Patents Assigned to Aktiebolaget SKF
  • Patent number: 11612989
    Abstract: A system for measuring angle adjustment of a hookspanner wrench to accurately tighten a bearing onto a shaft, the shaft having an adapter sleeve mounted thereon, the adapter sleeve having a threaded and tapered portion. The system including a device providing a hookspanner wrench having a lever arm and an engaging portion, the engaging portion of the hookspanner wrench configured to engage a bearing locking nut, the lever arm configured to mount a storage clamping device fixed thereto, a smartphone secured in place by the storage clamping device, and a specialized application stored on the smartphone that provides a built-in inclinometer and look up data tables.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 28, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Sebastien David, Arjan van Os
  • Patent number: 11608860
    Abstract: 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. Each of the discrete parts is composed of at least 50 mass % of technical ceramic selected from Si3N4, SiAlON, Al2O3, ZrO2, or a mixture of two or more of Si3N4, SiAlON, Al2O3, and ZrO2.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 21, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Thomas Zika, Gerwin Preisinger
  • Patent number: 11603885
    Abstract: A sheet metal strip configured for use as an inner or outer raceway of a rolling-element bearing, and a method of forming the raceway by punching and/or laser cutting a strip of material from a metal sheet, bending the sheet into a ring and welding the ends of the strip together, and mounting the strip on a circular inner or outer surface to form an outer or inner raceway.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: March 14, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hans-Juergen Friedrich, Norbert Huhn, Thomas Kettner, Harald Metz, Alfred Radina, Jonas Schierling, Maximilian Soellner, Markus Volkmuth
  • Patent number: 11598368
    Abstract: A sensor bearing unit includes a bearing having a first ring and a second ring, and an impulse ring provided with a target holder, with a target mounted on the target holder, and with a sleeve secured to the first ring. The target holder having a mounting portion secured to the first ring of the bearing. The target holder has at least anti-rotation feature axially spaced apart from a free end of the mounting portion and cooperating with a complementary anti-rotation feature of the first ring so as to prevent angular movement of the impulse ring relative to the first ring. The anti-rotation feature of the target holder extends into the complementary anti-rotation feature of the first ring.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: March 7, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Nicolas Berruet, Charles Chambonneau, Eric Robert, Vincent Sausset
  • Patent number: 11592058
    Abstract: A gantry assembly includes a rotor, a stator and a bearing for coupling the rotor and the stator. The bearing includes an inner ring connected with the rotor or stator, an outer ring connected with the other one of the rotor and the stator and rolling elements between the two rings. The ring connected with the stator, preferably the outer ring, includes one or more damping washers disposed between the ring and the stator, each washer being disposed about one threaded fastener connecting the ring with the stator. Also, one or more damping cylinders are each disposed within a mounting hole of the ring connected with the stator and about a threaded fastener disposed within the hole. The bearing ring connected with the rotor may also include damping washers between the ring and the rotor or/and damping cylinders disposed within mounting holes receiving fasteners connecting the ring with the rotor.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: February 28, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: William D. Schmidt, Parveen K. Chandila
  • Patent number: 11592108
    Abstract: A seal includes an annular seal body formed of an elastomeric material and has opposing first and second circumferential surfaces and a sealing projection extending radially from the first circumferential surface. The projection has a frustoconical primary sealing surface with first and second axial ends and an axial length between the first and second ends. The projection is sealingly engageable with the inner surface of the outer member when the seal body is coupled with the inner member, such that substantially the entire axial length of the primary sealing surface is disposed against the inner surface of the outer member. Alternatively, the projection is sealingly engageable with the outer surface of the inner member when the seal body is coupled with the outer member, such that substantially the entire axial length of the primary sealing surface is disposed against the outer surface of the inner member.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: February 28, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Robert D. Pecak, Daniel J. Levy, Timothy Patterson
  • Patent number: 11592110
    Abstract: A seal assembly includes an outer annular case disposed within and coupled with a rotatable outer member to be angularly displace about a central axis. An annular flexible seal is disposed within and coupled with the case to angularly displace about the central axis when the outer member rotates about the axis. The flexible seal has elastomeric sealing lip(s) engageable with an outer circumferential surface of the shaft or of a sleeve disposed about the shaft. An annular inner rigid seal is disposed within the outer case and has an inner end coupled with the shaft or the sleeve, the flexible seal being radially displaceable with respect to the inner rigid seal. An outer annular rigid seal is disposed about the inner seal and has an inner end sealing against the inner rigid seal. A biasing member biases the outer rigid seal against the inner rigid seal.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: February 28, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Gregory G. Gildea, Marco Erminio Panchetti, Alex Paykin, Thomas Schwarz, Hans-Joachim vom Stein
