Sensor Or Inspection Features; Liquid Metal Or Shipping Protection Features; Bearing Member Integral With Seal Patents (Class 384/448)
  • Patent number: 10245884
    Abstract: A protective cover (1) having a reliable sensor holder part (3B) that prevents reduction in air tightness and strength of a division wall (B) between a magnetic sensor (A) and a magnetic encoder (16). The protective cover (1) is press-fitted into an outer ring to seal one axial end portion of a bearing, and has the sensor holder part (3B) holding the magnetic sensor (A). In the protective cover (1), a disc-shaped member (3) has a thick part (6) formed as a flow path for preferentially charging a molten resin into a thin part for forming the division wall (B) in a cavity of a molding die for use in injection molding between a position corresponding to a gate of the molding die and the division wall (B).
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: April 2, 2019
    Assignee: NAKANISHI METAL WORKS CO., LTD.
    Inventors: Osamu Fukuda, Yasuhiro Narazaki
  • Patent number: 10247235
    Abstract: A method for setting a preload in a bearing assembly, the bearing assembly having at least one rolling-element bearing with at least one bearing inner ring and at least one bearing outer ring, the method including changing the preload in the bearing assembly starting from an initial value and measuring the electrical resistance between the bearing inner ring and the bearing outer ring and terminating the changing of the preload in the bearing assembly in response to a target value for the electrical resistance being reached.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: April 2, 2019
    Assignee: Aktiebolaget SKF
    Inventor: Padelis Katsaros
  • Patent number: 10233973
    Abstract: A sealing device for insertion between a first and a second bearing part. The device including a rotating first shield, a stationary second shield, and an elastomeric sealing element having a first and a second sealing lip. The first shield includes a peripheral section having a first and a second axially extending sleeve portion connected by a first radially extending flange portion. The second shield including a support section for the lips, having an intermediate frustoconical portion that connects a second flange portion of the peripheral section to a mounting section of the second shield. The intermediate portion is positioned axially at a step formed by the first flange portion and by the first sleeve portion. The mounting section is arranged partially inside the second sleeve portion to form an axially directed labyrinth seal that is in metal-to-metal contact with the second bearing.
    Type: Grant
    Filed: March 27, 2017
    Date of Patent: March 19, 2019
    Assignee: Aktiebolaget SKF
    Inventors: Janek Wollert, Julian Veeh
  • Patent number: 10190639
    Abstract: A sensor unit for a bearing includes a main body, a sensor holder and a mounting bracket. The sensor holder has a measurement surface in a first plane on which at least one sensor is provided for measuring an operating parameter of the bearing. Each mounting bracket has an attachment portion having an attachment surface. The sensor unit is configured to contact the bearing ring that forms part of an assembly in which the bearing is mounted. The sensor holder has one or more extendable legs that are extendable in a longitudinal direction perpendicular to the first plane, such that the measurement surface is adjustable in longitudinal direction relative to the main body. The mounting brackets are linearly movable and pivotable relative to the main body. The sensor unit has a first attachment position and a second attachment position.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: January 29, 2019
    Assignee: Aktiebolaget SKF
    Inventor: Andrew Campbell
  • Patent number: 10184518
    Abstract: A bearing assembly is provided with an improved mounting for a temperature sensor for monitoring a temperature of a race of the bearing. The assembly includes a temperature sensor assembly mounted to the race of the bearing and a thermal insulator arranged to thermally insulate the sensor from heat exchange with the surrounding environment and/or neighboring components to which the bearing or assembly is mounted, in order to improve accuracy, reliability and speed of response of the temperature sensor readings.
