Ball Bearing Patents (Class 384/490)
  • Publication number: 20150147013
    Abstract: Provided is a hub unit bearing wherein a cover can be firmly fitted with an outer ring member, and it is difficult for foreign matter to enter inside through a water drainage hole formed in the cover. The cover that covers the inside end section in the axial direction of the hub unit bearing includes a disk section, a small-diameter cylindrical section bent in the axial direction from the outer perimeter edge section of the disk section and a large-diameter cylindrical section. A cut and raised section that is cut and raised toward the inside in the radial direction is formed in the small-diameter cylindrical section, and a water drainage hole that passes through from inside to outside the cover is provided in the portion that is cut and separated from the small-diameter cylindrical section.
    Type: Application
    Filed: October 16, 2014
    Publication date: May 28, 2015
    Inventor: Yoshio KANEKO
  • Publication number: 20150145352
    Abstract: An electric motor has a rotor that is rotatably arranged around a rotor shaft. The rotor is mounted by way of at least one outer bearing that is arranged at a radial distance from the rotor shaft. The rotor has an annular design and is connected to the rotor shaft by way of at least one flexible connecting element.
    Type: Application
    Filed: May 23, 2013
    Publication date: May 28, 2015
    Inventors: Soeren Hein, Friedrich Boebel
  • Publication number: 20150110427
    Abstract: A rolling bearing assembly includes an inner ring, an outer ring, at least one row of rolling elements disposed between raceways provided on the inner and outer rings, and an annular housing having at least one of the rings is arranged. The one ring includes two half ring parts, each half ring part having a radial portion and an inner and an outer axial cylindrical portions extending from the radial portion towards the outside. The inner axial cylindrical portion extend from the radial portion by a toroidal portion defining the raceway, each of the two half ring parts, defining with the annular housing, a closed space. A closed space or spaces can store lubricant and a passageway through at least one half ring part enables lubricant to pass from the closed space to the raceways. A magnetic and/or an electronic element is mounted inside at least one closed space.
    Type: Application
    Filed: January 26, 2012
    Publication date: April 23, 2015
    Inventors: Frank Berens, Stephane Cordier, Olivier Verbe
  • Publication number: 20150093062
    Abstract: An inner-shaft bearing bracket structure may include an inner-shaft that may be installed between a differential gear or a reduction gear connected to a motor or a engine for generating rotational power of a vehicle and a drive shaft for transmitting the rotational power to wheels of the vehicle in a vehicle width direction, bearings which wrap an outer peripheral surface of the inner-shaft and to which the inner-shaft may be rotatably coupled, and a bearing bracket which connects a pipe that houses and supports the bearings therein and a boss formed in the motor to project forward, wherein the bearing bracket may be disposed on a side surface of the boss and may be coupled by bolts in the vehicle width direction of the vehicle body.
    Type: Application
    Filed: September 24, 2014
    Publication date: April 2, 2015
    Applicant: Hyundai Motor Company
    Inventors: Jang-Ho KIM, Sung-Su YOO
  • Patent number: 8992091
    Abstract: A bearing seal, which has a rubber body impregnated with an electrically conductive material such as graphite. A level of conductivity of the bearing seal depends upon an amount of graphite integrated into the rubber body. A bearing is also disclosed, which includes at least one closure element, such as a seal, arranged between an outer and inner ring of the bearing that is impregnated with an electrically conductive material, such as graphite, to create a conductive pathway for an electrical current to circumvent the rolling elements of the bearing. The closure element aids in ensuring electric current is kept away from the rolling elements by diverting electric current from the outer ring to the inner ring of the bearing.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: March 31, 2015
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Michael Cudrnak, William Moratz
  • Patent number: 8963392
    Abstract: An axial flux electric machine and associated method of use that includes a shaft, a rotor attached to the shaft, a plurality of permanent magnets positioned underneath the rotor, an electrical winding positioned below the plurality of permanent magnets, a stator that encircles the shaft that is located below the rotor, a first bearing assembly located below the stator and encircling the shaft of the rotor, a second bearing assembly located below the first bearing assembly and encircling the shaft, and a spring mechanism, located between the first bearing assembly and the second bearing assembly, to distribute load placed on the shaft between the first bearing assembly and the second bearing assembly.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: February 24, 2015
    Assignees: Regal Beloit America, Inc., Regal Beloit Australia Pty., Ltd.
    Inventors: William A. Ziegler, Michael D. Smith, Charles Richard Langford
  • Publication number: 20150003767
    Abstract: The current invention relates to a pivot linkage device comprising at least one rolling bearing comprising at least one inner cage, one outer cage and a plurality of rolling elements denoted as the bearing components, the device further comprising means for protection against high voltage transients, wherein said protection means are exclusively formed by said bearing components, said bearing components being loaded by loading means arranged in such a manner that a direct electrical connection exists between these components. The current invention also relates to a method for protecting a bearing against high voltage transients by applying a preloading to the bearing's components.
