Patents Examined by Thomas R. Hannon
  • Patent number: 10723194
    Abstract: A suspension thrust bearing unit for use in an automotive suspension assembly having a lower annular cap rotatable with respect to an upper annular cap and delimiting together an annular chamber that houses a rolling bearing. The lower annular cap provides a subassembly for damping vibrations and distributing stress being provided with a lower support surface that axially supports an upper end of a suspension spring. The subassembly includes an annular stiffening cup made from a metal material and mounted to the lower cap, and an annular damping device made from a resilient material and mounted to the stiffening cup. The stiffening cup having at least one protruding portion formed by stamping and that extends towards the damping device, the damping device being locally deformed by the protruding portion and forming a recess to receive the protruding portion.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: July 28, 2020
    Inventors: Bruno Montboeuf, Francois De Lemps, Julien Maffucci
  • Patent number: 10654569
    Abstract: A tiltrotor aircraft may be provided and may include a mast assembly, in which the mast assembly may include a mast; a bearing system; a housing; and a housing cap secured to the housing, wherein the bearing system is between the mast and the housing. The bearing system may further include a first bearing assembly including a first inner race, a first outer race, and a plurality of first tapered roller bearings; a second bearing assembly including a second inner race, a second outer race, and a plurality of second tapered roller bearings; an inner spacer and an outer spacer in which the inner and outer spacers are between the first and second bearing assemblies; and a retaining device in which the retaining device and the housing cap provide, at least in part, pre-loading for the first and second bearing assemblies.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: May 19, 2020
    Inventors: Russell L. Mueller, Tyson T. Henry, Ezra M. Tiprigan
  • Patent number: 10612598
    Abstract: Rolling bearings and housings for the same are disclosed. The rolling bearing may include an inner ring having a first raceway, an outer ring having a second raceway, having two end faces and an outer lateral surface, and comprising a plurality of rolling bodies. The outer lateral surface of the outer ring may be surrounded by a sleeve, which has at least one lug, pointing away from the outer ring and a first end face of the two end faces, for forming the axial position retention of the rolling bearing in an installed position.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: April 7, 2020
    Inventors: Christian Mayr, Andre Anger
  • Patent number: 10598213
    Abstract: An axial bearing may include a body having a disk-form configuration, a centrally disposed passage opening extending axially into the body structured to receive a shaft, and at least one circular segmental oil pocket opening towards the passage opening. The at least one oil pocket, in both circumferential directions relative to the body, may transition into a plateau surface section directly adjoining the at least one oil pocket.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: March 24, 2020
    Assignee: BMTS Technology GmbH & Co. KG
    Inventors: Steffen Schmitt, Ruediger Kleinschmidt, Steffen Heinemann, Oliver Kuhne
  • Patent number: 10598217
    Abstract: An angular contact ball bearing includes an outer ring having an outer diameter D and a first rolling surface and an inner ring having an inner diameter d and a second rolling surface, and no more than one row of balls between the first rolling surface and the second rolling surface, each of the balls having a diameter Dw. The diameter Dw of the balls, the outer diameter D of the outer ring, and the inner diameter d of the inner ring satisfy the relationship: D w > 0.7 * ( D - d ) 2 .
