Patents Examined by James Pilkington
  • Patent number: 11512741
    Abstract: Disclosed is a packaging sleeve for a full complement needle roller bearing, wherein the packing sleeve is adapted to accommodate at least one set of needles of a full complement needle roller bearing, and wherein the packaging sleeve comprises an outer cylindrical sleeve, wherein a shoulder is arranged on an inner surface of the outer cylindrical sleeve so that the set of needles abut against the shoulder when being arranged in the outer cylindrical sleeve. Furthermore, a packaging sleeve arrangement including such a packaging sleeve and a method for mounting a packaging sleeve are disclosed.
    Type: Grant
    Filed: February 2, 2021
    Date of Patent: November 29, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventors: Junhong Feng, Harald Metz
  • Patent number: 11512740
    Abstract: A combined electrical insulator and conductor assembly for a bearing disposable between a shaft and a housing includes an annular insulator disposable about the bearing outer ring and configured to prevent electric current flow between the outer ring and the housing and including a plurality of projections extending axially along and spaced circumferentially about a centerline. A conductor includes a conductive disk with an outer radial end engageable with the housing inner surface, an inner radial end defining a central opening for receiving the shaft and openings each receiving a separate one of the plurality of projections of the insulator such that the disk is axially displaceable relative to the insulator. An annular conductive brush subassembly is coupled with the conductive disk and includes a plurality of electrically conductive fibers contactable with the shaft outer surface so as to provide a conductive path between the shaft and the disk.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 29, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventors: Nicolas Berruet, Paul Feliciano, Mathieu Hubert, Tommy Jullien, Gene Kovacs, Thomas Perrotin, Dave Christopher Rybski, Anthony Simonin, Collin Snyder
  • Patent number: 11512533
    Abstract: Bearing assemblies that include a plurality of polycrystalline diamond (“PCD”) bearing elements, bearing apparatuses including such bearing assemblies, and methods of operating and fabricating such bearing assemblies and apparatuses are disclosed. In an embodiment, the plurality of PCD bearing elements of one or more of the bearing assemblies disclosed herein include at least one first PCD bearing element. At least a portion of the first PCD bearing element exhibits a coercivity of about 125 Oersteds or more and a specific magnetic saturation of about 14 Gauss·cm3/gram or less. The first PCD bearing element includes a bearing surface with at least one groove formed therein. In an embodiment, the plurality of PCD bearing elements also include at least one second PCD bearing element. The second PCD bearing element exhibits a coercivity that is less than and a specific magnetic saturation that is greater than the first PCD bearing element.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: November 29, 2022
    Assignee: US Synthetic Corporation
    Inventors: Tyler Kolste, S. Barrett Peterson, Jair J. Gonzalez, Trond Pedersen
  • Patent number: 11493089
    Abstract: A rolling bearing makes use of a porous rolling element and a selected kind of lubricant to impregnate with; is usable in various conditions; does not discharge foreign objects; and features low dust generation and long life. The rolling bearing includes an outer ring 2; an inner ring 1; and a plurality of rolling elements 3 assembled between mutually opposed outer ring track surface 2a and inner ring track surface 1a. The plurality of rolling elements 3 is provided by a combination of a porous rolling element 3a impregnated with a lubricant and a non-porous rolling element 3b.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: November 8, 2022
    Assignee: NTN Corporation
    Inventor: Tsutomu Maiwa
  • Patent number: 11493090
    Abstract: A bearing cage for a rotor bearing of a turbomolecular pump. The bearing cage includes a plurality of bearing pockets each of which, in use, houses a bearing ball such that the bearing ball operably engages an inner race and an outer race of the rotor bearing. Each bearing pocket of the bearing cage has a primary chamber for housing the bearing ball and each bearing pocket further includes a sump.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: November 8, 2022
    Assignee: Edwards Limited
    Inventor: Emiliano Lucchetta
  • Patent number: 11486445
    Abstract: A combined electrical insulator and conductor assembly for a bearing disposable between a shaft and a housing includes an annular insulator disposable about the bearing outer ring and configured to prevent electric current flow between the outer ring and the housing and including projections extending axially along and spaced circumferentially about a centerline. A conductor preferably includes a conductive disk with an outer radial end engageable with the housing inner surface, an inner radial end defining a central opening for receiving the shaft and openings each receiving a separate one of the plurality of projections of the insulator such that the disk is axially fixed relative to the insulator. An annular conductive brush subassembly is coupled with the conductive disk and includes a plurality of electrically conductive fibers contactable with the shaft outer surface so as to provide a conductive path between the shaft and the disk.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 1, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventors: Nicolas Berruet, Paul Feliciano, Mathieu Hubert, Tommy Jullien, Gene A. Kovacs, Thomas Perrotin, Dave Christopher Rybski, Anthony Simonin, Collin Snyder