    Type: Application
    Filed: December 17, 2012
    Publication date: January 1, 2015
    Inventors: Frank Leferink, Edwin Leonardus Josephus Hogeman
  • Publication number: 20150003769
    Abstract: This set of roller bearings, which is a grounding bearing for a rotary machine, comprises a first-angular contact rolling bearing having a first outer race, a first inner race and first rolling elements, a second angular-contact rolling bearing having a second outer race, a second inner race and second rolling elements, a mount in which the first angular-contact rolling bearing and the second angular-contact rolling bearing are mounted. The first outer race and the second outer race are arranged in the mount either directly one beside the other or via the interposition of an intermediate member, the axial stiffness of which is greater than that of the mount and than those of the first and second outer races. Application for example to asynchronous motors.
    Type: Application
    Filed: February 7, 2013
    Publication date: January 1, 2015
    Applicant: GE Energy Power Conversion Technology Limited
    Inventors: Xavier Delepine, Yves Lacour
  • Patent number: 8905642
    Abstract: A rolling bearing which has excellent performance at high-temperatures and has high-speed durability and quietness, is capable of effectively preventing hydrogen brittleness-caused peeling from occurring on a rolling surface thereof, and has a low environmental load. The rolling bearing (1) is constructed of an inner ring (2) having a rolling surface on its peripheral surface, an outer ring (3) having a rolling surface on its inner peripheral surface, a plurality of rolling elements (4) disposed between both rolling surfaces, and a cage (5) retaining the rolling elements (4). The inner ring (2), the outer ring (3), the rolling elements (4) or the cage (5) are metal-made bearing members. Film-coating treatment is conducted on a sliding surface or a rolling surface of at least one of these metallic bearing members with plant-derived polyvalent alcohol compounds such as curcumin, quercetin, chlorogenic acid or the like.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: December 9, 2014
    Assignee: NTN Corporation
    Inventors: Hidenobu Mikami, Yosuke Taguchi
  • Publication number: 20140339884
    Abstract: An improved skateboard or roller-skate truck is disclosed containing a novel yoke, base, grommet, wheel and bearing combination which delivers high precision steering, advanced steering control and more precise wheel alignment. The truck comprises a base plate and a yoke having a body portion with an aperture through it. There is a bearing member in the yoke next to the aperture. A post is mounted in the base plate and extends through the aperture in the yoke. A novel resilient grommet with a bearing surface on its face is mounted on the post and engages the bearing member in the yoke to restrict arcuate movements of the yoke. A novel wheel bearing is also disclosed which incorporates paired ball bearing casings with bell-shaped members on the outside of each casing slideably meeting each other inside a skate wheel where the bells self adjust the bearings to accommodate imperfections in the bearing seat levelness, bearing seat spacing, axle diameter and axle straightness.
    Type: Application
    Filed: May 20, 2014
    Publication date: November 20, 2014
    Inventor: Daniel Jon Gesmer
  • Publication number: 20140319811
    Abstract: The invention concerns a rolling bearing (1) having an inner ring (2), an outer ring (3) and a row of rolling elements (4) disposed between the rings (2, 3). At least one of the rings (2, 3) includes a housing (6), at least two raceway elements (7, 8) mounted in the housing (6) and at least one pre-stressing element (9) mounted in the housing. At least one pre-stressing element (9) mounted in the at least one of the inner and outer rings (2, 3) is provided with at least one portion (92) having a circumferential extension of less than 360° and in sliding contact with the other of the inner and outer rings (2, 3).
    Type: Application
    Filed: March 24, 2014
    Publication date: October 30, 2014
    Applicant: Aktiebolaget SKF
    Inventors: Sylvain BUSSIT, Wilfried Hermle, Daniel Jansen, Tommy Jullien, Thomas Lepine, Franck Mauvisseau, Bruno Montboeuf, Lucia Pintz, Heiko Waeschle
  • Patent number: 8870464
    Abstract: A ball bearing includes: an outer ring; an inner ring having a ring-shaped member fitted portion that has a step portion that extends generally along a radial direction of the outer ring and an outer peripheral face portion; balls disposed between an inner periphery raceway groove of the outer ring and an outer periphery raceway groove of the inner ring; and a ring-shaped lubricant supply member that is fixed to the ring-shaped member fitted portion while being in contact with the step portion.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: October 28, 2014
    Assignee: Jtekt Corporation
    Inventors: Koji Yoshizaki, Junji Murata
  • Publication number: 20140306459
    Abstract: In a bearing for vertical axis windmill configured to rotatably support a vertical axis of a vertical axis windmill, the bearing includes a ball (7), a diameter of the ball and a curvature of a rolling groove of the bearing are set to satisfy a predetermined starting torque and a load rating. For example, the curvature of the rolling groove of the bearing is 54% or more and 100% or less, and the diameter of the ball has a ratio of 20% or less with respect to a vertical shaft (2).