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: March 24, 2020
    Assignee: Aktiebolaget SKF
    Inventors: Thomas Forster, Rudolf Hauleitner
  • Patent number: 10590991
    Abstract: A rolling element bearing includes inner and outer rings having raceways and rolling elements between the raceways. The raceways of the inner and outer rings are coated with a first coating, such as a phosphate coating, and the rolling elements are coated with a second, different, coating such as a black oxide coating.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: March 17, 2020
    Inventor: Thilo von Schleinitz
  • Patent number: 10590993
    Abstract: A cooling architecture can include a longitudinally extending radially inner shaft, a radially outer support, and a bearing assembly. The longitudinally extending radially inner shaft can include an inner race. The inner race can define an inner circumferential chamber configured to carry an inner working fluid. The radially outer support can include an outer race. The bearing assembly can include a plurality of roller bearings disposed radially between the inner race and the outer race. The bearing assembly can be configured to radially align the inner shaft with respect to the outer support.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: March 17, 2020
    Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce Corporation
    Inventors: Bradley D. Belcher, Robert T. Duge
  • Patent number: 10584685
    Abstract: A wind turbine, including a support structure and a thrust bearing having a bearing pad which includes a piston and which is movably connected to the support structure, a spring element which is configured to resiliently support the bearing pad relative to the support structure, wherein a pad portion of the bearing pad and/or the bearing pad itself is configured to tilt and to move translationally relative to the support structure, and wherein a gap is provided between the piston and the support structure. The piston limits the movement of the bearing pad. Thus, reliable and well defined movement limits are provided. Furthermore, a broad spectrum of spring parameters is available since the movement may be restricted by the piston and not necessarily be the spring element.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: March 10, 2020
    Assignee: Siemens Gamesa Renewable Energy A/S
    Inventors: Janina Brencher, Peter Decker, Niels Karl Frydendal, Troels Kanstrup, Dennis Olesen, Thorsten Rohrmann, Kim Thomsen, Morten Thorhauge
  • Patent number: 10578159
    Abstract: A self-metering hydrostatic thrust bearing for a small gas turbine engine. The thrust bearing can provide thrust capacity in the fore and aft directions of a hydrostatic thrust bearing using a single source of air. The air supply is directed towards the loaded bearing and away from the unloaded bearing by the self-metering mechanism operated by the thrust load.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: March 3, 2020
    Assignee: Florida Turbine Technologies, Inc.
    Inventor: Stephen M Brooks
  • Patent number: 10578153
    Abstract: Provided is a multi-row ball bearing that includes an outer ring, an inner ring, and two or more rows of balls retained by raceway surfaces of the outer and inner rings. Each of the raceway surfaces is formed as a Gothic arch groove, and the outer and inner rings are division races that are divided on at least one of the raceway 5 surfaces at a middle position of the raceway surface.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: March 3, 2020
    Assignee: NSK LTD.
    Inventor: Yuki Sakaguchi
  • Patent number: 10578160
    Abstract: A gear pump bearing block has a bush formed of antifriction alloys. The bush has a cylindrical portion providing a bore adapted to receive a bearing shaft of a gear of the pump. It further has a thrust face at the end of the cylindrical portion, the thrust face being adapted to slidingly engage with a side surface of the gear. The bush has an inner component providing the bore, and an outer component forming a radially outer surface of the cylindrical portion. The inner and outer components are formed of respective lead bronze alloys, the lead bronze alloy of the outer component having a higher lead content than the lead bronze alloy of the inner component.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: March 3, 2020
    Assignee: ROLLS-ROYCE plc
    Inventor: Jonathan Masters
  • Patent number: 10570959
    Abstract: An oil-retaining sintered bearing in which friction coefficient can be reduced and a sliding property as a bearing can be improved by supplying a sufficient amount of oil to a sliding surface and preventing the supplied oil from moving to an interior from the sliding surface; a sliding surface 3 supporting an outer peripheral surface of a shaft and a helical oiling surface 4 around a shaft axis of a bearing hole are adjacently formed on an inner peripheral surface of the bearing hole into which the shaft is inserted; a surface open rate at the sliding surface 3 is not larger than 10%; and a surface open rate at the oiling surface exceeds 10%.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: February 25, 2020
    Inventors: Hajime Kouno, Yoshinari Ishii, Jyun Katou
  • Patent number: 10570954
    Abstract: This rotation ring includes an inner ring with a first rolling element travel groove, an outer ring with a second rolling element travel groove that faces the first rolling element travel groove, and a plurality of rolling elements interposed between the first rolling element travel groove and the second rolling element travel groove. The plurality of rolling elements include a plurality of hard rolling elements disposed at intervals in the circumferential direction, and a plurality of soft rolling elements, at least three or more of which are disposed between the hard rolling elements adjacent to each other in the circumferential direction and which are lower in rigidity than the hard rolling elements.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: February 25, 2020
    Assignee: THK CO., LTD.
