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).
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Patent number: 12145436Abstract: 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: GrantFiled: October 24, 2022Date of Patent: November 19, 2024Assignee: ZF Friedrichshafen AGInventors: Thomas Waim, Stefan Renner
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Publication number: 20240376963Abstract: 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: ApplicationFiled: May 9, 2024Publication date: November 14, 2024Applicant: ZF Friedrichshafen AGInventors: Thomas Bergmann, Thomas Waim, Stefan Renner, Martin Weiss
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Publication number: 20240359547Abstract: 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: ApplicationFiled: August 2, 2022Publication date: October 31, 2024Applicant: ZF Friedrichshafen AGInventors: Rayk Gersten, Stefan Renner, Karlheinz Hoher
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Patent number: 12123483Abstract: 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: GrantFiled: August 31, 2023Date of Patent: October 22, 2024Assignee: ZF Friedrichshafen AGInventors: Johannes Kaltenbach, Thomas Martin, Kai Bornträger, Johannes Glückler, Stefan Renner
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Publication number: 20240348127Abstract: 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: ApplicationFiled: August 10, 2022Publication date: October 17, 2024Applicant: ZF Friedrichshafen AGInventors: Rayk Gersten, Stefan Renner, David Wörzler, Stefan Spühler, Martin Christians, Martin Jelinewski, Wolfgang Hübler
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Publication number: 20240348592Abstract: 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: ApplicationFiled: April 12, 2024Publication date: October 17, 2024Inventors: Madeleine Lucy Fraser Brown, Aleksandar Milicevic, Andres Philipp Noetzli, John Michael Renner, Deian Stefan, Riad Samir Wahby
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Publication number: 20240336125Abstract: 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: ApplicationFiled: April 4, 2024Publication date: October 10, 2024Applicant: ZF Friedrichshafen AGInventors: Johannes Kaltenbach, Thomas Martin, Fabian Kutter, Kai Bornträger, Johannes Glückler, Stefan Renner
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Publication number: 20240336124Abstract: 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: ApplicationFiled: April 4, 2024Publication date: October 10, 2024Applicant: ZF Friedrichshafen AGInventors: Johannes Kaltenbach, Fabian Kutter, Thomas Martin, Johannes Glückler, Kai Bornträger, Stefan Renner
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Publication number: 20240287296Abstract: 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: ApplicationFiled: April 22, 2024Publication date: August 29, 2024Inventors: Thomas Lummerstorfer, Michael Jerabek, Stefan Hochradi, Claudia AT, Karoly Renner, Lukas Sobczak, Wolfgang Stockreiter, Bela Pukanszky, Janos Moczo
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Patent number: 11999237Abstract: 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: GrantFiled: August 31, 2023Date of Patent: June 4, 2024Assignee: ZF Friedrichshafen AGInventors: Johannes Kaltenbach, Thomas Martin, Mladjan Radic, Kai Bornträger, Johannes Glückler, Stefan Renner
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Publication number: 20240068544Abstract: 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: ApplicationFiled: August 31, 2023Publication date: February 29, 2024Applicant: ZF Friedrichshafen AGInventors: Johannes Kaltenbach, Thomas Martin, Kai Bornträger, Johannes Glückler, Stefan Renner
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Publication number: 20240066971Abstract: 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: ApplicationFiled: August 31, 2023Publication date: February 29, 2024Applicant: ZF Friedrichshafen AGInventors: Johannes Kaltenbach, Thomas Martin, Mladjan Radic, Kai Bornträger, Johannes Glückler, Stefan Renner
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Patent number: 11885380Abstract: 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: GrantFiled: December 16, 2021Date of Patent: January 30, 2024Assignee: ZF Friedrichshafen AGInventors: Stefan Renner, Martin Weiss
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Patent number: 11846343Abstract: 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: GrantFiled: September 24, 2020Date of Patent: December 19, 2023Assignee: ZF Friedrichshafen AGInventors: Johannes Glückler, Stefan Spühler, Stefan Renner, Michael Trübenbach, Kai Bornträger, Johannes Kaltenbach
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Patent number: 11815166Abstract: 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: GrantFiled: January 16, 2023Date of Patent: November 14, 2023Assignee: ZF Friedrichshafen AGInventors: Johannes Glückler, Stefan Renner, David Rittler, Stefan Spühler
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Patent number: 11794575Abstract: 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: GrantFiled: January 16, 2023Date of Patent: October 24, 2023Assignee: ZF Friedrichshafen AGInventors: Johannes Glückler, Stefan Renner, David Rittler, Stefan Spühler
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Patent number: 11797419Abstract: 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: GrantFiled: March 23, 2022Date of Patent: October 24, 2023Assignee: International Business Machines CorporationInventors: Felix Beier, Eberhard Schoeck, Christian Wilhelm Paul Hoerst, Stefan Renner, Johannes Severin Kern
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Publication number: 20230305943Abstract: 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: ApplicationFiled: March 23, 2022Publication date: September 28, 2023Inventors: Felix Beier, Eberhard Schoeck, Christian Wilhelm Paul Hoerst, Stefan Renner, Johannes Severin Kern
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Patent number: 11760179Abstract: 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: GrantFiled: April 8, 2020Date of Patent: September 19, 2023Assignee: ZF Friedrichshafen AGInventors: Johannes Glückler, Kai Bornträger, Stefan Spühler, Johannes Kaltenbach, Stefan Renner, Michael Trübenbach
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Patent number: 11719317Abstract: 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: GrantFiled: October 17, 2022Date of Patent: August 8, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: David Rittler, Stefan Renner, Stefan Spühler, Johannes Glückler, Michael Trübenbach, Paul Lenz