  • Patent number: 11592109
    Abstract: A bearing seal includes at least one first metal-plate element having an attachment region for attaching the first metal-plate element to a bearing inner ring, at least one seal element attached to the first metal-plate element, and at least one spring element configured to press at least one region of the seal element in a radially outward direction. Also a wheel bearing assembly including the bearing seal.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: February 28, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventor: Rico Dittmar
  • Patent number: 11585384
    Abstract: A bearing ring having a main part ring provided with at least one groove formed a surface of the main part ring. The bearing ring further provides at least one fiber sensor mounted inside the groove. The bearing ring also include at least one counterpart ring mounted into the groove of the main part ring and coming into contact with the fiber sensor to maintain the fiber sensor against a groove bottom, the counterpart ring being secured to the main part ring.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: February 21, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Yves-André Liverato, Olivier Verbe
  • Patent number: 11585373
    Abstract: A pulley device provides a pulley, and a bearing. The pulley has at least one C-shaped pulley part having an inner portion mounted on the bearing, an outer portion having an outer cylindrical surface dedicated to interact with a belt or a chain, and an intermediate portion extending substantially radially between axial ends of inner and outer portions on one axial side of pulley device. A grip surface portion is provided to one surface among the outer cylindrical surface of the outer ring and the inner cylindrical surface of the inner cylindrical portion of the pulley part, the grip surface portion including a plurality of indentations and recesses.
    Type: Grant
    Filed: January 20, 2020
    Date of Patent: February 21, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Benoît Hauvespre, Gwenael Hingouet, Kévin Lefort, Thomas Perrotin
  • Patent number: 11585379
    Abstract: A bearing provides a first ring and a second ring capable of rotating concentrically relative to one another, and at least one seal provided with at least one sealing lip. The bearing further includes a sealing module providing a carrier reversibly secured to the first ring, the seal being mounted radially into contact with the carrier, a friction ring reversibly secured to the second ring, the sealing lip of the seal coming into contact with the friction ring, and at least one spacing element axially interposed between the friction ring and the second ring.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: February 21, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Damien Barciet, Vincent Bredoire
  • Patent number: 11589430
    Abstract: An induction heating device having a control box, a magnetic core provided with at least one inductor fed with a current by a power electronics that is controlled by a control circuit, the power electronics and the control circuit being disposed in the control box, a removeable closing yoke for completing the magnetic circuit of the magnetic core, and a plurality of temperature sensors. A plurality of metal articles are simultaneously heated so as to each reach a target temperature and according to a heating cycle during which the temperatures sensors monitor the temperatures of the plurality of the metal articles so that each metal article is connected to a temperature sensor that is not connected to any other metal article.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: February 21, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Alberto Javier Herrera Caballero, Jens Kammann
  • Patent number: 11585385
    Abstract: The sensor bearing unit provides a bearing having an inner ring and an outer ring centered on an axis, the inner ring mounted on a shaft, and an impulse ring provided with a target holder and with a target mounted on the target holder, the target holder being secured to the inner ring. The target holder includes anti-rotation features adapted to cooperate with complementary anti-rotation features of the shaft so as to prevent angular movement of the impulse ring relative to the shaft by abutment in circumferential direction.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: February 21, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Gilles Ngningha, Jr., Eric Robert, Vincent Sausset, Charlotte Vu
  • Patent number: 11579042
    Abstract: The present invention provides a monitoring method for a plate billet crank flying shear process, including: acquiring a control signal of a control system of a crank flying shear device, and determining a cutting stage of the crank flying shear process according to the control signal; obtaining an actual cutting edge speed curve in the cutting stage, and further dividing the cutting stage into multiple sub-processes according to the actual cutting edge speed curve; obtaining actual data of a parameter related to the crank flying shear process, and for one or more of the multiple sub-processes, separately comparing the actual data of the parameter with typical data of the parameter, in order to estimate an abnormality risk.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: February 14, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Gang Cheng, Shibai Liao, Feng Lin
  • Patent number: 11579044
