Patents Examined by Phillip A. Johnson
  • Patent number: 10835039
    Abstract: A low-friction roller assembly is provided. The low-friction roller assembly is especially suitable for use in a refrigerator for reducing noise and reducing wobble and vibration. The low-friction roller assembly has a rotating element encased within a fluid and secured within a housing. An axle attached to the rotating element extends outside of the housing and is connected to a wheel via a keyed interlocking component. The wheel is attached to mount assembly in, for example, a refrigerator, which is attached to a movable drawer.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: November 17, 2020
    Assignee: SHAMROCK INTERNATIONAL FASTENER LLC
    Inventors: Dave Pawletki, Maria Patricia Barlas, Robert Waichulis, Michael Herdman
  • Patent number: 10837491
    Abstract: A multi-row rolling element housing band is provided which can promote an increase in the degree of precision of a guide. At least three rolling element rows (17) to (19) are arranged in a band (15). Each second rolling element (18a) of the second rolling element row (18) is displaced by P/n in a length direction of the band (15) from each first rolling element (17a) of the first rolling element row (17). Each third rolling element (19a) of the third rolling element row (19) is displaced by P/n in the length direction of the band (15) from each second rolling element (18a) of the second rolling element row (18). P is the pitch between the first rolling elements (17a), and n is the number of rows.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: November 17, 2020
    Assignee: THK CO., LTD.
    Inventors: Toru Takahashi, Yoshihiro Hamada, Ryuichi Yamakoshi
  • Patent number: 10830279
    Abstract: In a tapered roller bearing, a cage includes a plurality of trapezoidal pockets and the pockets accommodate and hold a plurality of rollers. A notch having a width is provided in a post on a smaller width side of the pocket of the cage from a boundary between a smaller annular portion and a post toward a larger annular portion. Lubricating oil which flows from an inner diameter side of the cage toward an inner ring is quickly discharged through the notch toward an outer ring on an outer diameter side. A distance from an outermost surface of at least any one of the outer ring and the inner ring of the roller and a plurality of rollers to a bottom of a nitrogen enriched layer is equal to or longer than 0.2 mm. A rolling surface of the roller is provided with a logarithmic crowning profile.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 10, 2020
    Assignee: NTN CORPORATION
    Inventors: Takashi Kawai, Tomoki Matsushita
  • Patent number: 10830277
    Abstract: A self-aligning clutch release bearing having a rotating ring 114 and a static ring 112. Static ring 112 is located within a spherical cup 13, which incorporates an inner spherical surface 131, and the static ring 112 engages with the spherical cup 13 through the spherical surface 131. The spherical surface 131 has a radius whose center coincides with a center point 10 defined by intersection of the rotational axis 111 of the bearing and a plane defined by face of the rotating ring 114 that engages with fingers of the clutch. A spherical ring 14 incorporating a spherical end face 141 on its outer diameter is located within an inner diameter of the static ring 112, and engages with a spherical end face 113 on the inner diameter of the static ring. The two spherical end faces have about same radius with their centers coinciding with the center point 10.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: November 10, 2020
    Inventor: Vishal Makwana
  • Patent number: 10823224
    Abstract: A bearing member according to an embodiment of the present invention is formed into a single cylindrical shape or a cylindrical shape divided into arcs along a circumferential direction, and is assembled to a housing on an outer peripheral side of the bearing member. The bearing member includes an outer peripheral surface provided on a side opposed to an inner peripheral surface of the housing. A maximum height Rz (?m) of a surface roughness of the outer peripheral surface is set as 2.00 ?m?Rz?4.00 ?m, and a value of ratio between an average protruding-peak height Rpk (?m) and a load length rate Mr1 (%), that is a load curve parameter for the surface roughness is set as 0.010?Rpk/Mr1?0.100.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: November 3, 2020
    Assignee: DAIDO METAL COMPANY LTD.
