Patents Assigned to Aktiebolaget SKF
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Patent number: 11536351Abstract: A pulley device configured to support a belt of a chain tensioning idler or runner roller includes a bearing having a rotatable outer ring and a coaxial fixed inner ring and a pulley having at least one C-shaped pulley part that has an inner portion with an inner surface mounted on an outer cylindrical surface of the bearing outer ring, an outer cylindrical portion having an outer cylindrical surface configured to contact the belt or the chain, and a radial intermediate portion between axial outer ends of the inner and outer cylindrical portions and an axial outer end of the outer cylindrical portion, wherein a ratio between a radial material thickness of the outer cylindrical portion and a radial material thickness of the inner cylindrical portion is strictly greater than 1.Type: GrantFiled: January 27, 2020Date of Patent: December 27, 2022Assignee: AKTIEBOLAGET SKFInventors: Benoit Arnault, Mickael Chollet, Kévin Lefort, Simon Prevost
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Patent number: 11536318Abstract: An inner ring assembly for a bearing includes a bearing annular body disposable about the shaft and having a bearing inner race and a plurality of slotted openings defining a plurality of arcuate mounting tabs, the slotted openings each having a curved inner end and each tab including a substantial recess to reduce stress concentration. An annular locking collar is disposed about and clamps the mounting tabs against the outer surface of the shaft to retain the inner ring. The collar is retained on the ring body by a retainer projection(s) extending outwardly from the mounting tabs and engaging with the collar or a retainer member projecting inwardly from the collar and engaging with one of the mounting tabs. The collar has a gap and a flat outer surface section spaced from the gap to increase the dynamic balance and the flexibility of the collar.Type: GrantFiled: September 20, 2021Date of Patent: December 27, 2022Assignees: AKTIEBOLAGET SKF, PEER BEARING COMPANYInventors: Andrew Michael Bauer, Jordan Eric Gutowski, Trenton Alan Midyett, Joseph Anthony D'Andrea
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Patent number: 11537117Abstract: A method for setting alarm levels for a machine provides defining at least one condition indicator reflecting the condition of the machine with respect to a defect to be monitored of the machine, the at least one condition indicator defined from machine kinematic data, recording measurements of process related parameters during a predetermined period during which the machine is operating normally, calculating at least one condition indicator value for the at least one condition indicator) using machine condition data, determining a graph of the at least one condition indicator value as a function of a first process related parameter chosen from the measured process related parameters, dividing the graph into operating classes, each operating class being representative of different operating conditions of the machine, calculating an alarm level value for each operating class, setting the determined alarm level value at the midpoint of each operating class.Type: GrantFiled: July 26, 2021Date of Patent: December 27, 2022Assignee: Aktiebolaget SKFInventors: Joakim Bergstrom, Per-Erik Larsson
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Patent number: 11525487Abstract: A clutch release bearing for a motor vehicle includes a thrust element having an axial axis, a guide element supporting said thrust element, and a self-aligning sleeve including an annular body and a plurality of radial ribs extending towards the guide element from the body with a free end of each of the ribs radially contacting the guide element. The guide element includes angular retaining members for limiting angular movement of at least one radial rib of the plurality of radial ribs, which members may be integrally formed with the guide element or formed as separate elements attached to the guide element.Type: GrantFiled: July 14, 2021Date of Patent: December 13, 2022Assignee: AKTIEBOLAGET SKFInventors: Benoit Arnault, Mickael Chollet, Philippe Walter
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Patent number: 11525481Abstract: A rolling bearing arrangement having a first and a second raceway element, and rolling bodies being arranged between the two raceway elements so that the two raceway elements are rotatable against each other in the manner of a rolling bearing, a space between the raceway elements in which the rolling bodies are rolling off comprising a lubricating grease, at least one sensor element for sensing temperature, at a specific point of the rolling bearing, particularly in the space, and for sensing speed of the rolling bearing and a unit receiving the sensed temperature and speed, calculating from the profiles of the sensed temperature over time and from the speed over time via a calculated energy imposed on the grease a used and/or remaining period of the grease life-time.Type: GrantFiled: January 31, 2019Date of Patent: December 13, 2022Assignee: Aktiebolaget SKFInventors: Pieter Martin Lugt, Rob Bosman, Yuxin Zhou
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Patent number: 11519461Abstract: A sensor bearing unit includes a bearing having a first ring and a second ring, and an impulse ring provided with a target holder, with a target mounted on the target holder, and with a sleeve secured to the first ring, the target holder being axially mounted between a lateral face of the first ring and the sleeve. The first ring having at least one anti-rotation feature cooperating with at least one complementary anti-rotation feature formed on the impulse ring so as to prevent angular movement of the impulse ring relative to the first ring.Type: GrantFiled: August 16, 2021Date of Patent: December 6, 2022Assignee: Aktiebolaget SKFInventors: Nicolas Berruet, Charles Chambonneau, Eric Robert, Vincent Sausset
