Patents Assigned to SKF
  • Load determining system for a rolling element bearing
    Patent number: 10508960
    Abstract: The invention provides a load determining system including a sensorized rolling element bearing in a hub unit for wheels. The bearing includes a first ring and a second ring as an inner ring and an outer ring. Either one of the first and second ring may be the inner ring, the other ring being the outer ring. The system includes at least one magnetic sensor attached to the first ring that interacts with a target wheel attached to the second ring. Further, the system includes a signal processing unit configured to receive the magnetic sensor output of the at least one magnetic sensor. The signal processing unit is configured to determine at least axial forces acting on the bearing based on the amplitude of the magnetic sensor output. It is proposed that a pitch wavelength of the target ring is 4 mm or less.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: December 17, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Hendrik Anne Mol, Simon van Ballegooij, Jozef Maria Storken
  • Rolling-element bearing assembly
    Patent number: 10508690
    Abstract: A rolling-element bearing assembly includes first and second rolled-on surface elements and a plurality of rolling elements arranged therebetween such that the first and second rolled-on surface elements are rotatable relative to each other. A first one of the rolling elements includes a first sensor module having a sensor interface operably connected to a communication interface of a first communication module, and a second one of the rolling elements includes a second sensor module having the sensor interface operably connected to the communication interface of a second communication module. The common sensor interfaces allow different sensors to be used with identical communication modules.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: December 17, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Sebastian Ziegler, Armin Olschewski, Thomas Peuschel, Alexander de Vries, Andreas Clemens van der Ham
  • Roller bearing comprising oblique contact rollers
    Patent number: 10495142
    Abstract: The roller bearing provides an inner ring, an outer ring, and at least one row of oblique contact rollers arranged between bearing races, of the rings. Each of the rings provides a guide face, which is in contact with end faces, of the rollers. A point of intersection of the axis of rotation of each roller of the row with each guide face, of the rings is situated at an equal distance from inner, and outer, edges of the guide face.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: December 3, 2019
    Assignee: AKTIEBOLAGET SKF
    Inventors: Cyril Bouron, Herve Dondaine
  • Dynamic seal
    Patent number: 10495227
    Abstract: The present invention provides a dynamic seal for enclosing a radial gap between coaxial, relatively rotatable inner and outer members. The dynamic seal includes an inner seal part, mountable to the inner member; an outer seal part, mountable to the outer member; and a counterface part radially suspended between the inner and outer seal parts and coaxial therewith. Each of the inner and outer seal parts provides a set of first and second sealing elements, which bear against oppositely oriented axial surfaces of the counterface part. The counterface part is thus axially retained in both directions by the inner seal part at a radially inner contact location, and is axially retained in both directions by the outer seal part at a radially outer contact location.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: December 3, 2019
    Assignee: AKTIEBOLAGET SKF
    Inventors: Gerrit-Jan Dop, Jos Holsnijders
  • Wheel-hub bearing unit
    Patent number: 10495150
    Abstract: A unit forming a wheel-hub includes an outer bearing ring that is stationary and a flanged body that is directly connected to a pillar of a vehicle are provided with respective locking surfaces for locking the outer ring inside an assembly seat of the flanged body.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: December 3, 2019
    Assignee: AKTIEBOLAGET SKF
    Inventors: Ferdinando Patalacci, Carlo Maldera
  • Method for manufacturing a pulley device, a pulley device according to such a manufacturing method and an engine fitted with such a pulley
    Patent number: 10493712
    Abstract: The invention relates to a method for manufacturing a pulley device for a tension roller or a roller of a transmission element providing a pulley, at least two rolling-element bearings and a sleeve, the rolling-element bearings being assembled adjacently on the sleeve before the pulley is formed by injecting material onto the rolling-element bearings.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: December 3, 2019
    Assignee: AKTIEBOLAGET SKF
    Inventors: Daniel Capoldi, Frederic Bordier, Laurent Cherioux, Thierry Prouteau, Philippe Weber
  • Instrumented shaft for condition monitoring
    Patent number: 10487805
    Abstract: A flanged shaft having a shaft part including a bearing seat for mounting an inner ring of a bearing arrangement and a flange part at a first side of the shaft. The flange part has an axially inner surface for axially retaining the inner ring. The flanged shaft is instrumented with one or more sensor units. Each unit having a measuring surface formed by an axially inner surface of at least one contact plate on which one or more sensors are provided for monitoring one or more operating parameters of the bearing arrangement. According to the invention, each of the one or more sensor units is arranged in a corresponding recess that extends through the flange part such that the measuring surface lies flush with or protrudes somewhat beyond the axially inner surface of the flange part.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: November 26, 2019
