Patents Assigned to Schaeffler Technologies AG & Co. KG
  • Publication number: 20240100964
    Abstract: An inverter device includes a connection device and a housing in which an inverter circuit, a switching device and a control device are accommodated. The inverter circuit is connected to a direct current (DC) circuit and to an electric machine via the connection device, and the switching device is connected to the DC circuit and to resistor via the connection device. The inverter circuit is actuated by the control device to operate the electric machine, and the switching device is actuated by the control device to selectively energize one of the resistor or the DC circuit via the inverter circuit.
    Type: Application
    Filed: January 31, 2022
    Publication date: March 28, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Julian Körner, Eduard Enderle, Huan Fu, Jürgen Tipper, Michael Reuschel, Thorsten Rittgerott
  • Publication number: 20240100928
    Abstract: A hydraulic arrangement for an electrically operable, multigear axle drive train of a motor vehicle comprising a hydraulic circuit in which a hydraulic fluid is guided, a hydraulic pump arranged to apply pressure to the hydraulic fluid within the hydraulic circuit, a first hydraulic path arranged to connect a first clutch device to the hydraulic circuit, and a second hydraulic path arranged to connect a second clutch device to the hydraulic circuit. The first and second clutch devices are each arranged to actuate a gear selection device of the electrically operable axle drive train.
    Type: Application
    Filed: October 8, 2021
    Publication date: March 28, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Marco Grethel, Carsten Mayer
  • Patent number: 11940018
    Abstract: A torsional vibration damper includes an input part for introducing a torque, two intermediate elements, an energy storage element designed as a compression spring that acts on the intermediate elements, an output part for discharging a vibration-damped torque, and an elastic or resilient compensation part provided between the output part and the intermediate elements. The intermediate elements are designed as pendulum rockers and are movement-coupled to the input part. Each of the intermediate elements can move towards and away from the other in a linear motion. The output part is movement-coupled to the intermediate elements and rotatable relative to the intermediate elements. The compensation part is for eliminating play of the intermediate elements relative to the output part in an axial direction.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: March 26, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Martin Häßler, Alain Rusch, Philippe Kremper, Yannick Strub, Laurent Theriot
  • Patent number: 11942848
    Abstract: A busbar assembly is disclosed that includes a carrier, and a plurality of conductors arranged within the carrier such that at least a portion of each of the plurality of conductors are exposed in a radial direction and define electrical contact sites. The carrier can be formed by molding the carrier about the plurality of conductors.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: March 26, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Zachary Gnabah, Michael Conner, Jeremy Vanni
  • Patent number: 11940028
    Abstract: A method for forming a friction material. The method includes mixing a fibrous base material and filler particles to form a substrate. The method further includes saturating the substrate with a silane solution including a silane to form a uniformly impregnated silane matrix. The method also includes curing the uniformly impregnated silane matrix to form a cured uniformly impregnated silane matrix. The method also includes saturating the cured uniformly impregnated silane matrix with a phenolic resin solution to form a uniformly impregnated silane, phenolic resin matrix. The method also includes curing the uniformly impregnated silane, phenolic resin matrix to form the friction material.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: March 26, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Murat Bakan, Rashid Farahati, Jung-Feng Hu
  • Patent number: 11940021
    Abstract: A roller freewheel includes a roll body cage, a plurality of roll bodies accommodated in the roll body cage, and a ramp ring having a ramp contour. The ramp contour blocks the roll bodies in a first direction of rotation and allows rotation of the roll bodies relative to the ramp ring in a second direction of rotation, opposite the first direction of rotation. The ramp contour is designed to accommodate a plurality of roll body rows. The roll body cage includes a plurality of separate partial cages, with each partial cage including at least one roll body row.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: March 26, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Alexander Reimchen, Frank Schoenstein
  • Patent number: 11939998
