Patents Assigned to SKF
  • SELF-ADJUSTING INSTRUMENTED BEARING AND MECHANICAL SYSTEM EQUIPPED WITH SUCH A BEARING
    Publication number: 20160319862
    Abstract: The present invention relates to a self-adjusting instrumented rolling bearing providing an outer ring and an inner ring delimiting a rolling chamber and at least one row of rolling elements disposed therein, and a detection device including a target integral with the outer ring and a sensor integral with the inner ring, configured to detect a relative rotation between the outer ring and the inner ring around a central axis. The outer ring has an inner surface in the form of a spherical portion centered about a tilting center of the bearing and forming a rolling surface for the rolling elements. The radius of the inner surface of the outer ring is greater than a distance defined between the tilting center of the bearing and a specific position of the sensor that is the farthest from the tilting center.
    Type: Application
    Filed: April 26, 2016
    Publication date: November 3, 2016
    Applicant: Aktiebolaget SKF
    Inventor: Francois Niarfeix
  • PROCESS FOR OBTAINING A MECHANICAL COMPONENT
    Publication number: 20160318119
    Abstract: A process for obtaining a mechanical component by joining a first metallic material and a second metallic material. The process comprises: (A) putting the first material and the second material in contact with each other, (B) fixating a sheet metal element onto the first material to at least partly enclosing the second material and so that the sheet metal element is at least partly in contact with the second material. The sheet metal element comprises carbon, joining the first material and the second material by diffusion welding. The carbon activity of the second material Ca2 and the carbon activity of the sheet metal element Cam at the temperature of joining fulfills a relation Ca2?Cam.
    Type: Application
    Filed: April 7, 2014
    Publication date: November 3, 2016
    Applicant: Aktiebolaget SKF
    Inventor: Ingemar STRANDELL
  • ROTARY MACHINE
    Publication number: 20160322882
    Abstract: This rotary machine includes a shaft and a housing. The shaft is rotatable with respect to the housing thanks to at least one axial magnetic bearing including a magnetic thrust disc coupled in rotation to the shaft (3) and magnetic actuators fixed to the housing and located axially around the magnetic thrust disc. This rotary machine includes a magnetically insulating insert mounted between the magnetic thrust disc and the shaft so that there is no contact between the magnetic thrust disc and the shaft.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 3, 2016
    Applicant: SKF Magnetic Mechatronics
    Inventor: Eduardo Carrasco
  • ASSEMBLY PROCEDURE OF A BEARING UNIT - HUB FLANGE
    Publication number: 20160319875
    Abstract: A procedure for mounting a hub bearing assembly including a rotatable hub, and a bearing unit having a stationary radially outer ring, and two rolling bodies disposed between the radially outer ring and the hub, and executing the steps of hammering a first seal on the hub, mounting a cage on the seal seat, providing the outer ring assembly in axially offset manner relative to the hub, mounting the rolling bodies axially externally from the axially inner side, combining the hub to the outer ring, positioning the outer ring inclination at a predetermined angle, mounting the rolling bodies from the axially inner side, aligning the hub to the radially outer ring, snap insertion of the cage, on rolling bodies from the axially outer side and the cage, on rolling bodies from the axially inner side, hammering a second seal on its seat, from the axially inner side.
    Type: Application
    Filed: April 26, 2016
    Publication date: November 3, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Laura Sguotti, Gabriele Bonifetto, Flavio Franza, Luca Tedeschini
  • METHOD OF JOINING TWO MATERIALS BY DIFFUSION WELDING
    Publication number: 20160318118
    Abstract: A method to join a first material and a second material by diffusion welding, wherein a third material is put in between the first material and the second material during the joining process.
    Type: Application
    Filed: April 7, 2014
    Publication date: November 3, 2016
    Applicant: AKTIEBOLAGET SKF
    Inventor: Ingemar STRANDELL
  • SELF ADJUSTING INSTRUMENTED BEARING AND MECHANICAL SYSTEM EQUIPPED WITH SUCH A BEARING
    Publication number: 20160319863
    Abstract: The present invention relates to a self adjusting instrumented rolling bearing having an outer ring and an inner ring delimiting a rolling chamber and at least one row of rolling elements disposed therein, and a detection device including a sensor integral with the outer ring and a target integral with the inner ring, configured to detect a relative rotation between the outer ring and the inner ring around a central axis. The outer ring has an inner surface in the form of a spherical portion centered about a tilting center of the bearing and forming a rolling surface for the rolling elements. The radius of the inner surface of the outer ring is greater than a distance defined between the tilting center of the bearing and a specific position of the target that is the farthest from the tilting center.