    Type: Grant
    Filed: August 12, 2015
    Date of Patent: January 22, 2019
    Assignee: Safran Electrical and Power UK Ltd
    Inventor: Darren Howard
  • Patent number: 10180160
    Abstract: A hub unit includes an outer ring, an inner shaft, rolling elements and a sealing device. The outer ring includes an outer ring body and an outer ring flange. The inner shaft includes an inner shaft body and an inner shaft flange. The outer ring body includes a first portion and a second portion. The first portion is an end part on the outer side of the outer ring body. The second portion is a part of the outer ring body between the first portion and the outer ring flange. The second portion includes an upper build-up portion. The upper build-up portion is formed in an upper part of the second portion and a thickness of the build-up portion is larger than thicknesses of side parts of the second portion. An upper end of the upper build-up portion is higher than an upper end of the first portion.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: January 15, 2019
    Assignee: JTEKT CORPORATION
    Inventors: Yuya Inoue, Takaaki Onizuka, Toshihiro Hakata, Teruyuki Wakisaka, Takuya Toda
  • Patent number: 10132359
    Abstract: A bearing unit having a bearing centered on a central axis and including a rotating inner ring, a non-rotating outer ring, and at least one row of rolling elements arranged between the rings. The bearing unit further includes an impulse ring including a target holder that radially extends from the rotating inner ring and radially beyond the outer ring, a target that is fixed to an outer periphery of the target holder beyond the outer ring and that is adapted to cooperate with a detection device for tracking the rotation of the impulse ring around the central axis, and a fixing sleeve.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: November 20, 2018
    Assignee: AKTIEBOLAGET SKF
    Inventors: Sylvain Chaussat, Vincent Sausset
  • Patent number: 10087990
    Abstract: A friction-enhancing lacquer contains a binder and hard material particles. The hard material particles include a titanium-boron compound or consist essentially of a titanium-boron compound, such as titanium diboride. The friction-enhancing lacquer is applied to the surface of a machine part, such as a bearing inner ring, outer ring or other bearing component, in order to increase its coefficient of friction and minimize or prevent slippage relative to another machine part clamped thereto. Also a bearing component coated with such a lacquer.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: October 2, 2018
    Assignee: AKTIEBOLAGET SKF
    Inventor: Thilo von Schleinitz
  • Patent number: 10077809
    Abstract: A rolling bearing with an electrical circuit is disclosed. The rolling bearing includes a first electrically insulating layer, at least one second electrically insulating layer deposited directly on at least one surface section of the rolling bearing, a first electrically conductive layer provided over the first electrically insulating layer, conductor paths with contact positions adapted for electrical contacting of electrical components, and at least one second electrically conductive layer. The at least one second electrically conductive layer is structured and supported on the at least one second electrically insulating layer. The first electrically insulating layer and the first electrically conductive layer with the conductor paths and the contact positions are deposited on the at least one second electrically conductive layer.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: September 18, 2018
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Andreas Schiffler, Jurgen Gierl, Jens Heim
  • Patent number: 10066665
    Abstract: Provided is a sensor-equipped wheel support bearing assembly for rotatably supporting a wheel, including a sensor unit associated with one of outer and inner members that serve as a stationary member. The sensor unit includes a strain generator member that has at least three fixation contact segments fixedly in contact with the stationary member and at least two strain sensors mounted on the strain generator member. A first load estimator is provided to estimate load acting on the bearing assembly, using an average value of output signals of the sensors. A second load estimator is provided to estimate load acting on the bearing assembly, using the average value and an amplitude value of output signals of the sensors. An estimated load provider is provided to sum these outputs from the load estimators in a ratio that depends on wheel rotation speed, for outputting an estimated load.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: September 4, 2018
    Assignee: NTN CORPORATION
    Inventors: Toru Takahashi, Ayumi Akiyama, Takayuki Norimatsu, Kentarou Nishikawa
  • Patent number: 10041820
    Abstract: An integration element including a shaft and a housing, wherein the housing includes a passage for the shaft and the shaft includes connecting elements on the shaft ends which are accessible from outside the housing, these elements providing a rotationally-fixed connection to connecting shafts. The housing has at least one connection for fastening to a connection structure and the shaft together with the housing delimits a measuring equipment space for receiving measuring equipment. The housing is formed by at least two housing parts detachably connected to each other, said housing parts being designed to be separated around the full extent of their circumference surrounding the shaft to allow access to the measuring equipment space. The housing has bearing seats for shaft bearings and these shaft bearings support the shaft in a rotatable manner with respect to the housing.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: August 7, 2018
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Jorg Bauer, Marco Frank, Armin Gerner, Bernd Wittmann, Christian Lehmann, Matthias Sperber
  • Patent number: 10031048
    Abstract: A method for performing condition monitoring on a plurality of wind turbines of a wind farm comprises for each wind turbine, obtaining at least one vibration signal representing vibrations of one or more monitored components; generating a plurality of faulty frequency indexes on the basis of one or more of the obtained vibration signals, and in such a manner that variations in rotational speed of one or more rotating shafts of the wind turbine are filtered; comparing faulty frequency indexes originating from different wind turbines; and determining the condition of each of the monitored components based on the comparison.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: July 24, 2018
    Assignee: VESTAS WIND SYSTEMS A/S
    Inventors: Khoon Peng Lim, Yu Zhou, Wanying Chen
  • Patent number: 9989094
    Abstract: A wheel bearing apparatus has an outer member, an inner member, and double row rolling elements contained between the outer raceway surfaces and inner raceway surfaces of the outer member and the inner member. A cup-shaped steel protective cover is mounted on the inner-side end of the outer member. The cover fitting portion has a cylindrical portion, a radially reduced portion and an elastic member. The elastic member has an annular projection and a contact lip. When the protective cover is fit into the outer member, the annular projection closely contacts with the fitting surface while elastically deforming and the contact lip elastically contacts the inner-side end of the outer member.
