Patents by Inventor Andrew T. Brammer

Andrew T. Brammer 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: 12085162
    Abstract: An axle system is provided herein. In one example, the axle system includes a gearbox housing at least partially enclosing a gearbox and a planetary gearset that is rotationally coupled to an output of the gearbox and positioned co-axial with a rotational axis of an axle shaft in a differential. The planetary gearset includes a ring gear grounded by a planetary support that is attached to the gearbox housing.
    Type: Grant
    Filed: April 10, 2023
    Date of Patent: September 10, 2024
    Assignee: DANA HEAVY VEHICLE SYSTEMS GROUP, LLC
    Inventors: Nicholas W. Laforce, Andrew T. Brammer
  • Patent number: 12036866
    Abstract: Various methods and systems are provided for a drive arrangement for a vehicle including a housing, a double planetary gear set partially or fully contained within the housing, an input shaft selectively engaged with the double planetary gear set, a first clutch assembly coupled to the input shaft and selectively engaged with the double planetary gear set, a second clutch assembly coupled to the input shaft and selectively engaged with the double planetary gear set, and a sliding spline coupled to the input shaft and selectively engaged with the double planetary gear set. The double planetary gear set including a first sun gear, a second sun gear, a first set of planetary gears, a second set of planetary gears, a planetary gear carrier, and a ring gear, wherein components of the double planetary gear set are lockable thereby providing three different gear ratios.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: July 16, 2024
    Assignee: DANA HEAVY VEHICLE SYSTEMS GROUP, LLC
    Inventors: Andrew T. Brammer, Michael D. Cook
  • Patent number: 12017634
    Abstract: Methods and systems are provided for controlling a multi-axle assembly in a vehicle. The multi-axle assembly may be operated according to a requested mode, where the mode includes providing torque at one, two, or no axles of the multi-axle assembly, and the requested mode may be selected based on vehicle speed. In this way, operation of the multi-axle assembly may be adjusted according to a fuel efficiency of the vehicle while the vehicle is in motion.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: June 25, 2024
    Assignee: DANA HEAVY VEHICLE SYSTEMS GROUP, LLC
    Inventors: Steven Mastroianni, Andrew T. Brammer, Jeremy M. Frenznick
  • Patent number: 11971090
    Abstract: Various methods and systems are provided for a multi-speed electric axle assembly with three gear ratios. The multi-speed electric axle assembly includes one or more power supplies, one or more shafts operatively coupled to the one or more power supplies and a differential, and one or more Ravigneaux gear assemblies integrated with the one or more shafts. The one or more Ravigneaux gear assemblies of the multi-speed electric axle assembly providing the three gear ratios.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: April 30, 2024
    Assignee: DANA HEAVY VEHICLE SYSTEMS GROUP, LLC
    Inventors: Andrew T. Brammer, Michael D. Cook, Jordan M. Houser
  • Publication number: 20230264673
    Abstract: Methods and systems are provided for controlling a multi-axle assembly in a vehicle. The multi-axle assembly may be operated according to a requested mode, where the mode includes providing torque at one, two, or no axles of the multi-axle assembly, and the requested mode may be selected based on vehicle speed. In this way, operation of the multi-axle assembly may be adjusted according to a fuel efficiency of the vehicle while the vehicle is in motion.
    Type: Application
    Filed: May 1, 2023
    Publication date: August 24, 2023
    Inventors: Steven MASTROIANNI, Andrew T. BRAMMER, Jeremy M. FRENZNICK
  • Publication number: 20230250862
    Abstract: Various methods and systems are provided for a multi-speed electric axle assembly with three gear ratios. The multi-speed electric axle assembly includes one or more power supplies, one or more shafts operatively coupled to the one or more power supplies and a differential, and one or more Ravigneaux gear assemblies integrated with the one or more shafts. The one or more Ravigneaux gear assemblies of the multi-speed electric axle assembly providing the three gear ratios.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Inventors: Andrew T. BRAMMER, Michael D. COOK, Jordan M. HOUSER
  • Publication number: 20230243413
    Abstract: An axle system is provided herein. In one example, the axle system includes a gearbox housing at least partially enclosing a gearbox and a planetary gearset that is rotationally coupled to an output of the gearbox and positioned co-axial with a rotational axis of an axle shaft in a differential. The planetary gearset includes a ring gear grounded by a planetary support that is attached to the gearbox housing.
