Patents by Inventor Michael WECHS

Michael WECHS 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: 20200318718
    Abstract: A power-split transmission (28) with a first power path and a second power path. In this case, the first power path is a mechanical power path and includes a primary planetary gearset (P1), a secondary planetary gearset (P2) and a tertiary planetary gearset (P3). Furthermore, the power-split transmission (28) is equipped with at least four shifting elements. In addition, a method for operating such a power-split transmission (28) is disclosed. Moreover, a drive-train (10) of a working machine with a power-split transmission (28) of the type concerned is presented.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 8, 2020
    Inventors: Stefan BECK, Raphael HIMMELSBACH, Philipp RECHENBACH, Michael WECHS, Johannes KALTENBACH
  • Patent number: 10753431
    Abstract: A transmission (G) for a motor vehicle includes an electric motor (EM), an input shaft (GW1), an output shaft (GW2), two planetary gear sets (P1, P2), and at least five shift elements (K1, B1, K2, K3, K4), wherein different gear ratios between the input shaft (GW1) and the output shaft (GW2) are selectable by actuating the at least five shift elements (K1, B1, K2, K3, K4) and, in addition, in interaction with the electric motor (EM), different operating modes are implementable. A drive train for a motor vehicle including such a transmission (G) and to a method for operating same are also provided.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: August 25, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Stefan Beck, Uwe Griesmeier, Matthias Horn, Johannes Kaltenbach, Jens Moraw, Gerhard Niederbrucker, Stephan Scharr, Viktor Warth, Michael Wechs
  • Patent number: 10724611
    Abstract: A motor vehicle transmission, the transmission having an input shaft rotationally fixed to a second element of a first planetary gear set and rotationally fixable to a first element of a second planetary gear set by a first shift element. A first element of the first planetary gear set is rotationally fixable to a housing of the transmission by a second shift element and to the first element of the second planetary gear set by a third shift element. An output shaft of the transmission is rotationally fixed to a third element of the first planetary gear set and to a second element of the second planetary gear set. A third element of the second planetary gear set is rotationally fixable to the housing by a fourth shift element. Additionally, two elements of the first planetary gear set are rotationally fixable to each other by a fifth shift element.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: July 28, 2020
    Assignee: ZR FRIEDRICHSHAFEN AG
    Inventors: Stefan Beck, Uwe Griesmeier, Matthias Horn, Johannes Kaltenbach, Jens Moraw, Gerhard Niederbrucker, Stephan Scharr, Viktor Warth, Michael Wechs
  • Patent number: 10704662
    Abstract: A variator unit of a power-split continuously variable transmission device is fixed to a rotationally fixed component and has a primary side rotationally fixed to an input shaft and a secondary side rotationally fixed to each respective first element of the first and a second planetary gear sets via a third shaft. A third element of the first planetary gear set is rotationally fixed to a third element of the second planetary gear set via a fourth shaft and is fixable to the rotationally fixed component via a first shift element. A fifth shaft is rotationally fixed to a second element of the second planetary gear set, which is fixable to the rotationally fixed component via the third shift element, and is connectable to the input shaft via the second shift element. A second element of the first planetary gear set is rotationally fixed to the output shaft.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: July 7, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Stefan Beck, Viktor Warth, Michael Wechs, Gerhard Niederbrucker, Jens Moraw, Lara Ruth Turner
  • Patent number: 10641373
    Abstract: A variator unit is fixed to a rotationally fixed component and has a secondary side rotationally fixed to an input shaft and a primary side rotationally fixed to a first element of a first planetary gear set. The input shaft is rotationally fixable via a second shift element to a second element of a second planetary gear set, which is fixable to the rotationally fixed component via a first shift element, and is rotationally fixed to a first element of a third planetary gear set. A second element of the first planetary gear set is fixed to the rotationally fixed component. A first element of the second planetary gear set is rotationally fixed to a third element of the third planetary gear set. A third element of the first planetary gear set is rotationally fixed to a third element of the second planetary gear set.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: May 5, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Stefan Beck, Viktor Warth, Michael Wechs, Bernhard Sich, Fabio Frank, Jens Moraw, Gerhard Niederbrucker, Lara Ruth Turner
  • Publication number: 20200132171
    Abstract: A transmission (G) for a motor vehicle. The transmission (G) comprises a transmission input (GW1-A), a transmission output (GW2-A), first, second, third and fourth planetary gearsets (P1, P2, P3, P4) and first, second, third, fourth, fifth and sixth shift elements (B1, B2, K1, K2, K3, K4). Ten forward gears and one reverse gear can be achieved between the transmission input (GW1-A) and the transmission output (GW2-A) by selectively operating the six shift elements (B1, B2, K1, K2, K3, K4). A drive train for a motor vehicle having such a transmission (G) is also disclosed.
