Patents Assigned to Aktiebolaget SKF
  • Unitized radial fluid seal
    Patent number: 9163730
    Abstract: A unitized radial fluid seal includes a shell having a first elastomeric seal body affixed thereto and defining a primary seal lip. A sleeve includes a substantially cylindrical, axially-extending sealing flange and a protective flange extending substantially radially from the axially-extending sealing flange. A spring radially urges the primary seal lip into sealing contact with a sealing surface of the axially-extending sealing flange. A second elastomeric seal body is affixed to the sleeve and includes a resiliently-elastic angled lip extending from a terminal end of the axially-extending sealing flange opposite of the radially-extending protective flange. The sealing surface and an axially-outward facing surface of the angled lip define an angle (?) that is between about 130-170°. The primary seal lip is axially retained between the angled lip and the radially-extending protective flange.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: October 20, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Linas Maskaliunas, Bret Thomas Dana
  • LIFTING COLUMN
    Publication number: 20150290058
    Abstract: A lifting column includes first and second lifting column components, one slidably receivable in the other, each having mutually facing guide surfaces. The first lifting column component has first and second openings in its guide surface, and first and second guide components mounted in these openings. Each of the guide components includes an attachment structure that projects into one of the first and second openings and a substantially planar guide section connected to the attachment structure that overlies a guide surface of the first lifting component and that is configured to abut on the guide surface of the second lifting column component. The first and second guide components are configured such that they are in contact with each other when the attachment structures are mounted the openings.
    Type: Application
    Filed: April 11, 2014
    Publication date: October 15, 2015
    Applicant: Aktiebolaget SKF
    Inventor: Hans Peter Panzer
  • PULLEY DEVICE FOR BELT OR CHAIN, MANUFACTURING PROCESS OF AN HOLLOW SHAFT FOR SUCH A DEVICE AND ASSEMBLY PROCESS OF SUCH A DEVICE
    Publication number: 20150292603
    Abstract: A pulley device for a belt or chain, the pulley device comprising a bearing provided with an external ring, an internal ring, and at least one row of rolling elements mounted in a bearing chamber defined between the external and internal rings. A pulley is secured in rotation with the external ring and provided with an external radial surface for engaging with a belt or chain. Also included is at least one hollow shaft able to receive a screw for mounting the pulley device on a support. The hollow shaft forming a structural unit comprising a bushing, a flange secured to the bushing, and which extends, from the bushing, radially outwards, respective to a central axis of the hollow shaft, as far as the bearing chamber. The flange is formed with a washer and an endplate, while the washer is radially located between the bushing and the endplate.
    Type: Application
    Filed: April 8, 2015
    Publication date: October 15, 2015
    Applicant: AKTIEBOLAGET SKF
    Inventors: Laurent CHERIOUX, Mikael LASSERRE, Alain LLOZE, Pascal MAUROY, Thierry PROUTEAU
  • Mechanical system comprising a one-way clutch and alternator comprising such a system
    Patent number: 9157493
    Abstract: The present invention relates to a mechanical system with a one-way clutch, for example a pulley for a motor vehicle alternator, comprising a first element and a second element which are able to move one with respect to the other in rotation about a central axis and delimit an annular housing radially to the central axis, a one-way clutch device arranged in the annular housing, and at least one rolling bearing arranged in the annular housing. The mechanical system is characterized in that the rolling bearing is an angular-contact bearing and comprises at least one pressed ring comprising means of attachment of the rolling bearing to the first element or the second element. The invention also relates to an alternator comprising such a mechanical system configured as a pulley with a one-way clutch.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: October 13, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Ludovic Fenayon, Alain Gezault, Jean-Marie Guegan, Torbjorn Hedman, Jean-Luc Jadeau, Romuald Lescorail, Yves-André Liverato, Herve Maury
