Patents by Inventor Stefan Renner

Stefan Renner 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).

  • Patent number: 12145436
    Abstract: A stub shaft assembly for an outer planetary axle (1) of a motor vehicle includes an inner shaft (9) and an outer shaft (10) comprising a helically toothed sun gear (4). A pair of toothings (11) with a first helical toothing and a second helical toothing is effective between the inner shaft (9) and the outer shaft (10). Also disclosed is an outer planetary axle (1) for a motor vehicle comprising at least one such stub shaft assembly.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: November 19, 2024
    Assignee: ZF Friedrichshafen AG
    Inventors: Thomas Waim, Stefan Renner
  • Publication number: 20240376963
    Abstract: A planetary gearset (9) has a planetary carrier (11) and a plurality of planetary gearwheel axles arranged axially offset relative to one another and on which planetary gearwheels (13) are mounted to rotate. A first carrier section (14) is arranged at a first axial end of the planetary gearwheel axles and a second carrier section (15) is arranged at a second axial end of the planetary gearwheel axles. The first carrier section (14) is in the form of a casting with the planetary gearwheel axles formed as axially projecting journals (17) made integrally with the first carrier section (14). The second carrier section (15) is attached as a separate component onto the journals (17), and the first carrier section (14) and the second carrier section (15) hold the journals (17) axially at both ends at fixed, unvarying axial distances apart from one another.
    Type: Application
    Filed: May 9, 2024
    Publication date: November 14, 2024
    Applicant: ZF Friedrichshafen AG
    Inventors: Thomas Bergmann, Thomas Waim, Stefan Renner, Martin Weiss
  • Publication number: 20240359547
    Abstract: A drive unit has a first electric machine with a first rotor mounted to rotate about a rotation axis. A first stator is coaxially arranged and has a stator core lamination packet with a first coil end forming a first switching side and a second coil end forming a first counter-switching side. A second electric machine is mounted axially close to the first electric machine and has a rotatably mounted second rotor that extends in the axial direction around the rotation axis. A second stator is mounted coaxially with the second rotor and has a second stator core lamination packet with second stator coils having a third coil end forming a second counter-switching side and a fourth coil end forming a second switching side. A housing accommodates the first and second machines, where the first counter-switching side and the second counter-switching side face one another in the axial direction.
    Type: Application
    Filed: August 2, 2022
    Publication date: October 31, 2024
    Applicant: ZF Friedrichshafen AG
    Inventors: Rayk Gersten, Stefan Renner, Karlheinz Hoher
  • Patent number: 12123483
    Abstract: A motor vehicle transmission (1) has a drive input shaft (15), a drive output shaft (16) and a first planetary gearset (P1), and a second planetary gearset (P2), where the drive input shaft (15) is provided for coupling to a drive machine. In addition, a first shifting element (A) and a second shifting element (B) are provided, at least functionally. Also disclosed are a drive unit (5), a motor vehicle drivetrain, a hybrid or electric vehicle, and a method for operating a motor vehicle transmission.
    Type: Grant
    Filed: August 31, 2023
    Date of Patent: October 22, 2024
    Assignee: ZF Friedrichshafen AG
    Inventors: Johannes Kaltenbach, Thomas Martin, Kai Bornträger, Johannes Glückler, Stefan Renner
  • Publication number: 20240348127
    Abstract: A vehicle cooling arrangement includes a first electric machine with a drive output shaft and a first rotor mounted to rotate about a rotation axis and extending axially around the rotation axis. A first stator surrounds the first rotor peripherally. A second electric machine is mounted axially close to the first electric machine and has a second rotor mounted to rotate about the rotation axis and the drive output shaft. A second stator surrounds the second rotor peripherally. A common housing forms a casing for the first and second electric machines and the drive output shaft extends axially through the housing. The first and second electric machines form a coolant circuit having at least one coolant line arranged to cool the first and second rotors and a second coolant line parallel to the first coolant line and arranged to separately cool the first and second stators.