    Inventors: Hiroaki Mochizuki, Keisuke Hagiwara
  • Patent number: 10570957
    Abstract: A bearing includes a bearing sleeve with a first portion and a second portion adjacent to the first portion. A bump foil extends along an inner face of the first portion of the bearing sleeve and a metal mesh extends along an inner face of the second portion of the bearing sleeve. A top foil extends along an inner face of the bump foil of the first portion and the metal mesh of the second portion.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: February 25, 2020
    Assignee: Hamilton Sundstrand Corporation
    Inventor: Richard A. Himmelmann
  • Patent number: 10557377
    Abstract: A turbocharger includes: a bearing housing (housing); a bearing disposed in the housing and having a thrust bearing surface; and a partition wall portion assembled to the housing, the partition wall portion including an inclined surface positioned on an outer side in a radial direction of the thrust bearing surface, extending at least vertically above the thrust bearing surface, and inclined with respect to a direction perpendicular to the axial direction of a shaft.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: February 11, 2020
    Assignee: IHI Corporation
    Inventors: Shunsuke Nishii, Shinichi Kaneda, Kenji Bunno, Yutaka Uneura
  • Patent number: 10550883
    Abstract: A slider slidably straddling over a guide rail, an attachment plate having a square U-shape attached to an end surface of the slider and including opposite vertical frames and a horizontal frame connecting the vertical frames, and a sliding scraper fitted in a square U-shape groove of the attachment plate and including opposite vertical portions and a horizontal portion connecting the opposite vertical portions, and a groove portion that is in sliding contact with the guide rail are provided, and protrusion portions at which the vertical frames and the vertical portions are in abutment with each other are provided an open end portion of an inner side surface of each of the opposite vertical frames of the attachment plate or an end portion of an outer side surface of each of the opposite vertical portions of the sliding scraper, the end portion facing the relevant open end portion.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: February 4, 2020
    Inventors: Yoji Ishizaki, Atsushi Matsumoto, Kenichiro Aoki, Ryuji Furusawa, Sho Iwashiro
  • Patent number: 10544834
    Abstract: A bearing system includes bearing unit and a lubrication system. The bearing unit includes an outer race, a plurality of internal rotating components, and an inner race. The lubrication system includes an injector for delivering a stream of lubrication to the plurality of rotating components to withdraw heat generated and lubricate the bearing unit during operation of the bearing system.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: January 28, 2020
    Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce Corporation
    Inventors: Phillip H. Burnside, Andrew Schwendenmann
  • Patent number: 10544831
    Abstract: The invention relates to a rolling bearing arrangement with: a housing (10), a shaft (20), a first rolling bearing and a second rolling bearing for rotatably supporting the shaft in the housing, wherein the first rolling bearing is designed as a fixed bearing in which an outer ring (32) of the first rolling bearing is positionally fixed in the housing and an inner ring (34) of the first rolling bearing is rigidly connected to the shaft, wherein the second rolling bearing is designed as a floating bearing in which the outer ring (42) of the second rolling bearing is arranged axially displaceably in the housing and the inner ring (44) of the second rolling bearing is connected axially displaceably to the shaft, and wherein both the outer ring (42) and the inner ring (44) of the second rolling bearing are each pressed in the axial direction towards the first rolling bearing by a pre-tensioning means in order to prevent a rotation of the outer ring (42) relative to the housing and a rotation of the inner ring (44
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: January 28, 2020
    Inventor: Wolfgang May
  • Patent number: 10544829
    Abstract: Thrust bearings and etched surfaces thereof are disclosed. The thrust bearing may include a first washer, a second washer, and a plurality of rolling elements disposed between the first and second washers. A radial surface of at least one of the first or second washer may be configured to be press fit onto or into a component. The radial surface may include a plurality of etched regions, each etched region including a valley that extends below a non-etched portion of the radial surface and a peak that extends around the valley and extends above the non-etched portion of the radial surface. The peaks of the etched regions may be configured to contact the component and increase an interference between the radial surface and the component.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: January 28, 2020
    Inventor: Igor Cardozo Mendes Ribeiro
  • Patent number: 10539189
    Abstract: A protective cover is molded through injection molding of a synthetic resin and includes a disc part, a sensor holder part protruding inward from the disc part, and a protruding part protruding inward from the disc part and being continuous with the sensor holder part. The disc part includes a separation wall which is thinner than other portions of the disc part and separates a magnetic encoder and a magnetic sensor from each other. The protruding part has, at the inward-side face thereof, a gate mark caused by the injection molding. The protruding part is provided with, at the outward-side face thereof, a thickness reduction part extending inward so as to be close to the gate mark.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: January 21, 2020
    Inventors: Masayoshi Nakamura, Yutaka Jogan