Patents Assigned to Aktiebolaget SKF
  • Sealed universal joint bearing and universal joint bearing assembly
    Patent number: 11193542
    Abstract: A sealed universal joint bearing includes a pot-shaped component having a disk-shaped base and a cylindrical wall projecting from a periphery of the base, and an inner surface of the base and an inner surface of the cylindrical wall define an interior of the pot-shaped body. At least one row of rolling elements are configured to roll along the inner surface of the cylindrical wall. A flange in the interior of the pot-shaped component has a flange surface against which end sides of the rolling elements are configured to slip during bearing operation, and the flange surface includes at least one formation configured to reduce a contact area between the flange surface and the end sides of the rolling elements.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: December 7, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Helmut Hauck, Hubert Herbst, Daniel Jansen, Christian Knoche, Manfred Mattes, Thomas Niestroj, Stefanie Seufert
  • Polymer joining ring for a bearing assembly
    Patent number: 11187271
    Abstract: The present disclosure discloses a polymer joining ring for a bearing assembly and is configured to retain a first inner ring and a second inner ring together to the bearing assembly. The polymer joining ring includes an outer surface and an inner surface. The outer surface includes a W or E shaped geometry throughout and includes a pair of flanges extending radially outwards at corners from outer surface, and a semi-circular protrusion extending at middle of the polymer joining ring. The pair of flanges are placed in tapered narrow grooves of the first inner ring and the second inner ring, and the semi-circular protrusion is placed in a triangular shape space produced between the first inner ring and the second inner ring can be tightly connected to each other. The joining ring is made of a polymer material that facilitates ease in assembling and accurate positioning of the inner rings.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: November 30, 2021
    Assignee: Aktiebolaget SKF
    Inventor: Vijaykumar Rachappa Sinhasan
  • Bearing housing, and bogie for rail vehicles comprising a housing of this kind
    Patent number: 11186299
    Abstract: A bearing housing including a casing; a rotary bearing with an exterior race mounted inside a bore of the casing, an interior race adapted to be mounted on a shaft and rolling members between the races; and a cap fastened to a front-end face of the shaft, the cap forming an abutment for the interior race on the front face. The bearing housing also comprises a sealing ring mounted in the cap and intended to be clamped axially between the end face of the shaft and the cap.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: November 30, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Jonathan Repesse, Thierry Le Moigne
  • Method for mounting a sensor bearing unit, and sensor bearing unit adapted to such a method
    Patent number: 11187272
    Abstract: A method for mounting a sensor bearing unit providing a bearing and an impulse ring provided with a target holder and with a target mounted on an axial portion of the target holder. The method including measuring an eccentricity E1 between the target and the axial portion of the target holder, measuring an eccentricity E2 between a groove made in the bore of an inner ring of the bearing and the bore, introducing the target holder inside the groove, turning the target holder inside the groove to an angular position in which the eccentricity Etotal between the target and the bore of the inner ring is less than or equal to a predetermined value which is lower than the sum of the eccentricities E1 and E2, and securing the target holder inside the groove of the inner ring at the angular position.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: November 30, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Yves-André Liverato, Eric Robert, Vincent Sausset
  • Liner with improved resistance to wear and a plain bearing including such a liner
    Patent number: 11187270
    Abstract: A bearing liner includes a binder with a resin material, a pre-preg, a structural yarn and a lubricating yarn, and particles of aluminum oxide (Al2O3). The particles of aluminum oxide may be embedded within the binder or within the lubricating yarn, or may be embedded within both the binder and the lubricating yarn. A plain bearing includes an inner ring, an outer ring and such a liner interposed or disposed between the rings.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: November 30, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Michael Brett Colton, Grant Dennis, Johnpaul Woodhead
  • Analog output current transmitter
    Patent number: 11181559
    Abstract: An analog output current transmitter includes a first circuit portion that generates analog sine and cosine voltage signals, a second circuit portion that transforms the analog sine and cosine voltage signals into current signals, the signals being transformed by an operational transconductance amplifier, and a third circuit portion providing a current limiter, the current limiter circuitry limits the output current to a defined threshold. No microcontroller is required in order to monitor and regulate the output current to the defined threshold. Also a system and method for sensing shaft bearing shaft rotation over 360 mechanical degrees having an analog output current transmitter is provided.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: November 23, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Gilles Ngningha Junior, Arnaud Pinon
  • Integrated bearing element and suspension upright module, and method of production thereof
    Patent number: 11173761