    Inventors: Shigeru Inami, Manabu Izumida, Yukihiro Ito, Takahito Nakagawa
  • Patent number: 10816034
    Abstract: A tapered roller bearing includes inner and outer rings having tapered raceway surfaces. The inner ring also includes large-collar and small-collar surfaces respectively on large-diameter and small-diameter sides of its raceway surface. A plurality of tapered rollers are arrayed between the raceway surfaces. Each of the tapered rollers has a large end surface that contacts and is guided by the large-collar surface. A set curvature radius (R) of the large end surface of each of the tapered rollers and a base curvature radius (RBASE) from a vertex of a cone angle of each of the tapered rollers to the large-collar surface has a ratio R/RBASE in a range of 0.75 to 0.87, and when RACTUAL represents an actual curvature radius of the large end surface, a ratio RACTUAL/R is equal to or larger than 0.5.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: October 27, 2020
    Assignee: NTN CORPORATION
    Inventors: Tomoki Matsushita, Takashi Kawai
  • Patent number: 10816038
    Abstract: A sleeve is provided on a seal seat of a bearing ring, for example an outer bearing ring of a propshaft bearing. The sleeve receives a bearing seal in an interference fit.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: October 27, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Rajesh Shanbhag, Tyler Boger
  • Patent number: 10808713
    Abstract: This is invention relates to a bearing support for a vacuum pump and, in particular, to a polymer bearing support for a vacuum pump. The invention further encompasses vacuum pumps comprising polymer bearing supports, and methods of manufacturing bearing supports.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: October 20, 2020
    Assignee: Edwards Limited
    Inventors: Emiliano Lucchetta, Reuben Day
  • Patent number: 10808759
    Abstract: A sliding member of the present embodiment includes a bearing alloy layer and a coating layer provided on a sliding surface side thereof. The coating layer has a resin binder with sulfide particles dispersed therein. A covering portion is provided over specific particles and is made of metal oxide comprising the same metal element as a metal element constituting the sulfide particles. When measured by an X-ray photoelectron spectroscopy and an X-ray diffraction method, a ratio of a peak height of the metal oxide to a peak height of metal sulfide by the X-ray photoelectron spectroscopy is from 0.10 to 0.50, and a ratio of the peak height of the metal oxide to the peak height of the metal sulfide by the X-ray diffraction method is 0.10 or less.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: October 20, 2020
    Assignee: DAIDO METAL COMPANY LTD.
    Inventors: Kazuki Sakai, Shigeru Inami, Kenji Nimura
  • Patent number: 10808757
    Abstract: Provided is a rotor system including: a rotating shaft structure including a shaft and a thrust disc formed in a radial direction of the shaft; at least one journal air bearing including a journal bearing support which is made of a rigid body to support a load applied to the shaft by air, a journal spring which encloses an outer surrounding surface of the journal bearing support to provide a elastic support force to the journal bearing support, and a journal damper which encloses the outer surrounding surface of the journal bearing support to dissipate energy from vibration applied to the journal bearing support; and at least one thrust air bearing including a thrust bearing support which is made of a rigid body to support a load applied to the thrust disc by air, a thrust spring which is positioned on one surface of the thrust bearing support to provide a elastic support force to the thrust bearing support, and a thrust damper which is positioned on one surface of the thrust bearing support to dissipate ener
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: October 20, 2020
    Assignee: INDUSTRY-UNIVERSITY COOPERATION-FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventor: Keun Ryu
  • Patent number: 10808573
    Abstract: There is disclosed a gas turbine engine including a bearing housing having at least two bearings axially spaced from one another relative to a central axis. The bearing housing has a case between the at least two bearings having a joint configured for relative axial movement between the bearing supports. A method of operating a bearing assembly including the bearing housing is also disclosed.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: October 20, 2020
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Guy Lefebvre, Remy Synnott
  • Patent number: 10808754
    Abstract: An adjustable spacer with a non-hardened intermediate portion therebetween is mountable between a pair of roller bearings also mounted on a shaft such an axle or spindle or the like. The intermediate portion allows the spacer to collapse in the axial direction to maintain desired axial loads on the bearings.
    Type: Grant
    Filed: May 5, 2020
    Date of Patent: October 20, 2020
    Assignee: TEMPER CORPORATION
    Inventor: John E. Rode
  • Patent number: 10808762
    Abstract: A bearing assembly includes an inner ring and an outer ring that define a bearing interior between them and either the inner ring or the outer ring is fixed. When the inner ring is fixed, the inner ring includes at least one substantially radial through opening and when the outer ring is fixed, the outer ring includes at least one substantially axial and/or radial through opening, or at least one substantially axial and/or radial through opening is provided on a ring fixedly connected to the outer ring. The through opening is disposed between a 9 o'clock position and a 3 o'clock position on the inner ring when the inner ring is fixed or on the outer ring when the outer ring is fixed.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: October 20, 2020
    Assignees: AKTIEBOLAGET SKF, SKF LUBRICATION SYSTEMS GERMANY GMBH
    Inventors: Jesko-Henning Tanke, Kai Engemann, Martin Teupner
  • Patent number: 10806256
    Abstract: A slide rail assembly includes a first rail, a second rail, and a bracket device. The second rail can be displaced with respect to the first rail. The bracket device is adjacent to the first rail and includes a bracket with an upper wall, a lower wall, a sidewall, and a first and a second extension section. The sidewall is connected between the upper and the lower walls. The first and the second extension sections extend from and are bent with respect to the upper and the lower walls respectively. The first rail is partially enclosed in a support channel defined by the upper wall, the lower wall, the sidewall, and the extension sections of the bracket.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: October 20, 2020
    Assignees: King Slide Works Co., Ltd., King Slide Technology Co., Ltd.
