Patents Examined by Phillip A. Johnson
  • Anti-friction lacquer and sliding element having such an anti-friction lacquer
    Patent number: 11668346
    Abstract: An anti-friction lacquer has a resin matrix of a polymer and functional fillers containing mixed-phase oxides having a specified grinding hardness and proportion and optionally contain further functional fillers. A sliding element is also disclosed having a metallic substrate layer and a coating applied to the substrate that is made of at least in part of the anti-friction.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: June 6, 2023
    Assignee: Federal-Mogul Wiesbaden GmbH
    Inventors: Achim Adam, Joachim Schluter
  • Tapered roller bearing
    Patent number: 11668343
    Abstract: A difference between a maximum value and a minimum value of arithmetic mean roughness Ra of an annular surface region in contact with a larger flange surface, in a larger end face of the tapered roller, is not greater than 0.02 ?m. A value of a ratio R/RBASE is not smaller than 0.75 and not greater than 0.87 where R represents a set radius of curvature of the larger end face of the tapered roller and RBASE represents a distance from a point which is an apex of a cone angle of the tapered roller to the larger flange surface of the inner ring. A ratio Rprocess/R is not lower than 0.5 where Rprocess represents an actual radius of curvature after grinding of the larger end face of the tapered roller and R represents a set radius of curvature.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: June 6, 2023
    Assignee: NTN CORPORATION
    Inventors: Takanori Ishikawa, Takashi Kawai, Tomoki Matsushita, Nozomi Isobe
  • Continuous diamond surface bearings for sliding engagement with metal surfaces
    Patent number: 11655850
    Abstract: Bearings assemblies are provided that include polycrystalline diamond bearing surfaces that are engaged with opposing, metal bearing surfaces that include more than trace amounts of diamond solvent-catalyst. In the bearings, the opposing bearing surface is slidingly engaged with the polycrystalline diamond bearing surface along a diamond contact area of the polycrystalline diamond bearing surface, and the polycrystalline diamond bearing surface is a continuous surface along the diamond contact area. Also provided are methods of making and using the bearing assemblies.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: May 23, 2023
    Assignee: Pi Tech Innovations LLC
    Inventors: Gregory Prevost, Edward C. Spatz
  • Bearing cage and bearing
    Patent number: 11655853
    Abstract: The present disclosure provides a bearing cage and a bearing. The bearing cage comprising: a generally annular backbone portion having a front side and an opposite back side; a plurality of cantilever portions extending from the front side of the backbone portion in an axially forward direction of the bearing cage, the cantilever portions being arranged along a circumference of the annular backbone portion, defining a plurality of pockets bearing, wherein the backbone portion has a radial thickness which is larger than that of the plurality of cantilever portions. Each of the plurality of cantilever portions comprises two prong portions and a connection portion between the two prong portions. The bearing cage further comprises one or more of: a plurality of recesses formed in a radially outer side of the cantilever portions, and a plurality of grooves formed in the radially inner side of the bearing cage.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: May 23, 2023
    Inventors: Hongyuan An, Riccardo Restivo
  • Main bearing for a wind turbine
    Patent number: 11655800
    Abstract: Provided is a main bearing for a wind turbine, including a stationary ring and a rotating ring to be coupled to a rotor, whereby the main bearing is a fluid film bearing including several bearing units arranged at the stationary ring around the circumference on both sides of the rotating ring, for radially and axially bearing the rotating ring, and further including a load measurement arrangement for determining measurement data which are a measure for the load applied to or resting on at least one of the axial or radial bearing units.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: May 23, 2023
    Inventors: Alejandro Cerda Varela, Niels Karl Frydendal, Kim Thomsen, Morten Thorhauge
  • Bearing device and rotating device
    Patent number: 11655851
    Abstract: A bearing device according to an embodiment is a bearing device for rotatably supporting a rotational shaft, the device including at least one rolling bearing which includes an inner race fixed to the rotational shaft, a rolling element, and an outer race for rotatably holding the rolling element with the inner race, and a casing for housing the rolling bearing, the casing including a plurality of first oil supply holes formed at intervals in a circumferential direction for supplying lubricant oil to a first gap between the rolling bearing and an inner circumferential surface of the casing. Each of the plurality of first oil supply holes satisfies: ?·d1·?1<?·d12/4,??(a) where d1 is a diameter of an outlet opening of the first oil supply hole, and ?1 is a space of the first gap.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: May 23, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    Inventors: Naoyuki Nagai, Takuya Arakawa, Takaya Futae, Shuichi Miura, Yosuke Dammoto, Akihiro Sugiyama