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Patent number: 11512358Abstract: An orifice-type quenching nozzle for an induction hardening system includes a body having a plurality of nozzle orifices configured to apply a quenching fluid onto a to-be-quenched workpiece. The nozzle orifices are arranged on at least one surface of the body in rows and in columns, and the plurality of nozzle orifices are positioned such that each nozzle orifice is located a same distance from each directly adjacent nozzle orifice.Type: GrantFiled: March 9, 2020Date of Patent: November 29, 2022Assignee: AKTIEBOLAGET SKFInventors: Roland Schiesser, Martina Sticht, Gerhard Wagner
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Patent number: 11512779Abstract: A seal assembly configured to seal a first machine part relative to a second machine part includes a sliding ring provided on the first machine part, the sliding ring having a sealing surface configured to slidingly abut a counter surface of the second machine part, and includes a clamping ring configured to exert a force on the sliding ring in a direction of the counter surface. The sliding ring includes a plurality of circumferentially spaced recesses in the seal surface that extend axially and radially into the sliding ring.Type: GrantFiled: March 23, 2018Date of Patent: November 29, 2022Assignee: AKTIEBOLAGET SKFInventor: Matthias Krebs
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Patent number: 11513137Abstract: A device for measuring at least one physical quantity includes a direct voltage source and a measuring sensor coupled to the voltage source, which sensor is configured to measure a physical quantity. A current regulator is connected between the direct voltage source and the measuring sensor, and a voltmeter is connected in parallel with the measuring sensor so that a voltage detected by the voltmeter is indicative of the measured quantity.Type: GrantFiled: December 21, 2020Date of Patent: November 29, 2022Assignee: AKTIEBOLAGET SKFInventor: Anders Ericsson
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Patent number: 11512740Abstract: A combined electrical insulator and conductor assembly for a bearing disposable between a shaft and a housing includes an annular insulator disposable about the bearing outer ring and configured to prevent electric current flow between the outer ring and the housing and including a plurality of projections extending axially along and spaced circumferentially about a centerline. A conductor includes a conductive disk with an outer radial end engageable with the housing inner surface, an inner radial end defining a central opening for receiving the shaft and openings each receiving a separate one of the plurality of projections of the insulator such that the disk is axially displaceable relative to the insulator. An annular conductive brush subassembly is coupled with the conductive disk and includes a plurality of electrically conductive fibers contactable with the shaft outer surface so as to provide a conductive path between the shaft and the disk.Type: GrantFiled: March 23, 2021Date of Patent: November 29, 2022Assignee: AKTIEBOLAGET SKFInventors: Nicolas Berruet, Paul Feliciano, Mathieu Hubert, Tommy Jullien, Gene Kovacs, Thomas Perrotin, Dave Christopher Rybski, Anthony Simonin, Collin Snyder
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Patent number: 11512741Abstract: Disclosed is a packaging sleeve for a full complement needle roller bearing, wherein the packing sleeve is adapted to accommodate at least one set of needles of a full complement needle roller bearing, and wherein the packaging sleeve comprises an outer cylindrical sleeve, wherein a shoulder is arranged on an inner surface of the outer cylindrical sleeve so that the set of needles abut against the shoulder when being arranged in the outer cylindrical sleeve. Furthermore, a packaging sleeve arrangement including such a packaging sleeve and a method for mounting a packaging sleeve are disclosed.Type: GrantFiled: February 2, 2021Date of Patent: November 29, 2022Assignee: AKTIEBOLAGET SKFInventors: Junhong Feng, Harald Metz
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Patent number: 11506260Abstract: A planetary gear is disclosed that provides at least a first hollow wheel with a helical gearing and a second hollow wheel with a helical gearing are adapted to rotate in a first rotational direction and a second opposite rotational direction, and a first double planet having a first wheel with a helical gearing meshing with the helical gearing of the first hollow wheel and having a second wheel with a helical gearing meshing with the helical gearing of the second hollow wheel. The disclosed configuration minimizes backlash between the helical gearings.Type: GrantFiled: January 17, 2020Date of Patent: November 22, 2022Assignee: Aktiebolaget SKFInventor: Ingo Schulz
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Patent number: 11491817Abstract: A plug for a hubcap includes a base configured to fit into and obstruct a port of a hubcap. The base at least partially defines a cavity therein. The plug also includes a cap extending radially outward from the base. The cap defines an opening therein, the opening extending at least partially radially, and a passage extending axially between the opening and the cavity. The opening is in fluid communication with the cavity via the passage.Type: GrantFiled: September 11, 2018Date of Patent: November 8, 2022Assignee: AKTIEBOLAGET SKFInventors: Dave B Templin, Kacy Denton