    Type: Application
    Filed: November 28, 2012
    Publication date: October 16, 2014
    Inventors: Toshiyuki Aso, Katsuya Iida, Tomoyuki Aida, Yuki Hayashi, Takashi Sakuyama
  • Publication number: 20140292162
    Abstract: Hobby servo blocks are provided. In certain circumstances, servo blocks may increase a servo's load-bearing capabilities by helping to isolate the lateral load from the servo spline and case. The extreme versatility of servo blocks allow users to create complex, extremely rigid, structures with ease using standard servos. The robust framework acts as a servo exoskeleton, greatly enhancing the mechanical loads the servo can withstand. Additionally, servo blocks may include a hub pattern that is repeated throughout the framework to allow endless attachment options.
    Type: Application
    Filed: June 11, 2014
    Publication date: October 2, 2014
    Inventor: Brian T. Pettey
  • Publication number: 20140234071
    Abstract: A bearing is provided which includes a first set of rolling elements, a second set of rolling elements spaced away from the first set of rollers, a race at least partially enclosing the first and second sets of rolling elements, and a pre-loading element in the race between two outer sections of the race applying pre-load forces to the first and second set of rolling elements. In this way, a simplified bearing structure is achieved while better maintaining pre-load forces.
    Type: Application
    Filed: February 15, 2013
    Publication date: August 21, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventor: Michael Tekletsion Berhan
  • Publication number: 20140157938
    Abstract: A steering column with a steering-column tube, a steering spindle and at least one steering bearing for the rotatable mounting of the steering spindle in the steering-column tube, the steering bearing having an outer ring sitting in the steering-column tube, an inner ring and rolling bodies arranged between the outer ring and a track section of the inner ring, wherein the inner ring bears against the steering spindle at only two points and, for this purpose, has a first section which axially adjoins the track section and bears under prestress against the steering spindle at the first point, and a second section which is axially spaced apart from the first section, which axially adjoins the track section, and which has a first end of the inner ring in interaction with the steering spindle at the second point.
    Type: Application
    Filed: August 1, 2011
    Publication date: June 12, 2014
    Applicant: Schaeffler Technologies GmbH & Co. KG
    Inventor: Herbert Erhardt
  • Publication number: 20140153856
    Abstract: In An AC generator for a vehicle in which a bearing is inserted into a bearing box formed in a bracket and the bearing is fixed and retained by a retainer, the retainer (8, 10) has a cylindrical shape and a threaded portion (81, 101) is formed on the cylindrical section thereof, a threaded portion (111, 112) is formed on the bearing box, and the threaded portion of the retainer is directly screwed to the threaded portion of the bearing box in order to fix and retain the bearing (3), so that the gap between the outer circumference surface of the bearing box or the outer circumference surface of the retainer and the opposing side of a cooling fan is made uniform.
    Type: Application
    Filed: October 19, 2011
    Publication date: June 5, 2014
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Tomoki Takahashi, Hideyuki Hayashi
  • Patent number: 8695732
    Abstract: A rotary cutter mount for an earth-boring cutter is provided which includes a ball bearing journal [100] adapted to be coupled to a cutter body [210], having a minimum [110] and a maximum [120] cylindrical diameter, and a first [115] and second [116] mounting ends. The maximum diameter [120] defines a journal body [122] which includes an exterior surface adapted to be rotationally coupled to the interior surface of the cutter body [210] so as to allow the cutter body [210] to rotate freely with respect to the bearing journal [110]. The minimum [110] diameter defines a shaft portion having sealing surfaces. The first [115] and a second [116] mounting ends are shaped to enable a rotationally fixed positioning of the bearing journal [100] in a yoke of a corresponding cutter head-plate support bracket. A row of ball-bearing races [126] is recessed to extend circumferentially about the exterior surface of the journal body [122].
    Type: Grant
    Filed: September 16, 2008
    Date of Patent: April 15, 2014
    Inventor: Stu Blattner
  • Publication number: 20140072253
    Abstract: A bearing arrangement for the rotatable mounting of a shaft (7) in relation to a housing (8), including a back-up bearing (9) which is designed as a rolling contact bearing, wherein the rolling contact bearing can absorb forces in the axial and radial direction and is designed in particular as an angular rolling bearing, especially as a two-row angular ball bearing, wherein the rolling contact bearing (9) is substantially left open in the radial direction. The object addressed by the invention is that of providing a bearing arrangement with a back-up bearing for a shaft, which bearing arrangement can better absorb in particular the forces occurring in the mounting of rapidly rotating, solid shafts.
