Patents by Inventor Theodor Gassmann

Theodor Gassmann 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: 20200256465
    Abstract: In the case of an axle drive unit with a power-shiftable two-speed transmission unit, in order to enable particularly simple and advantageous control of a gear change and to manage with a small number of components and a less complex control logic and control sensor system, the coordination of mechanically-passively implemented shifting thresholds of a friction clutch and a blocking device of a freewheel is provided, which makes it possible to control the friction clutch and the blocking device with the same control variable at always the same level.
    Type: Application
    Filed: September 5, 2017
    Publication date: August 13, 2020
    Inventors: Theodor Gassmann, Dirk Güth, Jan Haupt
  • Patent number: 10688858
    Abstract: A transmission arrangement for a hybrid vehicle has an internal combustion engine and an electric machine. A first drive torque of the internal combustion engine and a second drive torque of the electric machine are transmissible to at least one drive shaft of the hybrid vehicle by the transmission arrangement. The transmission arrangement comprises a first planetary transmission with first components including a first sun gear, first ring gear and first planet carrier. A third drive torque is transmissible to a second planet carrier of a second planetary transmission by the first planet carrier. The second planetary transmission has second components including a second planet carrier, second sun gear and third sun gear. The second sun gear meshes with a first toothing of a second planet gear. The third sun gear meshes with a second toothing of the second planet gear. A drive shaft of the hybrid vehicle is driveable by the third sun gear.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: June 23, 2020
    Assignee: GKN Automotive Ltd.
    Inventors: Theodor Gassmann, Jan Haupt, Moritz Abbenhaus, Sven Herber, Wolfgang Hildebrandt
  • Patent number: 10508737
    Abstract: A multi-step transmission for a motor vehicle comprises an input shaft, an output shaft, a first transmission stage and a second transmission stage, a clutch which can be transferred into three clutch positions to drivingly connect the input shaft and the output shaft with each other or disconnect them from each other; and an actuating assembly with a setting element that is movable in three setting positions and is connected to a movable clutch part of the clutch, wherein the actuating assembly comprises first and second electromagnetically operable actuators which can be operated independently from one another and which jointly act on the setting element such that the setting element can be transferred by the first and the second actuator into the three setting positions. An electric drive can have such a multi-step transmission.
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: December 17, 2019
    Assignee: GKN Automotive Ltd.
    Inventor: Theodor Gassmann
  • Publication number: 20190226565
    Abstract: A differential transmission for transmitting a torque to an axle of a motor vehicle, has at least one driveshaft and at least one output shaft, which are connectable in torque-transmitting manner via a clutch within a housing of the differential transmission, wherein the clutch is actuatable via an actuating device, wherein the actuating device is mounted on the housing, wherein the at least one output shaft is mounted in a rotatable manner via a bearing, wherein the bearing is mounted on the actuating device; wherein a stop is arranged on the at least one output shaft such that an actuating force that is provided for actuating the clutch and acts at least in an axial direction is supported on the stop at least via the actuating device and the bearing.
    Type: Application
    Filed: July 14, 2016
    Publication date: July 25, 2019
    Inventor: Theodor Gassmann
  • Publication number: 20190225070
    Abstract: A transmission arrangement for a hybrid vehicle has an internal combustion engine and an electric machine. A first drive torque of the internal combustion engine and a second drive torque of the electric machine are transmissible to at least one drive shaft of the hybrid vehicle by the transmission arrangement. The transmission arrangement comprises a first planetary transmission with first components including a first sun gear, first ring gear and first planet carrier. A third drive torque is transmissible to a second planet carrier of a second planetary transmission by the first planet carrier. The second planetary transmission has second components including a second planet carrier, second sun gear and third sun gear. The second sun gear meshes with a first toothing of a second planet gear. The third sun gear meshes with a second toothing of the second planet gear. A drive shaft of the hybrid vehicle is driveable by the third sun gear.
    Type: Application
    Filed: November 4, 2016
    Publication date: July 25, 2019
    Applicant: GKN Automotive Ltd.