    Type: Application
    Filed: August 10, 2022
    Publication date: October 17, 2024
    Applicant: ZF Friedrichshafen AG
    Inventors: Rayk Gersten, Stefan Renner, David Wörzler, Stefan Spühler, Martin Christians, Martin Jelinewski, Wolfgang Hübler
  • Publication number: 20240348592
    Abstract: In an aspect, an apparatus for managing credentials is presented. The apparatus includes a processor and a memory communicatively connected to the processor. The memory contains instructions configuring the processor to receive a user request. The processor is configured to authenticate the user request through an authentication module. The processor is configured to combine the authentication data with the user request to generate an authentication request. The processor is configured to communicate the authentication request to an authorization module. The processor is configured to authorize the user request at the authorization module based on the authentication data. The processor is configured to sign the user request to generate a user signature, wherein the user signature provides a user with access to an immutable sequential listing.
    Type: Application
    Filed: April 12, 2024
    Publication date: October 17, 2024
    Inventors: Madeleine Lucy Fraser Brown, Aleksandar Milicevic, Andres Philipp Noetzli, John Michael Renner, Deian Stefan, Riad Samir Wahby
  • Publication number: 20240336125
    Abstract: A motor vehicle transmission (3) includes a drive shaft (6), an output shaft (7), and a first planetary gear set (P1), a second planetary gear set (P2), and a third planetary gear set (P3). The drive shaft (6) is provided for coupling to at least one drive engine. The first planetary gear set (P1) is positioned axially at least overlapping with the second planetary gear set (P2) and is arranged radially on the inside of the second planetary gear set (P2). Furthermore, a shift element (A) is provided at least functionally. The invention also relates to a drive unit (1), an electrically drivable motor vehicle drive axle, a hybrid or electric vehicle and a method for operating a motor vehicle transmission.
    Type: Application
    Filed: April 4, 2024
    Publication date: October 10, 2024
    Applicant: ZF Friedrichshafen AG
    Inventors: Johannes Kaltenbach, Thomas Martin, Fabian Kutter, Kai Bornträger, Johannes Glückler, Stefan Renner
  • Publication number: 20240336124
    Abstract: A motor vehicle transmission (3) includes a drive shaft (6), an output shaft (7), and a first planetary gear set (P1), a second planetary gear set (P2) and a third planetary gear set (P3). The drive shaft (6) is provided for coupling to at least one drive engine. Furthermore, exactly one first shifting element (B) and one second shifting element (A) are provided, at least functionally, for the representation of different force flow paths between the drive shaft (6) and the output shaft (7) via the planetary gear sets (P1, P2, P3). The invention also relates to a drive unit (1), an electrically driven motor vehicle drive axle, a hybrid or electric vehicle and a method for operating a motor vehicle transmission.
    Type: Application
    Filed: April 4, 2024
    Publication date: October 10, 2024
    Applicant: ZF Friedrichshafen AG
    Inventors: Johannes Kaltenbach, Fabian Kutter, Thomas Martin, Johannes Glückler, Kai Bornträger, Stefan Renner
  • Publication number: 20240287296
    Abstract: The present invention relates to a new composite comprising glass or carbon fibers and polymer-based fibers as well as to a process for the preparation of the composite and molded articles made from said composite.
    Type: Application
    Filed: April 22, 2024
    Publication date: August 29, 2024
    Inventors: Thomas Lummerstorfer, Michael Jerabek, Stefan Hochradi, Claudia AT, Karoly Renner, Lukas Sobczak, Wolfgang Stockreiter, Bela Pukanszky, Janos Moczo
  • Patent number: 11999237
    Abstract: A motor vehicle transmission (1) has a drive input shaft (15), a drive output shaft (16), a first planetary gearset (P1), and a second planetary gearset (P2). The drive input shaft (15) is provided for coupling to a drive machine. In addition, a first shifting element (A) and a second shifting element (B) are provided, at least functionally. Also disclosed is a drive unit (5), a motor vehicle drivetrain, a hybrid or electric vehicle, and a method for operating a motor vehicle transmission.
