335440

Fatigue-resistant bearing steel

A steel alloy for a bearing, the alloy having a composition that provides: from 0.8 to 1.0 wt. % carbon, from 0.1 to 0.5 wt. ... Aktiebolaget Skf

11/16/17 / #20170328412

Bearing ring

A bearing ring for a rolling-element bearing including an axially extending outer surface, two radially extending side surfaces, an inner surface configured to at least partially contact a rolling element and at least one radially extending recess in the inner surface that is configured to work together with a lifting tool to allow the bearing ring to be lifted by the lifting tool. Also a method of lifting a bearing ring having such a recess.. ... Aktiebolaget Skf

11/16/17 / #20170328408

Bearing component & method

Bearing component providing unaffected material that has a surface, which has been subjected to a hard machining process during where the temperature of the surface did not exceed the austenitizing temperature of the unaffected material. The surface of the bearing component includes a white layer formed during the hard machining process. ... Aktiebolaget Skf

11/09/17 / #20170322095

Load measurement device and method for determining load

The invention relates to a load measuring device including a deformable component configured to be deformed under a load to be measured and a sensor assembly attached to a first portion of the deformable component and to a method for determining load using such a sensor assembly. It is proposed that the sensor assembly includes at least one acceleration sensor configured to detect a change in an orientation of the first portion with regard to the direction of gravity and that the deformable component is formed as a seal configured to be in sliding contact with a component configured to rotate in relation to the seal.. ... Aktiebolaget Skf

11/09/17 / #20170321746

Bearing ring

A bearing ring having an elongated sensor element that runs along at least a part of a surface of the bearing ring. The connection between the sensor element and the bearing ring is established by a metallic metal material connected by material bonding with the bearing ring as well as with the sensor element. ... Aktiebolaget Skf

11/09/17 / #20170321144

Grease compositions

The invention relates to a grease composition having a base oil and a thickener that includes hydrophilic metal oxide particles and one or more esters which contain one or more unsaturated c—c bonds and/or at least one oh group. The hydrophilic metal oxide particles have a bet specific surface area of at least 10 m2/g and at least 80% of the hydrophilic metal oxide particles have a particle size in the range of from 5 nm to 900 μm. ... Aktiebolaget Skf

10/26/17 / #20170310222

Relay drive with voltage isolation

Disclosed herein is a flyback system. The flyback system includes a tank circuit comprising a primary side and a secondary side. ... Aktiebolaget Skf

10/26/17 / #20170307677

Fixed impedance cabling for high voltage surge pulse

Described herein is a system. The system comprises an output cabling comprising an output wire and a return wire. ... Aktiebolaget Skf

10/26/17 / #20170307016

Bearing cage segment, antifriction bearing, and assembly method

A bearing cage segment for a rolling-element bearing includes at least one sliding surface on which a surface of at least one rolling element of the rolling-element bearing is rotatable, a first support element, such as an axial projection on an axial side of the cage segment having a radially open radially facing channel, at a first radial position for supporting a first band section of a band clamp during an assembling of the rolling-element bearing, and at least one second support element at a second radial position different from the first radial position for supporting a second band section of the band clamp.. . ... Aktiebolaget Skf

10/26/17 / #20170307008

Bearing support composed of fiber-plastic composite

A bearing support includes at least one sliding bearing defined by the bearing support and/or at least one rolling-element bearing having an outer raceway defined by the bearing support. The bearing support is formed from a fiber-plastic composite and includes an integrally formed sliding surface of the sliding bearing and/or an integrally formed raceway for rolling elements of the rolling-element bearing, and the fiber-plastic composite includes a matrix into which spatially oriented sliding fibers, for example, ptfe fibers, are embedded in a region of the sliding surface of the sliding bearing and/or a region of the raceway of the rolling-element bearing.. ... Aktiebolaget Skf

10/26/17 / #20170306464

Bearing component formed from a steel alloy

A bearing component formed from a steel alloy having from 0.7 to 0.9 wt. % carbon, from 0.05 to 0.16 wt. ... Aktiebolaget Skf