    Inventors: Theodor GASSMANN, Jan HAUPT, Moritz ABBENHAUS, Sven HERBER, Wolfgang HILDEBRANDT
  • Patent number: 10320277
    Abstract: An electric drive assembly for a motor vehicle comprises a high-speed electric machine with a nominal rotational speed of at least 20,000 revolutions per minute and with a high-speed rotor that can be used as a flywheel mass for storing kinetic energy; a superimposed transmission having a drive element, a regulating element and a driven element, wherein the drive element is drivable by an electric machine around a drive axis, wherein the regulating element is rotatable around a regulating axis and wherein the driven element is drivingly connected to the regulating element and the drive element; an electromagnetic regulating device having a stator and a rotor that is connected to the regulating element in a rotationally fixed way, wherein by means of magnetic forces acting in the circumferential direction between the stator and the rotor, a regulating moment can be transmitted to the rotor, wherein the magnetic forces are variably adjustable.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: June 11, 2019
    Assignee: GKN Automotive Ltd.
    Inventor: Theodor Gassmann
  • Publication number: 20190085976
    Abstract: A multi-step transmission for a motor vehicle comprises an input shaft, an output shaft, a first transmission stage and a second transmission stage, a clutch which can be transferred into three clutch positions to drivingly connect the input shaft and the output shaft with each other or disconnect them from each other; and an actuating assembly with a setting element that is movable in three setting positions and is connected to a movable clutch part of the clutch, wherein the actuating assembly comprises first and second electromagnetically operable actuators which can be operated independently from one another and which jointly act on the setting element such that the setting element can be transferred by the first and the second actuator into the three setting positions. An electric drive can have such a multi-step transmission.
    Type: Application
    Filed: February 29, 2016
    Publication date: March 21, 2019
    Inventor: Theodor Gassmann
  • Patent number: 10094461
    Abstract: A transmission assembly for an electric drive for a motor vehicle comprises a first transmission unit having a drive gear and a driven gear; a second transmission unit which is drivingly connected to the first transmission unit and which features a transmission speed reduction ratio i2; a third transmission unit which is drivingly connected to the second transmission unit and which transmits an introduced torque from an input part to two output parts; wherein the second transmission unit comprises a planetary gearing with a planetary gear, a planetary carrier, a first sun gear and a second sun gear, wherein the planetary gear engages the first sun gear and the second sun gear, wherein the first sun gear is at least rotatably supportable relative to a stationary component and wherein the second sun gear is drivingly connected to the input part of the third transmission unit. An electric drive assembly can have such a transmission assembly.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: October 9, 2018
    Assignee: GKN Automotive Ltd.
    Inventor: Theodor Gassmann
  • Patent number: 9951850
    Abstract: A drive assembly for a motor vehicle has a multi-step transmission and a differential drive. The multi-step transmission comprises a rotatingly drivable driveshaft and an intermediate shaft parallel to the driveshaft, and at least one first transmission stage and a second transmission stage for transmitting torque from the driveshaft to the intermediate shaft with different transmission ratios, as well as a shift unit, wherein the intermediate shaft comprises an output gear for transmitting torque to a differential carrier of the differential drive, wherein a rotational axis of the differential carrier extends parallel to the intermediate shaft, wherein the output gear and the shift unit are arranged axially between the at least two transmission stages, and wherein the driveshaft comprises bores for supplying lubricant.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: April 24, 2018
    Assignee: GKN Automotive Limited
    Inventors: Fred Kramer, Mark Schmidt, Ralph Mertens, Thomas Altenrath, Jiri Marks, Theodor Gassmann
  • Publication number: 20180051788
    Abstract: A transmission assembly for an electric drive for a motor vehicle comprises a first transmission unit having a drive gear and a driven gear; a second transmission unit which is drivingly connected to the first transmission unit and which features a transmission speed reduction ratio i2; a third transmission unit which is drivingly connected to the second transmission unit and which transmits an introduced torque from an input part to two output parts; wherein the second transmission unit comprises a planetary gearing with a planetary gear, a planetary carrier, a first sun gear and a second sun gear, wherein the planetary gear engages the first sun gear and the second sun gear, wherein the first sun gear is at least rotatably supportable relative to a stationary component and wherein the second sun gear is drivingly connected to the input part of the third transmission unit. An electric drive assembly can have such a transmission assembly.
