Patents Assigned to Schaeffler Technology AG & Co. KG
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Patent number: 11970221Abstract: A steering actuator for rear axle steering of a motor vehicle has a spindle drive (5) which comprises pushrods (9) which are connected to a threaded spindle (16) and which are mounted in a housing (6) by means of plain bearings (18), allowing the passage of air, and are connected at each end thereof to an attachment element (12) provided for coupling to a chassis suspension arm, wherein a gaiter (19, 20) is connected on the one side to the housing (6) and on the other side to one of the attachment elements (12) in each case. Each plain bearing (18) is designed as a bearing allowing one revolution of the threaded spindle (16), wherein at least one longitudinal groove (21) abuts one guide bush (23) of the plain bearing (18).Type: GrantFiled: March 12, 2020Date of Patent: April 30, 2024Assignee: Schaeffler Technologies AG & Co. KGInventor: Benjamin Wuebbolt-Gorbatenko
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Publication number: 20240136885Abstract: A heat exchanger assembly is disclosed herein for an electric motor. The heat exchanger assembly can include two fluid circuits: a first circuit for water and a second circuit for oil. The water fluid circuit is configured to cycle cool water through a housing including a heat exchanger element. The oil fluid circuit is configured to supply oil to the area of the heat exchanger element. In one aspect, the oil is supplied to a space defined between a rotor shaft and the housing. The static heat exchanger is packaged coaxially between two rotating shafts.Type: ApplicationFiled: October 23, 2022Publication date: April 25, 2024Applicant: Schaeffler Technologies AG & Co. KGInventor: Maximilian Podschwadt
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Publication number: 20240136884Abstract: A fluid jacket is disclosed herein that generally includes an enclosure component and a stator carrier to define a fluid pocket. Indentations, embossments, or other features can be defined on one of the enclosure component or the stator carrier to provide a more turbulent flow within the fluid pocket. The enclosure component and stator carrier can be laser welded to each other. A constriction can also be defined within the fluid pocket, which can be formed via a relative flattening to straight portion of the enclosure component or the stator carrier. This constriction can effectively restrict the flow of fluid within the fluid pocket, thereby ensuring that fluid is directed circumferentially around the fluid pocket.Type: ApplicationFiled: October 19, 2022Publication date: April 25, 2024Applicant: Schaeffler Technologies AG & Co. KGInventor: Zachary Gnabah
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Publication number: 20240136543Abstract: A contacting assembly of a bipolar plate having two half-sheets which are spaced apart from one another in parallel and can be attributed to a bipolar plate. Each half-sheet has embossing elements and the embossing elements of the two half-sheets face one another. A connecting pin inserted between the half-sheets makes contact with embossing elements of the half-sheets.Type: ApplicationFiled: January 25, 2022Publication date: April 25, 2024Applicant: Schaeffler Technologies AG & Co. KGInventor: Sebastian Zwahr
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Publication number: 20240136902Abstract: An electric axial flux machine having a stator with first and second stator elements arranged spaced apart axially from one another, and a rotor with a rotor body arranged on a rotor shaft, in the form of a disk and arranged axially between the first and second stator elements, the first and second stator elements being arranged movably in the axial direction in relation to the rotor body. An adjustment device is provided to adjust the first stator element and the second stator element in the axial direction in order to set an air gap. The adjustment device adjusts the first stator element and the second stator element in the axial direction depending on a torque which is to be transmitted via the rotor shaft and which generates a resulting supporting moment on the first stator element and on the second stator element.Type: ApplicationFiled: February 7, 2022Publication date: April 25, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Christoph RABER, René DAIKELER, Shen DING
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Publication number: 20240132151Abstract: A steering system for a vehicle including at least one pair of wheel units which can be actuated and deflected independently of each other. Each wheel unit is paired with at least one sensor device for detecting a deviation from a specified deflection of the wheel units relative to each other, and each wheel unit is paired with at least one actuation device in order to actuate the wheel units. At least one control unit is designed to actuate the actuation devices of the wheel units when the sensor devices detect a specified deviation of the specified deflection of the wheel units relative to each other.Type: ApplicationFiled: March 1, 2021Publication date: April 25, 2024Applicant: Schaeffler Technologies AG & Co. KGInventor: Juergen Bohn
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Patent number: 11965549Abstract: An unbalanced shaft is provided that has a center of mass eccentric to its rotational axis to generate a shaft unbalance. The unbalanced shaft includes a bearing journal having a variable width throughout its circumference, and a multi-row cage having rollers which roll on inner raceways arranged on an outer lateral surface of the bearing journal. The rollers and inner raceways define a load zone, within which a width of each of the inner raceways is greater than an effective length of the rollers idling thereon. At least one of the inner raceways, which extends circumferentially for 360 degrees, has a width throughout that is greater than an effective length of the rollers rolling thereon. For sections outside of the load zone, at least one of the inner raceways has a width less than the effective length of the rollers that roll thereon.Type: GrantFiled: October 16, 2019Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG &Co. KGInventors: Hannes Schreyer, Norbert Geyer, Thomas Hußenether, Jan Nagengast
