Patents Examined by Phillip A. Johnson
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Patent number: 11821467Abstract: A sensor bearing unit includes a bearing having a first ring and a second ring centered on an axis, an impulse ring secured to the first ring and a sensor device secured to the second ring for detecting rotational parameters of the impulse ring. The impulse ring is secured into a groove formed on a cylindrical surface of the first ring which is located radially on a side of the first ring opposite the second ring.Type: GrantFiled: May 10, 2022Date of Patent: November 21, 2023Assignee: AKTIEBOLAGET SKFInventors: Maruti Vitthal Khaire, Manoj M Babu
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Patent number: 11821462Abstract: In a pair of sliding members (3, 5) sliding relative to each other on sliding surfaces (S), at least one of the sliding surfaces (S) includes a dynamic pressure generation mechanism (11), and the curvature of the dynamic pressure generation mechanism (11) is set to increase in proportion to the flow path length of the dynamic pressure generation mechanism (11). The sliding member can exhibit a pumping action even at low-speed rotation and can exhibit sealing function and lubrication function.Type: GrantFiled: August 22, 2019Date of Patent: November 21, 2023Inventor: Tadatsugu Imura
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Patent number: 11815131Abstract: A seal assembly is for sealing a space adjacent to a bearing and defined between an inner member and an outer member disposed about the inner member. The seal assembly includes an annular seal disposed about the inner member and having a sealing lip sealingly engageable with the inner member. An annular load ring is disposed within the outer member bore and has an inner circumferential surface defining a bore, the seal being disposed within the bore and coupled with the ring. A first axial end of the ring is disposed against the bearing outer ring, or a spacer disposed axially between the load ring and the bearing outer ring, and a second axial end is disposed against a radial surface of the outer member. The load ring is configured to support axial loading on, and to prevent axial displacement of, the bearing outer ring.Type: GrantFiled: March 14, 2022Date of Patent: November 14, 2023Assignee: AKTIEBOLAGET SKFInventor: John Arthur Wilkins
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Patent number: 11815070Abstract: An energy converting device that includes a stationary vertical structure with a vertical post member, compressible and expandable containers containing “lighter-than-air” gas, and a supporting base that can vertically slide along the post member. A control mechanism is used to compress and decompress the gas within the containers, and the supporting base can move up or down depending on the compression state of the gas.Type: GrantFiled: May 15, 2023Date of Patent: November 14, 2023Inventor: Yaniv Balas
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Patent number: 11814902Abstract: 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 surface.Type: GrantFiled: March 24, 2023Date of Patent: November 14, 2023Assignee: US Synthetic CorporationInventors: Tyler Kolste, Daryl Wise, S. Barrett Peterson
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Patent number: 11802587Abstract: The disclosure relates to a rolling bearing for a medical or cosmetic instrument including a bearing inner ring revolving around an axis of rotation; and a stationary bearing outer ring, which concentrically encloses the bearing inner ring; wherein a bearing gap is formed between the bearing inner ring and the bearing outer ring and a plurality of rolling bodies is arranged in succession in circumferentially in the bearing gap, the bearing inner ring being mounted in the bearing outer ring; and wherein the rolling bodies are arranged rolling on the bearing inner ring and the bearing outer ring, the bearing gap being covered in the axial direction by a cover disk, which forms a radial gap with the bearing inner ring extending in the axial direction, the radial gap has a gap length and a gap height, the gap length being at least 25% of the rolling body height.Type: GrantFiled: January 19, 2022Date of Patent: October 31, 2023Inventors: Kurt Adleff, Erich Greiter, Martin Rauh, Martin Engler
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Patent number: 11796005Abstract: Bearing arrangement for a machine element having a bearing having an outer bearing race radially fixed by a cylindrical cutout in the mounted state of the bearing arrangement; a locking element having an annular radial portion and at least one axial portion; and the annular radial portion of the locking element cooperates with a region of the outer bearing race on a first axial side of the outer bearing race to secure the outer bearing race at the first axial side; and at least one securing element which, in a mounted state of the bearing arrangement, is in operative engagement with the at least one axial portion of the locking element and with the machine element such that the locking element secures the outer bearing race at the first axial side.Type: GrantFiled: January 14, 2021Date of Patent: October 24, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Julian Larbig, Steffen Matschas, Spyros Kotsalos, Axel Rohm, Martin Pfeuffer