    Type: Grant
    Filed: September 10, 2016
    Date of Patent: June 5, 2018
    Assignee: NTN Corporation
    Inventor: Tomoya Yamada
  • Patent number: 9956821
    Abstract: Wheel bearing unit with a wheel hub, wherein the wheel hub has an integrally formed wheel flange on one end thereof and an inner ring that is rotatable together with the wheel hub, wherein the inner ring is fastened on the wheel hub through the use of a rolling rivet connection in order to pre-tension a row of rolling elements in relation to an outer ring, and with an encoder provided on the inner ring and extending radially towards the outer ring, and with a protective cover fixed on the outer ring in order to close and seal annular openings formed between the outer ring and the wheel hub, and wherein a cylindrical section of the protective cover is pressed in and wherein a bottom section extends inwardly from the cylindrical section in a radial direction in order to cover an inner-side end of the wheel hub, wherein the cylindrical section is joined with a substance bond to the outer ring and wherein the substance-bond connection is produced through the use of a hardening fluid and wherein the fluid is held
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: May 1, 2018
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Andreas Kaiser, Florian Koniger, Frank Eichelmann, Ralf Heiss, Markus Reuter, Jonas Lang
  • Patent number: 9951820
    Abstract: A bearing with a wear surface sensor configured to wirelessly transmit information comprising a bearing wear surface containing a wear surface sensor wherein the wear surface sensor includes one or more connecting wires for transmitting a data signal from the wear surface sensor indicative of the state of wear of the bearing wear surface. The one or more connecting wires extend outside of the bearing wear surface and are connected to a radio frequency communicator for transmitting a data signal from the sensor indicative of the state of wear of the bearing wear surface. The radio frequency communicator and the sensor are fixed relative to one another such that the connecting wires are not flexed to failure during bearing use.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: April 24, 2018
    Assignee: NEW HAMPSHIRE BALL BEARINGS, INC.
    Inventors: Graham Andrew Dowie, Brandyn Duane Lewis, Richard R. Soelch
  • Patent number: 9920791
    Abstract: A rolling bearing with a rotation sensor includes an inner race and an outer race, one of which is a rotating race and the other of which is a stationary race. An annular magnetic encoder alternately magnetized in opposite polarities in its circumferential direction is mounted on the rotating race. A magnetic sensor configured to detect the changes in magnetic flux when the magnetic encoder is rotated is mounted in a resin sensor housing mounted on the stationary race. The sensor housing is made of a resin material including a resin composition containing polyphenylene sulfide, an inorganic filler, and glass fiber.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: March 20, 2018
    Assignee: NTN CORPORATION
    Inventor: Hiroyoshi Ito
  • Patent number: 9915287
    Abstract: A method for determining at least one preloading force (K) acting between a carrying body (7) and a rolling-element bearing (2) of a bearing assembly (1), which rolling-element bearing is mounted on the carrying body, and the bearing assembly includes the rolling-element bearing and the at least one sensor device (3). The sensor device is arranged in or on the rolling-element bearing in an installation position (E1) and is coupled to an evaluating device (10) in a signaling manner. The sensor device senses the preloading force, produces at least one signal (S) in accordance with the preloading force, and transmits the signal to the evaluating device, and the evaluating device evaluates the signal in order to measure the preloading force and the sensor device is permanently decoupled from the evaluating device after the evaluation of the signal.
    Type: Grant
    Filed: August 20, 2014
    Date of Patent: March 13, 2018
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Alexander Hofmann, Rainer Gebauer
  • Patent number: 9816896
    Abstract: A bearing arrangement having an inner race and an outer race, between which rolling elements are disposed, the rolling elements being accommodated in a bearing cage. At least one rolling element is designed as a sensor rolling element, and the bearing cage is designed as a pin cage having multiple pin elements that at least partially accommodate the rolling elements and the at least one sensor rolling element, and a sensor rolling element for a bearing arrangement of this kind are disclosed.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: November 14, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Paul Meaney, Nicolaas Simon Willem Den Haak, Matthias Hofmann, Baozhu Liang, Hans-Juergen Liesegang
  • Patent number: 9784319
    Abstract: There is provided a structure capable of sufficiently securing sealing performance by a cap (19a). In a state where a fitting insert (44) formed of a nonmagnetic material having a bottomed cylindrical shape is fixed to an inner diameter side of a cap cylindrical part (22a) constituting a cap body (20a) formed of a synthetic resin having a bottomed cylindrical shape, an axially outboard end opening of a through-hole (25a) formed in a cap bottom part (23a) of the cap body (20a) is closed by an axially inboard surface of an insert bottom part (48) of the fitting insert (44). An outer circumferential surface of an insert cylindrical part (47) of the fitting insert (44) is directly fitted into and fixed to an inner circumferential surface of an axially inboard end of an outer ring (2).
