Patents Assigned to SKF
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Publication number: 20160130523Abstract: A process for the manufacture of a lubricating grease composition, the process comprising steps of: (a) providing an essentially homogeneous liquid composition comprising a lubricating oil and a thickening polymer, and (b) flowing the liquid composition through a shear-mixing device to mix and cool the liquid composition to form a lubricating grease composition.Type: ApplicationFiled: May 28, 2014Publication date: May 12, 2016Applicant: Aktiebolaget SKFInventors: Jos HOLSNIJDERS, Dries MULLER
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Patent number: 9334899Abstract: A landing bearing for use in a magnetic bearing assembly is provided. The landing bearing includes a first landing surface and a second landing surface. The second landing surface faces the first landing surface. At least one of the first landing surface and the second landing surface is provided with a porous structure layer for being filled with lubricant.Type: GrantFiled: May 13, 2014Date of Patent: May 10, 2016Assignee: AKTIEBOLAGET SKFInventors: Philipp Krebs, Xiaobo Zhou
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Publication number: 20160123470Abstract: A seal assembly for sealing a space between a first component and a second component includes a seal base body disposed on the first component and having at least first and second seal lips configured to run on a running surface of the second component with the seal lips contacting the second component at first and second axially spaced locations, the seal base body including an annular channel having an opening facing in the axial direction, and at least one cylinder comprising a bimetallic shape-change element, the cylinder having a first end in the annular channel of the seal base body and a second end outside the annular channel, at least a portion of the cylinder being located axially between the first seal lip and the second seal lip and radially inward or outward from the second seal lip.Type: ApplicationFiled: October 29, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventors: Wolfgang Glaentz, Thomas Heege, Hubert Herbst, Jos Holsnijders, Armin Olschewski, Thomas Peuschel Peuschel, Hans-Joachim vom Stein
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Publication number: 20160123398Abstract: A bearing assembly comprises a rolling element bearing having an inner ring, an outer ring and a set of rolling elements arranged in a bearing cavity between the inner and outer rings. A first grease is provided in the bearing cavity, which has a first thermal bleed rate at a specific reference temperature. The bearing assembly further comprises a grease cartridge, arranged at an axial side of the bearing cavity, whereby the cartridge has axially extending passageways that open into the bearing cavity, and whereby at least some of the passageways are filled with a second grease. The second grease has a second thermal bleed rate at the specific reference temperature which is lower than that of the first grease.Type: ApplicationFiled: July 3, 2013Publication date: May 5, 2016Applicant: Akktiebolaget SKFInventors: Jos HOLSNIJDERS, Bob KLIJNVELD, Gert-Jan SCHEERS
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Publication number: 20160126806Abstract: A bearing assembly comprising a generator for harvesting electrical energy from rotational kinetic energy. The electromagnetic induction generator includes a magnetic rotor (including a plurality of magnets arranged with alternating polarities along a rotor periphery) and a stator having a coil. The generator is mounted to a first part of the assembly, which is rotatable about the bearing axis of rotation. The magnetic rotor is rotationally supported relative to the stator and is rotatable about an axis of rotation, which is different from the bearing axis of rotation. The assembly further comprises a target surface made of an electrically conductive material provided on a second part of the bearing assembly. During operation, relative rotation takes place between the first and second parts. The rotor is arranged whereby magnetic field lines from the plurality of magnets intersect the target surface during at least part of one revolution about the bearing axis.Type: ApplicationFiled: October 27, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventors: Georgo ANGELIS, Peter Klein MEULEMAN
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Publication number: 20160121927Abstract: A steering knuckle comprising a bearing connection interface (formed by a sleeve element) for connecting a wheel bearing to the steering knuckle and further connection interfaces (formed by a bracket for connection of a ball joint) for connecting the steering knuckle to an upper and lower vehicle suspension control arm. A sleeve element bore is adapted to one of receive a wheel bearing outer ring or serve as the outer ring. The sleeve element and the bracket are joined by a composite body comprising a fiber-reinforced material. The fiber-reinforced material comprises a long fiber molding compound is overmolded to a first (sleeve element) joining surface and to a second (bracket) joining surface. The first joining surface is a radially outer surface thereof. The long-fiber molding compound flows into a recessed portion of the first joining surface for mechanically locking the sleeve element to the composite body in an axial direction.Type: ApplicationFiled: June 6, 2014Publication date: May 5, 2016Applicants: Aktiebolaget SKF, Semcon ABInventors: Richard SCHAAKE, Edo SCHRAMM, Cornelius Petrus Antonius VISSERS, Marc GOMEZ
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Publication number: 20160123393Abstract: A rolling-element bearing cage includes a first ring member, a second ring member, and a plurality of bridge members connecting the first ring member to the second ring member. Adjacent pairs of the plurality of bridge members define a plurality of pockets configured to receive and retain at least one rolling element. The cage includes a plastic composition, and the plastic composition includes irradiated polytetrafluoroethylene (PTFE) and a matrix plastic selected from the group consisting of polyether ether ketone (PEEK), polyamide (PA), polyphthalamide (PPA), polyetherimide (PEI), polyethersulfone (PESU), polyoxymethylene (POM), polyphenylene sulfide (PPS), polypropylene (PP), and combinations thereof.Type: ApplicationFiled: October 30, 2015Publication date: May 5, 2016Applicant: Aktiebolaget SKFInventor: Thomas Krause
