Patents by Inventor Stephan Maienschein

Stephan Maienschein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240117859
    Abstract: A torque transmitting device for a drivetrain for transmitting a drive torque to an output element. The device having: an electric motor with a conversion unit, which comprises a stator and a rotor that is rotatable relative to the stator, for converting electrical energy into mechanical energy; and a torsional vibration damper with a damper mass received on a damper mass support such that the damper mass can be deflected to a limited extent against the action of a restoring force, the damper mass being arranged so as to overlap radially with the conversion unit.
    Type: Application
    Filed: August 20, 2020
    Publication date: April 11, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Benjamin Vögtle, Stephan Maienschein, Peter Wahl, Daniel Echle, David Schnädelbach, Thorsten Krause
  • Publication number: 20240116354
    Abstract: A torque transmitting device for a drive train for transmitting an input torque provided by at least one drive element to an output element. The device including: an electric motor having a stator and a rotor which can be rotated relative to said stator for providing a further drive torque; a separating clutch arranged operatively between the first drive element and the electric motor; and at least one centrifugal pendulum which is arranged operatively between the separating clutch and the output element and has at least two pendulum masses which are accommodated so as to be deflectable to a limited extent along a pendulum path and so as to be peripherally adjacent to one another on at least one pendulum mass carrier that can be rotated about an axis of rotation, wherein the peripherally adjacent pendulum masses are coupled to one another via coupling means.
    Type: Application
    Filed: August 20, 2020
    Publication date: April 11, 2024
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Benjamin Vögtle, Thorsten Krause, Stephan Maienschein, Peter Wahl
  • Patent number: 11788614
    Abstract: The disclosure relates to a torque transmission device between a first drive element and an output element, having a torque transmission unit; an input, which is rotatable about a rotation axis and can be coupled to the first drive element, and an output, which can be connected to the output element. A separating clutch is arranged outside of the torque transmission unit and the fluid chamber, and is designed for selective torque transmission between the first drive element and the torque transmission unit. The separating clutch has a clutch input and a clutch output that is selectively connectable via a clutch actuating device.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: October 17, 2023
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Stephan Maienschein
  • Patent number: 11788584
    Abstract: A torque transmitting device for transmitting torque between a first drive element and an output element, having a torque transmitting unit with a housing delimiting a first fluid chamber filled with a liquid, and a separating clutch arranged outside of the torque transmitting unit and the first fluid chamber in a second fluid chamber separated from the first chamber and which selectively transmits torque between the first drive element and the torque transmitting unit. The separating clutch has a clutch output that is connectable to a clutch input via a friction device and a clutch actuator that comprises a pressing element and an actuation element to which fluid pressure can be applied to move the actuation element. The pressing element is arranged within the second fluid chamber, and the actuation element is at least partly arranged within the first fluid chamber so that pressure is applied thereto by fluid pressure.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: October 17, 2023
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Stephan Maienschein, René Daikeler, Christian Hügel
  • Publication number: 20220403926
    Abstract: The disclosure relates to a torque transmission device between a first drive element and an output element, having a torque transmission unit; an input, which is rotatable about a rotation axis and can be coupled to the first drive element, and an output, which can be connected to the output element. A separating clutch is arranged outside of the torque transmission unit and the fluid chamber, and is designed for selective torque transmission between the first drive element and the torque transmission unit. The separating clutch has a clutch input and a clutch output that is selectively connectable via a clutch actuating device.
    Type: Application
    Filed: July 8, 2020
    Publication date: December 22, 2022
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventor: Stephan Maienschein
  • Publication number: 20220388388
    Abstract: A hybrid drive train for a motor vehicle including: a drive unit having an internal combustion engine, an electric machine and a separating clutch operatively arranged between these components; a transmission; and a hydrodynamic torque converter arranged between the transmission and the drive unit. In order to advantageously further develop a hybrid drive train of this type, at least one torsional vibration absorber is arranged between the internal combustion engine and a converter housing of the torque converter.
    Type: Application
    Filed: June 30, 2020
    Publication date: December 8, 2022
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventor: Stephan MAIENSCHEIN
  • Publication number: 20220379709
    Abstract: A torque transmission unit includes a first input side, a second input side, an output side, a hydrodynamic converter and a lock-up clutch. The first input side is configured to receive a first torque, and the second input side is configured to receive a second torque. The torque transmission unit has a freewheel. The freewheel is arranged downstream of the hydrodynamic converter, and the second input side is arranged downstream of the freewheel in a torque flow of the first torque from the first input side to the output side. The freewheel is designed to, in a first freewheel operating state, connects, in a torque-locking manner, the hydrodynamic converter to the output side for the transmission of the first torque from the first input side to the output side when the lock-up clutch is open.