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: October 10, 2017
    Assignee: NSK LTD.
    Inventor: Yuji Nakamura
  • Patent number: 9752622
    Abstract: The portion axially opposed to an encoder 13a in a bottom part 23a constructing the cap 19a for closing an opening of an axially inboard end of an outer ring 2 is formed with a through hole 25a pierced in an axial direction. And, the bottomed cylindrical sensor insertion case 26a made of a non-magnetic material is axially inserted into an inside of the through hole 25a with a bottom plate part 35a facing to the lead, and is internally fitted to the inside of the through hole 25a. Also, a rubber O ring 56 is pinched in annular space 55 formed between an outer peripheral surface of a cylindrical part 39a constructing the sensor insertion case 26a and an inner peripheral surface of a middle-diameter hole part 53 constructing the through hole 25a in a state having a radial interference.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: September 5, 2017
    Assignee: NSK LTD.
    Inventor: Harumi Takanashi
  • Patent number: 9752898
    Abstract: An axial-type magnetic encoder includes an annular fixing member that is fabricated by press molding, and an annular plastic magnet that is attached by injection molding to a sensor-opposed surface of the annular fixing member. When the annular fixing member includes a cylindrical part and an inward flange part extended radially inward from an end edge of the cylindrical part, the magnetic encoder has a high-form accuracy surface on the sensor-opposed surface more radially outward than a range of a diameter (d?2·r) determined by an inner diameter d of the cylindrical part and a radius r of a corner between the cylindrical part and the inward flange part. An outer diameter of the annular plastic magnet is positioned on the high-form accuracy surface.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: September 5, 2017
    Assignee: NAKANISHI METAL WORKS CO., LTD.
    Inventors: Masayuki Taki, Mitsuru Saitoh
  • Patent number: 9745997
    Abstract: A number of variations may include a turbocharger bearing housing comprising a bearing bore, a rolling element bearing assembly including an inner race and an outer race having a plurality of ball bearings disposed therebetween, wherein the rolling element bearing assembly is disposed within the bearing bore, a shaft for rotating the rolling element bearing assembly, located and supported within the inner race, a tubular bearing spacer, having at least one radial opening, positioned within the bearing bore, a mounting bore, a generally tubular insert mounted in the mounting bore and extending into the at least one radial opening of the tubular bearing spacer, and a rotational speed sensor mounted to the tubular insert via threaded fitting or friction fit.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: August 29, 2017
    Assignee: BorgWarner Inc.
    Inventor: Jason W. Chekansky
  • Patent number: 9731549
    Abstract: The invention relates to a wheel bearing unit (1) for supporting a vehicle wheel which can be driven. This wheel bearing unit (1) includes a wheel hub (2) which forms a hollow space (11) and is rotatably supported by a wheel bearing (3) formed as a rolling bearing, wherein the wheel bearing is inserted (3) in a wheel carrier. Furthermore the wheel hub (2) is connected by a hub flange (21) to the vehicle wheel and reciprocally to the hub flange (21) by an end toothing (9) in positive engagement with a drive joint (8). A measurement of a torque or a torsion takes place by a sensor (18) at an inner wall (17) of the hollow space (11) of the wheel hub (2).
    Type: Grant
    Filed: May 14, 2014
    Date of Patent: August 15, 2017
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Christian Mock, Christian Schmitt, Florian Koniger
  • Patent number: 9719556
    Abstract: A journal foil air beating includes: a top foil located to face an outer circumferential surface of a rotating shaft and surround the rotating shaft; a bump foil being an elastically deformable member and located to surround the top foil; a base foil located to surround the bump foil, and a coupling unit configured to couple the first end portion of the top foil, the first end portion of the bump foil, the first end portion of the base foil, and the second end portion of the base foil, wherein the base foil, the bump foil, and the top foil are modularized into one piece by the coupling unit. According to the present invention, the journal foil air bearing may be easily assembled in advance and modularized into one piece, may be very conveniently mounted or disassembled on a bearing housing in a workplace.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: August 1, 2017
    Assignee: TNE KOREA CO., LTD.