    Abstract: A method for performing bearing defect auto-detection provides an algorithm for processing condition monitoring data including vibration harmonics of at least one bearing coupled to a rotatable shaft, the bearing having an inner and an outer ring. The algorithm is used to confirm with high degree of confidence that a bearing defect is present or not.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: February 14, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Lukas Koeping, Allan Thomson, Maksym Boreiko
  • Patent number: 11578756
    Abstract: A gantry assembly includes a rotor rotatable about a central axis, a stator fixed with respect to the axis and a bearing inner ring connected with the rotor and having an outer circumferential surface providing a least one inner raceway and two opposing axial end. A bearing outer ring is disposed about the inner ring and has an inner circumferential surface providing at least one outer raceway, first and second axial ends, an annular recess extending axially inwardly from the first axial end, and a plurality of threaded mounting holes extending axially-inwardly from the recess and spaced circumferentially about the central axis. An annular damper is disposed within the recess and a plurality of threaded fasteners each extend from the stator, through the damper and into a separate one of the plurality of threaded mounting holes to connect the bearing outer ring with the stator.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: February 14, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: William D. Schmidt, Parveen K. Chandila
  • Patent number: 11553594
    Abstract: A condition monitoring device configured to be mounted on a machine for sensing, for example, vibrations produced by the machine during operation, includes a base, a printed circuit board assembly lying in a first plane, and first and second fasteners, each having a longitudinal axis, lying in a second plane perpendicular to the first plane, the first and second fasteners extending through the printed circuit board assembly and into the base. A third plane is perpendicular to the first and second planes and is located halfway between the longitudinal axes of the first and second fasteners. An integrated power supply is connected to the printed circuit board assembly, and at least two active sensing cells, such as vibration sensors, are arranged symmetrically relative to the second plane and/or symmetrically relative to the third plane.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: January 10, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Sylvain Chaussat, Jens Graf, Arnaud Pinon
  • Patent number: 11549556
    Abstract: A combined insulator and conductor assembly is for a bearing disposable between a shaft and a housing and includes an annular insulator disposeable about the bearing outer ring. The insulator is configured to prevent electric current flow between the outer ring and the housing and includes one or more axial mounting tabs. An electrical conductor has an outer radial end, an inner radial end and at least one retainer, the at least one retainer being engageable with the at least one mounting tab to releasably couple the conductor with the insulator. Each retainer includes a radially-extending prong engageable with a separate tab. The conductor outer radial end or/and a portion of the conductor between the outer and inner ends is conductively engageable with the housing and the conductor inner radial end being conductively engageable with the shaft so as to provide a conductive path between the shaft and the housing.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: January 10, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Nicolas Berruet, Paul Feliciano, Mathieu Hubert, Tommy Jullien, Gene A Kovacs, Thomas Perrotin, David Christopher Rybski, Anthony Simonin, Collin Snyder
  • Patent number: 11543326
    Abstract: The present disclosure provides a method and system for performing fault diagnosis by bearing noise detection. The method provides: collecting noise in bearing detection, the noise comprising bearing noise and operating condition noise; subjecting the collected noise to pre-processing, to obtain a first time domain signal and a second frequency domain signal; and inputting the first time domain signal and second frequency domain signal to a bearing fault diagnosis model. The bearing fault diagnosis model includes a characteristic extraction model and a fault discrimination model, the characteristic extraction model subjects the first time domain signal and second frequency domain signal to characteristic extraction separately to obtain a first characteristic associated with a time domain shock peak and a second characteristic associated with a fault frequency peak.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: January 3, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Gang Cheng, Linhui Liu
  • Patent number: 11541447
    Abstract: A method for manufacturing a bearing cage includes providing a bearing cage blank made from a metal plate, the cage blank including a cylindrical flange extending from a disk-shaped wall, punching a plurality of first openings through the cylindrical flange in a first direction to form a plurality of snap surfaces, and punching a plurality of second openings through the cylindrical wall in a second direction opposite the first direction to form a plurality of pockets. The second openings intersect at least two of the first openings, and punching the pockets removes a body of material from between the at least two of the first openings. Also a bearing cage formed by the method.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: January 3, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Berthold Beyfuss, Hans-Juergen Friedrich, Alfred Radina, Jonas Schierling, Maximilian Soellner, Stefan Volpert