    Assignee: AKTIEBOLAGET SKF
    Inventor: Andrew Campbell
  • Bearing device with energy harvesting means
    Patent number: 10491076
    Abstract: A bearing arrangement including a rotating part and a non-rotating part. The rotating part is configured to rotate relative to the non-rotating part with an essentially horizontal rotation axis. The arrangement is provided with an energy generating system, comprising at least one micro generator module. The micro generator module includes a housing, an eccentric mass mounted so as to be rotatable around an eccentric shaft in the housing, and a generator unit configured to generate electrical energy using the rotation of the eccentric shaft. The energy generating system is mounted to the rotating part of the arrangement.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: November 26, 2019
    Assignee: AKTIEBOLAGET SKF
    Inventors: Georgo Angelis, Nicolaas Simon Willem Den Haak, Petrus Matheus Josephus Knapen, Bernardus Johannes Meijer, Andreas Clemens Van Der Ham
  • Method of imparting compressive residual stress to balls
    Patent number: 10480578
    Abstract: A method of imparting compressive residual stress to a first plurality of balls includes a) placing the balls between a first body having a first surface and a second body having a second surface, the first surface including a smooth contact portion, the smooth contact portion being substantially flat or convex and having a surface hardness greater than or equal to an initial surface hardness of the balls, b) imparting a compressive stress along a first diameter of the balls by pressing the first body toward the second body or the second body toward the first body or the first and second bodies toward one another with a force, and c) causing relative movement between the first surface and the second surface while maintaining the force at or above a minimum level to impart the compressive stress along other diameters of the balls different than the first diameter.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: November 19, 2019
    Assignee: AKTIEBOLAGET SKF
    Inventors: Bryan McCoy, John Roth, Nathan Hipwell, Ron Radovich
  • Bearing cage, radial bearing assembly with such a cage, in particular for a balancing shaft
    Patent number: 10480579
    Abstract: A bearing cage for rolling element bearings, that is annular and centered on a central axis. The bearing cage provides a plurality of circumferentially adjacent pockets dedicated to receive each a rolling element. The bearing cage being split in the circumferential direction along a line of separation to define a first side and a second side that are circumferentially separated from each other. The first side and second side having fixing means to fix the first side and second side to each other such that the bearing cage can have different diameters.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: November 19, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Christophe Houdayer, Charles Chambonneau, Philippe Walter
  • Component of a universal joint bearing
    Patent number: 10465748
    Abstract: 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. Also a method that includes clamping the component by the formation and machining inner and outer surfaces of the component without unclamping the component.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: November 5, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Volker Wendt, Padelis Katsaros
  • Sealing assembly and method for monitoring dynamic properties of a sealing assembly
    Patent number: 10465799
    Abstract: 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 one vibration sensor is fixed to the movable part of the seal lip.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: November 5, 2019
    Assignees: Aktiebolaget SKF, SKF Economos Deutschland GmbH
    Inventors: Defeng Lang, Muhammad Ahmer, Thomas Deigner, Jos Holsnijders, Sebastian Ziegler, Frank de Wit
  • Oil-air lubricant distributor
    Patent number: 10465844
    Abstract: An oil-air lubricant distributor with a tubular distributor body that includes an oil-air mixture inlet and a plurality of lubrication-point outlets for dispensing the oil-air mixture to at least one consumer, wherein the lubrication-point outlets are connected to the oil-air mixture inlet via line channels, and the line channels are provided with an oil-air mixture from a mixture distributor unit, the mixture distributor unit including a single oil inlet, a single air inlet, and a plurality of oil-air-mixture outlets, and wherein the oil-air mixture inlet is directly but releasably connected to the mixture distributor, and the oil-air-mixture outlets are directly but releasably fluidly connected to the line channels in the tubular distributor body.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: November 5, 2019
    Assignee: SKF Lubrication Systems Germany GmbH
    Inventors: Markus Mandera, Juergen Kreutzkaemper, Andreas Schoenfeld, Stefan Schuermann
  • Seal assembly for sealing a space between a housing and a component against entry of a liquid medium
    Patent number: 10458549