    Type: Application
    Filed: March 26, 2018
    Publication date: April 30, 2020
    Inventors: Stefan BECK, Johannes KALTENBACH, Michael WECHS, Michael TRÜBENBACH, Kai BORNTRÄGER, Johannes GLÜCKLER, Jens MORAW, Gerhard NIEDERBRUCKER, Peter ZIEMER
  • Publication number: 20200132172
    Abstract: A transmission (G) for a motor vehicle. The transmission (G) has a drive shaft (GW1), an output shaft (GW2-A), first, second, third and fourth planetary gearsets (P1, P2, P3, P4) and first, second, third, fourth, fifth and sixth shift elements (B1, K1, K2, B2, K3, K4). Selective actuation of the six shift elements (B1, K1, K2, B2, K3, K4) implements eleven forward gears and two reverse gears between the drive shaft (GW1) and the output shaft (GW2-A). A drive train for a motor vehicle having such a transmission (G) is also disclosed.
    Type: Application
    Filed: March 26, 2018
    Publication date: April 30, 2020
    Inventors: Stefan BECK, Johannes KALTENBACH, Michael WECHS, Michael TRÜBENBACH, Kai BORNTRÄGER, Johannes GLÜCKLER, Jens MORAW, Gerhard NIEDERBRUCKER, Peter ZIEMER
  • Patent number: 10634219
    Abstract: A transmission (G) for a motor vehicle includes an input shaft (GW1), an output shaft (GW2), three planetary gear sets (P1, P2, P3), as well as four shift elements (B1, K1, K2, K3). By selective engagement of the four shift elements (B1, K1, K2, K3) in pairs, six forward gears (1-6) are shiftable between the input shaft (GW1) and the output shaft (GW2).
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: April 28, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Viktor Warth, Uwe Griesmeier, Martin Brehmer, Peter Ziemer, Johannes Kaltenbach, Stefan Beck, Raffael Kuberczyk, Michael Wechs, Stephan Scharr, Eckehard Münch, Bernd Knöpke, Matthias Horn, Jens Moraw, Julian King, Juri Pawlakowitsch, Gerhard Niederbrucker
  • Patent number: 10632835
    Abstract: A transmission (G) for a motor vehicle comprising an upstream gear set (VRS), a main gear set (HRS) with a total of four shafts (W1, W2, W3, W4) referred to in order of rotational speeds as first, second, third and fourth shafts, an electric machine (EM), and at least five shift elements (A, B, C, E, F), the selective pairwise closure of which realizes at least eight selectable forward gear ratios (G1-G8) between a drive shaft (GW1) and an output shaft (GW2) of the transmission (G). The upstream gear set (VRS) provides a rotational speed at a fifth shaft (W5) increased relative to the rotational speed of the drive shaft (GW1), in a fixed transmission ratio with respect to the drive shaft (GW1). The main gear set (HRS) is a stepped planetary gear set (PS).