    Type: Application
    Filed: April 26, 2016
    Publication date: November 3, 2016
    Applicant: Aktiebolaget SKF
    Inventor: Francois Niarfeix
  • ASSEMBLY PROCEDURE OF A BEARING UNIT - HUB FLANGE
    Publication number: 20160319876
    Abstract: A procedure for mounting of a hub bearing assembly having a rotatable hub, and a bearing unit having a stationary radially outer ring, and two bodies rolling crowns disposed between the radially outer ring and the hub. The assembly process involves the following steps: a) pressing-fit a first seal on the hub, b) mounting an axially external cage and the axially outside rolling bodies, in correspondence with a track of the axially outer hub, c) the radially outer ring assembly and inclination of the same outer ring of a predetermined angle with respect to the hub, d) mounting of the axially interior rolling bodies in correspondence with a track of the axially inner hub, and the radially outer ring alignment to the hub, f) snap insertion of the axially internal cage on rolling bodies and g) the pressing-fit a second axially internal sealing means on its seat.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 3, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Andrea Serafini, Flavio Franza, Laura Sguotti
  • Sensor unit for sensing an angular position of a rotating element with respect to a fixed element and bearing assembly comprising such a sensor unit
    Patent number: 9482557
    Abstract: A sensor unit for sensing the angular position of a rotating element with respect to a fixed element includes a target fastened to the rotating element and a given number of sensing cells. Each sensing cell is connected to a connection device adapted to provide power supply, transmit data delivered by the sensing cells and connect each sensing cell to the ground. The sensor unit provides an output connector for electrically connecting the sensor unit to a reception device, a power supply system and the ground, via a connection cable having at least two connection wires. The connector includes, for each wire of the connection cable, a connection pin having a clamp portion adapted to receive an end of the wire, and a plug portion adapted to make a pressing contact with the connection device.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: November 1, 2016
    Assignee: AKTIEBOLAGET SKF
    Inventors: Susanne Blokland, Stephane Moisy, Vincent Sausset
  • Railway axlebox assembly and railway axlebox including the same
    Patent number: 9481379
    Abstract: A railway axlebox assembly including a bearing including an inner ring adapted to be mounted on a shaft with an axial preload and an outer ring adapted to be mounted in a housing, a backing ring delivering axial support of the inner ring on an inner end portion of the shaft is provided. The assembly includes a seal that is disposed between the backing ring and the inner end portion of the housing. The sealing includes an elastomeric sealing lip bearing with a frictional contact on a sealing surface provided on the backing ring.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: November 1, 2016
    Assignee: AKTIEBOLAGET SKF
    Inventors: Arnaud Turmeau, Laurent Paulin
  • Bearing
    Patent number: 9482284
    Abstract: A bearing includes at least an inner ring, an outer ring, and rolling bodies arranged between the inner and outer rings, one of the rings being designed to turn and the fixed, and one of the rings including an inducing element is designed to generate an inducing electromagnetic field, the other of the rings including an electrical circuit in which an induced current is generated when one of the rings turns in relation to the other of the rings, and when the inducing element generates an inducing electromagnetic field, wherein the inducing element designed to generate an inducing electromagnetic field includes a module having a piezoelectric effect and/or a module having a thermoelectric effect.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: November 1, 2016
    Assignee: AKTIEBOLAGET SKF
    Inventor: Yoann Hebrard
  • Spacer for rolling bearing, notably used in a wind turbine
    Patent number: 9482279
    Abstract: The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of angular contact rollers disposed between raceways and guiding faces provided on the rings. The spacer comprises opposite inner and outer parts 13, 14 and opposite lateral flanges 15, 16 respectively adapted to come into contact with the raceways and the guiding faces of the rings. Said inner and outer parts and/or said lateral flanges comprise at least a contact surface 14a, 14b; 16a with one of the rings and a concave recess 14c; 16b, 16c, 16d directed outwards towards said ring.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: November 1, 2016
    Assignee: AKTIEBOLAGET SKF
    Inventors: Pascal Ovize, Jean-Baptiste Magny
  • ROLLING-ELEMENT BEARING, HIGH SPEED BEARING AND COMPRESSOR
    Publication number: 20160312823
    Abstract: Embodiments relate to a rolling-element bearing comprising at least one outer ring (2) and at least one inner ring (3). Between the same a plurality of rolling elements (4) are arranged to support the inner ring (3) rotatably with respect to the outer ring (2). The outer ring (3) comprises at least one raceway (5, 7) more for the plurality of rolling elements (4) than the inner ring (3).
    Type: Application
    Filed: April 21, 2016
    Publication date: October 27, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Tom De Rooster, Rudolf Hauleitner
  • WORK PACKAGE MANAGEMENT
    Publication number: 20160313722
    Abstract: A work package management system and method for servicing equipment assets for a plurality of clients. The work package management system and method can include one or more work packages that can be accessed by a service agent through an associated data device. The work package management system can be configured to provide work packages that are applicable to the individual service agent. The work package management system can be configured to provide work packages that are based on the location of the data device.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 27, 2016
    Applicant: AKTIEBOLAGET SKF
    Inventor: Alexander Pinkerton
  • A MACHINE FOR GRINDING A WORK-PIECE CUSTOMIZED BY ADDITIVE MANUFACTURING
    Publication number: 20160311022
    Abstract: The invention provides a machine for grinding a work-piece using a grinding tool. The machine comprises a motor for rotating a spindle having a work-piece holder for holding the work-piece. The machine further provides a tool post for mounting and maneuvering the grinding tool relative to the work-piece. The machine includes a print system for printing printable material to the work-piece via additive manufacturing. The printed material may be used to customize a shape of the work-piece after the work-piece has been grinded or turned in the machine. This combination allows for a reduced machine footprint and increased product accuracy.