    Inventor: Kyeong Su Kim
  • Patent number: 9701159
    Abstract: A sealing device for a wheel hub assembly having an outer ring and an inner ring. The sealing device includes a first (stationary) annular shield and a second (rotating) annular shield, each having a journalling portion and a flange portion radially extending in cantilever fashion from the journalling portion and towards the other shield; and an annular sealing element carried by the first shield and provided with a plurality of annular sealing lips. The first shield is coupled radially on the outside of the outer ring. The second shield flange portion includes a radially outer annular stretch opposite the journalling portion, extending axially towards the first shield and is incurved radially from the exterior towards the interior, on the side opposite the first shield, forming a U-arranged parallel to a common symmetry axis of the first and second shields, having a concavity thereof facing the side opposite the first shield.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: July 11, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Daniele Duch, Fausto Morello
  • Patent number: 9677615
    Abstract: A bearing ring comprising at least one jamming bead of a seal, each bead protruding relative to a radial surface of the ring, in an orthoradial direction relative to a central axis of the ring.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: June 13, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Benoit Arnault, Stephane Gaultier
  • Patent number: 9638256
    Abstract: A bearing assembly for mounting relative to a housing is provided that includes a bearing ring, a plurality of rotational members, and a bearing ring baffle. The bearing ring has a housing surface, an inner radial surface, a first axial end, a second axial end, and a plurality of channels disposed in the first axial end of the ring. The bearing ring baffle has a housing surface, an inner radial surface, a first axial end, a second axial end, and a plurality of fins extending out from the second axial end of the baffle. The fins and channels are configured to mate with one another and to create at least one passage there between, and the passage is con figured for the passage of lubricant there through.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: May 2, 2017
    Assignee: United Technologies Corporation
    Inventor: Kevin Duffy
  • Patent number: 9623703
    Abstract: A vehicle wheel bearing apparatus has an outer member, an inner member, double row rolling elements, and seals. At least one seal of the seals has a metal core press-formed from steel sheet with a cylindrical fitting portion. A radial portion extends radially inward from the end of the fitting portion. A sealing member with a plurality of sealing lips is integrally adhered to the fitting portion of the metal core. Bearing grease is contained within the bearing. Sealing grease is applied to the sealing lips. Both the bearing grease and the sealing grease use the same thickener and the worked penetration of 350 or less. The kinematic viscosity of the base oil of the sealing grease at 40° C. is set to 70% or less of the kinematic viscosity of the base oil of the bearing grease at 40° C.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: April 18, 2017
    Assignee: NTN Corporation
    Inventor: Yasushi Shibata
  • Patent number: 9594090
    Abstract: A planetary gearset is provided in a transmission for a vehicle. The planetary gearset includes a carrier that rotates about the axis. Tone wheels can be used as part of a speed-sensing mechanism in which the tone wheel includes surface features on an outside surface, and a speed sensor senses the surface features as they rotate about the axis and past the speed sensor. The tone wheel is connected to the carrier via a press-fit or interference-fit. To do so, the tone wheel includes legs or flanges that extend inward from an inner surface of the tone wheel. The legs or flanges flex as the tone wheel is pressed onto the carrier. The legs or flanges securely attach the tone wheel to the carrier.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: March 14, 2017
    Assignee: Ford Global Technologies, LLC
    Inventors: Bradley Ronald Heuver, Brandon David Lint, Peter Schultz
  • Patent number: 9574611
    Abstract: A sensor (20) arranged in a deep groove ball bearing (10) includes an encoder (22) attached at an inner ring (1) to be rotatable integrally with the inner ring (1), and a magnetism detecting element (24) attached at an outer ring (2) via a sensor housing (26) to face the encoder (22) with a sensor gap. Then, the magnetism detecting element (24) is capable of measuring a rotating state of the encoder (22) rotating in the rotating state identical to that of the inner ring (1) in conjunction with a rotation of the inner ring (1). The deep groove ball bearing (10) includes a foreign material entering prevention portion that prevents a foreign material from entering the inside of the bearing from a gap between the inner ring (1) and the sensor housing (26).
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: February 21, 2017
    Assignee: NSK Ltd.