    Abstract: An integrated module for a vehicle suspension includes a bearing outer ring and a suspension upright or knuckle, the outer ring being formed of a first high-strength material, and at least part of the suspension upright or knuckle being made from a second, metallic material, the second material being lighter than the first material. The upright or knuckle is co-moulded radially onto the outside of the bearing and is directly fixed to the bearing ring by means of an interface for form coupling. Opposite axial ends of the bearing outer ring are configured to receive closing and sealing devices for protecting one or more races of the bearing outer ring during co-moulding and for removing heat from the races during co-moulding.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: November 16, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Marco Falossi, Paolo A Re
  • Suspension thrust bearing device and suspension strut equiped with such a device
    Patent number: 11167613
    Abstract: A suspension thrust bearing device for use with a suspension spring in an automotive suspension strut of a vehicle. The device provides a bearing having upper and lower annular bearing members in relative rotation, and a damping element made of resilient material and interposed between the lower annular bearing member and the suspension spring. The damping element including at least one deflecting flange for reducing any ingress of water and other pollutants between the upper and lower annular bearing members. The damping element is provided with an annular groove open axially towards the suspension spring, the annular groove radially defining a spring support surface on an inner side, and the deflecting flange on an outer side. The deflecting flange has a frustoconical shape directed axially towards the suspension spring.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: November 9, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Xavier Blanchard, Thomas Lepine, Bruno Montboeuf, Jordan Renaudon
  • Pulley device for a tensioner roller or winding roller
    Patent number: 11168779
    Abstract: A pulley device for a tensioner roller or winding roller of a belt, including a bearing, a pulley mounted to the bearing, a protective flange and a screw. The protective flange having at least one tongue provided with a plastically deformable part that can pass from a first, undeformed configuration for the insertion of the screw to a second, deformed configuration for axially and radially retaining the screw.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: November 9, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Benoit Arnault, Nicolas Tronquoy
  • Pulley device for a tensioner roller or winding roller
    Patent number: 11168780
    Abstract: A pulley device for a tensioner roller or winding roller of a transmission element, having a fixed inner element configured to receive a screw, a rotating outer element that is mounted to rotate coaxially about the fixed inner element and is intended to cooperate with the transmission element, and an annular protective flange bearing against a lateral surface of the fixed inner element. The fixed inner element provides a sleeve axially protruding from the lateral surface. The flange provides an inner axial portion mounted securely on an outer surface of the sleeve.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: November 9, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Benoit Arnault, Benoit Hauvespre, Nicolas Tronquoy
  • Structural unit, universal joint bearing and assembling procedure
    Patent number: 11168739
    Abstract: A structural unit for assembly to a trunnion of a universal joint bearing providing a cup, a sealing ring, which is fixed to the cup, and a shield, which is connected to the cup in a state in which the structural unit is not assembled to the trunnion. The cup includes a bottom and the sealing ring provides at least one sealing lip that points in a direction with an axial component towards the bottom.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: November 9, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Nicolas Berruet, Helmut Hauck, Hubert Herbst, Daniel Jansen, Suhel Ahamad Khan, Manfred Mattes, Fabio Picatto, Marcel Schmitt, Hector Villalobos
  • Pulley device, in particular for tensioning idler or runner roller
    Patent number: 11162571
    Abstract: A pulley device for supporting a belt of a chain tensioning idler or a runner roller includes a bearing having an outer ring mounted for rotation relative to a coaxial inner ring and first and second C-shaped pulley parts mounted on the radially outer surface of the outer ring with their openings facing each other. The radially outer portion of the first and/or second pulley part includes at least one radial through opening, and a first portion of at least one of the pulley parts radially inward of the through opening is deformable from a first configuration in which the first pulley part is axially movable relative to the outer ring to a second configuration in which the first pulley part forms an interference fit with the outer ring or with the second pulley part. Also a method of connecting the pulley parts to the outer ring.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: November 2, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Mickael Chollet, Thomas Perrotin, Simon Prevost, Nicolas Tronquoy
  • Rolling bearing
    Patent number: 11162533
    Abstract: A rolling bearing is disclosed which comprises an outer ring and an inner ring, wherein rolling elements are arranged between the outer ring and the inner ring, and wherein the rolling elements are spaced apart by a cage being arranged between the outer ring and the inner ring, wherein the cage is made of polymer containing reinforcing fibers, and the outer ring and/or the inner ring are steel rings with fine carbide precipitation.
