Patents by Inventor Wolfgang Rieger
Wolfgang Rieger 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: 11660949Abstract: 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: GrantFiled: November 22, 2021Date of Patent: May 30, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Timo Wehlen, Michael Roske, Sabine Sielemann, Wolfgang Rieger, Ulrich Kehr, Eckhardt Lübke
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Patent number: 11578794Abstract: 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: GrantFiled: December 28, 2021Date of Patent: February 14, 2023Assignee: ZF FRIEDRICHSHAFEN AGInventors: Michael Roske, Sabine Sielemann, Eckhardt Lübke, Stephan Scharr, Danny Grusser, Wolfgang Rieger, Ulrich Kehr, Timo Wehlen, Andreas Hölscher, Martin Jelinewski
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Patent number: 11534507Abstract: A removal device for removing at least one low-germ liquid from a conduit system is disclosed. The removal device comprises at least one removal connection piece. The removal device further comprises at least one coupling bend, which is detachably connected to the removal connection piece. At least one tube end of the removal connection piece protrudes into an interior of the coupling bend and is sterilizable with pure steam on its inner face, its outer face and its end face within the coupling bend.Type: GrantFiled: October 21, 2019Date of Patent: December 27, 2022Assignee: Hoffmann-La Roche Inc.Inventors: Volker Bendel, Matthias Laika, Wolfgang Rieger
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Publication number: 20220221046Abstract: 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: ApplicationFiled: December 28, 2021Publication date: July 14, 2022Inventors: Michael Roske, Sabine Sielemann, Eckhardt Lübke, Stephan Scharr, Danny Grusser, Wolfgang Rieger, Ulrich Kehr, Timo Wehlen, Andreas Hölscher, Martin Jelinewski
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Publication number: 20220219520Abstract: 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: ApplicationFiled: November 22, 2021Publication date: July 14, 2022Inventors: Timo Wehlen, Michael Roske, Sabine Sielemann, Wolfgang Rieger, Ulrich Kehr, Eckhardt Lübke
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Publication number: 20220146014Abstract: A valve drive device is provided, with a fluid-actuated valve drive (25) which includes a drive unit (23) which has a drive housing (27) which defines a housing interior (26) and in which a drive piston (28) of the drive member (24) is movably received and divides the housing interior (26) into two working chambers (29a, 29b), of which at least one can be subjected to fluid, with a force monitoring device (37) for monitoring the actuation force which is generated by fluid pressure and acts upon the drive piston (28), with a position monitoring device (60) for monitoring the position of the drive piston (28) and with an electronic control device (41) for controlling the valve drive (25) on the basis of the force and position data which is provided by the force monitoring device (37) and the position monitoring device (60).Type: ApplicationFiled: November 2, 2021Publication date: May 12, 2022Inventors: Wolfgang Rieger, Martin Eckert
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Patent number: 11254199Abstract: A transmission (G) includes an input shaft (GW1), an output shaft (GW2), an electric machine (EM), a plurality of planetary gear sets (P1-P3; 2P1-2P5), and gear-implementing shift elements (S1-S6; 2S1-2S5). Via engagement of a first of the gear-implementing shift elements (S1, 2S1), which is a force-locking shift element having a variable torque transmission capacity, the input shaft (GW1) and an element (E1, 22E1) of one of the planetary gear sets (P3; 2P4) can be brought into a fixed rotational speed relationship with respect to each other. Another element (E2, 22E2a, 22E2b) of one of the planetary gear sets (P1, 2P3, 2P5) is permanently connected to a rotor (R) of the electric machine (EM). By engaging an auxiliary shift element (ZS, 2ZSa, 2ZSb), which is a form-locking shift element, the rotor (R) and the input shaft (GW1) can be brought into a fixed rotational speed relationship with respect to each other.Type: GrantFiled: December 5, 2018Date of Patent: February 22, 2022Assignee: ZF FRIEDRICHSHAFEN AGInventors: Martin Brehmer, Stefan Beck, Anton Fritzer, Suryanto Hendrawan, Matthias Horn, Johannes Kaltenbach, Raffael Kuberczyk, Jens Moraw, Gerhard Niederbrucker, Martin Rattay, Matthias Reisch, Wolfgang Rieger, Thomas Rosemeier, Lara Ruth Turner, Bernd Unseld, Viktor Warth, Michael Wechs, Peter Ziemer, Oliver Bayer
