Patents Examined by Marcus Charles
-
Patent number: 10738826Abstract: A bearing or rolling bearing may comprise a stationary first bearing ring and a second bearing ring that is arranged in a rotatable manner about a longitudinal axis relative to the first bearing ring. The bearing may have a first sensor and a second sensor, which are contactless measuring sensors. The first sensor and the second sensor may each have a sensor surface. The first sensor may be positioned opposite an at least partly circumferential reference edge, and the second sensor may be positioned opposite a reference surface. The first sensor can measure a degree of overlap between the sensor surface of the first sensor and the reference edge. The second sensor can measure a distance, in particular a radial distance, between the sensor surface of the second sensor and the reference surface.Type: GrantFiled: August 24, 2017Date of Patent: August 11, 2020Assignees: THYSSENKRUPP ROTHE ERDE GMBH, THYSSENKRUPP AGInventors: Gunther Elfert, Joerg Rollmann, Christopher Stenzel
-
Patent number: 10738823Abstract: A tilting-pad bearing (1) includes a sleeve (5), a plurality of tilting pads (4), which are arranged in the sleeve (5), wherein an associated spring element (3) is provided between the sleeve (5) and each tilting pad (4), wherein the spring element (3) has at least two sections having a stiffness of different magnitude as a result of varying the thickness of the cross-section (8, 10) of the spring element (3) in the width direction and/or longitudinal direction of the spring element (3).Type: GrantFiled: August 10, 2017Date of Patent: August 11, 2020Assignee: Robert Bosch GmbHInventor: Jochen Doehring
-
Patent number: 10738653Abstract: A damper assembly includes a bearing assembly including a bearing outer race. A damper inner race is spaced from the bearing outer race and includes a plurality of circumferentially-spaced first openings. The damper assembly also includes a damper outer race spaced from damper inner race and a plurality of damper segments extending between the damper inner race and the damper outer race. Each damper segment includes a plurality of second openings.Type: GrantFiled: May 3, 2018Date of Patent: August 11, 2020Assignee: General Electric CompanyInventors: Narayanan Payyoor, Satish K. Yadav, Shuvajyoti Ghosh, Ravindra Shankar Ganiger
-
Patent number: 10738824Abstract: A rotating bearing assembly having a stationary housing, a rotating shaft, and a rolling bearing radially arranged between the stationary housing and a shaft end of the rotating shaft. The rolling bearing provides a seal that includes a stiffening insert and a sealing gasket disposed between the inner ring and the outer ring on an axial side of rolling bearing. The rolling bearing is open on the opposite axial direction to the shaft end. A cage includes an annular heel oriented towards the axial side of the shaft end, two circumferentially adjacent pockets being separated by a projected portion that axially extends from the heel towards the open axial side of rolling bearing.Type: GrantFiled: May 18, 2018Date of Patent: August 11, 2020Assignee: Aktiebolaget SKFInventors: Benoit Hauvespre, Mickael Chollet, Samuel Viault
-
Patent number: 10738852Abstract: A bearing assembly is for movably coupling first and second members and includes first and second laminated bodies disposed within the second member bore, spaced about a centerline and connected with the first member. The first laminated is formed of alternating, arcuate first elastomeric laminae and arcuate first rigid laminae nested generally about a first central axis, each first rigid lamina having a first radial thickness between inner and outer surfaces. The second laminated body is formed of alternating, arcuate second elastomeric laminae and arcuate second rigid laminae nested generally about a second central axis, each second rigid lamina having a second radial thickness between the rigid lamina inner and outer surfaces. The first radial thickness of the first rigid laminae is substantially greater than the second radial thickness of the second rigid laminae such that the second laminated body has a substantially lesser stiffness than the first laminated body.Type: GrantFiled: March 29, 2019Date of Patent: August 11, 2020Assignee: AKTIEBOLAGET SKFInventor: Derek Wright
-
Patent number: 10738829Abstract: The invention is directed to a rolling bearing having at least one row of cylindrical rolling bodies for transmitting axial forces between two annular connection elements which are concentric to a common axis of rotation and which, for the purpose of rotation about the common axis of rotation, are spaced apart from one another by a gap, wherein the at least one row of cylindrical rolling bodies is so arranged that, in the unloaded state of the rolling bearing, the axes of rotation of all the cylindrical rolling bodies of the row lie in a common plane through which the common axis of rotation passes perpendicularly, wherein at least one raceway for the at least one row of cylindrical rolling bodies is in the form of a flat surface of a wire which has on its surface region complementary to the raceway surface an arcuate, convexly curved cross-sectional profile and is thereby inserted at least in some regions into a peripheral recess having a cross-sectional profile complementary thereto in an annular connectionType: GrantFiled: February 8, 2017Date of Patent: August 11, 2020Assignee: IMO HOLDING GmbHInventor: Hubertus Frank
-