    Type: Application
    Filed: March 10, 2016
    Publication date: February 22, 2018
    Inventor: Theodor Gassmann
  • Publication number: 20180013338
    Abstract: An electric drive assembly for a motor vehicle comprises a high-speed electric machine with a nominal rotational speed of at least 20,000 revolutions per minute and with a high-speed rotor that can be used as a flywheel mass for storing kinetic energy; a superimposed transmission having a drive element, a regulating element and a driven element, wherein the drive element is drivable by an electric machine around a drive axis, wherein the regulating element is rotatable around a regulating axis and wherein the driven element is drivingly connected to the regulating element and the drive element; an electromagnetic regulating device having a stator and a rotor that is connected to the regulating element in a rotationally fixed way, wherein by means of magnetic forces acting in the circumferential direction between the stator and the rotor, a regulating moment can be transmitted to the rotor, wherein the magnetic forces are variably adjustable.
    Type: Application
    Filed: January 29, 2016
    Publication date: January 11, 2018
    Inventor: Theodor Gassmann
  • Publication number: 20170175863
    Abstract: A drive assembly for a motor vehicle has a multi-step transmission and a differential drive. The multi-step transmission comprises a rotatingly drivable driveshaft and an intermediate shaft parallel to the driveshaft, and at least one first transmission stage and a second transmission stage for transmitting torque from the driveshaft to the intermediate shaft with different transmission ratios, as well as a shift unit, wherein the intermediate shaft comprises an output gear for transmitting torque to a differential carrier of the differential drive, wherein a rotational axis of the differential carrier extends parallel to the intermediate shaft, wherein the output gear and the shift unit are arranged axially between the at least two transmission stages, and wherein the driveshaft comprises bores for supplying lubricant.
    Type: Application
    Filed: March 31, 2015
    Publication date: June 22, 2017
    Inventors: Fred Kramer, Mark Schmidt, Ralph Mertens, Thomas Altenrath, Jiri Marks, Theodor Gassmann
  • Patent number: 9643490
    Abstract: The invention elates to an electric drive assembly for a multi-axle driven motor vehicle which comprises an internal combustion engine, a multi-step transmission with an output shaft for driving a rear axle, as well as an optionally driveable front axle. The drive assembly comprises an electric machine (6), a reduction gearing (7) drivingly connected to the electric machine (6), a driveshaft (9) drivingly connected to the reduction gearing (7) and drivingly connectable to a front propeller shaft (65) for driving the front axle, and a housing 5 in which the electric machine (6) and the reduction gearing (7) are arranged. The housing (5) comprises connecting means (16) for connecting the drive assembly (2) to the multi-step transmission. The electric drive assembly is designed such that, with the electric drive assembly mounted at the multi-step transmission (56), a rear propeller shaft (57) can be connected at least indirectly to the output shaft of the multi-step transmission for driving the rear axle.
    Type: Grant
    Filed: February 1, 2013
    Date of Patent: May 9, 2017
    Assignee: GKN Driveline International GmbH
    Inventors: Theodor Gassmann, Michael Schwekutsch, Mark Schmidt
  • Patent number: 9435415
    Abstract: An electric drive for a motor vehicle comprises a first gear stage, driveable by the electric motor, a second gear stage, driveable by the first gear stage, and a differential drive, driveable by the second gear stage. The first gear stage has a driving wheel and an output wheel, wherein the driving wheel is arranged coaxially to the output shaft of the electric motor and is rotatingly driveable by the electric motor around a first rotational axis A. The output wheel is drivingly connected to the driving wheel and is rotatingly driveable around a second rotational axis B, wherein the second rotational axis B is arranged parallel off-set to the first rotational axis A. The second gear stage and the differential drive are arranged coaxially to the second rotational axis B.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: September 6, 2016
    Assignee: GKN Driveline International GmbH
    Inventor: Theodor Gassmann
  • Publication number: 20150226296
    Abstract: An electric drive for a motor vehicle comprises a first gear stage, driveable by the electric motor, a second gear stage, driveable by the first gear stage, and a differential drive, driveable by the second gear stage. The first gear stage has a driving wheel and an output wheel, wherein the driving wheel is arranged coaxially to the output shaft of the electric motor and is rotatingly driveable by the electric motor around a first rotational axis A. The output wheel is drivingly connected to the driving wheel and is rotatingly driveable around a second rotational axis B, wherein the second rotational axis B is arranged parallel off-set to the first rotational axis A. The second gear stage and the differential drive are arranged coaxially to the second rotational axis B.