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Patent number: 11143246Abstract: A connecting arrangement includes first and second idler gears (6, 7) arranged coaxially and connectable via an engagement unit. The engagement unit includes a coupling element coupled to the first idler gear (7) in a direction of rotation and axially movable between a home position and a coupling position. In the coupling position, the coupling element is coupled to the second idler gear (6) in addition to being coupled to the first idler gear (7) in the direction of rotation. In the home position, the coupling element and the second idler gear (6) are freely turnable with respect to each other. The first and second idler gears (6, 7) are helical-cut spur gears. The coupling element is guided in a helically extending guide (18) on the first idler gear (7) and, in the coupling position, engages into a helically extending engagement geometry (21) on the second idler gear (6).Type: GrantFiled: May 16, 2019Date of Patent: October 12, 2021Assignee: ZF FRIEDRICHSHAFEN AGInventors: Matthias Reisch, Wolfgang Rieger
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Publication number: 20210162984Abstract: A transmission (G) includes an input shaft (GW1), an output shaft (GW2), an electric machine (EM), a plurality of planetary gear sets (P1-P3; 2P1-2P5), and gear-implementing shift elements (S1-S6; 2S1-2S5). Via engagement of a first of the gear-implementing shift elements (51, 2S1), which is a force-locking shift element having a variable torque transmission capacity, the input shaft (GW1) and an element (E1, 22E1) of one of the planetary gear sets (P3; 2P4) can be brought into a fixed rotational speed relationship with respect to each other. Another element (E2, 22E2a, 22E2b) of one of the planetary gear sets (P1, 2P3, 2P5) is permanently connected to a rotor (R) of the electric machine (EM). By engaging an auxiliary shift element (ZS, 2ZSa, 2ZSb), which is a form-locking shift element, the rotor (R) and the input shaft (GW1) can be brought into a fixed rotational speed relationship with respect to each other.Type: ApplicationFiled: December 5, 2018Publication date: June 3, 2021Inventors: Martin Brehmer, Stefan Beck, Anton Fritzer, Suryanto Hendrawan, Matthias Horn, Johannes Kaltenbach, Raffael Kuberczyk, Jens Moraw, Gerhard Niederbrucker, Martin Rattay, Matthias Reisch, Wolfgang Rieger, Thomas Rosemeier, Lara Ruth Turner, Bernd Unseld, Viktor Warth, Michael Wechs, Peter Ziemer, Oliver Bayer
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Patent number: 10605337Abstract: 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: GrantFiled: March 19, 2018Date of Patent: March 31, 2020Assignee: ZF FRIEDRICHSHAFEN AGInventors: 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
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Publication number: 20200046863Abstract: A removal device for removing at least one low-germ liquid from a conduit system is disclosed. The removal device comprises at least one removal connection piece. The removal device further comprises at least one coupling bend, which is detachably connected to the removal connection piece. At least one tube end of the removal connection piece protrudes into an interior of the coupling bend and is sterilizable with pure steam on its inner face, its outer face and its end face within the coupling bend.Type: ApplicationFiled: October 21, 2019Publication date: February 13, 2020Inventors: Volker Bendel, Matthias Laika, Wolfgang Rieger
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Patent number: 10533643Abstract: 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: GrantFiled: March 19, 2018Date of Patent: January 14, 2020Assignee: ZF FRIEDRICHSHAFEN AGInventors: 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
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Publication number: 20190360535Abstract: A connecting arrangement includes first and second idler gears (6, 7) arranged coaxially and connectable via an engagement unit. The engagement unit includes a coupling element coupled to the first idler gear (7) in a direction of rotation and axially movable between a home position and a coupling position. In the coupling position, the coupling element is coupled to the second idler gear (6) in addition to being coupled to the first idler gear (7) in the direction of rotation. In the home position, the coupling element and the second idler gear (6) are freely turnable with respect to each other. The first and second idler gears (6, 7) are helical-cut spur gears. The coupling element is guided in a helically extending guide (18) on the first idler gear (7) and, in the coupling position, engages into a helically extending engagement geometry (21) on the second idler gear (6).Type: ApplicationFiled: May 16, 2019Publication date: November 28, 2019Inventors: Matthias Reisch, Wolfgang Rieger
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Patent number: 10436287Abstract: A multi speed transmission in planetary design for a vehicle, the transmission having a housing, a first shaft (1) as a drive (AN), a second shaft (2) as an output (Ab) axially parallel to the drive, three planetary gear sets (RS1, RS2, RS3), additional shafts (3-10), and six shifting elements (K1, K2, K3, K4, K5, B1) actuatable to realize several gear ratios. The transmission further includes machine elements (ST1, ST2) that transfer torque between the drive (AN) and the output (Ab). The first shaft (1) is connected to the planetary gear carrier (PT1) of the first planetary gear set (RS1) and is connectable at least to the sun gear (SR2) of the second planetary gear set (RS2) and to the ring gear (HR3) of the third planetary gear set (RS3). Additionally, the second shaft (2) is connected to the first machine element (ST1) and to the second machine element (ST2).Type: GrantFiled: January 22, 2014Date of Patent: October 8, 2019Assignee: ZF FRIEDRICHSHAFEN AGInventors: Stefan Beck, Christian Sibla, Wolfgang Rieger