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Publication number: 20160123401Abstract: A rolling-contact bearing comprising an inner ring, an outer ring with an outer surface in the form of a section of a sphere, rolling bodies between the inner ring and the outer ring, an encoder washer constrained to rotate with the inner ring, a sensor member being designed to detect a rotation of the encoder washer, and a support member having an inner surface in the form of a section of a sphere, the inner surface being designed to be in sliding contact with the outer surface of the outer ring. The support member is designed to hold the sensor member, in relation to the encoder washer, in a position in which the sensor member can detect a rotation of the encoder washer. The sensor member includes a transponder intended to communicate wirelessly with a detector.Type: ApplicationFiled: October 28, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventor: Francois NIARFEIX
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Publication number: 20160121650Abstract: A flanged bearing ring comprising a flange part joined to a ring part. The flange part is at least partly made of a fiber-reinforced matrix material, which is overmolded to the ring part. The flange part further comprises a first connection interface for enabling a component such as a vehicle wheel to be screwed or bolted to the flange part. The first connection interface comprises a plurality of bolt inserts which are embedded in the fiber-reinforced matrix material. At least one bolt insert is joined to the ring part by a continuous fiber tow that is wound around part of an outer surface of the bolt insert and of the ring part. Suitably, each bolt insert is joined to the ring part in this manner.Type: ApplicationFiled: June 6, 2014Publication date: May 5, 2016Applicants: Aktiebolaget SKF, Semcon ABInventors: Gilbert PETERS, Richard SCHAAKE, Edo SCHRAMM, Cornelius Petrus Antonius VISSERS
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Publication number: 20160123385Abstract: A rolling bearing comprising an inner ring, an outer ring and rolling elements arranged between the inner and the outer ring. At least one of the inner and outer rings includes a housing, two half-raceways mounted in the housing, each of the half-raceways comprising a contact surface adapted to make a contact with the rolling elements, and at least one pre-stressing element arranged between the housing and one of the half-raceways. The half-raceways are formed by frustoconical rings and the contact surfaces of the half-raceways are frustoconical.Type: ApplicationFiled: September 25, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventors: Sylvain BUSSIT, Amandine HOUART, Daniel JANSEN, Tommy JULLIEN, Thomas LEPINE, Bruno MONTBOEUF
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Publication number: 20160123450Abstract: A balance shaft adapted to be rotated by a crankshaft of an internal combustion engine. The balance shaft is equipped with bearings in order to be mounted in a freely rotatable manner in a frame of the internal combustion engine, and with a cam for interaction with a cam follower roller for a fuel injection pump. At least one of the bearings is a bearing with a double row of rolling elements.Type: ApplicationFiled: October 27, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventors: Richard CORBETT, BenoƮt HAUVESPRE, Julien MAFFUCCI
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Publication number: 20160123392Abstract: A cage for a crankshaft bearing or a connecting-rod bearing of an internal combustion engine or for a compressor has a plurality of receiving pockets for guiding bearing rolling elements and has an axial width. The cage includes at least first and second cage segments, each cage segment having a segment axial width equal to the axial width of the cage and having a first end circumferentially spaced from a second end, the first cage segment first end being connected to the second cage segment second end by an interference fit and the first cage segment second end being connected to the second cage segment first end by an interference fit.Type: ApplicationFiled: October 29, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventor: Dieter Steblau
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Publication number: 20160121926Abstract: A steering knuckle comprising a bearing connection point for connecting a bearing to the knuckle and comprising a further connection point for connecting the knuckle to a further component. The bearing connection point is formed by a first insert and the further connection point is formed by a second insert, which are joined by a composite body comprising a fiber-reinforced material that is overmolded to the first and second inserts. The bearing connection point and the further connection point are additionally joined by one or more continuous fiber tows that are wound around part of a radially outer surface of the first insert and of the second insert.Type: ApplicationFiled: June 6, 2014Publication date: May 5, 2016Applicants: Aktiebolaget SKF, Semcon ABInventors: Gilbert PETERS, Richard SCHAAKE, Edo SCHRAMM, Cornelius Petrus Antonius VISSERS, Marc GOMEZ