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Patent number: 11493405Abstract: A device for identifying a type of a bearing is provided. The device includes a detection unit for detecting a vibration frequency of the bearing, and an identification unit for identifying the type of the bearing based on the detected vibration frequency.Type: GrantFiled: February 9, 2021Date of Patent: November 8, 2022Assignee: Aktiebolaget SKFInventors: Joakim Bergstrom, Per-Erik Larsson
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Patent number: 11491839Abstract: A suspension thrust bearing device for use with a suspension spring in an automotive suspension strut of a vehicle. The device includes an upper annular bearing member and a lower annular bearing member in relative rotation. The lower annular bearing member having a body provided with an embedded stiffening insert. The device further provides a damping element made of resilient material and interposed between the lower annular bearing member and the suspension spring. A radial flange of the damping element prevents separation from the lower side of the radial flange of the lower cap.Type: GrantFiled: January 17, 2020Date of Patent: November 8, 2022Assignee: Aktiebolaget SKFInventors: Xavier Blanchard, Guillaume Jouanno, Bruno Montboeuf, Desire Vidot
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Patent number: 11493242Abstract: A cooling system and methods of employing the same includes a refrigerant cycle for cycling refrigerant from a compressor to a condenser and from the condenser an evaporator unit, and a lubrication cycle having at least one lubricating refrigerant supply line for providing refrigerant as lubricant to a bearing assembly.Type: GrantFiled: November 15, 2019Date of Patent: November 8, 2022Assignee: AKTIEBOLAGET SKFInventors: Rudolf Hauleitner, Christine Matta, Guillermo Enrique Morales Espejel, Hans Wallin
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Patent number: 11486474Abstract: A Pulley device for a tensioning or winding roller for a transmission element including a pulley, and a rolling bearing provided with a rotating outer ring, the pulley being mounted on an outer surface of the outer ring, a fixed inner ring, the rings being coaxial and forming a radial space between them, and at least one row of rolling elements arranged in the radial space. The pulley device further includes at least one annular protection flange with a radial body. The flange is fixed to the rotating outer ring by crimping an axially protruding portion of the pulley towards an outer edge of the flange.Type: GrantFiled: September 16, 2019Date of Patent: November 1, 2022Assignee: Aktiebolaget SKFInventors: Benoit Arnault, Gwenael Hingouet, Nicolas Tronquoy
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Patent number: 11486444Abstract: A bearing providing a first ring assembly and a second ring assembly, the first ring assembly including at least a first ring and an outer cap reversibly fixed to first ring. The bearing further providing at least one sealing element mounted radially into a cylindrical surface of the first ring assembly and provided with a sealing lip in sliding frictional contact with the second ring assembly. The bearing including at least one adjusting shim mounted radially between the first and second ring assemblies, the adjusting shim being axially located between the outer cap of the first ring assembly and the sealing element; or between the first ring of the first ring assembly and the sealing element.Type: GrantFiled: October 15, 2020Date of Patent: November 1, 2022Assignee: Aktiebolaget SKFInventors: Bruno Capoldi, Juliette Delaby, Herve Dondaine
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Patent number: 11486445Abstract: A combined electrical insulator and conductor assembly for a bearing disposable between a shaft and a housing includes an annular insulator disposable about the bearing outer ring and configured to prevent electric current flow between the outer ring and the housing and including projections extending axially along and spaced circumferentially about a centerline. A conductor preferably includes a conductive disk with an outer radial end engageable with the housing inner surface, an inner radial end defining a central opening for receiving the shaft and openings each receiving a separate one of the plurality of projections of the insulator such that the disk is axially fixed relative to the insulator. An annular conductive brush subassembly is coupled with the conductive disk and includes a plurality of electrically conductive fibers contactable with the shaft outer surface so as to provide a conductive path between the shaft and the disk.Type: GrantFiled: March 23, 2021Date of Patent: November 1, 2022Assignee: AKTIEBOLAGET SKFInventors: Nicolas Berruet, Paul Feliciano, Mathieu Hubert, Tommy Jullien, Gene A. Kovacs, Thomas Perrotin, Dave Christopher Rybski, Anthony Simonin, Collin Snyder
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Patent number: 11473622Abstract: A bearing component such as a bearing ring includes a metallic base body and at least one alloy steel coating on the base body, the coating being applied to the base body by deposition welding. The base body is preferably non-alloy steel or cast iron, and the alloy includes at least one carbide-forming transition metal such as niobium, tantalum, zirconium, titanium, hafnium, tungsten, molybdenum, vanadium, or manganese. The coating can form a raceway of the bearing component or a structural element such as a flange. Also a method of forming such a bearing component is provided.Type: GrantFiled: November 25, 2019Date of Patent: October 18, 2022Assignee: AKTIEBOLAGET SKFInventor: Juergen Gegner