Patents Assigned to SKF
  • Publication number: 20060027975
    Abstract: A seal (1) for rolling-contact bearings, the seal (1) being mounted between an outer race (4) and an inner race (3) of the bearing (2), and being provided with a first shield (20) fitted on the inner race (3), with a second shield (30) fitted on the outer race (4), and with a single lip seal fixed to the second shield (30) and set in sliding contact with the first shield (20); the first shield (20) having a contact wall (22) with a toroidal shape set up against the sealing lip (40), which is in turn provided with at least two contacting annular portions (42, 44) acting in substantially opposite radial directions, and with a cove of separation (43) between the at least two contacting portions (42, 44), which is elastically deformable to increase a contacting action of the contacting portions (42, 44) themselves on the contact wall (22).
    Type: Application
    Filed: July 19, 2005
    Publication date: February 9, 2006
    Applicant: Aktiebolaget SKF
    Inventors: Angelo Vignotto, Claudio Savarese, Domenico Bosco
  • Publication number: 20060029315
    Abstract: Connection device (100) for connecting a contact rolling bearing (1) to an external body (7), the connection device (100) presenting a peripheral connecting outline (5), which is obtained around a race (3) of the contact rolling bearing, and a complementary connecting outline (6), which is obtained inside the external body (7), and which presents a shape such as to complement the connecting peripheral outline (5) in order to render angularly integral in relation to each other the external body (7) and the first race (3), the connecting peripheral outline (5) and the complementary connecting outline (6) both presenting a radius (R) which is of variable angular dimensions with continuity on a plane which is transverse to the rotation axis (A), and are both provided, in relation to the rotation axis A, with at least one respective convex portion (51).
    Type: Application
    Filed: May 11, 2005
    Publication date: February 9, 2006
    Applicants: AKTIEBOLAGET SKF, MINGANTI INTERNATIONAL LTD
    Inventors: Jean-Gerard Loustanau, Domenico Ducci, Marcus Caldana
  • Publication number: 20060022514
    Abstract: Connection device (10) for connecting a rim (20) to a wheel hub (30) presenting a peripheral connecting outline (11), which is integral with a support body (31) of the wheel hub (30), and a complementary connecting outline (12), which is obtained circumferentially along a mounting border (25) of the rim (20), and which presents a shape which is complementary to the peripheral connecting outline (11) in order to render angularly integral in relation to each other the rim (20) of the wheel hub (30); the peripheral connecting outline (11) and the complementary connecting outline (12) both presenting a radius (R) of angularly variable dimensions with continuity on a plane with is transverse to the rotation axis (A), and are both provided with at least one respective convex portion (13) (14) in relation to the rotation axis (A).
    Type: Application
    Filed: May 11, 2005
    Publication date: February 2, 2006
    Applicants: AKTIEBOLAGET SKF, MINGANTI INTERNATIONAL LTD
    Inventors: Jean-Gerard Loustanau, Andrea Griseri, Marcus Caldana
  • Publication number: 20060024130
    Abstract: Described herein is an apparatus for machining elements for axial couplings for mechanical connection, with non-circular cross section, which comprises: a work spindle fitted on the shaft of appropriate means for actuation in rotation; a tool guided by appropriate means in the displacements both along the axis perpendicular to that of rotation of the spindle and along the axis parallel to that of rotation of the spindle; means for actuation of the displacements of said tool on said guide means; and a central control unit connected to said displacement means of said tool and to said means for actuation in rotation of said spindle, capable, via an appropriate program, of supervising turning of the side coupling surface of said elements for axial couplings for angular connection.
    Type: Application
    Filed: May 11, 2005
    Publication date: February 2, 2006
    Applicants: AKTIEBOLAGET SKF, MINGANTI INTERNATIONAL LTD
    Inventors: Jean-Gerard Loustanau, Marcus Caldana
  • Publication number: 20060023983
    Abstract: Connection device for a rolling contact bearing which is to be connected to a wheel hub, the connection device being suitable for connecting an inner race of the bearing to a cylindrical body of the wheel hub, and presenting a peripheral connecting outline which is obtained around the cylindrical body of the wheel hub, and a complementary connecting outline which is obtained inside the inner race, and is of a shape which complements the peripheral outline in order to render angularly integral in relation to each other the inner race and the cylindrical body; the two outlines both presenting a radius (R) of variable angular dimensions with continuity on a plane which is transverse to a rotation axis (A) of the bearing, and being both provided, in relation to the rotation axis (A), with at least one convex portion.
