Patents Assigned to ZF Friedrichshafen AG
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Publication number: 20240012131Abstract: The invention relates to an arrangement with a data processing device and a second vehicle (103), which comprises at least one radar sensor (107). The data processing device is designed to recognize at least one radar reflector (105) which is attached to a first vehicle (101), in a signal of the at least one radar sensor (107). The data processing device is designed to locate the at least one radar reflector (105) by means of the signal.Type: ApplicationFiled: September 8, 2021Publication date: January 11, 2024Applicant: ZF Friedrichshafen AGInventors: Steffen Biel, Stefan Traub
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Patent number: 11867298Abstract: Saturation of a secondary system pressure circuit (18) of a hydraulic system (4) of a motor vehicle transmission is earlier, in that an excess amount of oil from a primary system pressure circuit (16) of the hydraulic system (4) is not directed to a suction charging (40), but rather into the secondary system pressure circuit (18). This can take place via a system pressure valve (9) for the primary system pressure circuit (16), which is configured for this function.Type: GrantFiled: October 7, 2019Date of Patent: January 9, 2024Assignee: ZF FRIEDRICHSHAFEN AGInventors: Alexander Haberstock, Markus Herrmann
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Patent number: 11867531Abstract: A transducer magnet assembly (1) on a shifting rail (9) having a transducer magnet (4) which is held by a magnet support (3), and a coupling ring (2). The coupling ring (2) surrounds the shifting rail (9) and the magnet support (3) locks the coupling ring (2) so that the coupling ring (2) is held onto the shifting rail (9).Type: GrantFiled: January 9, 2019Date of Patent: January 9, 2024Assignee: ZF Friedrichshafen AGInventors: Martin Weiss, Maximilian Scheufler
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Patent number: 11867272Abstract: Gearwheel for structure-borne sound reduction in electric drives, having a toothed ring and a wheel hub, which has a structured annular or corrugated web between a shaft seat and the toothed ring. The web has a structure designed with deviations from uniform stiffness and mass distribution about an axis of rotation of the gearwheel, and has an axial symmetry to avoid imbalance. The gearwheel has a two-fold, four-fold, six-fold or eight-fold cyclic axial symmetry.Type: GrantFiled: August 2, 2022Date of Patent: January 9, 2024Assignee: ZF FRIEDRICHSHAFEN AGInventors: Josef Otta, Christoph Schwarzbauer, Anton Sänger, Johannes Luka
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Publication number: 20240007015Abstract: A single-phase module of an inverter of an electric drive system of an at least partially electrically powered vehicle is disclosed, comprising a baseplate, at least two semiconductor packages comprising half-bridges which are arranged on the baseplate and are directly fastened thereto, conductor rails configured in a stacked arrangement on the half-bridges and electrically contact-connected with associated power terminals, comprising a DC-positive conductor rail, a DC-negative conductor rail and an AC conductor rail, wherein the conductor rails, at least in regions at which they are to be electrically insulated from other components, are enclosed in an electrically non-conductive cladding, and wherein components are configured such that each of the latter, in regions at which, upon assembly, they are to be positioned in relation to other components, comprise at least one positioning geometry for positioning, which engages with a corresponding mating structure provided in the other components.Type: ApplicationFiled: June 27, 2023Publication date: January 4, 2024Applicant: ZF Friedrichshafen AGInventors: Cornelius WEIS, Christoph SCHIKORA, Hermann THURN, Herbert WALLNER, Thomas WITTIG
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Patent number: 11858342Abstract: An electric-motor-driven rigid axle for vehicles. The axle has a body with wheel carriers and points for attachment to a vehicle frame such that, in a cross-section, an upper end of the body faces the frame and a body axis forms a vertical axis extending toward the upper end and intersecting the wheel axis. The axle has electric motors and offset transmissions. The motors drive respective carriers. The transmissions are respectively interposed between the associated motor and carrier. The transmissions enable the shafts of the respective motors to be offset from the wheel axis. The transmissions are arranged such that, in the cross-sectional view, the motor shafts and the wheel axis form intersection points on an offset line which is at an angle of between 1 and 90 degrees to the vertical axis and the vertex is at an intersection point between the wheel axis and the offset line.Type: GrantFiled: December 13, 2019Date of Patent: January 2, 2024Assignee: ZF Friedrichshafen AGInventors: Thomas Auer, Sebastian Paulik, Johannes Schweizer, Harald Wendl, Gerhard Obermaier
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Patent number: 11858496Abstract: A method for operating a hybrid vehicle includes obtaining propulsion switching data descriptive of a state of one or more vehicle systems for switching power flow of an internal combustion engine and an electric machine. The propulsion switching data may be used to provide a driver behavior recommendation and/or an actual environmental impact of the hybrid vehicle.Type: GrantFiled: September 23, 2021Date of Patent: January 2, 2024Assignee: ZF FRIEDRICHSHAFEN AGInventors: Gahl Berkooz, Greg Yezersky, Lev Levine, Iris Maria Weiss