10/12/17 / #20170292608

Dynamic seal

A dynamic seal having a contact surface providing poly(norbornene) or a derivative thereof.. . ... Aktiebolaget Skf

10/05/17 / #20170284546

Dynamic seal

. . A dynamic seal having a contact surface including a fabric is provided. A fatty acid ester is incorporated into the fabric.. ... Aktiebolaget Skf

10/05/17 / #20170284470

Low-friction sealing device and rolling bearing equipped therewith

A sealing device for insertion between a first and a second bearing part. The device including a rotating first shield, a stationary second shield, and an elastomeric sealing element having a first and a second sealing lip. ... Aktiebolaget Skf

10/05/17 / #20170284460

Hub-bearing unit configured for mounting on the knuckle of a suspension

A hub-bearing unit is provided with a hub, rotatable, with an axially outer flange portion configured for engagement with a rotatable element of a motor vehicle, a bearing unit provided with a fixed radially outer ring, configured for engagement with a fixed element of the motor vehicle, a first, axially outer, crown of rolling bodies, and a second, axially inner, crown of rolling bodies, interposed between the radially outer ring and the hub. The radially outer ring is held in position with respect to the knuckle by a stop ring, positioned on the axially inner side of the radially outer ring in a seat formed on the radially outer ring.. ... Aktiebolaget Skf

10/05/17 / #20170282940

Sensorized axle box-bearing unit for supporting a railway axle

An axle box-bearing unit for an axle including a housing element and a sensor unit having a sensor module, a connection piece for connecting to a processing unit and a flexible electrical cable joining the sensor module and the connection piece into a single part. The housing element is delimited by an annular lateral wall provided with a transversal through hole engaged by a plug fitted in a fluid-tight manner to the flexible electrical cable between the sensor module and the connection piece. ... Aktiebolaget Skf

10/05/17 / #20170282312

Rod tensioning device and assembly process of such a device on a rod

The invention concerns a rod tensioning device having a first actuator, at least a second actuator and a tubular support sleeve dedicated to radially surround a threaded rod. Each of the actuators provides a cylinder, and a piston sliding in the cylinder and forming with the cylinder an annular chamber dedicated to be supplied with pressurized fluid. ... Aktiebolaget Skf

09/28/17 / #20170276695

Sensor-bearing unit, mechanical system comprising such unit and method for manufacturing such unit

A sensor-bearing unit providing: a bearing centered on a rotation axis; a sensor device including a differential detection cell that has a structural pitch and defines a pitch plane extending along the structural pitch and along a reading direction; and an impulse ring having a magnetic pattern that includes positive poles and negative poles separated by pattern borders and which defines a tangent plane perpendicular to the pitch plane. The sensor device and the impulse ring are configured for tracking a rotation of the bearing around the rotation axis, the differential detection cell of the sensor device reading the magnetic pattern of the impulse ring along the reading direction. ... Aktiebolaget Skf

09/28/17 / #20170276256

Valve actuating device with anti-rotation and axial guidance means

A valve actuated device for a valve having a valve body and a valve translating member; a housing; a rotary and non-translating sleeve mounted in the housing and connected to an input rotary means; an axial shaft means positioned coaxially to the sleeve and adapted to be connected to the valve translating member; screw connecting means provided between the axial shaft means and the sleeve for convert applied rotation of the sleeve into axial translation of the axial shaft means; anti-rotation and axial guidance means installed between the housing and the shaft means; the anti-rotation and axial guidance means providing a linear ball bearing including a sleeve mounted to the housing and at least one rolling element recirculation system, the rolling elements thereof engaging axial groove of the shaft means.. . ... Aktiebolaget Skf

09/28/17 / #20170275550

Lubricant for roller bearings, roller bearing and method for production and repair of roller bearings