    Type: Application
    Filed: May 11, 2005
    Publication date: February 2, 2006
    Applicants: AKTIEBOLAGET SKF, MINGANTI INTERNATIONAL LTD
    Inventors: Jean-Gerard Loustanau, Angelo Vignotto, Marcus Caldana
  • Publication number: 20060019757
    Abstract: The unit comprises a homokinetic joint (1) a hub (3) which can rotate around a rotation axis (x) and has an axially projecting spindle (5), and an intermediate race (4) which is fixed onto the spindle (5) in order to rotate with the homokinetic joint and transmit a driving torque of the joint (1) to the hub (3). The intermediate race (4) and the joint (1) are coupled in such a way as to rotate together around the axis (x) by means of respective interface surfaces (26, 27) which have corresponding lobed, oval or spiral shapes on a plane which is perpendicular to the rotation axis (x).
    Type: Application
    Filed: May 11, 2005
    Publication date: January 26, 2006
    Applicants: AKTIEBOLAGET SKF, MINGANTI INTERNATIONAL LTD
    Inventors: Marco Brunetti, Angelo Vignotto, Marcus Caldana
  • Publication number: 20060019758
    Abstract: Homokinetic joint for a wheel hub, the homokinetic joint being able to be coupled in rotation to a spindle of the relative wheel hub in order to rotate around a rotation axis (A), and being provided with a coupling end which is inserted inside an axial passing housing of the spindle, and with a coupling device, which is suitable for transmitting a torque moment between the homokinetic joint and the wheel hub, and which presents two connecting outlines, which are obtained around the coupling end and, respectively, inside the axial housing; and presenting a shape which is complementary in relation to each other, and a radius (R) of angularly variable dimensions with continuity on a plane which is transverse to the rotation axis (A); the two connecting outlines being both provided, in relation to the rotation axis (A), with at least one convex portion.
    Type: Application
    Filed: May 11, 2005
    Publication date: January 26, 2006
    Applicants: AKTIEBOLAGET SKF, MINGANTI INTERNATIONAL LTD
    Inventors: Jean-Gerard Loustanau, Domenico Ducci, Marcus Caldana
  • Patent number: 6984071
    Abstract: An instrumented antifriction bearing, for control wheel, includes an outer part (1), an inner part (8), one rotating and the other non-rotating, a row of rolling elements (12) arranged between the rotating and non-rotating parts, and elements for detecting rotation parameters. The rotating part is provided at one of its axial ends with elements for fixing and angularly linking the rotating part on a control wheel, the non-rotating part comprising a radial surface (3a) provided with elements for being fixed on a support.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: January 10, 2006
    Assignee: SKF France
    Inventor: Franck Landrieve
  • Patent number: 6984072
    Abstract: An instrumented bearing, in particular for an electric steering wheel (12), comprises an outer element (1) and an inner element (6) whereof one is mobile relative to the other which is fixed, via at least a row of rolling elements (14) arranged between the elements, and by detection (22, 23, 31) of rotational parameters of the rotating element. The bearing further comprises electronic elements (34) for processing signals emitted by the detecting elements and electronic elements (35) for controlling at least an actuator electrically connected to the device, advantageously arranged on a printed circuit plate (33) fixed in rotation.
    Type: Grant
    Filed: October 30, 2001
    Date of Patent: January 10, 2006
    Assignee: Aktiebolaget SKF
    Inventor: Franck Landrieve
  • Patent number: 6978546
    Abstract: A method for producing ring members, such as rings for rolling bearings, through use of a rolling operation involves warming a ring blank, positioning the warmed ring blank over a mandrel which is rotatable about a first axis, and positioning a forming roll rotatable about a second axis aligned with the first axis so as to form a rolling gap with the mandrel, with a portion of the ring blank being positioned in the rolling gap. The forming roll is driven to rotate in one rotary direction while the mandrel is driven to rotate in a rotary direction opposed to the rotary direction of the forming roll. During rotation of the forming roll and the mandrel, the mandrel is urged towards the forming roll to reduce the size of the rolling gap and thereby reduce the thickness of the ring blank while also increasing its diameter.
