Patents by Inventor Michael Roske

Michael Roske 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: 11846342
    Abstract: 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: Grant
    Filed: November 15, 2019
    Date of Patent: December 19, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Max Bachmann, Thomas Rosemeier, Michael Roske, Matthias Reisch, Johannes Kaltenbach, Stefan Beck, Michael Wechs, Martin Rattay, Juri Pawlakowitsch, Fabian Kutter
  • Patent number: 11846346
    Abstract: 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: Grant
    Filed: January 27, 2023
    Date of Patent: December 19, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Thomas Kölbl, Matthias Reisch, Michael Roske
  • Publication number: 20230243408
    Abstract: 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: Application
    Filed: January 27, 2023
    Publication date: August 3, 2023
    Inventors: Thomas KÖLBL, Matthias REISCH, Michael ROSKE
  • Patent number: 11660949
    Abstract: A drive device (2) for an at least partially electrically driven vehicle (1) includes an electric machine (3) having a rotor shaft (8) extending longitudinally along an input axis (4). The drive device further includes a first output shaft (6a) extending longitudinally along an output axis (7) and parallel to the rotor shaft (8). Moreover, the drive device includes a gear stage (5) having a first gearwheel (9) rotationally fixed to the rotor shaft (8), and a second gearwheel (10) meshed with the first gearwheel (9) and drivingly connected to the first output shaft (6a). Additionally, the drive device includes a housing (11) having a shared housing cavity (12), wherein the first output shaft (6a) and the electric machine (3) are parallel to one another in the housing cavity (12), and wherein an air gap (18) extends radially between the electric machine (3) and the first output shaft (6a).
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: May 30, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Timo Wehlen, Michael Roske, Sabine Sielemann, Wolfgang Rieger, Ulrich Kehr, Eckhardt Lübke
  • Patent number: 11590960
    Abstract: A method for serial operation of a motor vehicle with a transmission having a first electric machine, which is operated as a motor for driving the motor vehicle, and a second electric machine, which is operated as a generator, includes, after a generation of a change-over signal, switching the first electric machine from the operation as a motor to the operation as a generator, and switching the second electric machine from the operation as a generator to the operation as a motor in order to drive the motor vehicle.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: February 28, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Johannes Kaltenbach, Michael Roske
  • Patent number: 11578794
    Abstract: A device (1) for cooling and lubricating components of a vehicle (2) may include a housing (3), a coolant sump (4), a coolant pump (5) for pumping coolant (6) from the coolant sump (4), a heat exchanger (7) for cooling coolant (6) from the coolant pump (5), and a coolant line system (8) including a coolant reservoir (9) having a single coolant inlet (10) and multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5). The coolant line system (8) fluidically connects the coolant pump (5) to the heat exchanger (7), and the heat exchanger (7) to the single coolant inlet (10) of the coolant reservoir (9). The coolant reservoir (9) receives coolant (6) from the heat exchanger (7) via the single coolant inlet (10) and directs coolant (6) via the multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) onto components in the housing (3) requiring cooling and lubrication.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: February 14, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Michael Roske, Sabine Sielemann, Eckhardt Lübke, Stephan Scharr, Danny Grusser, Wolfgang Rieger, Ulrich Kehr, Timo Wehlen, Andreas Hölscher, Martin Jelinewski
  • Patent number: 11578797
    Abstract: A device (1) for cooling and lubricating components of a vehicle (2) includes at least one housing (3), a coolant sump (4), a first coolant pump (5.1) configured for delivering coolant (6) from a first housing section (A) for accommodating a transmission (12) into the coolant sump (4), a second coolant pump (5.2) configured for delivering coolant (6) from the coolant sump (4) into a coolant line system (8), and a heat exchanger (7) configured for cooling the coolant (6) delivered by the second coolant pump (5.2). The coolant line system (8) fluidically connects at least the second coolant pump (5.2) to the heat exchanger (7) and, at least indirectly, fluidically connects the heat exchanger (7) to multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) for spraying coolant (6) onto components in the housing (3) that require cooling and lubrication.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: February 14, 2023
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventor: Michael Roske
  • Publication number: 20220219520
    Abstract: A drive device (2) for an at least partially electrically driven vehicle (1) includes an electric machine (3) having a rotor shaft (8) extending longitudinally along an input axis (4). The drive device further includes a first output shaft (6a) extending longitudinally along an output axis (7) and parallel to the rotor shaft (8). Moreover, the drive device includes a gear stage (5) having a first gearwheel (9) rotationally fixed to the rotor shaft (8), and a second gearwheel (10) meshed with the first gearwheel (9) and drivingly connected to the first output shaft (6a). Additionally, the drive device includes a housing (11) having a shared housing cavity (12), wherein the first output shaft (6a) and the electric machine (3) are parallel to one another in the housing cavity (12), and wherein an air gap (18) extends radially between the electric machine (3) and the first output shaft (6a).