  • Patent number: 11486441
    Abstract: A sliding bearing element with a first layer having a radially inner surface includes a measuring device arranged on the radially inner surface of the first layer. The measuring device includes, in the order indicated, a first electrical insulating layer, a sensor layer and a second electrical insulating layer. A sliding layer is arranged on the second electrical insulating layer.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: November 1, 2022
    Assignee: Miba Gleitlager Austria GmbH
    Inventor: Kamal Hamdard
  • Patent number: 11480214
    Abstract: A bearing assembly of a hinge coupling first and second components includes an outer ring secured to the second component having an axial primary bore with a primary inner surface. An inner ring axially rotates, and has a primary outer surface rollingly contacting the primary inner surface, defining a primary sliding path with a primary friction coefficient. The inner ring includes a secondary axial bore with a secondary inner surface. An inner shaft in the secondary bore is secured to the first component and is axially rotatable. The inner shaft has a secondary outer surface rollingly contacting the secondary inner surface defining a secondary sliding path with a second friction coefficient. One of the sliding paths has a triboelectric layer surface frictionally generating an electrical current when that sliding path is engaged. A transmission element transmits, to a failure detection system, a signal due to such electrical current.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: October 25, 2022
    Assignee: Airbus Operations SAS
    Inventor: Arumugam Thinket Selvan
  • Patent number: 11473620
    Abstract: In a housing that supports a rotating shaft via a rolling bearing which is subjected to predetermined position precompression, a wedge member, the radial thickness of which increases from the leading end towards the base end thereof, is inserted between the housing and the outer circumferential surface of the outer race of the rolling bearing and between the rotating shaft and the inner circumferential surface of an inner race of the rolling bearing, the wedge member being inserted from the leading end thereof along the radial direction of the rotating shaft. The wedge member is fixed by being fastened, ahead in the insertion direction, by bolts and nuts, so that precompression force along with predetermined position precompression is imparted to the rolling bearing.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: October 18, 2022
    Assignee: NSK LTD.
    Inventor: Kouhei Dobashi
  • Patent number: 11473447
    Abstract: A turbocharger for an internal combustion engine, comprises a housing (2) with a compressor blade (3) on the air side, a shaft (1) driving the compressor blade (3), and at least one radially acting rotary bearing (5) for mounting the shaft (3), wherein the rotary bearing (5) is designed as a hydrodynamic sliding bearing, wherein a stationary bearing element (6) is penetrated by the shaft (1) and a first mounting is formed on one first side of the bearing element (6) and acts axially against a bearing collar (7) rotating with the shaft, wherein an oil supply (9) for supplying the mountings is designed in the bearing element (6), wherein a plurality of flow surfaces (10) with a height (h) varying in the circumferential direction is formed on one surface of the bearing element (6) facing the bearing collar (7) in the axial direction, wherein an individually dimensioned throttle element (11, 12) is designed in the oil supply (9) for each of the two mountings.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: October 18, 2022
    Assignee: BorgWarner Inc.
    Inventors: Davide Peduto, Thomas Körner, Ivo Daniel, Thomas Dücker-Schulz
  • Patent number: 11473624
    Abstract: A bearing lubrication system includes a bearing assembly comprising a duplex bearing including an outer ring, an inner ring positioned radially inward from the outer ring, and two sets of circumferentially distributed rolling elements between the inner and outer rings. The bearing assembly further includes a housing radially surrounding the duplex bearing and including a lubricant flow passage in fluid communication with a source of lubricant. A flow orifice is located downstream of the lubricant flow passage for jetting the lubricant into the duplex bearing. The flow orifice has an axial location between the two sets of rolling elements.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: October 18, 2022
    Assignees: ROLLS-ROYCE CORPORATION, ROLLS-ROYCE NORTH AMERICAN TECHNOLOGIES INC.
