Patents by Inventor Thomas Rosemeier

Thomas Rosemeier 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: 20190193550
    Abstract: A transmission for a motor vehicle having an input shaft, an output shaft, a plurality of planetary gear sets, a plurality of shift elements, and an electric machine arranged axially parallel to the input shaft and operatively connected to the input shaft with a constant transmission ratio via a spur gear drive or a flexible traction drive mechanism. Various gear steps are formable between the input shaft and the output shaft through the planetary gear sets by selectively engaging shift elements of the plurality of shift elements. An actuating element of one of the plurality of shift elements is arranged, at least partially, radially within an element of the spur gear drive or the flexible traction drive mechanism arranged coaxially to the input shaft, and together with the spur gear drive or the flexible traction drive mechanism in a plane orthogonal to an axis of rotation of the input shaft.
    Type: Application
    Filed: May 16, 2017
    Publication date: June 27, 2019
    Applicant: ZF Friedrichshafen AG
    Inventors: Peter Ziemer, Michael Roske, Juri Pawlakowitsch, Thomas Rosemeier, Raffael Kuberczyk
  • Publication number: 20180266526
    Abstract: A transmission for a motor vehicle wherein the drive shaft (An) is rotationally fixedly connectable by the first shift element (K3) to the first shaft (1) and the first shaft is rotationally fixedly connectable by the second shift element (B2) to the housing (2). A sun gear of the first planetary gear set (RS1) is rotationally fixedly connectable by the third shift element (K2) to the drive shaft (An). A carrier of the first planetary gear set (RS1) is rotationally fixedly connected to the output shaft (Ab) and to a ring gear of the second planetary gear set (RS2). A ring gear of the first planetary gear set (RS1) is rotationally fixedly connected to the second shaft (3), wherein the second shaft (3) is rotationally fixedly connectable by the fourth shift element (B1) to the housing (2).
    Type: Application
    Filed: March 19, 2018
    Publication date: September 20, 2018
    Inventors: Stefan Beck, Max Bachmann, Martin Brehmer, Anton Fritzer, Suryanto Hendrawan, Matthias Horn, Johannes Kaltenbach, Raffael Kuberczyk, Jens Moraw, Gerhard Niederbrucker, Juri Pawlakowitsch, Martin Rattay, Matthias Reisch, Wolfgang Rieger, Thomas Rosemeier, Lara Ruth Turner, Michael Roske, Viktor Warth, Bernd Unseld, Michael Wechs, Peter Ziemer
  • Publication number: 20180266525
    Abstract: A transmission for a motor vehicle wherein the drive shaft (An) is rotationally fixedly connectable by the first shift element (K1) to the first shaft (1) and by the second shift element (K2) to the second shaft (2). The second shaft (2) is rotationally fixedly connectable by the fifth shift element (B2) to the housing (3). The third shaft (4) is rotationally fixedly connected to the third gear set element of the second planetary gear set (RS2) and to the first gear set element of the third planetary gear set and is rotationally fixedly connectable by the sixth shift element (B1) to the housing (3). The second gear set element of the third planetary gear set (RS3) is rotationally fixedly connected to the output shaft (Ab), and the third gear set element of the third planetary gear set (RS3) is rotationally fixedly connected to the second shaft (2).
    Type: Application
    Filed: March 19, 2018
    Publication date: September 20, 2018
    Inventors: Stefan Beck, Max Bachmann, Martin Brehmer, Anton Fritzer, Suryanto Hendrawan, Matthias Horn, Johannes Kaltenbach, Raffael Kuberczyk, Jens Moraw, Gerhard Niederbrucker, Juri Pawlakowitsch, Martin Rattay, Matthias Reisch, Wolfgang Rieger, Thomas Rosemeier, Lara Ruth Turner, Michael Roske, Viktor Warth, Bernd Unseld, Michael Wechs, Peter Ziemer
  • Publication number: 20180051782
    Abstract: A transmission includes a drive shaft, an output shaft, three planetary gear sets, and five shift elements, the first and second planetary gear sets are negative or minus gear sets. The third planetary gear set comprises three elements. The drive shaft is connected to the first element. A ring gear of the first planetary gear set is connected to the second element. The drive shaft is connectable to a sun gear of the first planetary gear set through the first shift element. The third element is rotationally fixable through the second shift element. The sun gear of the second planetary gear set is rotationally fixable through the third shift element. The planetary carrier of the second planetary gear set is rotationally fixable through the fourth shift element. The drive shaft is connectable to the planetary carrier of the second planetary gear set through the fifth shift element.