    Type: Application
    Filed: November 22, 2021
    Publication date: July 14, 2022
    Inventors: Timo Wehlen, Michael Roske, Sabine Sielemann, Wolfgang Rieger, Ulrich Kehr, Eckhardt Lübke
  • Publication number: 20220221046
    Abstract: A device (1) for cooling and lubricating components of a vehicle (2) may include a housing (3), a coolant sump (4), a coolant pump (5) for pumping coolant (6) from the coolant sump (4), a heat exchanger (7) for cooling coolant (6) from the coolant pump (5), and a coolant line system (8) including a coolant reservoir (9) having a single coolant inlet (10) and multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5). The coolant line system (8) fluidically connects the coolant pump (5) to the heat exchanger (7), and the heat exchanger (7) to the single coolant inlet (10) of the coolant reservoir (9). The coolant reservoir (9) receives coolant (6) from the heat exchanger (7) via the single coolant inlet (10) and directs coolant (6) via the multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) onto components in the housing (3) requiring cooling and lubrication.
    Type: Application
    Filed: December 28, 2021
    Publication date: July 14, 2022
    Inventors: Michael Roske, Sabine Sielemann, Eckhardt Lübke, Stephan Scharr, Danny Grusser, Wolfgang Rieger, Ulrich Kehr, Timo Wehlen, Andreas Hölscher, Martin Jelinewski
  • Publication number: 20220221047
    Abstract: A device (1) for cooling and lubricating components of a vehicle (2) includes at least one housing (3), a coolant sump (4), a first coolant pump (5.1) configured for delivering coolant (6) from a first housing section (A) for accommodating a transmission (12) into the coolant sump (4), a second coolant pump (5.2) configured for delivering coolant (6) from the coolant sump (4) into a coolant line system (8), and a heat exchanger (7) configured for cooling the coolant (6) delivered by the second coolant pump (5.2). The coolant line system (8) fluidically connects at least the second coolant pump (5.2) to the heat exchanger (7) and, at least indirectly, fluidically connects the heat exchanger (7) to multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) for spraying coolant (6) onto components in the housing (3) that require cooling and lubrication.
    Type: Application
    Filed: January 4, 2022
    Publication date: July 14, 2022
    Inventor: Michael Roske
  • Patent number: 11364784
    Abstract: A transmission (G) for a motor vehicle includes an electric machine (EM1), a first input shaft (GW1), a second input shaft (GW2), an output shaft (GWA), at least two planetary gear sets (P1, P2), and at least four shift elements (A, B, C, D). Different gears are selectable by selectively actuating the at least four shift elements (A, B, C, D). In interaction with the electric machine (EM1), different operating modes are implementable. A drive train for a motor vehicle that includes such a transmission (G) and to a method for operating same are also provided.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: June 21, 2022
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Johannes Kaltenbach, Uwe Griesmeier, Stefan Beck, Matthias Horn, Viktor Warth, Michael Roske, Fabian Kutter
  • Patent number: 11364785
    Abstract: A dual clutch arrangement for a dual clutch transmission includes a first clutch and a second clutch. The output of the first clutch is connected to the input of the second clutch. A dual clutch transmission arrangement with the dual clutch arrangement and a motor vehicle with the dual clutch arrangement are also provided.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: June 21, 2022
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Michael Roske, Johannes Kaltenbach, Thomas Rosemeier, Juri Pawlakowitsch, Raffael Kuberczyk
  • Patent number: 11274732
    Abstract: A dual clutch transmission arrangement (4) includes a first clutch (K1) and a second clutch (K2) for connecting a drive unit (2) to a first sub-transmission and to a second sub-transmission. The first clutch (K1) is connected to both transmission input shafts. A motor vehicle with the dual clutch transmission arrangement (4) is also provided.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: March 15, 2022
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Michael Roske, Johannes Kaltenbach, Thomas Rosemeier, Juri Pawlakowitsch, Raffael Kuberczyk
  • Publication number: 20220042578
    Abstract: 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: Application
    Filed: November 15, 2019
    Publication date: February 10, 2022
    Inventors: Max Bachmann, Thomas Rosemeier, Michael Roske, Matthias Reisch, Johannes Kaltenbach, Stefan Beck, Michael Wechs, Martin Rattay, Juri Pawlakowitsch, Fabian Kutter
  • Patent number: 11186160
    Abstract: A drive system (1) of a motor vehicle includes a first planetary gear set (2), a first electric machine (13) coupled to a ring gear (5) of the first planetary gear set (2) directly or indirectly via a second planetary gear set (3), and a second electric machine (14) coupled to a sun gear (4) of the first planetary gear set (2) directly via a third form-fit shift element (C) or indirectly via the second planetary gear set (3). The sun gear (4) of the first planetary gear set (2) is braked against the housing by engaging a first form-fit shift element (A). The sun gear (4) of the first planetary gear set (2) is coupleable to a carrier (6) of the first planetary gear set (2) via a second form-fit shift element (B) while providing a direct drive at the first planetary gear set (2).