A lubricant for a rolling-element bearing includes a conventional lubricant as a base lubricant and at least one first additive, wherein the first additive includes muscovite, and the lubricant includes a proportion of muscovite that is between 3% and 5%. Also a method of lubricating a rolling-element bearing using the lubricant and a method of repairing a rolling-element bearing using the lubricant.. ... Aktiebolaget Skf

09/21/17 / #20170268675

Dynamic radial seal

A seal arrangement for sealing a radial gap between an inner component and an outer component coaxially mounted around the inner component is provided. The inner component rotates about a rotation axis. ... Aktiebolaget Skf

09/21/17 / #20170268674

Method of manufacturing an annular seal

A method of manufacturing an annular seal includes: providing an intermediate having an annular layer of an elastomeric first material bonded to an annular layer of a second material, the second material different from the first material; and machining the intermediate to form the annular seal having the first and second materials. The intermediate machined to provide a u-shaped profile and is defined by a radially extending wall, an outer flange wall extending axially from the radial wall, and an inner flange wall facing the outer flange wall and extending axially from the radial wall. ... Aktiebolaget Skf

09/21/17 / #20170267263

Method and system for determining a vertical profile of a rail surface

The present invention defines a method of determining a vertical profile signal of a rail surface that includes, obtaining a vertical acceleration signal acc1, by measuring vertical acceleration of a bogie of a rail vehicle that runs on the rail surface; processing the vertical acceleration signal to obtain a vertical velocity signal; determining the vertical profile signal of the rail surface, by using the vertical acceleration signal and the vertical velocity signal as inputs to a simulation model of the bogie, the model having an unsprung mass connected to a sprung mass, the vertical acceleration signal acc1 represents the vertical acceleration of the unsprung mass; and measuring a linear velocity signal of the rail vehicle, the linear velocity signal is used in the step of determining to convert the vertical profile signal from the time domain to the distance domain.. . ... Aktiebolaget Skf

09/14/17 / #20170261032

Suspension thrust bearing device

A suspension thrust bearing provides a bearing with annular upper part and annular lower part. The lower part provides an axial hub, an outwardly projected radial flange extending from the axial hub, and a curved connecting portion between the axial hub and radial flange. ... Aktiebolaget Skf

08/24/17 / #20170241564

Valve operator assembly, valve equipped with such assembly and assembly process for such a valve

The invention concerns a valve operator assembly for valve. The valve provides a valve body and a valve translating member axially moveable. ... Aktiebolaget Skf

08/03/17 / #20170219505

Method for testing a ceramic component

A method for testing a ceramic component for a fracture toughness includes changing the temperature of the component to a first temperature, for example, by heating the component, and changing the temperature of the component to a second temperature, for example, by cooling the component and testing the component for cracks. The temperature difference between the first temperature and the second temperature is determined based on a minimum fracture toughness.. ... Aktiebolaget Skf

08/03/17 / #20170219068

Pulley device for a belt, installation method of such a device and motor vehicle equipped with such a device

A pulley device for a belt that includes an eccentric adjusting member fixed on a support, an eccentric hub rotatably mounted on the eccentric adjusting member, a torsion spring between the eccentric adjusting member and hub to exert a biasing force, and a pulley rotatably mounted on the hub. The hub provides an upper radial surface and the eccentric adjusting member provides a radially outwardly projecting flange formed at an upper end of the eccentric adjusting member and forming an axial abutment for the upper radial surface. ... Aktiebolaget Skf

08/03/17 / #20170219038

Suspension thrust bearing device

The invention concerns a suspension thrust bearing for use with a suspension spring in an automotive suspension strut. The suspension thrust bearing provides a bearing with an annular upper part and a annular lower part in relative rotation one to the other, a lower support surface being provided by the lower part that axially supports an upper end of a suspension spring by the intermediate of a damping device made from resilient material. ... Aktiebolaget Skf