  • Method for producing a sensor unit, sensor unit and instrumented bearing comprising such a sensor unit
    Patent number: 9157725
    Abstract: A method of producing a sensor unit for sensing the angular position of a rotatable element with respect to a fixed element, providing an encoder element fastened to the rotatable element, adapted to generate magnetic field variations as a function of its angular position, and a sensing element fastened to the fixed element, adapted to sense the magnetic field variations. The sensing element is mounted on and connected to a printed circuit board mounted in a shielding casing fastened with the fixed element. The method further comprises a step consisting in earthing the shielding casing by electrically connecting it to a load discharging device of the printed circuit board.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: October 13, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Francois Niarfeix, Gertjan van Amerongen
  • Method of forming a frontal toothing on an inner ring of a wheel hub, upset collar and wheel hub with frontal toothing thus obtained
    Patent number: 9156311
    Abstract: A method including the steps of forming an inner ring of a wheel hub, by joining a spindle and an insert ring fitted onto the spindle, on the side of a first end of the spindle; axially blocking the insert ring on the spindle by plastically deforming the first end of the spindle so as to form an upset collar therewith, which axially protrudes from the insert ring; and once the step of forming the upset collar has finished, frontally obtaining a frontal toothing; the finished collar has, in the part of the collar which axially protrudes from the ring, a predetermined geometric shape which substantially defines, in the radial section, a scalene triangle having the base facing the upset ring and the vertex opposite the base rounded in shape.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: October 13, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Alessandro Ferrero, Fulvio Nicastri, Davide Antonio Olivieri
  • POWERTRAIN ASSEMBLY AND VEHICLE COMPRISING THE SAME
    Publication number: 20150283893
    Abstract: A powertrain assembly for creating a torque transmission path between an internal combustion engine and a rotor of a reversible electric machine and to a vehicle comprising such a powertrain assembly. The powertrain assembly includes a freewheel in the torque transmission path.
    Type: Application
    Filed: April 7, 2015
    Publication date: October 8, 2015
    Applicant: AKTIEBOLAGET SKF
    Inventor: Michel DESCOMBES
  • ROLLER BEARING WITH MODULAR SHOULDERS
    Publication number: 20150285307
    Abstract: A rolling bearing is provided that includes an outer ring, an inner ring, and a plurality of rollers disposed between the outer and inner rings to engage a radially outer lateral surface of the inner ring and a radially inner lateral surface of the outer ring and being laterally held, in a direction parallel to a relative rotation axis (A) between the rings, by respective axial shoulders. The axial shoulders each consist of an annular element made of synthetic plastic material as an independent element from the rings that engages in a snapping manner either the inner ring or the outer ring; the inner and outer rings being provided, at their respective radially outer and inner lateral surfaces and at opposite axial ends thereof, with snapping locking seats for the annular elements made of synthetic plastic material each including a continuous annular groove.
    Type: Application
    Filed: April 2, 2015
    Publication date: October 8, 2015
    Applicant: AKTIEBOLAGET SKF
    Inventors: Roberto Mola, Riccardo Restivo, Piero Santangelo, Gianpiero Scaltriti
  • AXLEBOX ASSEMBLY
    Publication number: 20150284013
    Abstract: An axlebox assembly having at least one rolling bearing designed to be mounted on an axle, and a cover designed to be fastened with the axle such as to axially maintain the at least one rolling bearing between the cover and an abutment of the axle is provided. A backing ring is mounted on the axle between the at least one rolling bearing and the abutment. The backing ring includes a deformable portion so as to substantially fit the shape of the abutment of the axle.