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Publication number: 20160125719Abstract: A device and associated system for monitoring a health status of a bearing including a mobile data collector having a magnetic mounting pad coupled to a base of the mobile data collector; and an RFID enabled machine condition indicator coupled to the bearing through a machine bearing housing. The machine condition indicator provides a ferromagnetic contact body portion for housing the machine condition indicator, and an RFID tag having a unique identity and disposed within an unexposed portion of the ferromagnetic contact body. The RFID tag having an RFID antenna coupled to the RFID Tag for transmitting a unique identity of the RFID Tag to the data collection device. At least one sensor for sensing a velocity, an enveloped acceleration and a temperature reading of the bearing and at least one illuminating device for displaying the bearing health status according to input from one of the sensors.Type: ApplicationFiled: October 31, 2014Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventors: Jonathan David Murphy, Torsten Bark
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Publication number: 20160126807Abstract: A bearing arrangement including a rotating part and a non-rotating part. The rotating part is configured to rotate relative to the non-rotating part with an essentially horizontal rotation axis. The arrangement is provided with an energy generating system, comprising at least one micro generator module. The micro generator module includes a housing, an eccentric mass mounted so as to be rotatable around an eccentric shaft in the housing, and a generator unit configured to generate electrical energy using the rotation of the eccentric shaft. The energy generating system is mounted to the rotating part of the arrangement.Type: ApplicationFiled: October 27, 2015Publication date: May 5, 2016Applicant: AKTIEBOLAGET SKFInventors: Georgo ANGELIS, Nicolaas Simon Willem DEN HAAK, Petrus Matheus Josephus KNAPEN, Bernardus Johannes MEIJER, Andreas Clemens VAN DER HAM
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Patent number: 9328771Abstract: An assembly providing a first annular shield including a sleeve portion integral with a rotating member and with a flange portion, which radially extends to protrude from the first sleeve portion; a second annular shield having a sleeve portion integral with a stationary member and with a flange portion that radially extends to protrude on the opposite side of the sleeve portion of the first shield and facing the flange portion; and an annular seal, which the flange portion of the first shield ends with an L-shaped annular portion that protrudingly radially and axially extends out of an annular gap delimited between the rotating and stationary members to define an L-shaped channel in radial section having constant width and forming a first labyrinth seal; the channel leads into an annular recess, delimited between the second shield and a first lip of the annular seal without contacting the first shield.Type: GrantFiled: July 1, 2014Date of Patent: May 3, 2016Assignee: AKTIEBOLAGET SKFInventors: Daniele Duch, Fausto Morello, Andrea Serafini
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Patent number: 9328767Abstract: A bearing assembly includes first and second rolling-element bearings each having an inner ring with a running surface for rolling elements and a guide flange that extends radially outwardly beyond the running surface for limiting axial movement of the rolling elements. The inner rings are configured such that they are in contact with each other exclusively within a contact surface diameter that is smaller than an average value of a maximum diameter of the running surface of one of the inner rings and a maximum outer diameter of that inner ring. The guide flanges are disposed on sides of the inner ring of the first rolling-element bearing and of the second rolling-element bearing that face each other axially.Type: GrantFiled: October 22, 2014Date of Patent: May 3, 2016Assignee: AKTIEBOLAGET SKFInventors: Katrin Hofmann, Jochen Kuhstrebe, Armin Olschewski, Arno Stubenrauch, Malinipriya Thangavelu
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Publication number: 20160116050Abstract: A pulley device for one of a chain or belt; the pulley device includes two rolling bearings, each having an inner ring, an outer ring rotatable relative to the inner ring around a shared central axis, and a row of rolling elements mounted in a rolling chamber defined between the inner ring and an outer ring. A pulley is secured in rotation with the outer rings of the two rolling bearings and provided with an outer radial surface for engaging with one of a chain or a belt. The pulley device also includes a feature for exerting an axial load parallel to the shared central axis onto the outer rings. The axial load urges the outer rings one toward the other, or opposite one another.Type: ApplicationFiled: October 16, 2015Publication date: April 28, 2016Applicant: Aktiebolaget SKFInventor: Benoit ARNAULT
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Publication number: 20160114624Abstract: A hub-bearing unit for rotatably is provided with a stationary radially outer ring, a radially inner ring, an annular gasket, and a second metal insert. The radially inner ring includes a flange for mounting a wheel and a sealing device having a first metal insert, annular shaped, steadily fixed at an end portion of the outer ring facing the flange. The annular gasket includes a plurality of elastomeric sealing lips and steadily fixed to the metal insert. The second metal insert is steadily fixed on an axial cylindrical surface of the inner ring. The gasket presents a first axial contacting lip. The first axial contacting lip slidingly contacts a substantially frustoconical portion of the metal insert.Type: ApplicationFiled: October 16, 2015Publication date: April 28, 2016Applicant: Aktiebolaget SKFInventors: Fausto MORELLO, Andrea SERAFINI
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Publication number: 20160114773Abstract: A slip control system for vehicles having at least one wheel provided with a brake. The slip control system includes at least one sensor and a control device configured to determine a wheel slip of the wheel based on the signals of said sensor. The sensor can be a load sensor provided in a bearing of the wheel.Type: ApplicationFiled: December 17, 2013Publication date: April 28, 2016Applicant: AKTIEBOLAGET SKFInventors: Hendrik Anne MOL, Eduardus Gerardus Maria HOLWEG, Stijn Marcus Adriaan Antonius KERST