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Patent number: 11796002Abstract: Bearing arrangement with a bearing having an outer bearing race; a machine element with a cylindrical cutout receiving and securing the outer bearing race; and a circumferentially constructed groove adjoins a first axial side of the cylindrical cutout and extends radially outward to receive a locking element for securing the outer bearing race at the first axial side of the groove; an annular locking element having an inner diameter which is larger in a mounting state than in a securing state. The locking element is partially guided in the constructed circumferential groove to secure the outer bearing race at the first axial side in the securing state; and a securing device cooperates with the locking element to secure a changed state of the locking element; and the securing device secures the locking element from an outer side of the machine element opposite the first axial side of the cylindrical cutout.Type: GrantFiled: January 14, 2021Date of Patent: October 24, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Julian Larbig, Steffen Matschas, Michael Grafelmann, Ingo Krafft, Axel Rohm
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Patent number: 11788580Abstract: In an outer ring rotating rolling bearing, an inclined surface is formed on an outer peripheral surface of an inner ring and decreasing in diameter toward an axially outer side, a seal member includes an annular core metal and an annular elastic member fixed to the core metal, and an elastic member includes a neck portion extending from an inner peripheral edge portion of the core metal toward a radially inner side and a seal lip formed at a tip end portion of a neck portion and brought into contact with the inclined surface of the inner ring with a tightening margin. Here, T2?T1, where a width of the core metal is T1 and a thickness of the neck portion is T2.Type: GrantFiled: February 14, 2020Date of Patent: October 17, 2023Assignee: NSK LTD.Inventor: Tomoya Ichikawa
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Patent number: 11788577Abstract: A rotary bearing with a damper having an inner bearing element configured for rotation around an axis of rotation, an outer bearing element coaxial with the inner bearing element, an inner damper element with an outer surface surrounding the outer bearing element, an outer damper element with an inner surface surrounding the inner damper element, at least one sealing element provided between the outer surface and the inner surface, the sealing element confining a damper space having a circumferential film space defined by a clearance between the outer surface and the inner surface. The damper space contains fluid and is a closed, isolated damper space.Type: GrantFiled: February 7, 2019Date of Patent: October 17, 2023Assignee: GEA Process Engineering A/SInventors: Jon Steffen Larsen, Jakob Nielsen, Asger Hansen
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Patent number: 11788579Abstract: In a raceway surface of at least one of an inner ring and an outer ring, a region not affected by machining is set as a first region, and a region, which has (a) a machining amount of 0.03 or more, (b) an amount of residual austenite being 70% or more of an amount of retained austenite in the first region, and (c) a compressive residual stress being higher by 500 MPa or more than a compressive residual stress in the first region, is set as a second region.Type: GrantFiled: January 27, 2021Date of Patent: October 17, 2023Assignee: NSK LTD.Inventors: Hirofumi Ito, Masahide Natori, Hideyuki Hidaka
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Patent number: 11781593Abstract: A non-contact air bearing having electrostatic discharge properties may comprise: a porous media element having a bearing surface; a supply line configured supply an externally pressurize gas or fluid to the porous media; and an electrostatic dissipative porous bearing layer on the bearing surface of the porous media element; wherein the externally pressurized fluid flows through the porous media element and creates a thin film between the electrostatic dissipative layer and a substrate supported by the air bearing.Type: GrantFiled: August 24, 2022Date of Patent: October 10, 2023Assignee: NEW WAY MACHINE COMPONENTS, INC.Inventors: Joshua A. Schaffstall, Dakota H. Peirce, Michael T. Sabol, Andrew Devitt, Richard D. Pollick
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Patent number: 11781595Abstract: A deep groove ball bearing providing an inner ring, an outer ring and a plurality of balls being arranged between the inner ring and the outer ring. The inner ring and the outer ring each include a raceway for the plurality of balls. Each raceway encompasses the plurality of balls symmetrically. The deep groove ball bearing is lubricated by a lubricant being arranged on each axial side of the plurality of balls. The raceways are offset in the same axial direction from the axial center of the inner ring and the outer ring such that the raceways are offset to the axial side of the deep groove ball bearing where the shear rate acting on the lubricant is higher than on the other axial side of the deep groove ball bearing.Type: GrantFiled: May 24, 2022Date of Patent: October 10, 2023Assignee: Aktiebolaget SKFInventors: Pieter Martin Lugt, Mourad Chennaoui, Nicola de Laurentis, Sathwik Chatra Kalsanka Ramakrishna, Jun Wang, Frank Berens
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Patent number: 11773904Abstract: A ball bearing has an outer circumferential surface of an inner ring subjected to a surface treatment by laser cladding in a circumferential direction, forming an annular first build-up layer with which a plurality of balls 4 is brought into contact so that the balls are rolled in the circumferential direction (first build-up layer formation step). An inner circumferential surface of an outer ring is subjected to a surface treatment by laser cladding in a circumferential direction, thereby forming an annular second build-up layer with which the plurality of balls contacts so that the balls can be rolled in the circumferential direction (second build-up layer formation step).Type: GrantFiled: April 10, 2020Date of Patent: October 3, 2023Assignees: Osaka Fuji Corporation, Asahi Seiko Co., Ltd., University Public Corporation OsakaInventors: Yoshihiro Tatsumi, Yuki Kitamura, Keiji Munekane, Yasuyuki Kaneno, Takayuki Takasugi