    Type: Application
    Filed: July 23, 2020
    Publication date: December 1, 2022
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Benjamin Vögtle, Stephan Maienschein
  • Patent number: 11499602
    Abstract: A torque transmitting device that can be rotatably mounted about an axis of rotation includes a series damper having a first damper unit, a second damper unit and a coupling unit. The first damper unit has a damper output side and the second damper unit has a damper input side. The coupling unit is arranged between the damper output side of the first damper unit and the damper input side of the second damper unit. The coupling unit has a first coupling part and a second coupling part, wherein the first coupling part and the second coupling part are arranged axially offset in relation to one another. The first coupling part connects the damper output side of the first damper unit to the second coupling part. The second coupling part connects the first coupling part to the damper input side of the second damper unit.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: November 15, 2022
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Toros Güllük, Thorsten Krause, Stephan Maienschein
  • Publication number: 20220341472
    Abstract: A torque transmitting device for transmitting torque between a first drive element and an output element, having a torque transmitting unit with a housing delimiting a first fluid chamber filled with a liquid, and a separating clutch arranged outside of the torque transmitting unit and the first fluid chamber in a second fluid chamber separated from the first chamber and which selectively transmits torque between the first drive element and the torque transmitting unit. The separating clutch has a clutch output that is connectable to a clutch input via a friction device and a clutch actuator that comprises a pressing element and an actuation element to which fluid pressure can be applied to move the actuation element. The pressing element is arranged within the second fluid chamber, and the actuation element is at least partly arranged within the first fluid chamber so that pressure is applied thereto by fluid pressure.
    Type: Application
    Filed: July 23, 2020
    Publication date: October 27, 2022
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Stephan MAIENSCHEIN, René DAIKELER, Christian HÜGEL
  • Patent number: 11407300
    Abstract: A hybrid module for a drivetrain of a motor vehicle includes a separating clutch for coupling an input-side drive shaft with an output-side intermediate shaft, and an actuating device for actuating the separating clutch, co-rotatable with the drive shaft or with the intermediate shaft. The actuating device includes a pressure chamber connectable to a pressure source arranged to provide a hydraulic actuating pressure through a hydraulic medium, and a compensation device for at least partially compensating a change in pressure in the pressure chamber from a first centrifugal force acting on the hydraulic medium. The drive shaft may be a crankshaft of an internal combustion engine arranged for mechanically driving the motor vehicle and the intermediate shaft may be a rotor shaft for an electric machine arranged for electrically driving the motor vehicle.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: August 9, 2022
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: René Daikeler, Stephan Maienschein, Christian Hügel, Florian Vogel
  • Publication number: 20210354547
    Abstract: A hybrid module for a drivetrain of a motor vehicle includes a separating clutch for coupling an input-side drive shaft with an output-side intermediate shaft, and an actuating device for actuating the separating clutch, co-rotatable with the drive shaft or with the intermediate shaft. The actuating device includes a pressure chamber connectable to a pressure source arranged to provide a hydraulic actuating pressure through a hydraulic medium, and a compensation device for at least partially compensating a change in pressure in the pressure chamber from a first centrifugal force acting on the hydraulic medium. The drive shaft may be a crankshaft of an internal combustion engine arranged for mechanically driving the motor vehicle and the intermediate shaft may be a rotor shaft for an electric machine arranged for electrically driving the motor vehicle.
    Type: Application
    Filed: August 27, 2019
    Publication date: November 18, 2021
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: René Daikeler, Stephan Maienschein, Christian Hügel, Florian Vogel
  • Publication number: 20210277976
    Abstract: A drive arrangement having an internal combustion engine, a transmission device with a power input and a power output, having an electric motor or converter which comprises a rotor, for the output of a drive torque to the power input of the transmission device is provided. An absorber arrangement is provided for rotation about a central axis for the reduction of the degree of irregularity of the rotational drive movement of the internal combustion engine, which rotational drive movement is introduced into the transmission device at the power input thereof. The absorber arrangement comprises a first carrier part, a second carrier part, a plurality of absorber masses which follow one another in the circumferential direction, and a coupling mechanism, for the movement of the absorber masses in a radial plane with respect to the central axis in accordance with a relative rotation of the carrier parts with respect to one another.