  • Vibration dampening for scanner bearing
    Patent number: 11649859
    Abstract: A thin section bearing assembly is for a gantry assembly and includes inner and outer rings each having inner and outer circumferential surfaces and rolling elements grooves and are each sized such that a ratio of the inside diameter to radial thickness is at least thirty (30). A plurality of rolling elements, preferably balls, are disposed between the outer ring groove and the inner ring groove. At least one elastomeric annular damper is disposed between the outer ring and the housing and/or between the inner ring and the rotor and has first and second axially spaced sections. As such, the first section is compressed more than the second section under bending moments in a first angular direction and the second section is compressed more than the first section under moments in a second angular direction. The one or more annular dampers each have a thickness calculated to optimize vibration reduction.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: May 16, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventors: Bryan Allison, Philip Jones, Joel Lawrence, Jason Williams
  • Wind turbine gearbox and method for producing a wind turbine gearbox
    Patent number: 11644012
    Abstract: A wind turbine gearbox, in particular planetary gearbox, has at least one gear which is mounted on an axle, wherein a sliding surface is arranged between the gear and the axle. The sliding surface is arranged on at least one layer of a deposition welded material made from a sliding bearing material. Furthermore, a method produces the wind turbine gearbox.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: May 9, 2023
    Assignee: Miba Gleitlager Austria GmbH
    Inventors: Johannes Sebastian Hoelzl, Werner Schroettenhamer
  • Flex pad bearing pad configuration
    Patent number: 11635108
    Abstract: A hydrodynamic bearing in the form of a flex pad bearing includes configurations structured to change a bearing characteristic. One form of the bearing includes a nonlinear back wall that includes a circular arc and a transition, where the back wall extends radially outward of a ligament. The bearing can include an opening for the deposit of a weighted mass, wherein the opening can threadingly receive a threaded weighted mass. In one form a sidewall that includes the back wall segment can have an average outer radius which determines a thickness of the flex pads.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: April 25, 2023
    Assignee: Ingersoll-Rand Industrial U.S., Inc.
    Inventors: James Lawrence Robb, Andrew J. Austin, Patrick Lynah
  • System for determining revolutions in drive shafts, a cardan shaft related to said system and determining method thereof
    Patent number: 11630118
    Abstract: A system for determining the number of revolutions of a cardan shaft, having at least a magnet and at least a hall sensor is positioned to provide magnetic interaction between them, characterized by connecting one of the magnet and hall sensor onto either the rotating elements of the cardan shaft and the other to a fixed point and including a detection element for detecting the revolution rate by correlating to the revolution and the pulse created by the hall sensor as a result of interaction between the magnet and the hall sensor, when the cardan shaft rotates.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: April 18, 2023
    Inventors: Sedat Tarakçi, Serhan Özdemir
  • Bearing cooling systems and methods for vibratory pile drivers
    Patent number: 11624406
    Abstract: A bearing cooling system for a vibratory pile driving system comprising at least one housing wall defining at least one bearing opening and at least one bearing assembly supported by the at least one housing wall in the at least one bearing opening. The bearing cooling system comprises a bearing cover plate, a bearing cover seal member, and at least one bearing bolt. The bearing cover plate defines an inner surface having a bearing cover plate seal recess. The bearing cover seal member adapted to be received at least partly within the bearing cover plate seal recess. The at least one bearing bolt is configured to secure the bearing cover plate relative to the at least one housing wall to form at least one contact location at which the bearing cover plate is in contact with at least a portion of the at least one bearing assembly.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: April 11, 2023
    Assignee: AMERICAN PILEDRIVING EQUIPMENT, INC.
    Inventor: Joseph M. Klekotka
  • Rolling bearing assembly
    Patent number: 11624407
    Abstract: A rolling bearing assembly includes an inner ring supported by a shaft or formed by a surface of the shaft, an outer ring supported in a housing or formed by a surface of the housing, a plurality of rolling elements disposed between the inner ring and the outer ring, and at least one distance sensor configured to measure a distance between the shaft and the housing in order to detect wear of the rolling bearing.