    Type: Application
    Filed: August 16, 2017
    Publication date: February 22, 2018
    Inventors: Michael Roske, Raffael Kuberczyk, Juri Pawlakowitsch, Bernd Unseld, Thomas Rosemeier, Peter Ziemer
  • Publication number: 20180050584
    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: Application
    Filed: August 16, 2017
    Publication date: February 22, 2018
    Inventors: Michael Roske, Raffael Kuberczyk, Juri Pawlakowitsch, Bernd Unseld, Thomas Rosemeier
  • Publication number: 20180045281
    Abstract: A transmission including a drive shaft, an output shaft, three planetary gear sets, and five shift elements, the first and second planetary gear sets are arranged in one gear plane, the first planetary gear set is a plus planetary gear set, and the second planetary gear set is a minus planetary gear set. The planetary gear sets are coupleable to one another to engage different gear ratios between the drive and output shafts. The drive shaft is connected to a sun gear of the first planetary gear set and is coupleable by the first shift element to a first element of the third planetary gear set and by the second shift element to a planetary carrier of the second planetary gear set. The third, fourth, and fifth shift elements radially encircle the planetary gear sets axially at the level the planetary gear sets and the second shift element are arranged.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 15, 2018
    Inventors: Michael Roske, Thomas Rosemeier, Raffael Kuberczyk, Juri Pawlakowitsch
  • Patent number: 9273757
    Abstract: A countershaft-type dual clutch transmission for a vehicle has two clutches having input sides connected to a driveshaft (AN) and output sides connected respectively to one of two transmission input shafts arranged coaxial to a mainshaft axis. A sub-transmission is associated in each instance with the transmission input shafts, at least two countershafts, a plurality of gear planes to which are assigned gear ratio steps, and at least one output shaft which can be connected to the sub-transmissions via an output gear plane. Only six gear planes with at least nine assigned gear ratio steps can be realized via only four double shift elements and at least one single shift element. Each countershaft can be coupled with four gear ratio steps via double shift elements, and one of the transmission input shafts can be coupled with a gear ratio step via a single shift element.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: March 1, 2016
    Assignee: ZF Friedrichshafen AG
    Inventors: Christian Michel, Jürgen Wafzig, Michael Wechs, Markus Renninger, Thomas Rosemeier, Johannes Kaltenbach
  • Patent number: 9074639
    Abstract: A positively interlocking shifting device, in particular a claw shifting device for a vehicle transmission. The shifting device comprises at least a first clutch element (1) and a second, axially displaceable clutch element (2). For the interlocking engagement of the corresponding claws (3, 4) of the first and second clutch elements (1, 2), the axially displaceable clutch element (2) can be shifted as soon as a predetermined speed difference, between the two clutch elements (1, 2), is reached. At least one detection device is provided for detecting an offset position between the corresponding claws (3, 4) of the first and the second clutch elements (1, 2), as required for engagement.
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: July 7, 2015
    Assignee: ZF Friedrichshafen AG
    Inventor: Thomas Rosemeier
  • Patent number: 9032823
    Abstract: A dual clutch transmission designed as a reduction gearing which has concentric central and hollow transmission shafts, exactly one layshaft, and two power shift elements. A hollow shaft is provided coaxially on the layshaft, which can be rotatably fixed to the layshaft, via one shift device, and to which at least two gears of the gear stages are rotatably fixed. A further hollow shaft is provided coaxially on either the central or the hollow transmission shaft, which can be connected, via one of the shift devices, with the central or the hollow transmission shaft and to which at least two further gears of the gear stages are rotatably fixed. At least three transmission ratios are obtainable as a result of engaging the shift element into the power flow in three of the gear stages, by which one transmission ratio results from engaging only one shift element into the power flow.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: May 19, 2015
    Assignee: ZF Friedrichshafen AG
    Inventors: Ralf Dreibholz, Juergen Wafzig, Michael Wechs, Markus Renninger, Thomas Rosemeier, Johannes Kaltenbach, Rudolf Kauffeldt
  • Patent number: 9021906
    Abstract: A double clutch transmission of countershaft design having a central shaft and a concentric hollow transmission shaft, one countershaft, and two power-shift elements. Two hollow shafts are disposed on the countershaft coaxially to the countershaft, each of which can be fixed, via one shift device, to the countershaft, and to which at least two gearwheels are fixed. A further hollow shaft is coaxially provided on either the central or hollow transmission shafts and can be connected, via a shift device, to the central or hollow transmission shaft, and to which at least two further gearwheels of the gear stages are fixed. At least three transmission ratios are possible by engaging three of the gear stages on the shift-element side into the power flow, thereby enabling one transmission ratio to be at least partially implemented by a respective sole engagement on the shift-element side into the power flow.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: May 5, 2015
    Assignee: ZF Friedrichshafen AG
    Inventors: Ralf Dreibholz, Juergen Wafzig, Michael Wechs, Markus Renninger, Thomas Rosemeier, Johannes Kaltenbach, Rudolf Kauffeldt
  • Publication number: 20140338497
    Abstract: A countershaft-type dual clutch transmission for a vehicle has two clutches having input sides connected to a driveshaft (AN) and output sides connected respectively to one of two transmission input shafts arranged coaxial to a mainshaft axis. A sub-transmission is associated in each instance with the transmission input shafts, at least two countershafts, a plurality of gear planes to which are assigned gear ratio steps, and at least one output shaft which can be connected to the sub-transmissions via an output gear plane. Only six gear planes with at least nine assigned gear ratio steps can be realized via only four double shift elements and at least one single shift element. Each countershaft can be coupled with four gear ratio steps via double shift elements, and one of the transmission input shafts can be coupled with a gear ratio step via a single shift element.