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: April 28, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Peter Ziemer, Stefan Beck, Martin Brehmer, Matthias Horn, Johannes Kaltenbach, Julian King, Bernd Knöpke, Jens Moraw, Eckehard Münch, Gerhard Niederbrucker, Juri Pawlakowitsch, Stephan Scharr, Viktor Warth, Michael Wechs, Uwe Griesmeier, Raffael Kuberczyk
  • Patent number: 10626969
    Abstract: A variator unit of a power-split continuously variable transmission is fixed to a rotationally fixed component and has a primary side rotationally fixed to an input shaft and a secondary side rotationally fixed to a first element of a second planetary gear set via a third shaft. A third element of a first planetary gear set is rotationally fixed via a fourth shaft to a second element of the second planetary gear set, which is fixable to the rotationally fixed component via a first shift element and connectable to the input shaft via a second shift element. A third element of the second planetary gear set is rotationally fixed via a fifth shaft to a first element of the first planetary gear set fixable to the rotationally fixed component via a third shift element. The second element of the first planetary gear set is rotationally fixed to an output shaft.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: April 21, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Stefan Beck, Viktor Warth, Michael Wechs, Gerhard Niederbrucker, Jens Moraw, Lara Ruth Turner
  • Patent number: 10605337
    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: Grant
    Filed: March 19, 2018
    Date of Patent: March 31, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    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
  • Patent number: 10598259
    Abstract: The invention relates to a transmission (G) for a motor vehicle, wherein the transmission (G) comprises an input shaft (GW1), an output shaft (GW2), three planetary gear sets (P1, P2, P3), as well as at least five shift elements (B1, K1, K2, K3, K4), wherein, by means of selective engagement of the at least five shift elements (B1, K1, K2, K3, K4), seven forward gears (1 to 7) can be selected between the input shaft (GW1) and the output shaft (GW2), and a drive train for a motor vehicle comprising such a transmission (G).
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: March 24, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Viktor Warth, Uwe Griesmeier, Martin Brehmer, Peter Ziemer, Johannes Kaltenbach, Stefan Beck, Raffael Kuberczyk, Michael Wechs, Stephan Scharr, Eckehard Münch, Bernd Knöpke, Matthias Horn, Jens Moraw, Julian King, Juri Pawlakowitsch, Gerhard Niederbrucker
  • Patent number: 10570995
    Abstract: A transmission (G) for a motor vehicle includes a drive shaft (GW1), an output shaft (GW2), a first and a second planetary gear set (P1, P2), and a first, second, third, fourth and fifth shift element (04, 13, 14, 26, 36). Six forward gear ratios (1-6) between the drive shaft (GW1) and the output shaft (GW2) are engagable through selective pairwise closure of the five shift elements (04, 13, 14, 26, 36) and rotationally fixed immobilization of the sun gear (E11) of the first planetary gear set (P1).
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: February 25, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Stefan Beck, Michael Wechs, Martin Brehmer, Johannes Kaltenbach, Eckehard Münch, Viktor Warth, Julian King, Jens Moraw, Stephan Scharr, Matthias Horn, Uwe Griesmeier, Peter Ziemer, Juri Pawlakowitsch, Bernd Knöpke, Gerhard Niederbrucker, Raffael Kuberczyk
  • Patent number: 10570994
    Abstract: A transmission (G) for a motor vehicle includes an input shaft (GW1), an output shaft (GW2), three planetary gear sets (P1, P2, P3), and four shift elements (B1, K1, K2, K3). By selective engagement of the four shift elements (B1, K1, K2, K3) in pairs, six forward gears (1-6) are shiftable between the input shaft (GW1) and the output shaft (GW2).
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: February 25, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Viktor Warth, Uwe Griesmeier, Martin Brehmer, Peter Ziemer, Johannes Kaltenbach, Stefan Beck, Raffael Kuberczyk, Michael Wechs, Stephan Scharr, Eckehard Münch, Bernd Knöpke, Matthias Horn, Jens Moraw, Julian King, Juri Pawlakowitsch, Gerhard Niederbrucker
  • Publication number: 20200055385
    Abstract: A power-split transmission comprises an electric variator (9) and an electric variator (10) which can be connected, by way of a clutch (8), for forward driving, and a clutch (7), for reverse driving, to the drive output shaft (5) in such manner that the drive output shaft (5) can be purely electrically driven even when the input shaft (2) is static.