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Patent number: 11965596Abstract: A parking lock actuation system for a motor vehicle includes an actuation element that can be moved between a locking position, in which a parking lock of the motor vehicle is active, and an unlocking position, in which the parking lock is inactive. The system also includes a locking element which is designed to fix the actuation element in the unlocking position in a form-fitting manner; and an electric actuator which has an adjusting effect on the locking element. A current circuit which has an autonomous power source is connected to the electric actuator, and a bistable switch and a monostable opener arranged in series to the bistable switch are used in the current circuit.Type: GrantFiled: June 8, 2021Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Peter Greb, Jens Mühlhausen
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Patent number: 11965595Abstract: A park lock gear assembly for a transmission unit of a vehicle includes a transmission shaft, a park lock gear arranged on the transmission shaft, a housing unit of a motor unit and a bearing assembly. The housing unit has a portion extending parallel to the transmission shaft and adjacent to the park lock gear, and the bearing assembly is disposed between the park lock gear and the portion of the housing unit. The bearing assembly may be arranged with a radial clearance between the park lock gear and the portion of the housing unit. The bearing assembly may be arranged on the portion of the housing unit with the radial clearance between the bearing assembly and the park lock gear.Type: GrantFiled: March 5, 2021Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG &Co. KGInventors: Jochen Loeffelmann, Peter Welker
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Patent number: 11965546Abstract: A bearing module that supports adjacent ends of coaxial shafts, includes an outer ring having first and second axially adjacent raceways and first and second flanges located at the respective ends. A first group of rolling elements rolls on the first raceway, and a second group of rolling elements rolls on the second raceway. A first cage retains the first group of rolling elements circumferentially spaced apart from one another, and a second cage retains the second group of rolling elements. An axial bearing is retained axially between the first and second groups of rolling elements, and has axial bearing rolling elements that are configured for rolling contact with (a) facing axial side raceways on first and second inner rings supported respectively on the first and second groups of rolling elements, (b) the adjacent ends of the two coaxial shafts, or (c) integral washers of the axial bearing.Type: GrantFiled: July 21, 2022Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Joseph T. Griffin, Florin Muscas, Arjun Kailassh Magalingam Adithyan, Alfred Thomas, James Brown
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Patent number: 11965550Abstract: A rolling bearing cage includes axially spaced side rings, cage webs connecting the side rings, cage pockets, and first and second cage ends. The cage webs have rolling element guides projecting radially inwards and the cage pockets are formed between the rolling element guides. The first cage end has a closing element formed by an axial groove at a radial web surface of a cage web that is reinforced relative to the other cage webs and delimits a penultimate cage pocket. The second cage end has a closing element formed by a partial cage web connecting the end portions at the second cage end to one another. The partial cage web is arranged to hook into the axial groove to form a cage lock that secures the second cage end to the first cage end against unintentional loosening in a peripheral direction and in both radial directions.Type: GrantFiled: September 9, 2021Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Stefan Wächtler, Robert Dressel, Alfred Hock
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Patent number: 11965553Abstract: A bearing cage for a bearing assembly is disclosed herein. The bearing cage includes a first ring, a second ring, and a plurality of crossbars extending between the first ring and the second ring to define a plurality of rolling element pockets. A first terminal end of each of the plurality of crossbars is connected to the first ring and a second terminal end of each of the plurality of crossbars is connected to the second ring. A medial portion of each of the plurality of crossbars is defined between the first terminal end and the second terminal end, and a pair of recesses are defined on opposing circumferential sides of the medial portion.Type: GrantFiled: June 21, 2022Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Dennis Roffe, Seth Claus, Guihui Zhong, Charles Schwab, Arjun Kailassh Magalingam Adithyan
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Patent number: 11965552Abstract: A bearing assembly is disclosed herein that is configured for use in a rubber boot arrangement. The bearing assembly includes an outer ring, an inner ring, a plurality of rolling elements supported between the outer ring and the inner ring, and a cage configured to retain the plurality of rolling elements. A seal assembly is provided that includes at least one sealing element and a seal insert that is configured to define a first axial stop face for the cage.Type: GrantFiled: May 20, 2022Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Kleberson Sierra, Elias Ferreira Machado