    Type: Grant
    Filed: September 21, 2021
    Date of Patent: April 11, 2023
    Assignee: AKTIEBOLAGET SKF
    Inventor: Mathias Seuberling
  • Bearing assemblies, apparatuses, and methods including bearing elements
    Patent number: 11619264
    Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include angled bearing surfaces having a planar shape.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: April 4, 2023
    Assignee: US Synthetic Corporation
    Inventors: Tyler Kolste, Daryl Wise, S. Barrett Peterson
  • Bearing assemblies, apparatuses, and methods including bearing elements
    Patent number: 11619099
    Abstract: Bearing assemblies, apparatuses, systems, and methods include bearing assemblies where one of the bearing assemblies may include bearing surfaces defining an at least partially conical inner surface.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: April 4, 2023
    Assignee: US Synthetic Corporation
    Inventors: Tyler Kolste, Daryl Wise, S. Barrett Peterson
  • Bicycle bearing system
    Patent number: 11618524
    Abstract: A bicycle bearing system comprising: an integrated cup, the integrated cup having a non-flanged outer diameter; a plurality of rolling elements configured to abut and rotate against an inner surface of the cup race; an inner race configured to abut and rotate about the plurality of rolling elements, the inner race having an inner diameter; wherein the rolling elements do not have a separate outer race, but rather the inner surface of the integrated cup acts as the outer race to the rolling elements; wherein the rolling elements' sizes are maximized to the limitation that the non-flanged outer diameter is smaller or equal to a first maximum diameter, and wherein the rolling elements sizes are maximized to the limitation that the inner diameter is greater or equal to a first minimum diameter.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: April 4, 2023
    Inventor: Matt Harvey
  • Sliding bearing, method for producing a sliding bearing, internal combustion engine having a sliding bearing and electric machine having a sliding bearing
    Patent number: 11619258
    Abstract: A sliding bearing may include an uncoated shaft and a bearing bush. The uncoated shaft may include a shaft material. The bearing bush may include a sintered bearing bush material. The shaft may be slidingly and moveably guided, relative to the bearing bush, within the bearing bush. The bearing bush material may have a residual porosity of 8 percent or more. A volume of the residual porosity may be filled with an oil up to 80 percent or more.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: April 4, 2023
    Inventors: Armin Geis, Andreas Gutmann, Lilia Kurmanaeva, Alexander Puck, Patrick Sutter, Klaus Wintrich
  • Bearing, outer sleeve, and method for producing a bearing
    Patent number: 11619260
    Abstract: A bearing (1) is provided, comprising an inner sleeve (6), an outer sleeve (2), and an elastomer body (24), which resiliently interconnects the inner sleeve (6) and the outer sleeve (2), wherein the outer sleeve (2) comprises a circumferential portion (8) and at least one deformation portion (10) that is recessed radially inwards from the circumferential portion (8), and wherein the deformation portion (10) comprises a support-surface portion (12) arranged so as to be offset radially inwards relative to the circumferential portion (8) of the outer sleeve (2), wherein the support-surface portion (12) extends substantially perpendicularly to the radial direction (Ra). A method for producing a bearing is also provided.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 4, 2023
    Assignee: Sumitomo Riko Company Limited
    Inventors: Anton Borger, Martin Mohr, Benjamin Schupp
  • Method for manufacturing a target holder for a sensor bearing unit, and associated sensor bearing unit
    Patent number: 11619265
    Abstract: A method for manufacturing of a target holder 26 for a sensor bearing unit. The target holder providing at least an axial fixing portion secured to a ring of the sensor bearing unit, and a radial portion extending at least radially with respect to the axial fixing portion, a curved linking portion being formed between the axial fixing portion and the radial portion. The method further providing a step of shot peening at least on the internal surface of the curved linking portion of the target holder.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: April 4, 2023
    Assignee: Aktiebolaget SKF
    Inventors: Olivier Message, Eric Robert
  • Deep groove ball bearing and differential
    Patent number: 11614121
    Abstract: The present invention proposes a deep groove ball bearing, having an outer ring, an inner ring, spherical rollers located between the inner ring and outer ring, and a cage for holding the spherical rollers. In an axial direction, the inner ring has a first inner ring shoulder at a first side, and a second inner ring shoulder at a second side opposite the first side; and a first inner ring shoulder diameter of the first inner ring shoulder is configured to be larger than a second inner ring shoulder diameter of the second inner ring shoulder. The present invention further proposes a differential including the deep groove ball bearing.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: March 28, 2023
    Assignee: Aktiebolaget SKF
    Inventor: Hongyuan An
  • Sliding member
    Patent number: 11614122
    Abstract: A sliding member includes an overlay layer made of a resin on a side of a sliding surface of a bearing alloy layer. When a valley void volume Vvv (?m3/?m2) in the sliding surface of the overlay layer is defined as Vv1, Vv1 is in a range of 0.015?Vv1?0.200.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: March 28, 2023
    Assignee: DAIDO METAL COMPANY LTD
    Inventors: Na Li, Erina Yasuda