Patent number: 10731708Abstract: A bearing includes a first ring, a second ring and a plurality of rolling elements between the first and second rings. The first ring is a split ring formed of a first ring part and a second ring part that meet at a joint region, and each of the ring parts includes a recess that extends axially into the respective ring part from the joint region. A cylindrical seal is disposed in the recess of the first ring part and extends across the joint into the recess of the second ring part.Type: GrantFiled: February 25, 2019Date of Patent: August 4, 2020Assignee: AKTIEBOLAGET SKFInventors: Jesko-Henning Tanke, Christian Kogler, Holger Kristandt
-
Patent number: 10731703Abstract: A tapered roller bearing includes inner and outer rings including raceway surfaces having tapered shapes on their outer and inner peripheries, respectively, tapered rollers between the raceway surfaces, and a retainer configured to receive the tapered rollers. At least the raceway surface of the inner ring includes cut crowning of a complex curve including a center curve and end portion curves formed on both sides of the center curve each have a curvature radius smaller than a curvature radius of the center curve. The tapered rollers each have a rolling surface including a straight portion and logarithmic crowning portions formed on both sides of the straight portion. When the raceway surface of the inner ring has an effective raceway surface width represented by LG, and the straight portion of the rolling surface of the tapered roller has a width represented by LW1, 0.7?LW1/LG<0.95 is satisfied.Type: GrantFiled: August 25, 2017Date of Patent: August 4, 2020Assignee: NTN CORPORATIONInventor: Tomoki Matsushita
-
Patent number: 10724574Abstract: A bearing device includes an annular hub cap facing an inner ring. An inner annular surface of the hub cap abuts a part of one end surface of the inner ring which extends from an inner peripheral edge to an intermediate position located on the way from the inner peripheral edge to an outer peripheral edge. An annular adhesive retaining portion is formed between the area extending from the intermediate position to the outer peripheral edge of one end surface and at least an inclined annular surface of the hub cap.Type: GrantFiled: May 29, 2019Date of Patent: July 28, 2020Assignee: MINEBEA MITSUMI INC.Inventor: Tadashi Uchida
-
Patent number: 10718377Abstract: There is prepared a formed body constituted of steel and having an outer circumferential surface having an annular groove having a bottom surface to serve as a raceway surface of the bearing ring. In the step of forming a heated region, the formed body is induction heated to form a heated region including the bottom surface of the groove and heated to a temperature of at least an A1 point. In the cooling step, the whole of the heated region is simultaneously cooled to a temperature of not more than an Ms point. The step of retaining the formed body in a state in which heating is stopped is performed after the step of forming a heated region before the step of cooling. In the step of retaining, dispersion in temperature in the heated region in the circumferential direction is suppressed to not more than 20° C.Type: GrantFiled: October 12, 2016Date of Patent: July 21, 2020Assignee: NTN CORPORATIONInventors: Michio Hori, Hideto Torisawa, Hiroshi Yuki, Chikara Ohki, Kazuhiro Yagita
-
Patent number: 10718374Abstract: Downhole tools such as bearing assemblies and stabilizers are described for withstanding abrasive and erosive wear in operation. These stabilizers and bearing assemblies employ wear-resistant hard materials such as TSP, PCD, leached WC, and SCD composite materials. A bond between a braze material and wear tiles constructed of a hard phase material may include a non-planar interface with the braze material. Self-lubricating materials may be provided within the braze material or the hard material in some instances.Type: GrantFiled: August 18, 2017Date of Patent: July 21, 2020Assignee: HALLIBURTON ENERGY SERVICES, INC.Inventors: Krutibas Panda, Philip Park-Hung Leung, Tyler Jeffrey Romanyk, Andrew McPherson Downie, Steven Graham Bell
-
Patent number: 10711838Abstract: This mobile-object-holding tool is mounted in place of a track body on a mobile object which moves along the track body, wherein the mobile object includes at least a pair of rolling element load rolling grooves through which a plurality of rolling elements roll and the mobile-object-holding tool includes a pair of holding parts which face the pair of rolling element load rolling grooves and hold the plurality of rolling elements, a biasing linking part which links the pair of holding parts together and biases the pair of holding parts away from each other, and a deformation regulating part which regulates a mounted contraction amount by which the biasing linking part is capable of contracting after being mounted on the mobile object to a predetermined value or less.Type: GrantFiled: August 2, 2017Date of Patent: July 14, 2020Assignee: THK CO., LTD.Inventors: Kaoru Hoshide, Katsuya Iida, Soshi Miyahara, Masakazu Takahashi, Shigeo Tomita
-
Patent number: 10711833Abstract: A mechanical bearing includes a hard bearing element and a support element affixed to the hard bearing element, with a joining element between the hard bearing element and the support element, the joining element being more flexible than the hard bearing element and the support element.Type: GrantFiled: September 15, 2016Date of Patent: July 14, 2020Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Daniel Manwill, Scott S. Dahlgren, David R. Hall, Jonathan D. Marshall
-