    Type: Grant
    Filed: May 2, 2003
    Date of Patent: December 27, 2005
    Assignee: Aktiebolaget SKF
    Inventors: Göran Andersson, Lars Werner, Elido Schena
  • Patent number: 6979132
    Abstract: A cylindrical roller bearing includes an outer bearing ring, an inner bearing ring and cylindrical rollers located between the outer and inner bearing rings. One of the rings has side rims forming an axial stop for the cylindrical rollers. The bearing ring on which the side rims are not provided is formed with at least one groove outside the axial extension of the cylindrical rollers. A ring of spring-elastic material is positioned in the groove to form an axial stop for the cylindrical rollers. The periphery of the ring has no interruptions. To improve the running behavior of the cylindrical roller bearing, the ring possesses a V-shaped cross-section with two legs.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: December 27, 2005
    Assignee: AB SKF
    Inventors: Hans-Jürgen Friedrich, Bernhard Groschek, Torbjörn Hedman, Rut Heemskerk, Jürgen Stürzengerger, Alfred Weidinger
  • Patent number: 6976789
    Abstract: The device (B) comprises a first non-rotatable ring (11) to be mounted adjacent to a non-rotatable race (1) of a bearing unit (A), and a second rotatable ring (12) to be coupled fast for rotation with a rotatable race (2,3) of the bearing unit (A). A first air passage (13, 113) is formed through the first non-rotatable ring (11) and a second air passage (14) is formed through the second rotatable ring (12). A sealing device (15, 16) interposed between the first (11) and the second (12) ring, defines an intermediate chamber (17) communicating with the first (13, 113) and the second (14) air passages.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: December 20, 2005
    Assignee: SKF Industrie S.p.A.
    Inventor: Simona Pilone
  • Patent number: 6974136
    Abstract: Sealing device (1) for a wheel hub group (2) connected to the differential (3) of a vehicle, and provided with a rolling bearing (9), the sealing device (1) being mounted in such a way as to protect the bearing (9) from a lubricating fluid for the lubrication of the differential (3), and presenting a first shield (22) which is integral with an outer race (10) of the bearing (9), a second shield (23) which is arranged inside the first shield (22) and which is integral with an inner race (11) of the bearing (9) and which faces the first shield (22) itself, and a dynamic sealing element (24) which is interposed between the first and second shields (22, 23); the second shield (23) being defined by a support portion (25) made of metallic material and force fit onto the inner race (11) and a cylindrical encoder (27) which is integral with the support portion (25), and the first shield (22) being made of metallic material lined with rubber material, and being provided with a loophole (38) which is suitable for being
    Type: Grant
    Filed: February 17, 2004
    Date of Patent: December 13, 2005
    Assignee: Aktiebolaget SKF
    Inventors: Angelo Vignotto, Andrea Griseri, Alfredo Monetti, Claudio Savarese
  • Patent number: 6974362
    Abstract: A balancing method and apparatus is used for dynamically balancing an out of balance condition in a rotating body caused by resistance forces acting tangentially to the body. A device having a rotatable component and automatic or dynamic balancing includes a housing, a shaft rotatably mounted in the housing, the shaft supporting the component near one end of the shaft, at least one counterweight fixedly mounted on the shaft and at least one automatically adjusting balancer mounted on the shaft. The automatically adjusting balancer includes one or more compensating masses contained to move about a path relative to the shaft to compensate for variable imbalanced forces acting on the component.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: December 13, 2005
    Assignee: SKF Autobalance Systems AB
    Inventors: Hans Lindell, Joakim Jönsson, Volker Wendt, Paul Wierzba
  • Patent number: 6971722
    Abstract: The hub cap has first end wall portion, a sidewall portion and a laterally extending mounting flange. There are plural fastener-receiving openings in the flange. A second endwall portion is integrally formed on the flange and is free from engagement with the hold-down ring. The second end wall portion has a plurality of integral retainers of reduced diameter with respect to the remainder of the wall. There is a hold down ring made from a stiff metal material, overlying the flange on the hub cap. The hold down ring has plural fastener-receiving openings therein, and the retainers snugly secure the hold-down ring in its installed position.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: December 6, 2005
    Assignee: SKF USA Inc.