    Type: Application
    Filed: August 16, 2019
    Publication date: February 20, 2020
    Inventors: Philipp RECHENBACH, Stefan BECK, Viktor WARTH, Johannes KALTENBACH, Raphael HIMMELSBACH, Benedikt REICK, Michael WECHS, Jens MORAW, Gerhard NIEDERBRUCKER
  • Publication number: 20200040968
    Abstract: A transmission (G) for a motor vehicle which has a transmission input (GW1-A), a transmission output (GW2-A), five planetary gear sets (P1, P2, P3, P4, P5) and six shifting elements (B1, B2, K1, K2, K3, B3). By selectively actuating the six shifting elements (B1, B2, K1, K2, K3, B3), ten forward gears and one reverse gear can be selected between the transmission input (GW1-A) and the transmission output (GW2-A). Further, the drive train is typically incorporated into a motor vehicle.
    Type: Application
    Filed: March 26, 2018
    Publication date: February 6, 2020
    Inventors: Stefan BECK, Johannes KALTENBACH, Michael WECHS, Michael TRÜBENBACH, Kai BORNTRÄGER, Johannes GLÜCKLER, Jens MORAW, Gerhard NIEDERBRUCKER, Peter ZIEMER
  • Patent number: 10533643
    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: Grant
    Filed: March 19, 2018
    Date of Patent: January 14, 2020
    Assignee: ZF FRIEDRICHSHAFEN AG
    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: 20190382080
    Abstract: A transmission for a bicycle includes at least four shift elements, an input shaft (1), a first planetary gear set (PS1) which is operatively connected to the input shaft (1), a second planetary gear set (PS2) which is operatively connectable to the input shaft (1), and an output shaft (2). The input shaft (1) is rotationally fixed to a ring gear of the first planetary gear set (PS1), and the output shaft (2) is rotationally fixed to a carrier of the first planetary gear set (PS1).
    Type: Application
    Filed: November 24, 2017
    Publication date: December 19, 2019
    Inventors: Johannes Kaltenbach, Valerie Engel, Uwe Griesmeier, Matthias Wesa, Michael Wechs, Jens Moraw, Gerhard Niederbrucker
  • Publication number: 20190351972
    Abstract: A transmission for a bicycle includes at least four shift elements, one input shaft (1), a first planetary gear set (PS1) which is operatively connected to the input shaft (1), and a second planetary gear set (PS2). A carrier of the first planetary gear set is rotationally fixed to a carrier of the second planetary gear set (PS2).
    Type: Application
    Filed: November 27, 2017
    Publication date: November 21, 2019
    Inventors: Johannes Kaltenbach, Valerie Engel, Uwe Griesmeier, Matthias Wesa, Michael Wechs, Jens Moraw, Gerhard Niederbrucker
  • Patent number: 10427515
    Abstract: A transmission (G) for a motor vehicle having an input shaft (GW1), an output shaft (GW2), three planetary gear sets, and six shift elements. By engaging the second shift element (06), the second element (E21) of the first planetary gear set (P1) is rotationally fixable. By engaging the third shift element (07), the first element (E11) of the first planetary gear set (P1) is rotationally fixable. By engaging the fourth shift element (14), the input shaft (GW1) is connectable to the second element (E22) of the second planetary gear set (P2). By engaging the fifth shift element (15), the input shaft (GW1) is connectable to the first element (E12) of the second planetary gear set (P2). By engaging the sixth shift element (57), the first element (E12) of the second planetary gear set (P2) is connectable to the first element (E11) of the first planetary gear set (P1).
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: October 1, 2019
    Assignee: ZF FRIEDRICHSHAFEN AG
    Inventors: Stefan Beck, Matthias Horn, Martin Brehmer, Johannes Kaltenbach, Julian King, Jens Moraw, Eckehard Münch, Gerhard Niederbrucker, Juri Pawlakowitsch, Stephan Scharr, Viktor Warth, Michael Wechs, Peter Ziemer, Uwe Griesmeier, Raffael Kuberczyk