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Publication number: 20230418778Abstract: Method for secure on-board communication between components (2, 4) of a vehicle by way of a communication bus (6) of the vehicle. The method includes (Si) sending a message from a component (2; 4) to the communication bus (6), (S2) storing information of the message sent in the component (2; 4), (S3) reading all the messages on the communication bus (6) by the component (2; 4), (S4) comparing information in the messages read with the information in the message sent by the component (2; 4), and (S5) initiating a countermeasure in reaction to a deviation based on the comparison of information in the read messages with the information in the sent message. Also disclosed is a control unit, a system and a vehicle which are designed to carry out such a method for secure on-board communication between components.Type: ApplicationFiled: October 26, 2021Publication date: December 28, 2023Applicant: ZF Friedrichshafen AGInventors: Kai Leingruber, Christoph Stritt, Matthias Stauber, Georg Willmann
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Publication number: 20230421149Abstract: The invention relates to a topological semiconductor switch for power electronics that has at least two power semiconductors, in particular power transistors, characterized in that the topological semiconductor switch has at least one first power semiconductor containing a first semiconductor material, and at least one second power semiconductor containing a second semiconductor material. The invention also relates to a motor vehicle.Type: ApplicationFiled: November 15, 2021Publication date: December 28, 2023Applicant: ZF Friedrichshafen AGInventors: Stefan HAIN, Matthias LOCHNER
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Patent number: 11854317Abstract: A method for standardizing a plurality of motor vehicles may include determining a characteristic value of an individual vehicle (50) based on transmission data for the individual vehicle from a data gathering device (6) associated with the individual vehicle. The transmission data for the individual vehicle may be associated with shifting characteristics of a transmission of the individual vehicle for at least one of an operation interval of the individual vehicle or a mileage of the individual vehicle. Additionally, the method may include assigning the individual vehicle to one of a plurality of profiles (10.1, 10.2, 10.3, 10.4, 10.5) of a classification (10) based at least in part on a magnitude of the characteristic value. The classification may be determined based at least in part on average values and a magnitude and frequency of deviations from the average values of transmission data gathered for a plurality of vehicles (5).Type: GrantFiled: December 18, 2019Date of Patent: December 26, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Mazlum Zerey, Christoph Kirst, Stefan Jochem
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Patent number: 11852224Abstract: A gear unit for a motor vehicle electric drive system, has a housing with a middle portion and a first and second axial end portions. The middle portion receives an electric machine. A differential gear is arranged in the second end portion of the housing. The differential gear is connected on the drive side to a first planetary gearset and on the driven side to a first output shaft and second output shaft arranged coaxial to one another. The second output shaft is a hollow shaft, and the first output shaft extends into the second output shaft. A first bearing for rotatable support of the second output shaft is arranged radially between the second output shaft and a structural component of the gear unit, and a second bearing for the rotatable support of the two output shafts is arranged between the first output shaft and second output shaft.Type: GrantFiled: February 21, 2023Date of Patent: December 26, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Martin Brehmer, Christopher Allnoch, Markus Laile
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Patent number: 11852202Abstract: A cooling oil guiding device for rotating component parts. An annular oil channel extends in radial direction and cooling oil can be supplied from radially inward. The oil channel is partially open radially outwardly. A sealing area is provided in a radially outer area of the oil channel having blocking elements and outlet elements. The blocking elements are arranged radially inwardly of the outlet elements and have at least two passages in radial direction which are distributed along the circumference. Outlet channels aligned with the passages and inlets which are disposed between the outlet channels in circumferential direction are formed by the outlet elements. An annular channel is provided between the blocking elements and the outlet elements to connect the inlets with the outlet channels and passages, respectively.Type: GrantFiled: April 16, 2020Date of Patent: December 26, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Steffen Matschas, Axel Rohm, Ingo Krafft, Monika Rößner, Angelika Ebert, Julian Larbig
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Patent number: 11852237Abstract: An electro-mechanical actuator for generating an axial actuation force is provided. The electro-mechanical actuator includes an electric machine having a stator (1) and a rotor (2). The electro-mechanical actuator also includes a spindle drive with a rotary element (6) and with an element that is movable in a translatory manner. A rotation of the rotary element (6) may result in a translatory motion of the element that is movable in a translatory manner. The rotor (2) and the rotary element (6) of the spindle drive are coupled to each other in a circumferential direction (U) such that a rotation of the rotor (2) results in a rotation of the rotary element (6) of the spindle drive (5). A rotational play (8) is formed between the rotor (2) and the rotary element (6) of the spindle drive in the circumferential direction (U).Type: GrantFiled: March 6, 2020Date of Patent: December 26, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Matthias Reisch, Andreas Füßl, Jürgen Wafzig, Andreas Wendzel, Lorenz Fischer, Holger Gohmert, Uwe Fehr, Michael Arnegger