    Type: Application
    Filed: April 17, 2012
    Publication date: March 13, 2014
    Inventors: Stefan Ruhl, Jorg Bauer, Peter Siebke, Armin Bender, Mark Dudziak, Michael Pausch
  • Publication number: 20140064802
    Abstract: A rotating body support device includes a shaft, a bearing, a mounting member, and a protruding part. The shaft serves as a rotating shaft which rotates or a fixed shaft during rotation of a rotating body. The bearing includes an inner peripheral part for supporting the shaft and an outer peripheral part disposed at an interval in a radial direction relative to the inner peripheral part. The mounting member includes an insertion part on which the outer peripheral part is mounted, and supports the bearing. The protruding part is provided to protrude from one of a peripheral face of the shaft and the inner peripheral part of the bearing in the radial direction along a peripheral direction of the rotation. Moreover, the protruding part comes into contact, along the peripheral direction, with the other one of the peripheral face of the shaft and the inner peripheral part of the bearing.
    Type: Application
    Filed: August 28, 2013
    Publication date: March 6, 2014
    Applicant: KYOCERA Document Solutions Inc.
    Inventor: Kosuke Uchida
  • Publication number: 20140064650
    Abstract: A bearing arrangement for the rotatable mounting of a shaft (7) in relation to a housing (8), including a back-up bearing (9) which is designed as a rolling bearing, wherein the rolling bearing can absorb forces in the axial and radial direction and is designed in particular as an angular rolling bearing, especially as a two-row angular ball bearing, wherein the rolling bearing (9) is substantially free in the radial direction. The problem addressed by the invention is that of providing a bearing arrangement with a back-up bearing for a shaft, which bearing arrangement can better absorb in particular the forces occurring in the mounting of rapidly rotating, solid shafts.
    Type: Application
    Filed: April 17, 2012
    Publication date: March 6, 2014
    Applicant: Schaeffler Technologies AG & CO. KG
    Inventors: Peter Siebke, Michael Pausch, Jorg Bauer, Mark Dudziak, Armin Bender, Stefan Ruhl
  • Publication number: 20140029884
    Abstract: A wave washer is used for a shaft supporting device of an electric power steering system. The wave washer has an annular portion and six outward protrusions. The annular portion has first protrusions that protrude in a first axial direction and second protrusions that are formed so as to continuous with the first protrusions and that protrude in a second axial direction. Each outward protrusion protrudes from an outer periphery of the annular portion in a radially outward direction of the radial direction of the annular portion.
    Type: Application
    Filed: July 19, 2013
    Publication date: January 30, 2014
    Applicant: JTEKT CORPORATION
    Inventors: Yuichi TOYAMA, Hiroyuki TAKAHASHI, Kosuke TSUKAHARA, Fumihiro KAWAKAMI, Tomohiro NIWA, Yoshinobu MURAMOTO, Naoki KINOUCHI, Takaya TANIKAWA
  • Publication number: 20140023304
    Abstract: Rolling bearing with rolling bodies comprising an outer ring, an inner ring and rolling bodies arranged in a rolling chamber. The bearing includes at least one flange mounted on a first ring and extending to a second ring with means for fastening onto the first ring and a first annular band at right angles to an axis of rotation of the rings and offset, along the axis, relative to the fastening means. The flange provides a second annular band and a third annular band arranged respectively radially inside and radially outside the first band and offset axially in the direction of the rolling bodies, by means of a first setback and a second setback. An edge of the flange opposite to its means for fastening onto the first ring is folded back towards the rolling chamber and extends in a direction parallel to a radial surface of the second ring.
    Type: Application
    Filed: June 26, 2013
    Publication date: January 23, 2014
    Applicant: AKTIEBOLAGET SKF
    Inventors: Emmanuel Charles, Bruno Constant
  • Patent number: 8622621
    Abstract: To prevent a problem due to gas produced from an adhesive and to improve the productivity of a rolling bearing apparatus. The present invention provides a method of manufacturing a rolling bearing apparatus, including fitting a first rolling bearing and a second rolling bearing to a first member each in a pressed state, pressing the inner races of the first and second rolling bearings in a direction in which they are closer to each other in the axial direction with a second member sandwiched between outer races of the first and second rolling bearings, and welding at least a portion of a peripheral portion of the inner race of the pressed second rolling bearing in the axial direction to the outer face of the first member through irradiation with laser light.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: January 7, 2014
    Assignee: Seiko Instruments Inc.