08/03/17 / #20170217453

Railway axlebox bearing assembly with mounting surface

The invention relates to a railway axlebox bearing assembly including a radially outer mounting surface configured to be mounted so as to face a radially inner mounting surface of an axlebox housing. It is proposed to further provide the assembly with least two spacer elements configured to be mounted between the radially outer mounting surface and the mounting surface of an axlebox housing.. ... Aktiebolaget Skf

07/27/17 / #20170213441

Sticker, condition monitoring system, method & computer program product

A sticker for attaching to at least one part of a machine having at least one rotating component that is to be monitored is provided. The sticker includes a vibration status indicator arranged to indicate when a vibration of the machine having the at least one rotating component exceeds a predetermined level. ... Aktiebolaget Skf

07/27/17 / #20170213118

Sticker, condition monitoring system, method & computer program product

A sticker for attaching to at least one part of a machine having at least one rotating component that is to be monitored. The sticker provides a machine-readable label, such as a quick response (qr) code or bar code, which contains information about the component, such as a serial number of the component, and a processor arranged to collect information concerning the use of the at least one rotating component and/or the machine and a transmitter that is arranged to automatically transmit the collected information if/when the processor collects information that a temperature of the at least one part of the machine having at least one rotating component being monitored exceeds a predetermined temperature or a vibration of the at least one part of the machine being monitored exceeds a predetermined level. ... Aktiebolaget Skf

07/27/17 / #20170211989

Method and device for assembling a temperature sensor

A method for assembling sensor on a housing. The sensor provided with a body, a protrusion and an electrical connection cable. ... Aktiebolaget Skf

07/27/17 / #20170211670

An actuating device with double screw connecting means

An actuating device having a longitudinal shaft, an internal sleeve, an external sleeve, internal screw connecting means provided between the longitudinal shaft and the intermediate sleeve, external screw connecting means provided between the intermediate sleeve and the external sleeve. The direct efficiency of the internal screw connecting means is higher than the direct efficiency of the external screw connecting means. ... Aktiebolaget Skf

07/27/17 / #20170211629

Segmented cage and use thereof

A segmented cage for a ball bearing is provided, having multiple independent spacers, distributed at intervals between rolling elements of equal number to the spacers. A pocket slot is formed on each of two sides of each spacer in a position of contact with the rolling element, a concave curved surface adapted to hold the rolling element is formed in the pocket slot, and opposing pocket slots of adjacent spacers are matched to form a cage pocket for enveloping the rolling element. ... Aktiebolaget Skf

07/27/17 / #20170211625

Bearing assembly with preload

A preloaded bearing assembly includes two tapered roller bearings that each have an inner ring and an outer ring and rolling elements therebetween, wherein both bearings are preloadable with a predetermined preload force by relatively shifting the inner rings and/or the outer rings in an axial direction. Flanges are disposed on the inner rings and/or the outer rings and form an axial stop for the rolling elements, and at least one of the flanges is adjustable on or relative to the associated bearing ring in the axial direction. ... Aktiebolaget Skf

07/20/17 / #20170203773

Bearing unit for an axlebox of a railway vehicle, axlebox, railway vehicle and maintenance process

The invention concerns a bearing unit (10), for an axlebox (1) of a railway vehicle, the bearing unit (10) being centered on a central axis (x10) and comprising a bearing (20) configured to support an axle (6) of a wheelset. The bearing unit (20) also comprises an annular sleeve (30) provided with an outer periphery configured for mounting in an annular bore of a housing (2) of the axlebox (1) and an inner periphery configured for receiving the bearing (20); and a plurality of anti-rotation means (422) distributed at the outer periphery of the annular sleeve (30), for preventing rotation of the annular sleeve (30) in the housing (2) of the axlebox (1). ... Aktiebolaget Skf

07/13/17 / #20170199101

Railway condition monitoring sensor device and method for monitoring the condition of a railway bearing

The invention provides a railway condition monitoring sensor device attached to a railway bearing of a railway vehicle including at least one vibration sensor; means for detecting movement of the railway vehicle; a control unit for processing at least the signals obtained by the vibration sensor to determine a health parameter indicating the bearings state of health. The control unit triggers measurements based on at least one predetermined condition; and a wireless communication device for communicating the health parameter to a monitoring and control server. ... Aktiebolaget Skf