    Inventors: Kazuhiro Ohira, Katsuaki Denpou
  • Patent number: 9574604
    Abstract: A circuit board (4) for connecting a deformation sensor (16, 18), which is provided on a radial outer side of a rolling bearing outer ring (6), to a signal-processing circuit (28), the circuit board including—a cylindrical support plate (20) having a cylinder opening in which the rolling bearing outer ring (6) can be accommodated concentrically to said cylindrical support plate (20), —an electrical contact pad (22) on the cylindrical support plate (20) for electrical contacting with the deformation sensor (16, 18) and—an electrical strip conductor (26) which is electrically connected to the electrical contact pad (22) and is designed to receive signals from the deformation sensor (16, 18) and convey them to the signal-processing circuit (28).
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: February 21, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Jens Heim, Jakob Schillinger, Dietmar Huber, Stephan Risch
  • Patent number: 9546689
    Abstract: A machine arrangement, including at least one bearing ring, wherein a glass fiber is connected with the machine arrangement. To allow a proper measurement of stresses even at curved surfaces of the machine arrangement as it is typical in the case of bearing rings, the connection between the glass fiber and the machine arrangement is established by a metallic material which metal material is connected by material bonding with the machine arrangement as well as with the glass fiber.
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: January 17, 2017
    Assignee: AKTIEBOLAGET SKF
    Inventors: Hongyu Yang, John F. van de Sanden, Hendrik Anne Mol
  • Patent number: 9527345
    Abstract: A wheel bearing apparatus has an outer member, an inner member and double row rolling elements. A pulser ring is fit onto the inner ring. A second cap is fit on the inboard-side end of the outer member. A rotational speed sensor is mounted on the second cap. A cup-shaped first cap is press-fit into the inner circumference of an inboard-side end of the outer member. The first cap has a cylindrical fitting portion press-fit into the outer member. A disk portion extends radially inward from the fitting portion. The sensor abuts the disk portion. The second cap is press-fit into the inner circumference of an inboard-side end of the outer member via a predetermined interference.
    Type: Grant
    Filed: September 20, 2014
    Date of Patent: December 27, 2016
    Assignee: NTN Corporation
    Inventors: Syougo Suzuki, Shigeaki Fukushima, Masuo Takaki, Sadako Takada, Hisashi Ohtsuki
  • Patent number: 9523245
    Abstract: A rock drilling shank adaptor includes an elongate body having an internal flushing bore and an entry hole through the sidewall of the adaptor in fluid communication with the internal bore. The flushing hole is optimized to reduce the likelihood of fracture at the wall of the adaptor and in particular includes straight sections at axially forward and rearwardmost regions of the hole.
    Type: Grant
    Filed: September 1, 2014
    Date of Patent: December 20, 2016
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Rasmus Hemph, Tomas Sh Jansson
  • Patent number: 9518609
    Abstract: A sensor equipped wheel support bearing assembly, in which a continuous estimated load can be obtained depending on various inputted load conditions is provided. The sensor equipped wheel support bearing assembly includes a sensor unit provided in a stationary member, and a load estimating unit. The load estimating unit includes a load estimation calculating section for calculating the load using an estimation calculating equation, an evaluation value calculation section for calculating an evaluation value, which provides a parameter switching index in the estimation calculating equation, from sensor output signals, and a parameter switching section for switching the parameter based on a comparison result of the evaluation value with a threshold value. The load estimation calculating section includes a calculation correcting block for correcting the calculation result on both sides of the threshold value within a predetermined evaluation value region containing the threshold value.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: December 13, 2016
    Assignee: NTN CORPORATION
    Inventors: Ayumi Akiyama, Toru Takahashi, Kentarou Nishikawa, Takayuki Norimatsu
  • Patent number: 9464703
    Abstract: A ball screw capable of sensing a preload is formed of a nut having an internal thread surrounding an imaginary central axis, a screw inserted into the nut and having an external thread surrounding the imaginary central axis, and a plurality of balls are mounted between the internal and external threads in a way that the balls roll therebetween. A mounting hole having a mounting surface therein is formed in the nut. The mounting surface corresponds to the internal thread in a way that it is substantially perpendicular to the imaginary central axis. A force sensor is mounted to the mounting surface. The force sensor can directly sense the preload in real time, so it is uneasily adversely affected by any environmental factor to have more accurate sensing result relatively.