    Inventors: Takayuki Kosaka, Akio Ozawa
  • Publication number: 20140003754
    Abstract: A water-conducting household appliance includes movable component which is moveably mounted on a stationary component of the household appliance by way of a metallic bearing. A sacrificial material with a lower electrochemical potential compared with the metallic material of the bearing in a bearing chamber, in which the bearing is arranged, prevents corrosion of the bearing. The sacrificial material rusts instead of the bearing.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 2, 2014
    Applicant: BSH Bosch und Siemens Hausgerate GmbH
    Inventors: Jùrgen Heß, Vladimir Proseanic, Boris Zlotin
  • Publication number: 20140002931
    Abstract: A pivot bearing 13 includes: a shaft 21; and a plurality of ball bearings 20 which are arranged in an axial direction with respect to the shaft 21 and each of which has an inner ring 27 fixed to the shaft 21 and an outer ring 25 fixed to a fixing hole 18 of an arm 16 via a tolerance ring 12, the pivot bearing being configured to swing around the shaft. The number of balls of each ball bearing 20 and the number of concave portions of the tolerance ring 12, which are configured to press the outer ring 25, are relatively prime to each other. Accordingly, it is possible to inexpensively make the reliable pivot bearing that achieves high precision with a simple structure, and thus a reliable high density magnetic recording apparatus is provided.
    Type: Application
    Filed: May 28, 2012
    Publication date: January 2, 2014
    Applicant: NSK LTD.
    Inventors: Kouichi Yanagawa, Hiroshi Nishizawa, Takashi Shimokawa
  • Patent number: 8615884
    Abstract: A method of manufacturing a rolling bearing device which can improve operational efficiency and can enhance productivity thereof is provided. The method includes the steps of: applying an adhesive agent to fitting portions formed between inner rings of two rolling bearings which are arranged coaxially in a spaced-apart manner in an axial direction and a shaft which is fitted in the inner rings and fitting portions formed between outer rings of two rolling bearings and a sleeve which is fitted on the outer rings; bringing the inner rings and the shaft into fitting engagement and the outer rings and the sleeve into fitting engagement respectively; and welding, in a state where the inner rings to which the adhesive agent is applied in the adhesive agent applying step are brought close to each other due to pushing of the inner rings in the axial direction, the pushed inner rings to the shaft by laser welding using laser power which does not generate thermal deformation of the pushed inner rings.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: December 31, 2013
    Assignee: Seiko Instruments Inc.
    Inventors: Takayuki Kosaka, Kenji Suzuki
  • Publication number: 20130343686
    Abstract: This art is a part from, but more-so a means of enabling maneuverability. By the use of a large bearings to tumble over, and around it's circumfluence. The larger the circumfluence, the less drag would be imposed upon the maneuverability of the wheel chair.
    Type: Application
    Filed: June 25, 2012
    Publication date: December 26, 2013
    Inventor: Leroy Edwards, JR.
  • Patent number: 8602655
    Abstract: Disclosed is a bearing unit for a turbocharger including a rotary shaft at one end of which and the other end of which a turbine wheel and an impeller respectively are provided, and of which on the turbine-wheel side is formed a large-diameter turbine-side step, the rotary shaft being supported between the turbine-side step and the impeller such that the rotary shaft is freely rotatable, the bearing unit comprises a turbine-side ball bearing in which balls are located on the turbine-wheel side, an impeller-side ball bearing positioned such that balls are located on the impeller side, and a positioning step configured to restrict movement of the inner race of the turbine-side ball bearing toward the turbine wheel and to position the turbine-side ball bearing such that the end of the inner race is separated from the turbine side step.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: December 10, 2013
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Masakazu Tabata
  • Patent number: 8591118
    Abstract: A driving-wheel bearing device includes an outer race having double-row outer raceway surfaces formed on an inner periphery thereof, a hub wheel and an inner race having a wheel attachment flange at one end thereof and double-row inner raceway surfaces on an outer periphery thereof, and double-row rolling elements interposed between the outer raceway surfaces of the outer race and the inner raceway surfaces of the hub wheel and the inner race, the hub wheel having a shaft hole into which a stem section extending from an outer joint member of a constant velocity universal joint is spline-fitted by being press-fitted, in which a plate having a molybdenum coating layer or a fluorine-resin coating layer formed thereon and having a plate thickness ranging from 0.5 mm to 2 mm is interposed between opposite surfaces of a shoulder portion of the outer joint member and an crimped portion of the hub wheel.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: November 26, 2013
    Assignee: NTN Corporation
    Inventors: Minoru Ishijima, Hiroshi Teduka, Manabu Hoshino, Kazuhiro Muramatsu
  • Patent number: 8585297
    Abstract: A rolling-bearing mounted apparatus includes a shaft, and at least one rolling bearing supporting the shaft in a section of the apparatus. The rolling bearing includes at least one inner ring arranged on the shaft, an outer ring arranged on the section, and rolling elements arranged between the inner and outer rings. A sleeve is provided between the outer ring and the section to permit an axial and/or radial displacement of the outer ring of the rolling bearing when exposed to an axially and/or radially directed force. The sleeve has at least two rows of recesses, with hollow-drilled rolling elements being arranged in the recesses of the sleeve.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: November 19, 2013
    Assignee: Siemens Aktiengesellschaft
    Inventor: Felix Butz
  • Publication number: 20130280110
    Abstract: An electric machine has in a machine housing, a stator and a rotor which is arranged on a motor shaft which is supported on a non-drive side in a bearing unit which has a ball bearing arrangement and is arranged within the machine housing in a radially elastic and axially displaceable manner. The electric machine is preferably coupled on the drive side without a bearing via a rigid shaft coupling to a work machine, in particular to a hydraulic pump.