    Inventor: Dennis N. Denton
  • Patent number: 6968720
    Abstract: A cold rolling method and apparatus for forming an annular workpiece (10) with an outer surface (11) having a given contour and an inner surface (12) having a given contour, starting from an annular blank. A rotatable forming mandrel (21) has a working surface (21a) with a contour corresponding to that of inner surface (12) to be formed. A forming die (51) has a cavity (52) with an inner working surface (53) in form of a surface of revolution corresponding to the outer surface (11) to be formed.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: November 29, 2005
    Assignee: SKF Industrie S.p.A.
    Inventors: Adelmo Balagna, Erling Zackrisson
  • Publication number: 20050259901
    Abstract: Sealing device (1) for a wheel hub group (2) which is connected to a differential device, and which is provided with a rolling contact bearing (3), the sealing device being provided with a first shield (6) which is shrink-fit onto an inner race (4) of the rolling contact bearing (3), and an encoder (7) which is integral with the first shield (6) in order to generate a signal for reading the functioning kinematic parameters of the wheel hub group (2), and is also provided with a second shield (8) which is shrink-fit onto an outer race (5) of the rolling contact bearing (3) in a position which is opposite to and which is also external to the inner shield; a static sealing element (12) is integral with the second shield (8), and is also arranged in contact with a containing box of the differential in order to define a watertight chamber (14) in order to provide a reading surface of a reading sensor (11) which can read the signal which is generated by the encoder itself.
    Type: Application
    Filed: April 27, 2005
    Publication date: November 24, 2005
    Applicant: AKTIEBOLAGET SKF
    Inventors: Angelo Vignotto, Claudio Savarese, Gianmario Fadda, Massimo Russo
  • Publication number: 20050258602
    Abstract: Sealing device (1) with an encoder (7) which is suitable for reading the kinematic parameters of the functioning of a rolling contact bearing (3), the device (1) presenting a first shield (6) which is shrink-fit onto an external surface (42) of an inner race (4) of the contact rolling bearing (3) in order to support the said encoder (7), and a deformable blocking device (11), which is obtained on the first shield (6) and which is engaged in a circular groove (44) which is obtained on the external surface (42) in order to axially block the first shield (6) itself onto the inner race (4) while leaving free a contact portion (45) of the external surface (42) itself.
    Type: Application
    Filed: April 27, 2005
    Publication date: November 24, 2005
    Applicant: AKTIEBOLAGET SKF
    Inventors: Angelo Vignotto, Claudio Savarese, Gianmario Fadda, Massimo Russo
  • Patent number: 6955096
    Abstract: In a hub-bearing assembly for the wheel of a motor vehicle, the hub (1) forms integrally or is fixedly secured to a radial flange (7) fixable to a wheel (8). Associated with the assembly is a measuring device (14) mounted to a non-rotating part (12) of the vehicle and operatively facing a radial surface (13) integral with the flange (7). The measuring device (14) detects in real time variations of the axial position of the surface (13) caused by elastic deformation of the flange (7) provoked by forces transmitted from the wheel (8) to the hub flange (7).
    Type: Grant
    Filed: July 14, 2003
    Date of Patent: October 18, 2005
    Assignee: SKF Industrie S.p.A.
    Inventors: Giuseppe Colombo, Domenico Bosco, Carlo Maldera, Fulvio Nicastri
  • Patent number: 6955201
    Abstract: A hollow suspension standard (20) of a vehicle equipped with a system for supplying pressurized air to a tire through the hub of the wheel has an inner cavity (22) and a seat (21) for housing a wheel hub bearing unit (10). The standard (20) forms a first passage (23) for establishing fluid communication between the inner cavity (22) and the hub-bearing unit (10), and a second passage (24) establishing fluid communication between the inner cavity (22) and a source of pressurized air mounted on board of the vehicle.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: October 18, 2005
    Assignee: SKF Industrie S.p.A.
    Inventors: Andreas Ruetter, Luca Zavaglia, Michele Musso, Marco Brunetti