    Type: Application
    Filed: December 3, 2012
    Publication date: November 20, 2014
    Inventors: Christian Michel, Jürgen Wafzig, Michael Wechs, Markus Renninger, Thomas Rosemeier, Johannes Kaltenbach
  • Publication number: 20130167676
    Abstract: A dual clutch transmission designed as a reduction gearing which has concentric central and hollow transmission shafts, exactly one layshaft, and two power shift elements. A hollow shaft is provided coaxially on the layshaft, which can be rotatably fixed to the layshaft, via one shift device, and to which at least two gears of the gear stages are rotatably fixed. A further hollow shaft is provided coaxially on either the central or the hollow transmission shaft, which can be connected, via one of the shift devices, with the central or the hollow transmission shaft and to which at least two further gears of the gear stages are rotatably fixed. At least three transmission ratios are obtainable as a result of engaging the shift element into the power flow in three of the gear stages, by which one transmission ratio results from engaging only one shift element into the power flow.
    Type: Application
    Filed: August 3, 2011
    Publication date: July 4, 2013
    Applicant: ZF FRIEDRICHSHAFEN AG
    Inventors: Ralf Dreibholz, Juergen Wafzig, Michael Wechs, Markus Renninger, Thomas Rosemeier, Johannes Kaltenbach, Rudolf Kauffeldt
  • Publication number: 20130160588
    Abstract: A double clutch transmission of countershaft design having a central shaft and a concentric hollow transmission shaft, one countershaft, and two power-shift elements. Two hollow shafts are disposed on the countershaft coaxially to the countershaft, each of which can be fixed, via one shift device, to the countershaft, and to which at least two gearwheels are fixed. A further hollow shaft is coaxially provided on either the central or hollow transmission shafts and can be connected, via a shift device, to the central or hollow transmission shaft, and to which at least two further gearwheels of the gear stages are fixed. At least three transmission ratios are possible by engaging three of the gear stages on the shift-element side into the power flow, thereby enabling one transmission ratio to be at least partially implemented by a respective sole engagement on the shift-element side into the power flow.
    Type: Application
    Filed: August 3, 2011
    Publication date: June 27, 2013
    Applicant: ZF FRIEDRICHSHAFEN AG
    Inventors: Ralf Dreibholz, Juergen Wafzig, Michael Wechs, Markus Renninger, Thomas Rosemeier, Johannes Kaltenbach, Rudolf Kauffeldt
  • Patent number: 8419579
    Abstract: A transmission device, for a motor vehicle, with at least two drive output shafts and two multi-shaft planetary gearsets in active connection with one another. A shaft of a planetary gearset is actively connected with an output shaft and is shifted, between first and second power paths, such that in the first power path, torque of an electric machine is transmitted in equal parts and with the same sign to the output shafts, and in the second power path, torque is transmitted in equal parts but with different signs. One of the two planetary gearsets is made as a four-shaft, reduced coupling transmission with two sun gears and a common planetary gear carrier with radially inner and outer planetary gears that mesh with one another, and which are engaged, on the one hand, with the sun gears and, on the other hand, with a rotationally fixed ring gear.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: April 16, 2013
    Assignee: ZF Friedrichshafen AG
    Inventors: Thomas Rosemeier, Bernd-Robert Hohn, Christoph Pelchen
  • Patent number: 8414447
    Abstract: A transmission device for distributing drive torque between two output shafts. The device comprises three planetary gearsets (2, 3, 11). An input shaft is connected to a first element of gearsets (2, 3). The output shafts each couple a second element of gearsets (2, 3). A third element of gearset (2) couples a first element of gearset (11) and is connectable, via brake (14), to the housing. A third element of gearset (3) is connectable, via brake (17), to the housing and, via a claw shifting element (24), to a second element of gearset (11). A third element of gearset (11) couples the housing. Claw shifting elements (24, 18) couple the brakes (14, 17) such that, to engage brakes (14, 17), the claw shifting elements are first coupled to the first element of gearset (11) or the third element of gearset (3), and then the brakes are engaged.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: April 9, 2013
    Assignee: ZF Friedrichshafen AG
    Inventor: Thomas Rosemeier
  • Patent number: 8387741