Patent number: 10711842Abstract: In accordance with one aspect of the present disclosure, a roller bearing seal assembly is provided that includes a seal case and a rotor having a unitary, one-piece construction. The rotor is connected to the seal case and is rotatable relative to the seal case about an axis. The seal case and rotor include interfering portions that limit axial separation of the rotor and the seal case. In one embodiment, the rotor and seal case include at least one snap-fit connection that permits the rotor and seal case to be readily assembled. The at least one snap-fit connection includes the interfering portions which inhibit axial separation of the rotor and seal case after the rotor and seal case have been assembled.Type: GrantFiled: May 23, 2018Date of Patent: July 14, 2020Assignee: Amsted Rail Company, Inc.Inventors: Timothy M. Liebe, Michael A. Mason
-
Patent number: 10714297Abstract: A liquid metal or spiral groove bearing structure for an x-ray tube and associated process for manufacturing the bearing structure is provided in which journal bearing sleeve is formed with a number of structures thereon that function to dissipate heat transmitted to the sleeve during operation of the bearing assembly within the x-ray tube to minimize thermal deformation of the sleeve, thereby minimizing gap size alteration within the bearing assembly. The structures formed within the sleeve are slots disposed within the section of the sleeve in which the highest temperature gradients develop. The slots enable an increase in thermal conductance away from the sleeve while minimizing the stresses created from the deformation of the portion(s) of the sleeve between the slots.Type: GrantFiled: July 9, 2018Date of Patent: July 14, 2020Assignee: General Electric CompanyInventors: Ian Strider Hunt, Kevin Shane Kruse
-
Patent number: 10711834Abstract: A vehicle thrust bearing that can reduce the number of assembly parts used in assembling a suspension of a vehicle to a body and reduce the thickness of parts to simplify the assembling work includes an upper case that is attached to a body of a vehicle having a suspension, and a lower case that is arranged under the upper case so as to be rotatable with respect to the upper case, wherein the upper case includes in a top area thereof a mounting portion for being attached to the body of the vehicle.Type: GrantFiled: June 24, 2016Date of Patent: July 14, 2020Assignees: OILES CORPORATION, OILES DEUTSCHLAND GMBHInventors: Robert Hamrodi, Kai Metzler, Tsuyoshi Nagashima, Kouhei Kurose
-
Patent number: 10704590Abstract: Provided is a semi-annular shaped half thrust bearing. The half thrust bearing has a sliding surface and a back surface opposite to the sliding surface. The sliding surface includes a plurality of recesses. Each recess has a recess surface recessed from the sliding surface toward the back surface. The recess surface is convex toward the back surface in cross-sectional view in a center line direction of the half thrust bearing. The recess surface includes a plurality of grooves. The grooves are recessed from the recess surface toward the back surface. The grooves extend in the center line direction so that smooth surfaces and the grooves are alternately arranged on the recess surface in a horizontal direction of the half thrust bearing.Type: GrantFiled: January 28, 2019Date of Patent: July 7, 2020Assignee: DAIDO METAL COMPANY LTD.Inventors: Seiji Amano, Toru Watanabe
-
Patent number: 10704598Abstract: A hydrostatic linear guideway includes a rail, a slider coupled to the rail, and two load blocks disposed between the rail and the slider. A load portion of each load block is spaced from the groove wall of an outer groove of the rail and has an oil chamber facing toward the groove wall of one respective outer groove of the rail, such that an oil film is formed between the rail and each load block. A bearing portion of each load block is abutted against the groove wall of an inner groove of the slider so that the two load blocks are moved synchronously with the slider. Thus, the hydrostatic linear guideway of the present invention has the oil chamber defined in each load block and does not require additional processing of the slider, achieving the purpose of reducing the difficulty of the manufacturing process.Type: GrantFiled: March 5, 2019Date of Patent: July 7, 2020Assignee: HIWIN TECHNOLOGIES CORP.Inventors: Yung-Chin Chu, Jian-Ting Lin
-
Patent number: 10704591Abstract: Provided is a semi-cylindrical shaped half bearing. The half bearing has an inner surface forming a sliding surface. The sliding surface includes a plurality of recesses. Each recess has a smooth recess surface recessed from the sliding surface toward an outer diameter side of the half bearing. The recess surface forms a convex curve toward the outer diameter side of the half bearing in a cross-sectional view in any direction perpendicular to the sliding surface. The recess surface includes a plurality of circumferential grooves. The circumferential grooves are recessed from the recess surface toward the outer diameter side of the half bearing. The circumferential grooves extend along a circumferential direction of the half bearing so that smooth surfaces and the circumferential grooves are alternately arranged on the recess surface.Type: GrantFiled: May 20, 2019Date of Patent: July 7, 2020Assignee: DAIDO METAL COMPANY LTD.Inventors: Seiji Amano, Toru Watanabe
-
Patent number: 10704597Abstract: An axle assembly having a rotor bearing preload module. The rotor bearing preload module may be disposed between a first and second rotor bearing assemblies. The rotor bearing preload module may include a biasing member that may bias the first rotor bearing assembly away from the second rotor bearing assembly.Type: GrantFiled: November 30, 2018Date of Patent: July 7, 2020Assignee: ArvinMeritor Technology, LLCInventors: Mark Smith, Angel Begov