    Type: Grant
    Filed: July 17, 2013
    Date of Patent: October 11, 2016
    Assignee: NATIONAL CHUNG CHENG UNIVERSITY
    Inventors: Yeau-Ren Jeng, Yu-Xian Huang
  • Patent number: 9441666
    Abstract: A roller bearing that includes an outer ring, a first inner ring, and a first sealing ring that is disposed axially adjacent of the outer ring is provided. The roller bearing also includes a first retaining ring that is attached to the outer ring. The first sealing ring is fixed between the first retaining ring and a first clamping ring.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: September 13, 2016
    Assignee: AKTIEBOLAGET SKF
    Inventor: Matthias Hofmann
  • Patent number: 9399373
    Abstract: Arrangement including a portion of a radially outer lateral surface of an inner ring of wheel hub having an annular step formed on a constant velocity joint. The step is adapted to receive a first shield, a flange portion that radially extends to protrude towards an outer ring of a wheel hub, in front of a flange portion of a second shield, from a first end of a sleeve portion of the first shield facing on the side opposite of the constant velocity joint and axially protrudes from the inner ring and towards the joint, defining a tubular element arranged straddling wheel hub and an outer ring of the constant velocity joint, having an opposite second end, supporting an annular seal; an annular signal generating insert covers a face of the flange portion, wherein a radially inner annular part of face defines a thrust shoulder for mounting the first shield.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: July 26, 2016
    Assignee: AKTIEBOLAGET SKF
    Inventors: Daniele Duch, Fausto Morello
  • Patent number: 9347486
    Abstract: The bearing unit includes a bearing 1 and bearing unit forming component parts such as, for example, a housing 11 in which the bearing is incorporated, a shaft 19, covers 3 and 4 and a sealing member 10 for the housing. In this bearing unit, at least one of the bearing unit forming component parts is fitted with an IC tag 15 and an IC tag 16 is also fitted to the bearing 1. The IC tag 16 fitted to the bearing unit forming component part is of a read/write type whereas the IC tag 16 fitted to the bearing 1 is of a read-only type. The read-only IC tag 16 fitted to the bearing 1 is recorded with information necessary to correlate the bearing unit forming component part, to which the IC tag 15 is fitted, with the bearing unit 1.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: May 24, 2016
    Assignee: NTN Corporation
    Inventors: Seiichi Takada, Yukihiro Takeda, Hideshi Nishiwaki, Makoto Tanaka
  • Patent number: 9261144
    Abstract: A device including a sealing assembly having a first annular shield constrainable to a rotating first member, a second annular shield facing the first shield and constrainable to a stationary second member, and an annular seal supported by the first shield and provided with annular lips cooperating with the second shield. The device has a signal generator device having a third shield constrainable to the first member and an annular signal generator element arranged facing the first and the second shields; wherein the first shield has a flange portion, having on a side of the first shield, a first and a second L-fold in opposite directions which delimit a first annular surface facing the annular lips and the second shield; wherein the annular signal generator element is delimited towards the second shield by a second annular surface facing the annular lips forming an obtuse angle with the first annular surface.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: February 16, 2016
    Assignee: AKTIEBOLAGET SKF
    Inventor: Daniele Duch
  • Patent number: 9243645
    Abstract: A fixture used in a rotary machine which includes a rotary unit which has a rotary shaft, and a stationary unit which rotatably supports the rotary shaft, includes: a plate which comes into contact with an end portion of the rotary shaft; a fastening member which fixes the plate to the end portion of the rotary shaft; and a constraining member which connects the plate and the stationary unit, and constrains the plate from moving with respect to the stationary unit in an axial direction and a rotation direction.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: January 26, 2016
    Assignee: Mitsubishi Heavy Industries Compressor Corporation
    Inventors: Hitoshi Shinohara, Mitsuhiko Ota
  • Patent number: 9222808
    Abstract: In a radial optical path type rotary encoder, in order to be able to reduce deterioration of resolution and variation among products due to burrs during molding and/or rounding of a die, a scale for a rotary encoder is provided with a scale body which is formed substantially in a cylindrical shape, the scale body having a side surface portion in which a light transmitting portion through which light passes and a light blocking portion by which light with a predetermined width in a circumferential direction is blocked are formed alternately in the circumferential direction, wherein the side surface on a light-incident side of the light blocking portion is formed outside a light transmittable region having an outer edge defined by a light beam tangent to the side surface of the light blocking portion amidst the light passing through the light transmitting portion, in a lateral cross-section view.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: December 29, 2015
    Assignees: Kodenshi Corporation, Komatsulite Mfg. Co., Ltd.