    Type: Application
    Filed: April 10, 2023
    Publication date: August 3, 2023
    Inventors: Nicholas W. LAFORCE, Andrew T. BRAMMER
  • Publication number: 20230234439
    Abstract: Methods and systems are provided for selectively engaging an electric machine to an electric axle of a vehicle. In one example, a method may include engaging or disengaging the electric machine to a differential of the electric-axle by adjusting pressure in a piston coupled to an axle shaft of the electric-axle via a disconnect clutch.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 27, 2023
    Inventors: Andrew T. BRAMMER, Mark LEBER, Benjamin J. PASSINO, George A. WILLFORD
  • Patent number: 11691612
    Abstract: Methods and systems are provided for controlling a multi-axle assembly in a vehicle. The multi-axle assembly may be operated according to a requested mode, where the mode includes providing torque at one, two, or no axles of the multi-axle assembly, and the requested mode may be selected based on vehicle speed. In this way, operation of the multi-axle assembly may be adjusted according to a fuel efficiency of the vehicle while the vehicle is in motion.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: July 4, 2023
    Assignee: Dana Heavy Vehicle Systems Group, LLC
    Inventors: Steven Mastroianni, Andrew T. Brammer, Jeremy M. Frenznick
  • Patent number: 11674566
    Abstract: Various methods and systems are provided for a multi-speed electric axle assembly with three gear ratios. The multi-speed electric axle assembly includes one or more power supplies, one or more shafts operatively coupled to the one or more power supplies and a differential, and one or more Ravigneaux gear assemblies integrated with the one or more shafts. The one or more Ravigneaux gear assemblies of the multi-speed electric axle assembly providing the three gear ratios.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: June 13, 2023
    Assignee: Dana Heavy Vehicle Systems Group, LLC
    Inventors: Andrew T. Brammer, Michael D. Cook, Jordan M. Houser
  • Patent number: 11655890
    Abstract: An axle system is provided herein. In one example, the axle system includes a gearbox housing at least partially enclosing a gearbox and a planetary gearset that is rotationally coupled to an output of the gearbox and positioned co-axial with a rotational axis of an axle shaft in a differential. The planetary gearset includes a ring gear grounded by a planetary support that is attached to the gearbox housing.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: May 23, 2023
    Assignee: Dana Heavy Vehicle Systems Group, LLC
    Inventors: Nicholas W. Laforce, Andrew T. Brammer
  • Patent number: 11642960
    Abstract: Methods and systems are provided for selectively engaging an electric machine to an electric axle of a vehicle. In one example, a method may include engaging or disengaging the electric machine to a differential of the electric-axle by adjusting pressure in a piston coupled to an axle shaft of the electric-axle via a disconnect clutch.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: May 9, 2023
    Assignee: Dana Heavy Vehicle Systems Group, LLC
    Inventors: Andrew T. Brammer, Mark Leber, Benjamin J. Passino, George A. Willford
  • Patent number: 11486478
    Abstract: Methods and systems are provided for an electric axle assembly. In one example, a system includes an electric axle assembly configured to receive an output of a ring gear, wherein a differential of the electric axle assembly distributes the output to wheels of a vehicle.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: November 1, 2022
    Assignee: Dana Heavy Vehicle Systems Group, LLC
    Inventors: Andrew T. Brammer, Michael D. Cook, Jordan M. Houser
  • Publication number: 20220268349
    Abstract: An axle system is provided herein. In one example, the axle system includes a gearbox housing at least partially enclosing a gearbox and a planetary gearset that is rotationally coupled to an output of the gearbox and positioned co-axial with a rotational axis of an axle shaft in a differential. The planetary gearset includes a ring gear grounded by a planetary support that is attached to the gearbox housing.