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Patent number: 11964690Abstract: A linear actuator for a steer-by-wire system including a component, in particular an axle or a shaft, that can be moved along a linear trajectory, and including a measuring device for determining a position of the component. The measuring device has a coil for inductively determining the position of the component, and the coil is arranged coaxially relative to the linear trajectory of the component.Type: GrantFiled: July 16, 2020Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG & Co. KGInventor: Thomas Drescher
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Patent number: 11965554Abstract: A wheel bearing unit includes an outer ring, a first inner ring with a first axial end face, first rolling elements arranged between the outer ring and the first inner ring, a second inner ring with a second axial end face, facing the first axial end face, second rolling elements arranged between the outer ring and the second inner ring, and a sealing device for sealing an interface of the first inner ring and the second inner ring. The sealing device includes an annular retaining element and a sealing element provided on the annular retaining element. The sealing element is a sealing ring that includes first and second contact points contacting the annular retaining element, a third contact point contacting the first inner ring, and a fourth contact point contacting the second inner ring. At least one of the contact points has a flat face.Type: GrantFiled: September 2, 2020Date of Patent: April 23, 2024Assignee: Schaeffler Technologies AG & Co. KGInventors: Lukas Schraut, Bernd Barthel, Branko Katana
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Publication number: 20240123490Abstract: A device and a method for producing at least one wire blank bent into the shape of a bracket having a first wire section, a second wire section which is parallel to the first wire section, and a bent transition section between the first wire section and the second wire section.Type: ApplicationFiled: January 25, 2022Publication date: April 18, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Fabrice Georg, Marcos Fontana Torres
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Publication number: 20240125382Abstract: A planet carrier assembly includes a rotational axis, a carrier and a carrier flange. The carrier has circumferentially spaced first driver elements formed thereon and the carrier flange has circumferentially spaced second driver elements formed thereon. The second driver elements are interconnected with the first driver elements at common contact areas in an interlocking manner. The carrier flange is axially secured to the carrier in an axial direction by plastically deformed material at the common contact areas. In an example embodiment, the plastically deformed material is displaced from the first driver elements or the second driver elements.Type: ApplicationFiled: January 21, 2022Publication date: April 18, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Manuel Seubert, Ralph Schimpf, Marián Cintula, Michal Žácek, Martin Capicík
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Publication number: 20240125383Abstract: The disclosure relates to a hydraulic arrangement for actuating hydraulic consumers and for cooling heat sources and/or lubricating component parts, in particular within a drivetrain of a motor vehicle, comprising a reversing pump, by means of which a hydraulic medium can be conveyed in opposite conveying directions, and the reversing pump has a first pump connection and a second pump connection, the hydraulic arrangement comprising an active valve device, the active valve device configured as a 6/2-way valve.Type: ApplicationFiled: December 3, 2021Publication date: April 18, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Peter Greb, Laszlo Man
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Publication number: 20240125355Abstract: A metallic bearing body for a sliding bearing includes a main body and a plurality of protrusions extending outward from the main body. Each of the plurality of protrusions extends in a longitudinal direction from the main body to an upper surface that is distal from the main body and has at least one through-bore that extends through the protrusion transversely relative to the longitudinal direction.Type: ApplicationFiled: October 22, 2021Publication date: April 18, 2024Applicant: Schaeffler Technologies AG & Co. KGInventor: Christoph Hentschke
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Publication number: 20240128826Abstract: A wiring ring for a stator of an electric machine, including a housing having a plurality of slot-like recesses and a plurality of in particular annular or annular segment-like busbars which are arranged in the slot-like recesses. The busbars are designed to establish an electrical contact between the winding wire ends of the stator windings and the contact connections of a power electronics unit for controlling the electric machine. At least one of the bus bars contact to the contact connections of the power electronics unit is implemented via a busbar connection region by means of a screw connection. According to the disclosure, the screw connection has a nut which can be arranged loosely in a receptacle space of a receptacle underneath a through-hole in the busbar connection region.Type: ApplicationFiled: February 3, 2022Publication date: April 18, 2024Applicant: Schaeffler Technologies AG & Co. KGInventors: Andreas Ruppert, Attila Hajba