    Abstract: An arrangement secures at least one circlip against centrifugal force. The circlip is axially fastened on a rotor shaft of an electrical machine for positional securing. At least one securing element is provided for securing against the centrifugal forces acting on the circlip when the rotor shaft rotates. The at least one securing element is placed onto the rotor shaft by means of a first portion for fastening and, by means of a second portion, is slid at least partially over the circlip and radially secures the circlip.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: March 26, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Bernhard Linz, Marcel Laake
  • Patent number: 11940016
    Abstract: A clutch release bearing assembly is disclosed herein that includes a more durable and improved interface for engaging an actuator. The assembly includes a housing having at least one flange, and the housing is formed from a first material. At least one insert is supported on the at least one flange, and the at least one insert is configured to engage an actuator. The at least one insert is formed from a second material that is different than the first material.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: March 26, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Milton Amaro, Alessandro Aparecido Ferreira
  • Publication number: 20240092378
    Abstract: An operating system for controlling a vehicle, the operating system having an operating element for a manual operation by a vehicle operator; a display module in order to present the vehicle surroundings with a vehicle projection integrated therein. The operation of the operating element produces a change in the vehicle projection within the vehicle surroundings and a computer system causes the vehicle to move in the vehicle surroundings analogously to the change in the vehicle projection within the vehicle surroundings. A method for controlling the vehicle using the operating system is also provided. The vehicle is an autonomously drivable vehicle, preferably an all-wheel-steered omnidirectionally drivable vehicle, thereby allowing a reliable, secure, and simultaneously intuitive control of the vehicle.
    Type: Application
    Filed: September 16, 2020
    Publication date: March 21, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Roman JOERGER, Paul HAIDUK, Niclas BIENEFELD, Karsten GEUDER
  • Publication number: 20240093731
    Abstract: 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: Application
    Filed: September 2, 2020
    Publication date: March 21, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Lukas Schraut, Bernd Barthel, Branko Katana
  • Publication number: 20240097165
    Abstract: A method for operating a fuel cell. The fuel cell is supplied with gaseous fuel via an anode-side gas feed line and with air via a cathode-side gas feed line. The anode-side gas feed line and the cathode-side gas feed line are coupled via a pressure-transmitting element, wherein in the event of an increased power requirement of the fuel cell, the gas pressure of the anode-side gas feed line is at least partly transmitted to the cathode-side gas feed line via the pressure-transmitting element and causes the gas pressure of the cathode-side gas feed line to increase. A fuel cell system having at least one fuel cell, an anode-side gas feed line, a cathode-side gas feed line, and a monitoring unit.
    Type: Application
    Filed: January 13, 2022
    Publication date: March 21, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Nico Alexander Mattes, Jan Haussmann
  • Publication number: 20240093779
    Abstract: A method for controlling a hydraulic unit with a rotational-speed-controlled pump which, at an outlet side, provides at least two fluid flows in a manner switched by means of switching valves actuating at least one slave cylinder and for providing a volume flow which is controlled based on a rotational speed of the pump. To set the volume flow, an efficiency of the pump is calculated base on a comparison of a known slave cylinder volume of the at least one slave cylinder and a quantity of fluid of the pump for the filling of the at least one slave cylinder.
    Type: Application
    Filed: September 16, 2020
    Publication date: March 21, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Ralf Mannsperger, Timo Enders
  • Publication number: 20240093775
    Abstract: A transmission device includes an axis of rotation defining an axial direction, a supporting component, and an oil collector. The supporting component includes connecting holes and oil inlets. The oil collector includes a support plate, a channel connected to the support plate, oil guiding nozzles plugged axially into the oil inlets, fastening elements for holding the oil collector on the supporting component, and platforms disposed on a side of the fastening elements facing away from the supporting component. The channel runs around the axis of rotation and includes an outer contour. The fastening elements are at least partially fixedly engaged with the connecting holes. The platforms project radially from the oil collector radially beyond the outer contour. Each platform includes a planar surface and a projection. The projection projects out of the planar surface and axially beyond the platform.