    Type: Application
    Filed: April 3, 2014
    Publication date: October 8, 2015
    Applicant: Aktiebolaget SKF
    Inventors: Thierry LE MOIGNE, Arnaud Turmeau
  • Machine assembly
    Patent number: 9151329
    Abstract: A machine assembly includes a housing in which a shaft element is rotatably supported by a bearing assembly, the bearing assembly including two tapered roller bearings which are preloadable against each other and having at least one bearing outer ring and first and second bearing inner rings. The first bearing inner ring includes, in one of its axial end regions, a sleeve-shaped extension formed directly from the material of the first bearing inner ring, which sleeve-shaped extension directly contacts an end side of the second bearing inner ring.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: October 6, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventor: Padelis Katsaros
  • Equipment for forming a frontal toothing, in particular on an inner ring of a wheel hub
    Patent number: 9149855
    Abstract: An apparatus including rigid plate having a first face and a second face, a plurality of through seats arranged as a circular crown about an axis of symmetry (A), perpendicular to each seat and shaped as a circular crown segment; a plurality of knives carried by the plate, each being axially slidingly guided into a seat, independently of the other knives; each knife has a head which protrudes from the seat from the side of the first face, a prismatic body having an axial length greater than the seat, and a wedge-shaped end, opposite to the head, which protrudes from the second face when the head substantially abuts against the first face; the wedge-shaped ends circumferentially having a first profile, complementary to that of the frontal toothing to be obtained, and the knives can be replaced totally or partially with others having a second profile different from the first profile.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: October 6, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Domenico Bosco, Davide Antonio Olivieri, Marcello Rossi, Cengiz Shevket
  • Labyrinth seal having labyrinth rings with different wear resistances
    Patent number: 9151391
    Abstract: A labyrinth seal includes a first labyrinth ring and a second labyrinth ring. In an installed state of the labyrinth seal, the first labyrinth ring and the second labyrinth ring engage in each other in an at least partially overlapping manner and are rotatable relative to each other. Furthermore, in the installed state, mutually-opposing surfaces of the first and of the second labyrinth ring have different wear resistances.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: October 6, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Andreas Kern-Trautmann, Mathias Seuberling
  • MODULE
    Publication number: 20150282335
    Abstract: A module includes a first partial housing and a second partial housing, wherein the first partial housing and the second partial housing together form a recess, a circuit board disposed in the recess; and an encapsulation mass, which closes the recess. A material from which the first partial housing is manufactured and a material from which the second partial housing is manufactured have a difference in thermal expansion coefficients that is at most 10% of the largest value of the two thermal expansion coefficients, the first partial housing includes a sealing structure and the second partial housing includes a counter-sealing structure, and at least one of the sealing structure and the counter-sealing structure is configured to extend into the other of the sealing structure and the counter-sealing structure.
    Type: Application
    Filed: March 30, 2015
    Publication date: October 1, 2015
    Applicant: Aktiebolaget SKF
    Inventors: Johannes Biegner, Jens Graf, Laurens Verhulst
  • MODULE FOR DETECTING A VIBRATIONAL BEHAVIOR OF A MECHANICAL COMPONENT
    Publication number: 20150276556
    Abstract: A module for detecting a vibrational behavior of a mechanical component includes an attachment component configured to be rigidly mechanically connected to the mechanical component in order to absorb a mechanical vibration of the mechanical component, a circuit board including a circuit, the circuit board being configured to detect the mechanical vibration of the mechanical component and, based on the detected vibration, to wirelessly transmit a signal indicative of the vibrational behavior, and at least one spacer mechanically connecting the circuit board to the attachment component such that the mechanical vibration is transferable from the attachment component to the circuit board.
    Type: Application
    Filed: March 30, 2015
    Publication date: October 1, 2015
    Applicant: Aktiebolaget SKF
    Inventors: Johannes Biegner, Jens Graf, Laurens Verhulst
  • ROLLING BEARING COMPRISING AT LEAST ONE MULTIPART RING, NOTABLY FOR A WIND TURBINE, AND ASSOCIATED MOUNTING METHOD
    Publication number: 20150275971
    Abstract: The rolling bearing provides an inner ring 14, an outer ring 16 and a plurality of rows of rolling elements 18, 20 each arranged between the raceways which are arranged on the rings, the number of rows of rolling elements Nrows being in excess of or equal to two. At least one of the inner and outer rings 14, 16 includes a plurality of part rings 30, 32, 34 which are mounted bearing axially against one another. The number of part rings Nrings is defined by Nrings?Nrows+1.