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Patent number: 11773910Abstract: One embodiment of the present invention provides a ball bearing roller assembly comprising an inner ring having an insertion hole into which a protrusion of a storage body is inserted; an outer ring having a hollow through which the inner ring is inserted, and provided outside the inner ring, at least one ball bearing provide between the inner ring and the outer ring, and in rolling contact with the inner ring and the outer ring; a cover inserted and coupled to a space between the inner ring and the outer ring, and fixing the ball bearing to the outer circumferential surface of the inner ring and the inner circumferential surface of the outer ring and a detachable coupling portion formed to extend from one end portion of the inner ring, and having an insertion space portion into which a vertical wire of the storage body is inserted.Type: GrantFiled: July 27, 2020Date of Patent: October 3, 2023Assignee: SEGOS CO., LTD.Inventors: Doo Myun Lee, Dong Hyun Kim, Sai Ryun Kim, Gwang Jun Hwang
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Patent number: 11773908Abstract: An electrically conductive assembly prevents current flow through the raceways of a bearing disposed about a shaft and an outer ring disposed and within a bore of an outer member. An arcuate conductor has a centerline, an inner radial end engageable with the shaft or a bearing inner ring, an outer radial end and two circumferential ends spaced circumferentially apart such that an arcuate gap is defined between the two ends when the conductor is installed about the shaft or the bearing inner ring. The two circumferential ends define a gap angle about the centerline, the gap angle having a value of at least thirty degrees. At least one conductive coupler is configured to attach the conductor to the outer member, another member or the bearing outer ring such that an electrically conductive path extends through the conductor and the at least one coupler.Type: GrantFiled: June 16, 2022Date of Patent: October 3, 2023Assignee: AKTIEBOLAGET SKFInventor: Gene A Kovacs
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Patent number: 11761435Abstract: A cradle bearing for supporting a swashplate of a variable hydraulic axial piston. The cradle bearing is of an angular ball bearing type or comprises, with respect to the bearing axis, a tapered inner race and/or a tapered outer race. A swashplate for a variable hydraulic axial piston unit including a first and a second cradle bearing zone spaced to each other in axial direction of a swashplate tilt axis, suitable for supporting the swashplate in a housing of a variable hydraulic axial piston unit, wherein the first cradle bearing zone is inclined with respect to the swashplate tilt axis. A variable hydraulic axial piston unit of the swashplate type including a swashplate which is supported rotatable in the housing of the variable hydraulic axial piston unit at a first bearing zone by a tapered bearing and at a second bearing zone by regular cylindrical cradle bearing or a journal bearing whose axis is aligned with the swashplate tilt axis.Type: GrantFiled: December 20, 2021Date of Patent: September 19, 2023Assignee: DANFOSS POWER SOLUTIONS GMBH & CO. OHGInventors: Jaromir Tvaruzek, Heiko Laffrenzen
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Patent number: 11761484Abstract: A bearing assembly includes a bearing defining a bearing bore therethrough with a plurality of spring bores circumferentially distributed around the bearing bore. A respective spring is seated in each of the spring bores. Each spring is has a flared end that is larger in diameter than a main section of the spring. The flared end of each spring engages its respective spring bore.Type: GrantFiled: December 6, 2021Date of Patent: September 19, 2023Assignee: Hamilton Sundstrand CorporationInventor: David J. Avery
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Patent number: 11761432Abstract: An energy storage and delivery system includes an elevator cage, where the elevator cage is operable to move one or more blocks from a lower elevation to a higher elevation to store energy (e.g., via the potential energy of the block in the higher elevation) and operable to move one or more blocks from the higher elevation to the lower elevation (e.g., by gravity) to generate electricity (e.g., via the kinetic energy of the block when moved to the lower elevation). The blocks are moved between the lower elevation and the higher elevation by an equal vertical distance.Type: GrantFiled: December 9, 2022Date of Patent: September 19, 2023Assignee: Energy Vault, Inc.Inventor: Andrea Pedretti
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Patent number: 11754116Abstract: A wheel bearing assembly is disclosed that a bearing ring defining a first splined portion, a joint element including a second splined portion configured to matingly engage with the first splined portion, and a first retention assembly arranged radially outward from the first and second splined portions. The first retention assembly is configured to axially retain the bearing ring with the joint element.Type: GrantFiled: April 22, 2022Date of Patent: September 12, 2023Assignee: Schaeffler Technologies AG & Co. KGInventors: Shakeel Shaikh, Rajmohan Kolli, Zheng Wang