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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


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... Aktiebolaget Skf

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. The first metallic material and the second metallic material have been joined by a diffusion welding process. The... Aktiebolaget Skf

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. The spacer device comprises a first roller element-contacting surface and a second roller element-contacting surface... Aktiebolaget Skf

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... Aktiebolaget Skf

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,... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

Case-hardenable stainless steel alloy

A steel alloy for a bearing, the alloy having a composition having from 0.04 to 0.1 wt. % carbon, from 10.5 to 13 wt. % chromium, from 1.5 to 3.75 wt. % molybdenum, from 0.3 to 1.2 wt. % vanadium, from 0.3 to 2.0 wt .% nickel, from 6 to... Aktiebolaget Skf

Universal joint including a seal, seal, and 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... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

Sensor unit for a bearing

The mounting brackets are linearly movable and pivotable relative to the main body. The sensor unit has a first attachment position and a second attachment position.... Aktiebolaget Skf

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... Aktiebolaget Skf

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. The EM sensing element receives the generated... Aktiebolaget Skf

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... Aktiebolaget Skf

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. The annular seal is integrally molded to the body and provides a lower seal lip body, and a top... Aktiebolaget Skf

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... Aktiebolaget Skf

Seal assembly and 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. The support ring has a first end and... Aktiebolaget Skf

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. The target holder provides an inner axial tubular portion... Aktiebolaget Skf

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... Aktiebolaget Skf

Device and 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... Aktiebolaget Skf

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... Aktiebolaget Skf

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. The running surface has a first edge and... Aktiebolaget Skf

Device for retaining of lubricants in rolling-element bearings, rolling-element bearing subassemblies, and 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. An annular... Aktiebolaget Skf

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. Each generator unit includes at least one coil, at least one permanent magnet and two pole shoes having pole surfaces facing... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

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... Aktiebolaget Skf

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... 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... 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... 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... 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... 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... Aktiebolaget Skf

12/28/17 / #20170370416

Roller bearing module, a manufacturing a roller bearing module, and a 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. The spacer is arranged in an axial direction between the outboard roller bearing and... 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... 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... 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... Aktiebolaget Skf

12/14/17 / #20170356491

Slewing roller bearing with sealing arrangement

A slewing bearing providing a first ring, a second ring, the rings being concentric around a central axis (X1), at least one row of rolling elements arranged between the rings in order to form an axial thrust that can transmit axial forces, at least one row of rolling elements arranged... 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... 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... 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. % silicon, from 0.2 to 0.9 wt. % manganese, from 2.0 to 3.3 wt. % chromium, from 0 to 0.4 wt. % molybdenum, from 0... Aktiebolaget Skf

11/23/17 / #20170335991

Valve operator assembly with freewheel and friction means

The assembly further comprises at least one locking mechanism 23 radially interposed between the transmission mechanism 22 and the housing 18, and provided with friction means 82 freely movable in circumferential direction relative to the transmission mechanism and to the housing and with one freewheel 80 comprising a plurality of... 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. The first and second ring may be the inner ring, the other ring being the outer ring. The... 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... 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... 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... 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... Aktiebolaget Skf

11/09/17 / #20170321808

Sealing assembly and monitoring dynamic properties of a sealing assembly

The invention provides a sealing assembly that includes an elastic seal lip having a movable part. The seal lip is configured to be attached to a first part of a machine and to be in sliding contact with a second part of the machine. It is proposed that at least... Aktiebolaget Skf

11/09/17 / #20170322095

Load measurement device and 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... Aktiebolaget Skf

11/02/17 / #20170313127

Flanged wheel hub for wheel hub bearings

A flanged wheel hub for wheel hub bearings, the wheel hub having a flange provided with a plurality of threaded through holes and, for each threaded through hole, a respective radial arm, which has a respective axial thickness (SAB) to act as a strengthening element for the flange, at least... Aktiebolaget Skf

11/02/17 / #20170313398

Protective device for the sealing of a stern tube of propeller-driven ships

A protective device for a stern tube seal of a propeller-driven vessel, wherein an intermediate space is left open between a stern tube and a propeller hub, which intermediate space is covered by a tubular protective cover concentric with the propeller hub, which protective cover is fixedly anchored to the... Aktiebolaget Skf

11/02/17 / #20170314698

Valve operator assembly and valve equipped with such assembly

A valve operator assembly for a valve includes a valve body and an axially moveable valve translating member, a housing mounted on the valve, an input member rotatably mounted with respect to the housing, and a transmission mechanism. The transmission mechanism including a translating element connected to the valve translating... 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. % silicon, from 0.7 to 0.9 wt. % manganese, from 1.4 to 2.0 wt. % chromium, from 0.7 to 1.0 wt. % molybdenum, from 0.03 to 0.15 wt. %... 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... 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... 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. The system also comprises a surge generator configured to provide a voltage pulse at a first rise time down the output cabling to a device under test. The output wire causes... 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. The flyback system also includes a switching device configured to pulse energy to the tank circuit. The energy is stored in a first side of the tank circuit when... Aktiebolaget Skf

10/12/17 / #20170292608

Dynamic seal

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

Patent Packs
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... Aktiebolaget Skf

10/05/17 / #20170282644

Hub-bearing unit with rotor hub

 ... 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... 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... 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. The first shield includes a peripheral section having a first and a second... 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

09/28/17 / #20170275550

Lubricant for roller bearings, roller bearing and 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... 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... Aktiebolaget Skf

09/28/17 / #20170276695

Sensor-bearing unit, mechanical system comprising such unit and 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... 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... 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... 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. The arrangement provides a radial seal connectably mounted to the inner component. The radial seal has a sealing... 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. The lower part provides an exterior... 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. The valve operator assembly provides a housing adapted to be mounted on the valve, an input member rotatably mounted with respect to the housing, and a transmission mechanism.... 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... Aktiebolaget Skf

Patent Packs
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... Aktiebolaget Skf

08/03/17 / #20170219068

Pulley device for a belt, installation 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... 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... 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... 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... 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... 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. The housing being provided with a blind hole shaped to engage with the protrusion of the sensor. The assembly method provides the following phases: a) inserting the protrusion in... 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... 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... 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)... 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... 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... Aktiebolaget Skf

07/13/17 / #20170199101

Railway condition monitoring sensor device and 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... Aktiebolaget Skf

07/06/17 / #20170191527

Cage of a roller bearing and 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. The base body is formed by two side rings arranged in a defined axial distance and by a plurality of pocket elements, which are located between... 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. The device further provides one deformable ring disposed between each pin end of the pin and... 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... 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... 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... 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. The couplant provides 36% to 40% mass portion of hard metal.... Aktiebolaget Skf

06/15/17 / #20170167614

Sealing device and 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... 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... 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... 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... Aktiebolaget Skf








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