07/13/17 / #20170198752

Rolling-element bearing

A rolling bearing includes an inner ring, an outer ring, a plurality of rolling elements disposed between the inner ring and the outer ring, and a plurality of cage segments separating circumferentially adjacent ones of the plurality of rolling elements. Each of the cage segments has an axial bridge portion and side plates at axially opposite ends of the bridge portion, each of the side plates having a convex end and a concave end circumferentially spaced from the convex end. ... Aktiebolaget Skf

07/13/17 / #20170198751

Bearing cage or bearing cage segment

A bearing cage or bearing cage segment is disclosed, in particular for a rolling-element bearing, wherein the bearing cage includes a polyetheretherketone (peek) base material having a low and medium viscosity, and less than 30%, in particular 15% to 25%, reinforcing material is added to the base material, and the reinforced peek material has a shrinkage in the melt-flow direction that falls in the range of 0.4% to 0.6%.. . ... Aktiebolaget Skf

07/06/17 / #20170191527

Cage of a roller bearing and method for producing such a cage

A cage for a roller bearing is provided. The cage has a ring-shaped base body with a plurality of pockets for receiving rolling elements. ... Aktiebolaget Skf

06/22/17 / #20170176398

Couplant and arrangement of couplant, transducer, and construction component

Embodiments provide a couplant and an arrangement of a couplant, a transducer, and a construction component. The couplant is adapted to couple the transducer to the surface of the construction component. ... Aktiebolaget Skf

06/22/17 / #20170176340

Sensor for detecting water in oil

A system for detecting the presence of water in oil, provides a detection head including a gap in which oil to be monitored may be received; at least a first optical fiber having a first end, optically coupled to transmit light across the gap; a micro electro-opto-mechanical (meom) device, the meom device comprising a photo-emitter and a photo-detector integrated onto a silicon based substrate, the photo-emitter being optically coupled to transmit light into a second end of the first optical fiber and the photo-detector being arranged to receive transmitted light that has been transmitted across the gap; and an electronic interface to the meom device for communicating therewith. A processor may be provided to analyze and compare the respective light signals to determine an amount of water present in the oil. ... Aktiebolaget Skf

06/22/17 / #20170175809

Bearing ring for rolling-element bearing

A bearing ring for a rolling-element bearing includes a rolling-element raceway that is axially delimited by a guide flange and a retaining flange. At least the retaining flange is configured as a separate element that is fixedly connectable to the bearing ring, and the bearing ring includes a substantially radially extending stop that is offset inward from an axial end of the bearing towards the raceway.. ... Aktiebolaget Skf

06/22/17 / #20170175807

Actuator assembly comprising a bearing

This invention provides an actuator assembly having an actuator with a cylinder-shaped shaft rotatable around an axially extending center axis (a), the shaft having an envelope surface. The assembly further provides a fixed, tubular bearing surrounding a section of the shaft, the bearing having an inner surface facing the envelope surface of the shaft so that an interface between the shaft and the bearing is created. ... Aktiebolaget Skf

06/22/17 / #20170175591

Cam follower roller device

The cam follower roller device provides a tappet body, a pin and a roller mounted on the pin. The tappet body provides holes for mounting pin ends of the pin on the tappet body. ... Aktiebolaget Skf

06/15/17 / #20170167614

Sealing device and method for sealing in a fluid medium

A seal device for sealing in a liquid medium includes a first seal assembly disposed on a primary side facing the medium and configured to seal a stationary component with respect to a rotatable component, a second seal assembly disposed on a secondary side facing away from the medium and configured to seal the stationary component with respect to the rotatable component, and a sensor connected to a volume located between the first seal assembly and the second seal assembly and configured to detect a change of a moisture level in the volume. The stationary component further includes a bore located axially between a contact surface for the first seal assembly and a contact surface for the second seal assembly, and the volume is connected to a pressure tank by the bore.. ... Aktiebolaget Skf