    Inventors: Jared Taketa, Caleb Camara, Grant Wible
  • Patent number: 11473627
    Abstract: Sealing device including a first annular element coupled to a first fixed mechanical member, and a second annular element coupled to a second rotating mechanical member, for protecting an annular compartment delimited between the members; the first element being provided with at least one annular sealing lip configured to interact with the second element, which has a radial edge of a flange portion arranged at an edge of a sleeve portion of the first element, thus forming with the latter a radial gap configured as a labyrinth seal; wherein the radial gap of the flange portion of the second annular element carries a plurality of depressions arranged in a crown, spaced adjacently to one another at the radial gap and configured to generate, as a result of the rotation of the second element, a dynamic effect (F) for the purpose of repelling any contaminants impelled towards the radial gap.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: October 18, 2022
    Inventors: Stellario Barbera, Claudio Foti, Andrea Serafini
  • Patent number: 11454277
    Abstract: A linear guide device includes at least one linear guide unit which has a guide housing, in which two annularly closed circulating channels are formed in each of which a multitude of roller bearing elements is received. The guide housing has a single-piece housing intermediate element which contributes to the formation of the circulating channels and through which passes at least one lubrication channel which communicates with the circulating channels. The lubrication channel passes through the single-piece housing intermediate element and extends partly also in an integral pipe-stub-like lubrication appendix of the single-piece housing intermediate element, wherein the lubrication appendix includes a lubrication opening which is accessible from outside the guide housing for bringing in lubricant.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: September 27, 2022
    Assignee: Festo SE & Co. KG
    Inventors: Thomas Bauer, Markus Meyer zu Brickwedde, Thomas Wagner, Maike Wegenast, Thomas Winkler
  • Patent number: 11454276
    Abstract: A thrust foil bearing of the present disclosure includes a base plate which includes an insertion hole through which a rotation shaft is inserted, a back foil which is disposed around the insertion hole and supported by the base plate, and a top foil which is supported by the back foil, wherein the top foil includes an expansion portion in which a width of the expansion portion in a virtual straight line direction in which a virtual straight line extends decreases in a direction orthogonal to the virtual straight line, the virtual straight line being supported by the back foil on a most downstream side in a rotation direction of the shaft.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: September 27, 2022
    Assignee: IHI CORPORATION
    Inventor: Naomichi Omori
  • Patent number: 11448256
    Abstract: A slide bearing is made of synthetic resin and has an upper case, a lower case combined with the upper case, and an annular center plate placed between the upper case and the lower case so as to allow relative rotation between the upper case and the lower case. The center plate is integrally formed with the lower case. A joining surface of the lower case that joins to the center plate has a grip part, and the joining surface of the center plate has a grasp on the grip part.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: September 20, 2022
    Assignee: OILES CORPORATION
    Inventors: Yuta Ishii, Kouichi Morishige
  • Patent number: 11441601
    Abstract: A rotor bearing system includes an inner bearing component and an outer bearing component. One of the bearing components includes at least three protrusions sized to form a close running proximity to the remaining component. A bearing gap between the inner bearing component and the outer bearing component is sized to exclude the entry of red blood cells between the bearing components during operation of the rotor bearing system and causing the bearing to operate in an elasto-hydrodynamic regime of mixed- or boundary-lubrication.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: September 13, 2022
    Assignee: RBTS Inc.
    Inventors: Victor Obeid, Michael D. Neary, Edward Marlinski
  • Patent number: 11441604
    Abstract: A loader slot bearing includes an annular housing having first and second axial surfaces and an interior area extending therebetween. The interior area has a first inner surface that extends between the first and second axial surfaces. A portion of the inner surface is a first bearing surface that has a spherical contour. A slot extends partially into the first inner surface from the first axial surface. The slot has a first width. The annular housing is manufactured from a precipitation hardened corrosion resistant stainless steel. The loader slot bearing includes a truncated ball that is positioned in the slot and rotated so that the truncated ball is rotatably retained by the first bearing surface. The truncated ball is angularly misalignable relative to the housing and is manufactured from a 440C stainless steel. A dry lubricant is applied to the spherical exterior surface of the truncated ball.
    Type: Grant
    Filed: August 25, 2020
    Date of Patent: September 13, 2022
    Assignee: Roller Bearing Company of America, Inc.
    Inventors: Scott McNeil, Ben Anderson, Jackson Sarneski-Hayes
  • Patent number: 11441605
    Abstract: A dual-film damper has a housing defining an annular damper fluidly connected to a source of pressurized oil. First and second damper rings are coaxially nested within the damper cavity. A first set of spacers allows for the formation of a first oil film annulus between the first and second damper rings. A second set of spacers allows for the formation of a second oil film annulus between the second damper ring and the housing. The first and second oil film annuli have a thickness-to-length ratio (T/L) selected to provide a desired damping capacity.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: September 13, 2022
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Mert Cevik, Philip A. Varney, Robert J. Morris, David Beamish
  • Patent number: 11441606
    Abstract: A slide bearing for guiding a translationally movable sliding part has a first part having a first guide surface suitable for interacting with a first sliding surface of the sliding part and a second part having a second guide surface suitable for interacting with a second sliding surface of the sliding part. The second part is movable relative to the first part. A guide part is connected to the first part so as to be movable in a first direction and a second direction. A pressure device urges the second part toward the first guide surface such that the first guide surface directly engages the first sliding surface and the second guide surface directly engages the second sliding surface.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: September 13, 2022
    Assignee: GRAMMER AG
    Inventor: Ralph Nuss
  • Patent number: 11428269
    Abstract: A rolling-element bearing assembly includes first and second bearing rings that form a bearing interior between them and a plurality of rolling elements disposed in the bearing interior and a seal assembly for sealing the bearing interior. The seal assembly includes a seal carrier and a seal element having at least one primary seal lip for sealing the bearing interior and a secondary seal lip for sealing against external contamination. The seal element is connected to the seal carrier such that the primary seal lip and the secondary seal lip abut axially against an axial end surface of the second bearing ring.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: August 30, 2022
    Assignee: AKTIEBOLAGET SKF
    Inventors: Jan Kroeger, Peter Lemper, Hans-Juergen Liesegang, Klaus-Dieter Schulz