    Abstract: A seal assembly for sealing a space between a housing and a component against a liquid medium includes a seal element fixedly connectable to the housing, the seal element including a seal lip that is movable at least in a radial direction, the seal lip being disposed at an angle with respect to the radial direction and a support element in abutment with the seal lip. The support element and the seal element are configured such that a pressure exerted on the seal lip by the liquid medium is transmittable in the radial direction to the support element, and the seal assembly also includes a further seal assembly on a side of the support element axially opposite the seal element, the further seal assembly including a first seal having a first seal body and a second seal having a second seal body.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: October 29, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Michael Baumann, Christian Kogler
  • Hub-bearing assembly for a vehicle wheel
    Patent number: 10457095
    Abstract: 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.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: October 29, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Maurizio Bertola, Daniele Duch
  • Flanged wheel hub for wheel hub bearings
    Patent number: 10457096
    Abstract: 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 at the position of the threaded through holes, the wheel hub being produced by forging with the flange and the arms made in one piece, and also having, for each threaded through hole, an annular boss, which is also forged in one piece with the wheel hub and is arranged around, and penetrated by, the corresponding threaded through hole for the purpose of increasing the mechanical strength characteristics of the wheel hub.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: October 29, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Fausto Morello, Marco Romanetto, Julian Veeh
  • Actuator manual override device
    Patent number: 10459476
    Abstract: 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. As such, angular displacement of the override body angularly displaces the shaft about the shaft central axis so as to drive the output member. Preferably, the body outer portion includes an annular rim, the body inner portion includes a hub with a socket for receiving the motor shaft end and the body further includes a disk-like intermediate portion extending radially between and integrally connecting the hub and rim.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: October 29, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Adong Wu, Malt Mei
  • Rolling element bearing
    Patent number: 10458476
    Abstract: A rolling element bearing having a first ring element, a second ring element (3), a plurality of rolling elements arranged in a space between the first and the second ring elements such that the first and the second ring elements can rotate relative each other around a rotational axle. The bearing further includes a sealing ring for sealing off a circumferential opening of the space between the first and the second ring element. The sealing ring is connected to the first ring element and further arranged to rotate relative the second ring element of the rolling element bearing. The sealing ring provides a power generating system that provides at least one pick-up element arranged to generate electrical power when the rolling element bearing rotates. The power generating system is located completely within the circumferential opening of the space.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: October 29, 2019
    Assignee: Aktiebolaget SKF
    Inventor: Thomas Hubertus Theresia Vrancken
  • Bearing unit
    Patent number: 10458469
    Abstract: A large size bearing unit provides a rolling bearing having a first ring element and a second ring element and a plurality of rolling elements interposed radially in-between the first and the second ring elements. The first and the second ring elements rotate relative each other in relation to a rotational axle. The first ring element provides at least two separate ring elements located adjacently in a row along the rotational axle. At least one ring-formed support element is at least partly embedding the at least two separate ring elements and includes a seat surface onto which the at least two separate ring elements are located. The at least one ring-formed support element has two axially opposite surfaces extending radially from the seat surface to partly enclose the at least two separate ring elements. At least one of the axially opposite side surfaces is located on a separate ring-formed element.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: October 29, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Christian Zang, Werner Horn
  • Cam follower roller device
    Patent number: 10458465
    Abstract: 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. Each of the flanges of the support body is provided with an outwardly protruding portion that extends transversally from the flange towards the tappet body. The tappet body includes a support diametrically opposed and having each a transverse surface that cooperates with the protruding portion of the support body to longitudinally block the support body.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: October 29, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Samuel Viault, Charles Chambonneau, Mickael Chollet, Thomas Perrotin, Michel Rabin, Philippe Walter