06/08/17 / #20170159716

Capacitance measurement in a bearing

A bearing arrangement includes a bearing having an inner race and an outer race and a plurality of rolling elements arranged between the inner and outer race such that the first race is rotatable relative the second race; bearing lubricant arranged within the bearing to lubricate the rolling elements. The bearing arrangement provides a first electrically conductive portion and a second electrically conductive portion, the first and second electrically conductive portion being electrically insulated and arranged such that at least a portion of the bearing lubricant is located between the first and second electrically conductive portion; and a capacitance meter having a first electrode connected to the first electrically conductive portion and a second electrode connected to the second electrically conductive portion, configured to measure a capacitance between the first ring and the second ring to determine a water content in the lubricant based on the measured capacitance.. ... Aktiebolaget Skf

06/08/17 / #20170159507

Cam follower roller device with reinforced tappet body

The cam follower roller device provides a tappet housing extending along an axis, a pin mounted on the tappet housing and a roller mounted on the pin. The tappet housing includes a main body provided inside which the roller is mounted and with a recess delimited axially by a radial portion of the body. ... Aktiebolaget Skf

06/08/17 / #20170158012

Strut mount bearing unit

A strut mount and bearing assembly includes a strut mount having upper and lower ends, a central bore for receiving a shock absorber end and an annular upper race surface between the upper and lower ends and extending circumferentially about the bore. The upper end is fixedly connectable with a vehicle body and has a flat attachment surface disposeable against a vehicle surface of the vehicle body. ... Aktiebolaget Skf

05/18/17 / #20170137042

Railcar adapter for connecting a railcar body to a bearing

Railcar adapter, for connecting a railcar body to a bearing, having a bearing seat side secured to the bearing and a frame seat side mounted in a bogie frame of the railcar body is provided. The railcar adapter includes a top cover in contact with the railcar body, forming the frame seat side, a bearing seat adapted to be mounted on the bearing, forming the bearing seat side and at least one damping element located between the top cover and the bearing seat.. ... Aktiebolaget Skf

05/18/17 / #20170137041

Railcar adapter for connecting a railcar body to a bearing

Railcar adapter for connecting a railcar body to a bearing providing an adapter body having two lateral channels each axially delimited by a pair of opposed lugs and a lateral surface perpendicular to the opposed lugs, each lateral channel being adapted to cooperate with the railcar body. The railcar adapter further provides swivelling means allowing swivelling of the railcar adapter relative to the railcar body.. ... Aktiebolaget Skf

05/18/17 / #20170137040

Railcar adapter for connecting a railcar body to a bearing

A railcar adapter for connecting a railcar body to a bearing is provided. The railcar adapter includes an adapter body having two lateral channels each delimited by a pair of opposed lugs adapted to cooperate with the railcar body, an inner surface acting as a bearing seat for the bearing and an outer surface in radial contact with the railcar body. ... Aktiebolaget Skf

05/11/17 / #20170131184

Method and device for handling dynamic characteristics of a vibrating machine component

The embodiments herein relate to a method performed by an analyzing device for handling dynamic characteristics of a vibrating machine component. The analyzing device monitors vibration of the machine component in real-time. ... Aktiebolaget Skf

05/11/17 / #20170130775

Rolling bearing arrangement

A bearing arrangement is disclosed having a bearing and a bearing support. The bearing is coupled to the bearing support at an axial side. ... Aktiebolaget Skf

05/11/17 / #20170130616

Cam follower roller device with insert

The cam follower roller device provides a tappet body 12, an insert 18 mounted in the tappet body and provided with a central core 24 and with at least two side tabs 26, 28, a pin 14 mounted at least on the tabs of the insert, and a roller 16 mounted on the pin. The insert 18 further provides at least one stiffener 44, 46 disposed between the core 24 and each tab 26, 28.. ... Aktiebolaget Skf








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