    Type: Application
    Filed: February 22, 2022
    Publication date: August 25, 2022
    Inventors: Nicholas W. LAFORCE, Andrew T. BRAMMER
  • Publication number: 20220258604
    Abstract: Methods and systems are provided for controlling a multi-axle assembly in a vehicle. The multi-axle assembly may be operated according to a requested mode, where the mode includes providing torque at one, two, or no axles of the multi-axle assembly, and the requested mode may be selected based on vehicle speed. In this way, operation of the multi-axle assembly may be adjusted according to a fuel efficiency of the vehicle while the vehicle is in motion.
    Type: Application
    Filed: February 12, 2021
    Publication date: August 18, 2022
    Inventors: Steven MASTROIANNI, Andrew T. BRAMMER, Jeremy M. FRENZNICK
  • Publication number: 20220009333
    Abstract: Various methods and systems are provided for a drive arrangement for a vehicle including a housing, a double planetary gear set partially or fully contained within the housing, an input shaft selectively engaged with the double planetary gear set, a first clutch assembly coupled to the input shaft and selectively engaged with the double planetary gear set, a second clutch assembly coupled to the input shaft and selectively engaged with the double planetary gear set, and a sliding spline coupled to the input shaft and selectively engaged with the double planetary gear set. The double planetary gear set including a first sun gear, a second sun gear, a first set of planetary gears, a second set of planetary gears, a planetary gear carrier, and a ring gear, wherein components of the double planetary gear set are lockable thereby providing three different gear ratios.
    Type: Application
    Filed: September 24, 2021
    Publication date: January 13, 2022
    Inventors: Andrew T. BRAMMER, Michael D. COOK
  • Patent number: 11198356
    Abstract: Various methods and systems are provided for a drive arrangement for a vehicle including a housing, a double planetary gear set partially or fully contained within the housing, an input shaft selectively engaged with the double planetary gear set, a first clutch assembly coupled to the input shaft and selectively engaged with the double planetary gear set, a second clutch assembly coupled to the input shaft and selectively engaged with the double planetary gear set, and a sliding spline coupled to the input shaft and selectively engaged with the double planetary gear set. The double planetary gear set including a first sun gear, a second sun gear, a first set of planetary gears, a second set of planetary gears, a planetary gear carrier, and a ring gear, wherein components of the double planetary gear set are lockable thereby providing three different gear ratios.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: December 14, 2021
    Assignee: Dana Heavy Vehicle Systems Group, LLC
    Inventors: Andrew T. Brammer, Michael D. Cook
  • Publication number: 20210347258
    Abstract: Methods and systems are provided for selectively engaging an electric machine to an electric axle of a vehicle. In one example, a method may include engaging or disengaging the electric machine to a differential of the electric-axle by adjusting pressure in a piston coupled to an axle shaft of the electric-axle via a disconnect clutch.
    Type: Application
    Filed: May 11, 2020
    Publication date: November 11, 2021
    Inventors: Andrew T. BRAMMER, Mark LEBER, Benjamin J. PASSINO, George A. WILLFORD
  • Publication number: 20210033179
    Abstract: Methods and systems are provided for an electric axle assembly. In one example, a system includes an electric axle assembly configured to receive an output of a ring gear, wherein a differential of the electric axle assembly distributes the output to wheels of a vehicle.
    Type: Application
    Filed: July 27, 2020
    Publication date: February 4, 2021
    Inventors: Andrew T. BRAMMER, Michael D. COOK, Jordan M. HOUSER
  • Publication number: 20200324639
    Abstract: Various methods and systems are provided for a drive arrangement for a vehicle including a housing, a double planetary gear set partially or fully contained within the housing, an input shaft selectively engaged with the double planetary gear set, a first clutch assembly coupled to the input shaft and selectively engaged with the double planetary gear set, a second clutch assembly coupled to the input shaft and selectively engaged with the double planetary gear set, and a sliding spline coupled to the input shaft and selectively engaged with the double planetary gear set. The double planetary gear set including a first sun gear, a second sun gear, a first set of planetary gears, a second set of planetary gears, a planetary gear carrier, and a ring gear, wherein components of the double planetary gear set are lockable thereby providing three different gear ratios.
    Type: Application
    Filed: April 8, 2020
    Publication date: October 15, 2020
    Inventors: Andrew T. BRAMMER, Michael D. COOK