    Type: Application
    Filed: June 17, 2013
    Publication date: October 24, 2013
    Inventors: FRANK GUTJAHR, PETER LEMKE
  • Publication number: 20130259416
    Abstract: A bearing unit for a turbocharger, including a bearing housing which extends in an axial direction, a bearing cartridge, situated within the bearing housing, having an outer bearing ring, and a securing element, situated on the bearing housing, for the twist-free positioning of the outer bearing ring within the bearing housing. The sum of the forces acting on the outer bearing ring is essentially zero. A bearing unit of this type prevents twisting of the outer bearing ring without reducing the vibration-damping effect of the quenching oil film.
    Type: Application
    Filed: November 14, 2011
    Publication date: October 3, 2013
    Applicant: Scheaffler Technologies AG & Co. KG
    Inventor: Heiko Schmidt
  • Patent number: 8529131
    Abstract: The present invention provides a ball transfer unit, which includes: a main body, a first rotating body, and a plurality of second rotating bodies arranged between the main body and the first rotating body. The main body has an end forming a receiving chamber and thus forming a receiving chamber sidewall. The second rotating bodies are rotatably arranged on the receiving chamber sidewall. The main body forms an air entrance passage in communication with the receiving chamber. The receiving chamber sidewall extends out to form a bearing section corresponding to the air entrance passage. The bearing section has a side surface in which air outlet ports are formed. The ball transfer unit of the present invention prevents powder dusts from falling therein, ensures smooth operation of the ball transfer unit, and extends the lifespan.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: September 10, 2013
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Hongtao Deng
  • Publication number: 20130205604
    Abstract: A shaft bearing device for a hand-held power tool, in particular for an angle grinder and/or a circular saw, includes at least one first support unit and at least one second support unit which are intended to axially and/or radially support a bearing element of a shaft. At least one of the at least two support units is formed at least partially by a plate element that has at least one axial and/or radial bend.
    Type: Application
    Filed: June 6, 2011
    Publication date: August 15, 2013
    Applicant: Robert Bosch GmbH
    Inventors: Florian Esenwein, Thomas Schomisch
  • Publication number: 20130202236
    Abstract: A slewing apparatus, comprising a slewing bearing means for the operation of a reel. A first slewing bearing (10) is configured to carry torsion and axial loads in the reel, while the second slewing bearing (20) is configured not to carry substantial torsion and axial loads in the reel. Thereby the second slewing bearing (20) functions as a back-up bearing for the reel, while the first slewing bearing (10) operates the reel and thus serves as the primary slewing bearing for the reel.
    Type: Application
    Filed: August 25, 2011
    Publication date: August 8, 2013
    Applicant: AKER PUSNES AS
    Inventor: Stig André Nygaard
  • Publication number: 20130202234
    Abstract: There is provided a slewing bearing structure capable of maintaining favorable bearing performance by adjusting and changing rigidity thereof while minimizing the increase in the weight thereof for preventing distortion of a pressure pattern caused by structural deformation from unfavorably affecting the bearing performance. A slewing bearing of a rolling bearing, in which a rolling element is put between bearing rings and formed on an inner ring and an outer ring, has a slewing bearing structure in which a rigidity strengthening portion, at which rigidity of the inner ring and/or the outer ring is increased more than that at peripheral portions, is formed at a circumferential area where a bearing contact pressure is high.
    Type: Application
    Filed: February 6, 2012
    Publication date: August 8, 2013
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Yoshitomo NODA, Kensuke NISHIURA, Tomohiro NUMAJIRI
  • Publication number: 20130182985
    Abstract: A wheel rolling bearing device includes an inner ring member fitted to an axle; an outer ring member having a fixing flange fixed to a vehicle body-side member; and rolling elements rollably arranged between the inner and outer ring members. An encoder and a rotation speed detector are respectively arranged at outer peripheral portions of inner end portions of the inner and outer ring members in the vehicle lateral direction. The rotation speed detector has a fixing portion fixedly arranged in a spatial region between the fixing flange and an outer periphery of the inner end portion of the outer ring member, and a nose portion extending obliquely from the fixing portion toward the encoder and having a detecting portion at its distal end portion. An oblique cutout face is formed in the outer ring member to avoid contact between the outer ring and the nose portion.