    Type: Application
    Filed: July 22, 2019
    Publication date: September 9, 2021
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Christian Dinger, Stephan Maienschein
  • Patent number: 10663050
    Abstract: A torque transmission device between an input side and an output side including a torque converter having a pump, a turbine, a lockup clutch for transmitting a torque between the input side and the output side, and a torsional vibration damper arranged in a casing. The lockup clutch has a clutch input coupled to the casing, a clutch output rotatable relative to the input, and an actuating element for actuating the lockup clutch. The torsional vibration damper has at least one first damper stage comprising a first damper input part and a first damper output part, which can be rotated to a limited extent relative to the first damper input part by the action of at least one first energy storage element, wherein an absorber mass is attached to one of the damper components.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: May 26, 2020
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Stephan Maienschein, Christian Gradolph
  • Patent number: 10648531
    Abstract: A hybrid module for a motor vehicle power train, including an input side for connecting to an internal combustion engine, an output side for connecting to a drive wheel, an electric drive motor comprising a stator and a rotor and a torque transfer device arranged between the roto and the output side. The transfer device is designed to reduce rotational irregularity.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: May 12, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Stephan Maienschein, Mario Degler
  • Publication number: 20200124132
    Abstract: A torque transmitting device that can be rotatably mounted about an axis of rotation includes a series damper having a first damper unit, a second damper unit and a coupling unit. The first damper unit has a damper output side and the second damper unit has a damper input side. The coupling unit is arranged between the damper output side of the first damper unit and the damper input side of the second damper unit. The coupling unit has a first coupling part and a second coupling part, wherein the first coupling part and the second coupling part are arranged axially offset in relation to one another. The first coupling part connects the damper output side of the first damper unit to the second coupling part. The second coupling part connects the first coupling part to the damper input side of the second damper unit.
    Type: Application
    Filed: May 15, 2018
    Publication date: April 23, 2020
    Applicant: Schaeffler Technologies AG & Co. KG
    Inventors: Toros Güllük, Thorsten Krause, Stephan Maienschein
  • Patent number: 10584763
    Abstract: A device for transmitting torque includes an input side and an output side which are disposed rotatably around an axis of rotation, as well as a centrifugal pendulum having at least one pendulum flange and a plurality of pendulum masses that are distributed around the axis of rotation and are movable radially. Furthermore, on the radial inner side of the pendulum masses an elastic stop element is provided to slow down the radially inward-moving pendulum masses, the stop element encircling the axis of rotation in a single piece.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: March 10, 2020
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Christian Dinger, Stephan Maienschein
  • Patent number: 10571006
    Abstract: A device for transmitting torque comprising a pump wheel and a turbine wheel arranged axially offset from each other on a rotation axis is disclosed. The pump wheel and the turbine wheel can be hydrodynamically coupled to each other by a fluid. The device may also include a first friction element attached to the pump wheel and configured to transmit torque and a second friction element attached to the turbine wheel and configured to transmit torque. The friction elements are configured to be pressed against each other axially to produce a frictional engagement. The first friction element or the second friction element may be attached to the pump wheel or the turbine wheel, respectively, in an axially movable manner.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: February 25, 2020
    Assignee: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventor: Stephan Maienschein
  • Patent number: 10443680
    Abstract: A centrifugal pendulum device which can be mounted in a rotatable manner about an axis of rotation, having a first pendulum mass unit, a first pendulum flange, and a second pendulum flange which is at least partially spaced apart from the first pendulum flange in an axial direction; the first pendulum mass unit is positioned axially between the first pendulum flange and the second pendulum flange, the first pendulum mass unit being coupled at least to the first and/or second pendulum flange so that it is movable to a limited extent; at least one third pendulum flange and a second pendulum mass unit are provided, the second pendulum mass unit being coupled at least to the third pendulum flange so that it is movable to a limited extent.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: October 15, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Thorsten Krause, Christian Huegel, Stephan Maienschein
  • Patent number: 10443682
    Abstract: A centrifugal pendulum includes a pendulum carrier arranged rotatably about an axis of rotation and a plurality of pendulums distributed over a circumference of the pendulum carrier. The plurality of pendulums are received on the pendulum carrier so as to be able to move along pendulum paths with a predefined pendulum mass. A spring element acting in a circumferential direction, and with a predefined spring rate, is provided between two adjacent pendulums in the circumferential direction. The pendulums and the spring elements are adjusted to a predefined excitation order taking into account the gravity acting on the pendulums.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: October 15, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventor: Stephan Maienschein
  • Patent number: 10415667
    Abstract: A damper system which is supportable rotatably around an axis of rotation, having a first absorber device and a second absorber device. The first absorber device includes at least one first pendulum mass, a first coupling device and a first flange part. The first pendulum mass is coupled with the first flange part by means of the first coupling device. The first coupling device is designed to guide the first pendulum mass along a first oscillation path. The second absorber device is offset radially from the first absorber device. The second absorber device includes an absorber element. The absorber element is coupled with the first flange part.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: September 17, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Stephan Maienschein, Christian Huegel