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: November 30, 2021
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Johannes Kaltenbach, Fabian Kutter, Stefan Beck, Matthias Horn, Uwe Griesmeier, Michael Roske
  • Patent number: 11155164
    Abstract: A connection of an oil pump (1) to a hybrid transmission of a motor vehicle includes an electric machine (3) arranged axially parallel to a transmission input shaft (2). A drive of the oil pump (1) is connected in the operative connection between the transmission input shaft (2) and the electric machine (3) via an intermediate gear (5) of a spur gear drive or via a chain drive (10).
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: October 26, 2021
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Thomas Rosemeier, Michael Roske, Raffael Kuberczyk, Juri Pawlakowitsch, Bernd Unseld
  • Publication number: 20210284008
    Abstract: A dual clutch arrangement for a dual clutch transmission includes a first clutch and a second clutch. The output of the first clutch is connected to the input of the second clutch. A dual clutch transmission arrangement with the dual clutch arrangement and a motor vehicle with the dual clutch arrangement are also provided.
    Type: Application
    Filed: February 19, 2018
    Publication date: September 16, 2021
    Inventors: Michael Roske, Johannes Kaltenbach, Thomas Rosemeier, Juri Pawlakowitsch, Raffael Kuberczyk
  • Publication number: 20210276408
    Abstract: A transmission arrangement for a transmission of a vehicle or the like includes a dividing housing element configured to divide the transmission arrangement into at least one wet space and at least one dry space, at least one torsional damper for damping torsional vibrations, at least one disconnecting device for disconnecting the torque flow of a drive from a transmission input shaft of the transmission, and a mass damper device. The mass damper device is arranged in the torque flow between the secondary side of the at least one torsional damper and the primary side of the disconnecting device. At least one torsional damper is arranged in the dry space, and at least one disconnecting device is arranged in the wet space, and a connection device for an electric machine is arranged in radial direction above at least one of the devices in the same axial plane.
    Type: Application
    Filed: February 2, 2018
    Publication date: September 9, 2021
    Inventors: Steffen MATSCHAS, Michael ROSKE, Bernd UNSELD, Thomas DÖGEL, Andreas ORLAMÜNDER, Thomas ROSEMEIER
  • Patent number: 10821822
    Abstract: A motor vehicle transmission including an interface to a drive unit, a drive shaft, an output shaft coaxial to the drive shaft, a differential transmission paraxial to the drive shaft, a device for forming gear ratios between the drive and output shafts, and an electric motor with a fixed stator and a rotatable rotor. The output shaft is connected with the differential transmission by a chain drive and a downstream gear set coaxial to the differential transmission. The electric motor is at an axial end of the transmission where the interface to the drive unit is formed. The rotor is connected with the drive shaft. The chain drive is axially between the differential transmission and the downstream gear set or the downstream gear set is axially between the chain drive and the differential transmission, and the chain drive is axially between the electric motor and the downstream gear set.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: November 3, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Michael Roske, Raffael Kuberczyk, Juri Pawlakowitsch, Bernd Unseld, Thomas Rosemeier
  • Publication number: 20200331336
    Abstract: A transmission (G) for a motor vehicle includes an electric machine (EM1), a first input shaft (GW1), a second input shaft (GW2), an output shaft (GWA), at least two planetary gear sets (P1, P2), and at least four shift elements (A, B, C, D). Different gears are selectable by selectively actuating the at least four shift elements (A, B, C, D). In interaction with the electric machine (EM1), different operating modes are implementable. A drive train for a motor vehicle that includes such a transmission (G) and to a method for operating same are also provided.
    Type: Application
    Filed: September 6, 2018
    Publication date: October 22, 2020
    Inventors: Johannes Kaltenbach, Uwe Griesmeier, Stefan Beck, Matthias Horn, Viktor Warth, Michael Roske, Fabian Kutter