    Type: Application
    Filed: November 15, 2021
    Publication date: March 21, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Ralph Schimpf, Michael Keck, Jan Heymel
  • Patent number: 11933258
    Abstract: A generator module for a vehicle includes a housing with a first conical surface, a rotor assembly with a second conical surface, aligned with the first conical surface, and a spring arranged to push the second conical surface into contact with the first conical surface. In an example embodiment, the first conical surface or the second conical surface includes a plastic surface or a friction paper surface. In an example embodiment, the rotor assembly is axially displaceable within the housing to compress the spring and move the second conical surface away from the first conical surface.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: March 19, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: John Ramsey, Matthew Payne, Michael Condo, Aaron Mueller
  • Patent number: 11936263
    Abstract: A stator assembly and stator for a motor is provided that directly installs in a conductor slot a slot wedge having a width approximately the same as the width of the conductor slot. The slot wedge is limited in three directions, circumferential, radial, and axial, by means of cooperation between a slot wedge pressing ring, a conductor, and a sidewall of the conductor slot, and at the same time, the slot wedge is capable of preventing the conductor from falling out of the conductor slot. In addition, in the stator assembly for a motor disclosed, when the slot wedge is installed, the slot wedge may not only be inserted and installed in the conductor slot along the axial direction, but may also be inserted and installed in the conductor slot along the radial direction, and thus, the installation mode is flexible, which may improve the installation efficiency.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: March 19, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Yu Gong, Lei Liu
  • Patent number: 11933199
    Abstract: A switchable finger follower for a valve train of an internal combustion engine includes an outer and an inner lever, which at a first longitudinal end run pivotably relative to one another via respective bores on a common shaft. At this longitudinal end, the finger follower has a gas-exchange valve contact face on an underside. The outer lever has a pivot bearing on the underside at a further longitudinal end, and at least the inner lever has a cam running face on an upper side. The inner and outer levers are connectable to one another via at least one coupling slide, which spans a separation area between the levers. The outer and inner levers are braced relative to one another via a cam return spring, and the shaft is connected to the bore of the outer lever by an interference fit.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: March 19, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Andreas Biermann, Rainer Schwinn, Adrian Bilan, Brian Koop, Jinhwan Jeon, Frank Himsel
  • Patent number: 11933357
    Abstract: A bearing, including: an inner ring defining a first groove; an outer ring including a radially inner surface, the radially inner surface facing an axis of rotation of the bearing and defining a second groove and a third groove; a cage radially disposed between the inner ring and the outer ring; a plurality of balls retained by the cage, and disposed in the first groove, and in the second groove; and a preloaded resilient washer assembly including a rigid washer and a resilient washer including a radially outermost surface disposed in the third groove. The resilient washer urges the rigid washer away from the outer ring in an axial direction parallel to an axis of rotation of the bearing.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: March 19, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Dennis Roffe, Michael Heaton, Guihui Zhong, James Brown, Daniel Wuerdinger
  • Patent number: 11927256
    Abstract: A torque converter includes a drive plate arranged to receive a torque. The torque converter further includes a front cover non-rotatably connected to the drive plate. The torque converter further includes a lock-up clutch including a piston and a clutch plate disposed between the piston and the front cover. The piston is axially slidable to engage the clutch plate. The torque converter further includes first and second seals each configured to seal the piston to the front cover. The first seal is arranged at an inner diameter of the piston, and the second seal is arranged radially outside of the first seal.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: March 12, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Victor Norwich
  • Patent number: 11927255
    Abstract: A blade assembly for a torque converter includes a shell defining an inner surface and a plurality of blades arranged around the inner surface of the shell. The plurality of blades each include a curved portion contacting the inner surface. The plurality of blades each further include a curved region axially spaced from the respective curved portion. The plurality of blades each further include an end extending from the respective curved portion to the respective curved region. Each end includes a notch arranged radially closer to the respective curved region than to the respective curved portion.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: March 12, 2024
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Baylor Hartzler
  • Publication number: 20240075979
    Abstract: An electric vehicle module assembly including a steering actuator sub-assembly connected to a beam axle sub-assembly. The steering actuator sub-assembly provides multiple functions, including the inherent function of the steering actuator to improve the turning radius of the electric vehicle, as well as positioning the center of gravity of the electric vehicle module assembly in a more desirable position such that NVH issues are reduced for the electric vehicle.
    Type: Application
    Filed: August 18, 2023
    Publication date: March 7, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Christopher Shamie, Allen McAfoos, Shaun Tate