    Inventors: Ken-Ching Chen, Shun-Ho Yang, Wei-Chen Chang, Chun-Chiang Wang
  • Patent number: 10794423
    Abstract: An aerostatic bearing includes a slider that is guidable on a guide surface. The slider has an inner, conical sliding surface of an inner air bearing facing the guide surface with a central compressed air supply. The conical sliding surface is attached by first joints to the central compressed air supply and by second joints to a base of the slider arranged on a side of the slider facing away from the guide surface, such that a cone angle of the conical sliding surface is variable. The conical sliding surface is surrounded by an annular sliding surface of an outer air bearing having an annular compressed air supply.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: October 6, 2020
    Assignee: ETEL S.A.
    Inventor: Nadim Maamari
  • Patent number: 10794222
    Abstract: A support assembly for a bearing of a gas turbine engine including a spring finger ring positioned radially exterior to an outer race of the bearing. The spring finger ring includes an outer ring positioned radially exterior to the outer ring, an inner ring positioned radially interior to the outer ring, and a plurality of spring fingers extending between the inner and outer rings. One or more spring fingers configured as two-sided spring fingers including a first ligament coupled to the outer ring and extending at a first circumferential angle to a first radial bumper proximate to the inner ring and a second ligament coupled to the inner ring and extending at a different second circumferential angle to a second radial bumper proximate to the outer ring. The first and second radial bumpers define first and second radial gaps between the bumpers and the inner and outer rings, respectively.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: October 6, 2020
    Assignee: General Electric Company
    Inventors: Ravindra Shankar Ganiger, Thomas Ory Moniz, Satish Kumar Yadav, Ambika Shivamurthy, Praveen Sharma, Bhujabal Prashant Mahadeo
  • Patent number: 10794425
    Abstract: A mechanical assembly including a shaft, a mechanical device providing, a bearing mounted on the shaft and including at least one ring that is able to move in rotation about the shaft, a lubrication system having a channel to allow lubricant fluid to flow, formed at the interface between the shaft and the bearing, distribution ducts for lubricant fluid, formed in the bearing and fluidically connected to the channel. The channel provides at least one constriction to create a loss of head of the lubricant fluid flowing in the channel.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: October 6, 2020
    Assignee: SKF Aerospace France S.A.S
    Inventors: Bruno Sorlier, Alexandre Aury, Matthieu Miolane
  • Patent number: 10794428
    Abstract: There are provided a sealing device and a hub bearing that can reduce torque. Pear-skin-like projections and depressions are provided on each of a sliding surface in a lip for foreign object (a side lip 121a and a middle lip 121b) and a sliding surface in a lip for grease 122. Roughness of the pear-skin-like projections and depressions provided on the sliding surface of the lip for grease 122 is larger than roughness of the pear-skin-like projections and depressions provided on the sliding surface of the lip for foreign object.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: October 6, 2020
    Assignee: NOK CORPORATION
    Inventors: Yuichi Shuto, Kei Sasaki, Shohei Yamane, Yuichi Tarukawa, Takuya Kato
  • Patent number: 10794422
    Abstract: A slewing ring bearing includes an outer race and an inner race rotatable relative to the outer race. At least one of the outer race or the inner race is split into a first portion and a separate, second portion. The slewing ring bearing also has a plurality of roller elements arranged between one or more raceways defined by the inner and outer races. The first and second portions of at least one of the inner or outer races are coupled together via a threaded interface therebetween so as to establish a predetermined preload for the slewing ring bearing.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: October 6, 2020
    Assignee: General Electric Company
    Inventor: Martin Scott Galehouse
  • Patent number: 10787031
    Abstract: An assembly of an outer ring and a knuckle comprises an outer ring used in a wheel bearing and a knuckle for connecting the outer ring to a suspension system. The outer ring comprises a body having a hollow formed in an axial direction of a rotation axis, a mounting portion extending in an outer radial direction and a circumferential direction of the body and having a plurality of first mounting holes formed thereon, and at least one mating protrusion formed on an outer circumferential surface of the body. The knuckle comprises a step portion configured to mate with the mating protrusion in an axial direction of the body. A plurality of second mounting holes corresponding to the plurality of first mounting holes are formed on the knuckle. The mating protrusion has one of a plurality of mating shapes having different shapes.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: September 29, 2020
    Assignee: ILJIN GLOBAL CO., LTD
    Inventor: Jong Keun Lim