    Abstract: A drive train arrangement for a vehicle comprising a main transmission and a transfer box which are both housed within a transmission housing. The transfer box comprises a drive output which is connected to a rear axle differential transmission and connectable, by a torque transmission element and a connecting shaft, to a front axle differential transmission. The connecting shaft is arranged at a predetermined angle relative to the drive output shaft of the main transmission. The end of the connecting shaft, facing toward the front axle differential transmission, is actively connected to the front axle differential transmission. The front axle differential transmission is fixed to the vehicle by at least one adaptor device allowing the front axle differential transmission to be adapted to a variety of arrangement positions along the rotation axis of the connection shaft.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: March 5, 2013
    Assignee: ZF Friedrichshafen AG
    Inventors: Ulrich Mair, Thomas Rosemeier, Dietmar Gehring, Detlef Baasch, Lothar Beigang, Manfred Geier
  • Patent number: 8308600
    Abstract: A transmission device with at least two output shafts and at least two multi-shaft planetary gearsets being actively connected. A shaft of each gearset can be actively connected with an output shaft. A shifting mechanism is provided, between the two output shafts, for shifting between a first power path and a second power path. In the area of a further shaft of one of the planetary gearsets, torque from an electric machine flows along the first or the second power path. When the first power path is engaged, the torque from the electric machine flows in equal parts and with the same sign to the two output shafts, and when the second power path is engaged, the torque flows to the two output shafts in equal parts but with opposite signs. A motor output shaft of the electric machine is arranged perpendicularly to one of the two output shafts.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: November 13, 2012
    Assignee: ZF Friedrichshafen AG
    Inventors: Thomas Rosemeier, Bernd-Robert Hohn, Christoph Pelchen
  • Patent number: 8282524
    Abstract: A transmission device is proposed for distributing a drive torque to at least two output shafts (Ab1, Ab2), comprising a differential (2) that is permanently connected to the output shafts (Ab1, Ab2), wherein a double planetary gearset (4) is provided co-axially to the output (Ab2) between the differential cage (3) of the differential (2) and the output (Ab2) of one side, said planetary gearset comprising a first sun gear (5) and a second sun gear (6), a first planetary range (7), an intermediate planetary range (8), and an internal gear (9), herein the internal gear (9) is connected to the differential cage (3) and the planet carrier (10) of the planetary gearset (4) is connected to the output (Ab2), wherein the first sun gear (5) meshes with the first planetary range (7) and can be coupled to the housing (G) by means of a brake (11) in order to shift the torque in one direction, and wherein the second sun gear (6) meshes with the intermediate planetary range (8) and can be coupled to the housing (G) by mean
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: October 9, 2012
    Assignee: ZF Friedrichshafen AG
    Inventors: Alois Böck, Detlef Baasch, Gerhard Gumpoltsberger, Thomas Rosemeier
  • Patent number: 8272989
    Abstract: A variable-ratio transmission for distributing a drive torque to at least two drive output shafts (8, 9), comprising a conventional differential (1) is proposed, which comprises an electric motor (5) for distributing the drive torque directly between the drive output shafts (8, 9) and a plus planetary gearset (2) that serves as a variable-ratio unit, such that the plus planetary gearset (2) is arranged coaxially with a drive input shaft (8), the outer sun gear (3) of the plus planetary gearset (2) is connected to the output (8), on the side of the differential (1) facing toward the planetary gearset (2), and the web (4) of the planetary gearset (2) is connected to the electric motor (5), and such that the inner sun gear (6) of the planetary gearset (2) is connected by a countershaft (7) to the other drive output shaft (9).
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: September 25, 2012
    Assignee: ZF Friedrichshafen AG
    Inventors: Detlef Baasch, Christoph Pelchen, Thomas Rosemeier
  • Publication number: 20120234644
    Abstract: A positively interlocking shifting device, in particular a claw shifting device for a vehicle transmission. The shifting device comprises at least a first clutch element (1) and a second, axially displaceable clutch element (2). For the interlocking engagement of the corresponding claws (3, 4) of the first and second clutch elements (1, 2), the axially displaceable clutch element (2) can be shifted as soon as a predetermined speed difference, between the two clutch elements (1, 2), is reached. At least one detection device is provided for detecting an offset position between the corresponding claws (3, 4) of the first and the second clutch elements (1, 2), as required for engagement.
    Type: Application
    Filed: November 29, 2010
    Publication date: September 20, 2012
    Applicant: ZF FRIEDRICHSHAFEN AG
    Inventor: Thomas Rosemeier