    Type: Application
    Filed: January 14, 2013
    Publication date: July 18, 2013
    Applicant: JTEKT CORPORATION
    Inventor: Jtekt Corporation
  • Publication number: 20130163910
    Abstract: A bearing carrier for a shaft of an electric motor has a carrier member supporting two bearings supporting the shaft. The carrier member has a single bearing seat accommodating the two bearings to ensure the two bearings are coaxially mounted. A spacing member axially separates the two bearings. The spacing member has a central passage through which the shaft extends with radial play, as well as two end surfaces parallel with each other, orthogonal to the axis of the passage and axially separated by a distance which corresponds to the desired mounting distance between the bearings. During assembly, the bearings and spacing member are mounted on the shaft to form a preassembled group. The preassembled group is pressed into the bearing seat of the carrier member, with one bearing being pressed against a stop formed at one end of the bearing seat.
    Type: Application
    Filed: December 20, 2012
    Publication date: June 27, 2013
    Applicant: JOHNSON ELECTRIC S.A.
    Inventor: JOHNSON ELECTRIC S.A.
  • Publication number: 20130165015
    Abstract: An object of the present invention is to provide a yo-yo with a high rotary precision, capable of easily and reliably centering even in assembling or disassembling the yo-yo, using a bearing unit having a ball bearing with a simple configuration and high centering precision. A bearing unit (10) for a rotary toy includes: a shaft (15) including: a center portion (16) having a uniform shaft diameter corresponding to a width of an inner ring (12) of a ball bearing (11); and tapered portions (17) each extending from the center portion, each of the tapered portions being tapered toward an end portion thereof. The central portion (16) of the shaft (15) is fixed to the inner ring (12).
    Type: Application
    Filed: February 22, 2012
    Publication date: June 27, 2013
    Applicant: NSK LTD.
    Inventors: Haruo Sekido, Hiroshi Nishizawa
  • Publication number: 20130099614
    Abstract: Hobby servo blocks are provided. In certain circumstances, servo blocks may increase a servo's load-bearing capabilities by helping to isolate the lateral load from the servo spline and case. The extreme versatility of servo blocks allow users to create complex, extremely rigid, structures with ease using standard servos. The robust framework acts as a servo exoskeleton, greatly enhancing the mechanical loads the servo can withstand. Additionally, servo blocks may include a hub pattern that is repeated throughout the framework to allow endless attachment options.
    Type: Application
    Filed: August 24, 2012
    Publication date: April 25, 2013
    Applicant: ROBOTZONE, LLC
    Inventor: Brian T. Pettey
  • Publication number: 20130052023
    Abstract: A pitch bearing for a wind turbine rotor includes a rotor hub and at least one rotor blade, the pitch bearing includes a cylindrical inner bearing ring connectable to a rotor blade of the wind turbine rotor, a cylindrical outer bearing ring connectable to the rotor hub of the wind turbine rotor and an annular reinforcement section for reinforcing the outer bearing ring. The annular reinforcement section adjoins the cylindrical outer bearing ring at its radial outer surface.
    Type: Application
    Filed: October 25, 2012
    Publication date: February 28, 2013
    Inventors: Martin Hededgaard Larsen, Anders Vangsgaard Nielsen, Steffen Frydendal Poulsen
  • Patent number: 8383239
    Abstract: A bearing comprises at least one inner ring and at least one outer ring. At least a part of the surfaces of the inner ring and/or the outer ring is coated with a layer consisting of or containing fullerene-like carbon nitride (FL-CNx), and wherein an inter-layer of chromium (Cr) or aluminum (Al) or molybdenum (Mo) or titanium (Ti) or tungsten (W) or a diamond-like coating (DLC) or a metal-mix diamond-like coating (Me-DLC) is arranged between the surface of the inner ring and/or the outer ring and the layer.
    Type: Grant
    Filed: July 29, 2006
    Date of Patent: February 26, 2013
    Assignee: Aktiebolaget SKF
    Inventors: Steuart Horton, Lars Hultman
  • Publication number: 20120314985
    Abstract: The invention provides a grease composition for a hub unit bearing employing an angular contact ball bearing, containing (a) as a thickener a mixture of diurea compounds represented by formula (I): R1—NHCONH—R2—NHCONH—R1, formula (II): R1—NHCONH—R2—NHCONH—R3, and formula (III): R3—NHCONH—R2—NHCONH—R3 wherein R1 is cyclohexyl group, R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, R3 is a straight-chain or branched alkyl group having 12 to 20 carbon atoms, and (R1/(R1+R3))×100=85 to 95 mol %; (b) a base oil; (c) a molybdenum dialkyldithiocarbamate; and (d) a calcium sulfonate. The grease composition of the invention, when used in the hub unit bearing, shows minimum leakage, excellent anti-flaking properties and satisfactory bearing lubrication life.