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Publication number: 20190162274Abstract: A transmission for a motor vehicle having a first, a second, a third, a fourth, and a fifth shift element that are selectively actuated to couple a first and a second planetary gear set to each other while selecting different gears between an input shaft and an output shaft. The input shaft is rotationally fixable to a first element of the second planetary gear set via the first shift element and to a second element of the second planetary gear set via the second shift element. The first element of the second planetary gear set is rotationally fixable to a rotationally fixed component via the third shift element, and the second element of the second planetary gear set is rotationally fixable to the rotationally fixed component via the fourth shift element. Additionally, a third element of the second planetary gear set is rotationally fixed to the output shaft.Type: ApplicationFiled: March 27, 2017Publication date: May 30, 2019Inventors: Stefan Beck, Marc Seeberger, Michael Wechs, Wolfgang Rieger
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Publication number: 20190145499Abstract: A transmission for a motor vehicle having five shift elements, selective actuation of which couples first and second planetary gear sets together while selecting different gears between an input shaft and an output shaft. The input shaft is rotationally fixable to a first element of the first planetary gear set via the first shift element and to a third element of the second planetary gear set via the second shift element. The first element of the first planetary gear set is rotationally fixable to a rotationally fixed component via the third element, the third element of the second planetary gear set being rotationally fixable to the rotationally fixed component via the fourth shift element. A third element of the first planetary gear set is rotationally fixed to a first element of the second planetary gear set and is rotationally fixable to the rotationally fixed component via the fifth shift element.Type: ApplicationFiled: March 27, 2017Publication date: May 16, 2019Inventors: Stefan Beck, Marc Seeberger, Michael Wechs, Wolfgang Rieger
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Patent number: 10113616Abstract: A multi-speed transmission in planetary design for a vehicle having a transmission housing (10); a first shaft (1), the first shaft (1) being a drive (An); a second shaft (2), the second shaft (2) being an output (Ab); at least five planetary gear sets (RS1, RS2, RS3, RS4, RS5); at least seven additional shafts (3, 4, 5, 6, 7, 8, 9); and five shift elements (SE1, SE2, SE3, SE4, SE5). Through actuation of the shift elements, at least nine forward gears (G1, G2, G3, G4, G5, G6, G7, G8, G9) and at least one reverse gear (R) are realized. For the realization of each gear, two of the shift elements are open and at least three of the shift elements (SE1, SE2, SE3, SE4, SE5) are closed.Type: GrantFiled: July 22, 2014Date of Patent: October 30, 2018Assignee: ZF Friedrichshafen AGInventors: Stefan Beck, Christian Sibla, Wolfgang Rieger, Josef Haupt
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Publication number: 20180306280Abstract: A powershift-capable multi-stage transmission having multiple forward gear ratios and one reverse gear ratio, a drive shaft (1), an output shaft (2), two planetary gear sets (RS1, RS2) which are coupled or coupleable to one another and which have at least one first, second, and third transmission element (1.1, 2.1; 1.2, 2.2; 1.3, 2.3), and multiple shift elements (10, 20, 30, 40, 50, 60, 70) which are assigned to the planetary gear sets (RS1, RS2) and selective shifting of which gives rise to a transmission ratio between the drive shaft (1) and the output shaft (2). At least three of the shift elements (10, 20, 30, 40, 50, 60, 70) are brakes by which the first, second, or third transmission element (1.1, 2.1; 1.2, 2.2; 1.3, 2.3) of the planetary gear sets (RS1, RS2) can be braked directly or indirectly against a component (G) fixed with respect to a housing.Type: ApplicationFiled: October 4, 2016Publication date: October 25, 2018Inventors: Stefan Beck, Marc Seeberger, Michael Wechs, Wolfgang Rieger
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Publication number: 20180266525Abstract: 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: ApplicationFiled: March 19, 2018Publication date: September 20, 2018Inventors: 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
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Publication number: 20180266526Abstract: 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: ApplicationFiled: March 19, 2018Publication date: September 20, 2018Inventors: 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