    Type: Grant
    Filed: August 31, 2023
    Date of Patent: June 4, 2024
    Assignee: ZF Friedrichshafen AG
    Inventors: Johannes Kaltenbach, Thomas Martin, Mladjan Radic, Kai Bornträger, Johannes Glückler, Stefan Renner
  • Publication number: 20240068544
    Abstract: A motor vehicle transmission (1) has a drive input shaft (15), a drive output shaft (16) and a first planetary gearset (P1), and a second planetary gearset (P2), where the drive input shaft (15) is provided for coupling to a drive machine. In addition, a first shifting element (A) and a second shifting element (B) are provided, at least functionally. Also disclosed are a drive unit (5), a motor vehicle drivetrain, a hybrid or electric vehicle, and a method for operating a motor vehicle transmission.
    Type: Application
    Filed: August 31, 2023
    Publication date: February 29, 2024
    Applicant: ZF Friedrichshafen AG
    Inventors: Johannes Kaltenbach, Thomas Martin, Kai Bornträger, Johannes Glückler, Stefan Renner
  • Publication number: 20240066971
    Abstract: A motor vehicle transmission (1) has a drive input shaft (15), a drive output shaft (16), a first planetary gearset (P1), and a second planetary gearset (P2). The drive input shaft (15) is provided for coupling to a drive machine. In addition, a first shifting element (A) and a second shifting element (B) are provided, at least functionally. Also disclosed is a drive unit (5), a motor vehicle drivetrain, a hybrid or electric vehicle, and a method for operating a motor vehicle transmission.
    Type: Application
    Filed: August 31, 2023
    Publication date: February 29, 2024
    Applicant: ZF Friedrichshafen AG
    Inventors: Johannes Kaltenbach, Thomas Martin, Mladjan Radic, Kai Bornträger, Johannes Glückler, Stefan Renner
  • Patent number: 11885380
    Abstract: Claw-type shifting mechanism (5) with a first sliding sleeve (17) and a fixed coupling element (19). In order to produce a passage, the first sliding sleeve (17) and the coupling element (19) each respectively have at least one recess (31, 35) and at least one web section (32, 36), in which the first sliding sleeve (17) and the coupling element (19) can be arranged together radially on the outside on a first shaft. The first sliding sleeve (17) can be displaced along the first shaft and the coupling element (19) can be connected firmly to the first shaft. The drive arrangement (1) comprises at least one drive machine, a transmission with a first shaft, a second shaft and a third shaft, a housing, and a claw-type shifting mechanism (5) of this type.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: January 30, 2024
    Assignee: ZF Friedrichshafen AG
    Inventors: Stefan Renner, Martin Weiss
  • Patent number: 11846343
    Abstract: A drive axle of an electric vehicle has first and a second drive wheels (R1, R2) with wheel axles (a1, a2), a first electric machine (EM1) and a second electric machine (EM2) with a common rotation axis (m), a transmission (G3) with a transmission input shaft (EW) and a transmission output shaft (AW), and an axle differential (DI) with a differential input (DIK) and two differential output shafts (3a, 3b). The first electric machine (EM1) is connected to the transmission input shaft (EW) and the transmission output shaft (AW) is connected to the differential input (DIK). The second electric machine (EM2) can be connected as an additional drive when necessary.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: December 19, 2023
    Assignee: ZF Friedrichshafen AG
    Inventors: Johannes Glückler, Stefan Spühler, Stefan Renner, Michael Trübenbach, Kai Bornträger, Johannes Kaltenbach
  • Patent number: 11815166
    Abstract: The invention relates to a motor vehicle transmission (6) comprising a drive input shaft (9), a drive output shaft (10), a first planetary gearset (P1), a second planetary gearset (P2), and a third planetary gearset (P3), where the drive input shaft (9) is provided for coupling to an electric machine (5). Furthermore, at least functionally a first shifting element (A), a second shifting element (B), and a third shifting element (C) are provided. In addition, the invention relates to a drive unit (4), a drive axle (3), and an electric vehicle.