    Inventors: Hideji Fukuda, Takuya Sunada
  • Patent number: 9222376
    Abstract: Various systems are provided for a cam follower of a cam follower system. In one embodiment, a cam follower of a cam system comprises a tappet positioned between a cylinder valve and a camshaft, the tappet configured to drive the cylinder valve, a roller, and a pin coated with a diamond-like carbon coating coupling the roller to the tappet, the pin having a depressed contour on an outer surface of the pin.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: December 29, 2015
    Assignee: General Electric Company
    Inventors: Keith Edward Massing, David Robert Furedy
  • Patent number: 9188165
    Abstract: An ABS encoder arrangement including an annular disk core which bears a multipole structure, and a sealing ring element including an angular ring and an elastomer body forming a sealing lip structure, the angular ring including a lateral surface portion and an annular disk portion which protrudes radially inwards, the annular disk core being designed so as to project radially inwards beyond the inner circumferential surface of the lateral surface portion of the angular ring so as to form an annular projection, and a filling ring formed from an elastomer material being attached to the inner circumferential surface, the thickness of said filling ring being larger in radial direction than the size of the projection of the annular disk core in radial direction.
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: November 17, 2015
    Assignee: Schaeffler Technologies GmbH & Co. KG
    Inventors: Peter Niebling, Andreas Becker
  • Patent number: 9126476
    Abstract: An in-wheel motor drive assembly (11) includes a motor unit that drivingly rotates a motor-side rotating member, a speed reduction unit that reduces the rotational speed of the motor-side rotating member and transmits the reduced rotation to a wheel-side rotating member, a wheel hub (26) that is fixedly coupled to the wheel-side rotating member, a wheel hub bearing that rotatably supports the wheel hub (26), a casing (12) that covers the motor unit, the speed reduction unit, and the wheel hub bearing, a plurality of sensors (43) that are mounted on the casing (12) and capable of detecting strain generated in the casing (12), and a signal processor (46) that calculates load imposed on a wheel on the basis of strain signals output from the sensors (43).
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: September 8, 2015
    Assignee: NTN CORPORATION
    Inventor: Toru Takahashi
  • Patent number: 9127718
    Abstract: A rotation detection set comprises an encoder washer rotatable around a rotation axis, at least one sensor adapted to detect a rotation parameter of the encoder washer through an air gap, a support member for holding the sensor with respect to the rotation axis and a mounting member for immobilizing the support member with respect to a fixed structure. The mounting member is made of one piece of magnetic material and has a first wall located on the same side of the air gap as the encoder washer and a second wall located on the same side of the air gap as the sensor whereas a magnetic body of the encoder washer, the air gap and the sensor are located in a volume defined by the mounting member between the two walls.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: September 8, 2015
    Assignee: AKTIEBOLAGET SKF
    Inventors: Florian Barcat, Sylvain Chaussat, Pierrick Maze
  • Patent number: 9074631
    Abstract: A wheel bearing arrangement with first rolling elements, which are capable of rolling on a first inner ring, wherein the rolling elements are guided by a first roller bearing cage, and an axial spacer element is provided for spacing apart the first inner ring from a bearing element, wherein the bearing element can in particular be a second inner ring. The intention is to facilitate the complex installation of the individual parts in wheel bearings for utility vehicles. The first rolling element cage forms, together with the axial spacer element, an axial form-fitting connection. The spacer element can be fixed to at least one of the inner rings via the form-fitting connection to the cage prior to tightening the wheel hub, together with the wheel bearing preinstalled thereon.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: July 7, 2015
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Christian Horn, Marc-Andre Schaefer
  • Patent number: 9056523
    Abstract: A wheel bearing apparatus has a cup-shaped cap that is coated by a preserving film and mounted on an outer member. The cap is press-formed from non-magnetic steel sheet. The cap has a cylindrical fitting portion, a disk portion and a bottom portion. The cylindrical fitting portion is press-fit into the inner circumference of the inner-side end of the outer member. The disk portion extends radially inward from the fitting portion and opposes a pulser ring, via a small axial gap. The bottom portion extends from the disk portion, via a bent portion, to cover the inner-side end of the inner member. The rotational speed sensor is arranged opposite the pulser ring, via the disk portion of the cap, where the rotational speed sensor is closely arranged to the pulser ring.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: June 16, 2015
    Assignee: NTN Corporation
    Inventor: Takayuki Norimatsu
  • 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: 20150131934
    Abstract: A magnetic encoder type hub bearing unit may include a sealed cap which is coupled to a knuckle for fixing a hub bearing located on a hub so that an inner space for blocking the hub bearing to the outside is defined, an inner housing made of a steel material being exposed toward the inner space, an encoder which is located in the inner space while being spaced apart from a surface of the inner housing, and a WSS (Wheel Speed Sensor) which is inserted into the sealed cap such that a sensor head portion is located toward the surface of the inner housing, wherein an air gap is formed by a distance between the encoder and the surface of the inner housing and a thickness of the inner housing.
    Type: Application
    Filed: September 23, 2014
    Publication date: May 14, 2015
    Inventor: Jong-Sung Park