    Type: Application
    Filed: March 25, 2014
    Publication date: October 1, 2015
    Applicant: Aktiebolaget SKF
    Inventors: Cyril BOURON, Jean-Baptiste Magny, Pascal Qvize
  • MODULE FOR DETECTING A PHYSICAL VALUE OF A GASEOUS MEDIUM
    Publication number: 20150273956
    Abstract: A module for detecting a physical value of a gaseous medium includes a discrete component including a detection section on a surface, the discrete component being configured to detect the physical value of the gaseous medium that acts on the detection section, a supply-line component configured to introduce the gaseous medium to the detection section, a seal in contact with the supply-line component and the surface of the discrete component and configured to fluidly seal the detection section on the surface of the discrete component. The seal includes a seal lip configured to enclose the detection section such that the seal forms a sealing space, the sealing space including the detection section and being separated from an external space by the seal.
    Type: Application
    Filed: March 30, 2015
    Publication date: October 1, 2015
    Applicant: Aktiebolaget SKF
    Inventors: Johannes Biegner, Jens Graf, Laurens Verhulst
  • ROLLER SCREW
    Publication number: 20150276030
    Abstract: A roller screw mechanism provided with a screw having an external thread, a nut surrounding and coaxial with the screw, the nut including an internal thread, two gear wheels mounted in a non-threaded part of the nut, each gear wheel providing a first set of teeth having a plurality of internal teeth, and a plurality of rollers radially located between the screw and the nut, each roller having an external thread designed to engage the external and internal threads of the screw and the nut, and axially at each end a first set of teeth having a plurality of gear teeth designed to engage with the internal gear teeth of the gear wheels. The outer diameter of the gear teeth of each roller is less or equal to the diameter of the thread root of the external thread of the roller.
    Type: Application
    Filed: March 25, 2014
    Publication date: October 1, 2015
    Applicant: Aktiebolaget SKF
    Inventors: Folly Abevi, Eric Allegri
  • SPACER FOR ROLLING BEARING HAVING AT LEAST A REINFORCING BEAM
    Publication number: 20150275969
    Abstract: The spacer is adapted for a rolling bearing comprising an inner ring, an outer ring and at least one row of contact rollers disposed between raceways provided on the rings. The spacer comprises opposite first and second portions 11, 12 facing one another and at least a first lateral portion 13 extending transversally between the first and second portions and connected to the portions. The first and second portions and the first lateral portion delimit at least partly a pocket 14 laterally open on the side opposite to the lateral portion 13 and configured to receive at least a contact roller. The first and second portions each comprise an inner contact surface 11a, 12a with an end face of the roller. The spacer further comprises at least one reinforcing beam 16, 17 extending transversally between the first and second portions and connected to the portions.
    Type: Application
    Filed: March 25, 2014
    Publication date: October 1, 2015
    Applicant: Aktiebolaget SKF
    Inventors: Cyril Bouron, Jean-Baptiste Magny, Pascal Ovize, Pascal Vioux
  • Alignment head system
    Patent number: 9146098
    Abstract: An alignment head system (1, 31) for taking alignment data with respect to a pair of shafts (4, 5) coupled to each other by means of a coupling (6) comprises a data acquisition device (11) configured to wirelessly receive data, and alignment heads (2, 3). Each alignment head (2, 3) is configured to take alignment data with respect to the shafts (4, 5), to wirelessly send the alignment data to the data acquisition device (11), and to forward alignment data received from the other alignment head (2, 3).
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: September 29, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventor: Mark David Sansom
  • Metering device, lubricating device and method for dispensing a predetermined amount of lubricant
    Patent number: 9146006
    Abstract: A metering device for dispensing a predetermined amount of lubricant includes a lubricant reservoir, which retains a lubricant and dispenses it under pressure via an outlet of the lubricant reservoir, and a metering apparatus, which comprises at least one microvalve. The microvalve is fluidly coupled with the outlet of the lubricant reservoir and dispenses the predetermined amount of lubricant in a defined manner. The metering apparatus is spatially separable from the lubricant reservoir.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: September 29, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Jürgen Kreutzkämper, Hans-Dieter Nelson, Fabian Schmidt, Jörg Schwartz