    Type: Application
    Filed: April 23, 2015
    Publication date: August 13, 2015
    Inventor: Theodor Gassmann
  • Patent number: 9039559
    Abstract: An electric drive for a motor vehicle comprising an electric motor and a drive unit is disclosed. The drive unit has a first gear stage, driveable by the electric motor, a second gear stage, driveable by the first gear stage, and a differential drive, driveable by the second gear stage. The first gear stage has a driving wheel and an output wheel, wherein the driving wheel is arranged coaxially to the output shaft of the electric motor and is rotatingly driveable by the electric motor around a first rotational axis A. The output wheel is drivingly connected to the driving wheel and is rotatingly driveable around a second rotational axis B, wherein the second rotational axis B is arranged parallel off-set to the first rotational axis A. The second gear stage and the differential drive are arranged coaxially to the second rotational axis B.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: May 26, 2015
    Assignee: GKN Driveline International GmbH
    Inventor: Theodor Gassmann
  • Patent number: 9028357
    Abstract: A power transfer unit assembly for a vehicle. The power transfer unit includes a housing, an internal variable speed differential positioned within the housing, a first front side shaft rotatively connected to the differential, a second front side shaft rotatively connected to the differential, an input shaft interconnected to at least one of the first and second side shafts, and at least one shifting mechanism for engaging at least one of the first and second shafts with at least one mode selection gear set. Engagement of the mode selection gear set transfers torque through the input shaft to selectively engage with a second gear set interconnected to a power transfer final drive unit assembly having an internal variable speed differential.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: May 12, 2015
    Assignee: GKN Driveline North America, Inc.
    Inventors: Brent Michael Peura, Robert Genway-Haden, Theodor Gassmann, Mark Schmidt, Michael Schwekutsch
  • Patent number: 8992366
    Abstract: An electric drive for a motor vehicle is disclosed that comprises an electric motor and a drive unit drivable by the electric motor. The drive unit has a planetary drive and a differential drive 9, which are arranged coaxially to a rotational axis A. The planetary drive comprises a ring gear, a sun gear, a plurality of planet gears as well as a planet carrier. The ring gear is rotatingly driveable by the electric motor around the rotational axis A. The sun gear is supportable or supported relative to a stationary component against rotation. The planet carrier is connected to a differential carrier of the differential drive so as to transmit torque thereto. A motor vehicle with such an electric drive is also disclosed.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: March 31, 2015
    Assignee: GKN Driveline International GbmH
    Inventor: Theodor Gassmann
  • Publication number: 20150021112
    Abstract: The invention elates to an electric drive assembly for a multi-axle driven motor vehicle which comprises an internal combustion engine, a multi-step transmission with an output shaft for driving a rear axle, as well as an optionally driveable front axle. The drive assembly comprises an electric machine (6), a reduction gearing (7) drivingly connected to the electric machine (6), a driveshaft (9) drivingly connected to the reduction gearing (7) and drivingly connectable to a front propeller shaft (65) for driving the front axle, and a housing 5 in which the electric machine (6) and the reduction gearing (7) are arranged. The housing (5) comprises connecting means (16) for connecting the drive assembly (2) to the multi-step transmission. The electric drive assembly is designed such that, with the electric drive assembly mounted at the multi-step transmission (56), a rear propeller shaft (57) can be connected at least indirectly to the output shaft of the multi-step transmission for driving the rear axle.
    Type: Application
    Filed: February 1, 2013
    Publication date: January 22, 2015
    Inventors: Mark Schmidt, Theodor Gassmann, Michael Schwekutsch
  • Patent number: 8840506
    Abstract: A parking lock assembly for a motor vehicle is described that has at least one electrically drivable driving axle. The parking lock comprises an electric drive, a shaft which is arranged in the driveline of a motor vehicle and which is drivable by the electric drive, as well as a locking mechanism which is controllable in the locking sense in order to prevent a rotational movement of the shaft and which is controllable in the opening sense in order to release the shaft. The electric drive is controllable in order to transmit torque to the shaft if, in spite of the locking mechanism being controlled in the opening sense, the shaft is prevented from carrying out a rotational movement. Furthermore, a method of actuating such a parking lock assembly is described.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: September 23, 2014
    Assignee: GKN Driveline International GmbH
    Inventors: Michael Schwekutsch, Theodor Gassmann, Mark Schmidt