    Type: Grant
    Filed: October 22, 2018
    Date of Patent: November 2, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventor: Bryan Allison
  • Labyrinth sealing device for improved drainage
    Patent number: 11156251
    Abstract: A sealing device for a bearing unit having an axis of rotation and providing; a static component placed on a non-rotatable outer ring having a reinforcement support that abuts the outer ring and elastomeric material disposed on the reinforcement support, the elastomeric material forming first and second lips; a rigid shield configured for placement on one of a rotatable hub and a rotatable inner ring; the first and second lips have an equilibrium position where they do not contact the metallic shield; the elastomeric material forming a third lip that contacts the rigid shield to form an internal volume of the sealing device, the second lip and the rigid shield define a labyrinth seal in communication with the internal volume; the second lip, does not extend a full three hundred sixty degrees around the axis of rotation. This creates a channel for drainage of contaminants from the internal volume.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: October 26, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Antonia Nastasi, Paolo A Re
  • Bearing assembly
    Patent number: 11156250
    Abstract: A bearing assembly includes a first locating bearing and a second locating bearing configured to be mounted on a shaft. The first locating bearing includes a two-part outer ring formed from a radially inward outer ring and a radially outward outer ring, and a diameter of the inward outer ring is smaller than a diameter of the outward outer ring.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: October 26, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Thomas Forster, Johann Huber
  • Self-aligning cam follower roller device
    Patent number: 11156284
    Abstract: A cam follower roller device including a tappet body extending along a longitudinal axis and defining a tappet bore, a pin centered on a transverse axis, through holes having mounting ends for supporting the pin on the tappet body, and a roller rotatably mounted on the pin around the transverse axis, the roller having a cylindrical outer surface, a central cylindrical bore and two frontal end faces. Transverse gaps are provided between frontal end faces of the roller and the tappet bore, and the central cylindrical bore of the roller is mounted around an annular rolling surface of transverse convex profile.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: October 26, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Michel Rabin, Charles Chambonneau, Mickael Chollet, Benoît Hauvespre, Thomas Perrotin, Mathieu Thibault, Nicolas Tronquoy
  • Grease compositions and method for making the same
    Patent number: 11149228
    Abstract: A grease composition contains a mixture of a lubricating base oil, an ester-terminated polyamide and at least one polyolefin. The ester-terminated polyamide has the formula: R1-O—CO—R2-CO—[NH—R3-NH—CO—R2-CO]n-O—R1. R1 contains 4-22 carbon atoms, R2 contains 4-42 carbon atoms, R3 contains 2-9 carbon atoms and n is an integer in the range of 1-20. The grease composition can be used for lubricating a mechanical component having a metal surface and/or for protecting a mechanical component having a metal surface against corrosion, wear and/or fretting.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: October 19, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Sathwik Chatra Kalsanka Ramakrishna, Dries Muller
  • Bearing cage segment of a sheet metal cage
    Patent number: 11149794
    Abstract: A sheet metal bearing cage segment includes a first sheet metal ring section, at least one second sheet metal ring section, and a plurality of bridges connecting the first ring section and the at least one second ring section to each other, adjacent pairs of the bridges forming pockets configured to receive at least one rolling element. At least one edge of the first ring section and/or at least one edge of the at least one second ring section and/or of one of the bridges is at least partially formed by laser cutting. Also a method of forming a sheet metal bearing cage at least partially by laser cutting.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 19, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Bearing cage segment including alignment element
    Patent number: 11149793
    Abstract: A bearing cage segment of a sheet metal cage includes first and second sheet metal ring sections and bridges therebetween defining a plurality of pockets for receiving rolling elements. A first circumferential joint edge of the segment is configured to connect to a second circumferential joint edge of the segment or to a second joint edge of another segment, and the first joint edge includes at least one alignment element, such as a projection or contour, that is configured to align the first joint edge radially, axially and/or circumferentially against the second joint edge which may include a complementary alignment element such as a recess or complementary contour.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: October 19, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Manfred Mattes, Harald Metz, Achim Mueller, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Housing for ball bearings
    Patent number: D937331
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: November 30, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Fausto Baracca, Andrea A Bertolini, Pasquale Frezza, Alessio Nebbia Colomba