    Type: Application
    Filed: February 28, 2011
    Publication date: December 13, 2012
    Applicant: KYODO YUSHI CO., LTD.
    Inventors: Osamu Saita, Takashi Azuma, Masamichi Yamamoto
  • Publication number: 20120294562
    Abstract: A bearing race encapsulation apparatus, which has a spring assembly integrated into a hearing that allows the hearing to compensate for varying expansions and contractions caused by differences in temperature. The bearing race encapsulation apparatus includes an outer bearing ring with an end face and an outer face with a indent formed in the outer face. An encapsulation ring, which has a retention element that is snapped into the indent of the outer bearing ring, a first segment that extends axially outwardly from the retention element, and a second segment that extends radially inwardly from the first segment. A spring is arranged axially between the second segment of the encapsulation ring and the outer bearing ring to compensate for the expansion and contraction.
    Type: Application
    Filed: May 4, 2012
    Publication date: November 22, 2012
    Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: James Kevin BROWN, Charles SCHWAB, Jordan MILES, Michael TURNER, Brian LEE, Guihui ZHONG, Marion Jack INCE
  • Publication number: 20120275738
    Abstract: A lightweight bearing includes an inner race, an outer race and a plurality of rolling members. The outer race is provided with an inner layer and an outer layer that is connected with the inner layer and provided with a density smaller than that of the inner layer. The rolling members are rotatably disposed between the inner race and the inner layer of the outer race. Because the inner race and the inner layer of the outer race are both made from a material having a good wear resistance, they can resist the wear due to the friction caused by the rolling members in rolling contact with them. In addition, a part of the outer race is made from a material having a relatively smaller density, such that the lightweight bearing has a weight smaller than that of a conventional bearing.
    Type: Application
    Filed: April 17, 2012
    Publication date: November 1, 2012
    Inventor: Satoshi TANGE
  • Patent number: 8292509
    Abstract: A bearing arrangement for supporting a rotatable shaft relative to a support structure. The bearing arrangement has a first bearing having radially inner and outer races, the inner race being rotatable relative to the outer race in use, and a second bearing arranged such that the first bearing is mounted to the support structure via the second bearing. The second bearing may allow for deflection of the shaft supported by the bearing arrangement.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: October 23, 2012
    Assignee: Rolls-Royce PLC
    Inventors: David W. Montagu, John L. Gibbons
  • Patent number: 8282288
    Abstract: The invention relates to a double-row wheel bearing unit for a vehicle, comprising an axle journal fixed to the vehicle, and a wheel hub bearing a wheel flange rotatably mounted on said axle journal by means of two rows of rolling bodies spaced axially apart. In order to adapt the loading capacity of the rows of rolling bodies to the respective load conditions, the two rows of rolling bodies have different rolling circle diameters respectively adapted to the highest expected load.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: October 9, 2012
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Darius Dlugai, Dirk Holweger, Peter Niebling
  • Publication number: 20120213461
    Abstract: A mandrel assembly for a can body can decoration machine is provided. The mandrel assembly includes a bearing assembly that creates a virtual pivot point whereby the mandrel may pivot relative to the supporting mandrel shaft. To allow the mandrel to pivot relative to the mandrel shaft, the bearing assembly is located at one location and is the only contact point between the mandrel and the mandrel shaft.
    Type: Application
    Filed: April 26, 2012
    Publication date: August 23, 2012
    Inventor: KARL SCOTT FLEISCHER
  • Publication number: 20120192830
    Abstract: An internal combustion rotary piston engine includes a cylinder housing a power piston and a second piston which is coupled to the power piston. A shaft is coaxially supported in the cylinder and is able to rotate along a longitudinal axis that is fixed from translational motion along the axis. The pistons are mounted on the shaft in a manner where they can reciprocate along a shaft and rotate with a shaft. A track and bearing system couples the second piston to the cylinder and is configured to cause the second piston and thus the piston and shaft to rotate as the piston reciprocates along the shaft. The track of the track and bearing system is formed with a radius which is greater than the radius of the power piston. The torque produced by the engine can be varied by varying the radius of the track.
    Type: Application
    Filed: September 1, 2009
    Publication date: August 2, 2012
    Applicant: Are Engines Limited
    Inventor: Mansour Almassi