    Type: Grant
    Filed: January 16, 2023
    Date of Patent: November 14, 2023
    Assignee: ZF Friedrichshafen AG
    Inventors: Johannes Glückler, Stefan Renner, David Rittler, Stefan Spühler
  • Patent number: 11794575
    Abstract: The invention relates to a motor vehicle transmission (6) having a drive input shaft (9), a drive output shaft (10), a first planetary gearset (P1), a second planetary gearset (P2), and a third planetary gearset (P3), where the drive input shaft (9) is provided for coupling to an electric machine (5). Furthermore, at least functionally a first shifting element (A), a second shifting element (B), and a third shifting element (C) are provided. In addition, the invention relates to a drive unit (4), a drive axle (3) and an electric vehicle.
    Type: Grant
    Filed: January 16, 2023
    Date of Patent: October 24, 2023
    Assignee: ZF Friedrichshafen AG
    Inventors: Johannes Glückler, Stefan Renner, David Rittler, Stefan Spühler
  • Patent number: 11797419
    Abstract: A technique for logging tasks in a computer system. Tasks are logged into the computer system by executing at least one task at the computer system. A set of log metadata and a set of log levels of log records of the at least one task may be determined from an execution log output of the at least one task. Execution outputs of a further task may be determined according to the determined set of log metadata and associated set of log levels.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: October 24, 2023
    Assignee: International Business Machines Corporation
    Inventors: Felix Beier, Eberhard Schoeck, Christian Wilhelm Paul Hoerst, Stefan Renner, Johannes Severin Kern
  • Publication number: 20230305943
    Abstract: A technique for logging tasks in a computer system. Tasks are logged into the computer system by executing at least one task at the computer system. A set of log metadata and a set of log levels of log records of the at least one task may be determined from an execution log output of the at least one task. Execution outputs of a further task may be determined according to the determined set of log metadata and associated set of log levels.
    Type: Application
    Filed: March 23, 2022
    Publication date: September 28, 2023
    Inventors: Felix Beier, Eberhard Schoeck, Christian Wilhelm Paul Hoerst, Stefan Renner, Johannes Severin Kern
  • Patent number: 11760179
    Abstract: A drive axle for an electric vehicle which comprises first and second electric machines (EM1, EM2), first and second drive wheels (R1, R2) and first and second two-speed transmissions (G1, G2) each having the same gear ratios. The first electric machine (EM1) drives the first drive wheel (R1) by way of the first two-speed transmission (G1) and the second electric machine (EM2) drives the second drive wheel (R2) by way of the second two-speed transmission (G2). The first and the second two-speed transmissions (G1, G2) each comprise a first planetary gearset (PS1) and a second planetary gearset (PS2) coupled to one another. The first planetary gearset (PS1) and the second planetary gearset (PS2) each comprise a web shaft (ST1, ST2), a ring-gear shaft (HR1, HR2) and a sun-gear shaft (SO1, SO2).
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: September 19, 2023
    Assignee: ZF Friedrichshafen AG
    Inventors: Johannes Glückler, Kai Bornträger, Stefan Spühler, Johannes Kaltenbach, Stefan Renner, Michael Trübenbach
  • Patent number: 11719317
    Abstract: An electric vehicle transmission (7) has a drive input shaft (10), a drive output shaft (11), a first planetary gearset (P1), a second planetary gearset (P2), and a third planetary gearset (P3). The drive input shaft (10) is designed to be coupled to an electric machine (6). In addition, at least functionally a first shifting element (A), a second shifting element (B), a third shifting element (C), and a fourth shifting element (D) are provided. Also disclosed is a drive system (4), a vehicle drive-train (5), and an electric vehicle incorporating an electric vehicle transmission of this type.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: August 8, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: David Rittler, Stefan Renner, Stefan Spühler, Johannes Glückler, Michael Trübenbach, Paul Lenz