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Patent number: 11850928Abstract: An electric drive axle for a vehicle includes at least one first electric vehicle drive system (1) for driving at least one vehicle wheel (11, 12) and at least one connection interface (8) for at least one power take-off (PTO). The vehicle drive system (1, 13) is coupled at least to one first double shift element (6) such that, at least in a first engagement position of the first double shift element (6), the vehicle drive system (1, 13) is drivingly coupled to at least one vehicle wheel (11, 12) and, in a second engagement position of the first double shift element (6), the vehicle drive system (1, 13) is decoupled from the at least one vehicle wheel (11, 12) and is drivingly coupled to the connection interface (8) for the power take-off (PTO). A vehicle with an electric drive axle is also provided.Type: GrantFiled: September 13, 2019Date of Patent: December 26, 2023Assignees: ZF FRIEDRICHSHAFEN AG, ZF DRIVETECH (SUZHOU) CO. LTD.Inventors: Frank Seemann, Paul Lenz, Andreas Grossl, Werner Hechberger, Kai Borntraeger, Maik Woerl, Marco Di Sarno, Cong Ren
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Publication number: 20230408353Abstract: A method is proposed for the production of a deformation body (100) for measuring a force and/or a torque for a roll stabilization system of a vehicle. In one example, the method comprises a step of preparing a support material, a step of producing a central element (104) that can be connected to the support material and can be deformed by the force, and a step of connecting the support material to the central element (104) in order to produce the deformation body (100).Type: ApplicationFiled: October 11, 2021Publication date: December 21, 2023Applicant: ZF Friedrichshafen AGInventor: Georg Tenckhoff
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Publication number: 20230407960Abstract: A method for heating a transmission (3) with a torque converter (11), is disclosed. By the selective actuation of clutches (K1, K2, K3, KR, KV) various gears (R1, R2, R3, V1, V2, V3) can be engaged, so that the transmission (3) is blocked on the drive output side, whereby a turbine shaft (12) of the torque converter (11) is immobilized while a drive power is introduced into the transmission (3) by a drive element (2) Blocking the transmission is brought about by actuating the clutches (K1, K2, K3, KR, KV) in such manner that two gears (R1, R2, R3, V1, V2, V3) different from one another in the same driving direction are engaged at the same time.Type: ApplicationFiled: October 18, 2021Publication date: December 21, 2023Applicant: ZF Friedrichshafen AGInventor: Harald Fischer
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Patent number: 11846342Abstract: A transmission where a first shaft is rotationally fixable to a third shaft and to a second shaft, the second and third shafts are rotationally connectable to a fourth shaft, the second shaft is rotationally connectable to a fifth shaft, the fourth shaft is rotationally connectable to the fifth shaft, the third shaft is rotationally connectable to the fifth shaft, fixed gears of the fourth and fifth shafts are rotationally connected to a drive output, a first gearwheel of the sixth shaft meshes with a fixed gear of the second shaft, and a second gearwheel of the sixth shaft meshes with a fixed gear of the third shaft. Moreover, a first gearwheel of the sixth shaft is an idler gear and a second gearwheel of the sixth shaft is a fixed gear, or vice versa. Additionally, the idler gear of the sixth shaft is rotationally fixable to the sixth shaft.Type: GrantFiled: November 15, 2019Date of Patent: December 19, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Max Bachmann, Thomas Rosemeier, Michael Roske, Matthias Reisch, Johannes Kaltenbach, Stefan Beck, Michael Wechs, Martin Rattay, Juri Pawlakowitsch, Fabian Kutter
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Patent number: 11846327Abstract: A hub assembly for a hybrid module having a first and a second connection partner arranged coaxially with one another, the first connection partner has a first bearing portion and the second connection partner has a second bearing portion, and a plurality of connecting elements. The first and the second bearing portion have receiving openings for receiving the connecting elements. The first and the second connection partner are prepositioned with respect to one another via a form-fitting connection such that the receiving openings in the first and the second bearing portion are each oriented in pairs in a positionally correct manner with respect to one another in the circumferential direction about the main axis H.Type: GrantFiled: November 9, 2020Date of Patent: December 19, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventor: Thomas Bauer
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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: 11846346Abstract: A gear unit includes an input shaft, output shafts and a differential having two planetary gearsets with a plurality of gearset elements. A first gearset element is connected to the input shaft, a second gearset element is connected to the first output shaft, and a third gearset element is connected to a gearset element of the second planetary gearset. A second gearset element of the second planetary gearset is connected to a housing, and a third gearset element of the second planetary gearset is connected to the second output shaft. A first output torque transmittable to the first output shaft. The gearset elements of the first planetary gearset and second planetary gearset have a helical toothing such that a torque is transmittable between the two output shafts.Type: GrantFiled: January 27, 2023Date of Patent: December 19, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Thomas Kölbl, Matthias Reisch, Michael Roske