    Type: Application
    Filed: December 18, 2014
    Publication date: October 27, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Philipp Krebs, Sebastian Ziegler
  • CAM FOLLOWER, INJECTION PUMP AND VALVE ACTUATOR COMPRISING SUCH A CAM FOLLOWER, AND MANUFACTURING METHOD
    Publication number: 20160312665
    Abstract: The invention concerns a cam follower providing a tappet having a cylindrical outer surface centered on a longitudinal axis (Y1) and adapted to slide in a housing surrounding the tappet, a pin extending between two opposite ends along a transverse axis (X1) perpendicular to the longitudinal axis, and a roller element movable in rotation relative to the pin around the transverse axis and adapted to roll on a cam. The tappet is made of a composite material integrating at least one dry lubricant released at the cylindrical outer surface when the cam follower is in operation. The invention also concerns a valve actuator for a motor vehicle, providing such a cam follower. The invention also concerns a method for manufacturing such a cam follower.
    Type: Application
    Filed: April 20, 2016
    Publication date: October 27, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Guillaume Jouanno, Nicolas Berruet, François Champalou, Benoît Hauvespre, Samuel Viault
  • SYSTEMS AND METHODS FOR SECURING REMOTE CONFIGURATION
    Publication number: 20160315812
    Abstract: A system and method for securing remote configurations. The system and method can include, receiving configuration payloads as publications from a messaging service. The system and method can also include transmitting validation requests based on received configuration payloads, receiving indications of whether the configuration payloads are valid or invalid, and transmitting an alert based on receiving an indication that a configuration payload is invalid.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 27, 2016
    Applicant: AKTIEBOLAGET SKF
    Inventor: Alexander Pinkerton
  • BEARING EQUIPPED WITH AN AXIAL DISPLACEMENT DETECTING DEVICE
    Publication number: 20160312835
    Abstract: A bearing providing at least an inner ring and an outer ring adapted to concentrically rotate with respect to one another, equipped with at least one embedded device for the detection of a displacement in translation of the rings relative to each other, the detection device including a linear encoder element mounted on one of the rings, and a sensor element mounted on the other ring and opposite the encoder element.
    Type: Application
    Filed: April 22, 2016
    Publication date: October 27, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Michel Nicolas, Arnaud Guerard
  • BEARING COMPONENT PART, BEARING COMPONENT AND PROCESS FOR MANUFACTURING A BEARING COMPONENT
    Publication number: 20160312831
    Abstract: A bearing component part, a bearing component and a process for manufacturing the bearing component. The bearing component part comprises at least one circumferential peripheral surface, wherein the circumferential peripheral surface presents at least one groove extending along at least a part of the circumference of the peripheral surface, wherein the groove is arranged to receive a second material, the peripheral surface further presenting a first and a second portion located on opposite sides of the at least one groove along the circumference of the peripheral surface, wherein the bearing component part comprises a weldable metallic material.
    Type: Application
    Filed: April 7, 2014
    Publication date: October 27, 2016
    Applicant: Aktiebolaget SKF
    Inventor: Ingemar STRANDELL
  • BEARING ASSEMBLY
    Publication number: 20160312833
    Abstract: A bearing assembly includes a bearing for supporting a first machine part relative to a second machine part, a seal assembly configured to seal a first space in a region of the bearing relative to a second space, a pressure equalization passage fluidically connecting the first space and the second space, a valve configured to open and close the pressure equalization passage, and a controller configured to control the valve.
    Type: Application
    Filed: December 18, 2014
    Publication date: October 27, 2016
    Applicant: Aktiebolaget SKF
    Inventors: Baozhu Liang, Jesko-Henning Tanke
  • VISCOSITY ESTIMATION FROM DEMODULATED ACOUSTIC EMISSION
    Publication number: 20160313228
    Abstract: A process for estimating the lubricant viscosity in a bearing comprises the steps of: monitoring acoustic emissions from the bearing with an acoustic emission sensor; monitoring the bearing for at least one of speed, load and temperature; demodulating the acoustic emission signal from the acoustic emission sensor; calculating the root mean square values of the demodulated acoustic emission signal and storing the calculated root mean square values; aligning the root mean square values with values of one or more of speed, load and temperature and storing the aligned values; using the aligned root mean square values, and at least one of speed, load and temperature in a model which calculates viscosity and/or viscosity ratio from the aligned values.
    Type: Application
    Filed: December 15, 2013
    Publication date: October 27, 2016
    Applicant: Aktiebolaget SKF
    Inventor: Allan Thomson