Patents Assigned to Dana Automotive Systems Group, LLC.
  • Patent number: 11890930
    Abstract: Systems are provided for a differential of an electric powertrain. In one example, a system includes a portal axle coupled to only one side of a differential, the portal axle comprising a first axle and a second axle coaxial with one another.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: February 6, 2024
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventor: Al Jean-Francois
  • Patent number: 11891042
    Abstract: Methods and systems for operating a clutch of an axle are provided. In one example, the clutch may be characterized in static or dynamic conditions. The clutch characterization may be a basis for subsequently operating the clutch during gearbox shifting. In particular, an amount of torque that is transferred via the clutch may be controlled or adjusted according to the clutch characterization.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: February 6, 2024
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventors: Steven J. Wesolowski, Amar Nivarthi
  • Patent number: 11878577
    Abstract: An electric drive axle including a first shaft in driving engagement with an electric motor. A first gear and a second gear are coupled with the first shaft. A second shaft is disposed offset from the first shaft. A third gear is selectively coupled with the second shaft, and the third gear is meshed with the first gear. A fourth gear is selectively coupled with the second shaft, and the fourth gear is meshed with the second gear. A fifth gear is coupled with the second shaft and meshed with a sixth gear coupled with a differential case.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: January 23, 2024
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventor: Eric M. Engerman
  • Patent number: 11870302
    Abstract: Methods and systems are provided for operating an electric motor including multiple rotor and stator sections. In one example, a system may include the multiple rotor sections configured to be mechanically coupled and decoupled from each other concurrently with multiple stator sections configured to be electrically coupled and decoupled from each other, within certain regimes of operation of the electric motor.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: January 9, 2024
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventors: Joachim Druant, Steven Vanhee
  • Patent number: 11833898
    Abstract: Methods and systems are provided for a vehicle system. In one example, the vehicle system includes a first electric drive axle assembly and a second electric drive axle assembly. Each of the first and second axle assemblies has a gear train with a planetary gear set axially offset from a motor-generator and each planetary gear set is rotationally coupled to a differential.
    Type: Grant
    Filed: January 11, 2023
    Date of Patent: December 5, 2023
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventor: Eric M. Engerman
  • Patent number: 11808342
    Abstract: An article of manufacture is provided having a differential carrier, the differential carrier including a forward surface having an input, the forward surface including a plurality of vertical ribs. In an example, the differential carrier may be used in a vehicle system for a rear differential of a drivetrain of the vehicle.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: November 7, 2023
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventors: Dakota Rene Dawson, Steven Thomas Byrne
  • Patent number: 11808321
    Abstract: An apparatus for correcting an imbalance in a rotating shaft along with a method for correcting the imbalance in a rotating shaft is identified. The apparatus includes a joint assembly having a first joint member that is drivingly connected to a second joint member by one or more third joint members. At least a portion of a first shaft may be drivingly connected to at least a portion of the first joint member and at least a portion of a second shaft may be drivingly connected to at least a portion of a second end portion of the second join member. A boot can may be connected to at least a portion of a first end portion of the second joint member. One or more balancing elements may then be connected to at least a portion of the boot can and/or the second joint member of the joint assembly.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: November 7, 2023
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventors: Jose P. Da Silva, Jeffrey A. Dutkiewicz, Jeremy A. Rapp
  • Patent number: 11804081
    Abstract: Methods and systems for operating axles of a vehicle are provided. In one example, an apparatus is configured to consume a first amount of electric power to indicate a first axle operating state. The apparatus is also configured to consume a second amount of electric power to indicate a second axle operating state.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: October 31, 2023
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventors: Casey R. Lofthouse, Justin S. Davis
  • Patent number: 11802597
    Abstract: Methods and systems are provided for a differential disconnect assembly of a vehicle, the differential disconnect assembly including a dog clutch used to engage and disengage a gear of a differential of the vehicle from a transmission of the vehicle. In one example, a method for operating a dog clutch comprises de-energizing a solenoid coupled to the dog clutch to initiate dog clutch disengagement; and during disengagement of the dog clutch when a return spring coupled to a first toothed interface of the dog clutch applies a first force on the first toothed interface in a first direction away from a second toothed interface, transiently re-energizing the solenoid that applies a second force to the first toothed interface in a second direction which is opposite the first direction.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: October 31, 2023
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventor: Sagar B. Bangar
  • Patent number: 11799362
    Abstract: Various methods and systems are provided for a system for cooling an electric motor. The cooling system includes a primary coolant passage through a rotor shaft linked to a plurality of secondary passages though lamination stacks of a rotor configured to receive coolant at a central region of the lamination stacks.
    Type: Grant
    Filed: September 20, 2021
    Date of Patent: October 24, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventors: Thibault Devreese, Steven Vanhee, Joachim Druant
  • Patent number: 11794572
    Abstract: Methods and systems for an electric drive axle of a vehicle are provided. An electric drive axle system includes, in one example, an electric motor-generator rotationally coupled to a gear train. The gear train includes an output shaft rotationally coupled to a gear assembly axially offset from an input shaft rotationally coupled to the electric motor-generator, where the gear assembly is rotationally coupled to a differential and the differential is rotationally coupled to an axle, a first clutch assembly is configured to rotationally couple and decouple a first gear set from the output shaft, and a second clutch assembly is configured to rotationally couple and decouple a second gear set from the output shaft, the second gear set having a different gear ratio than the first gear set.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: October 24, 2023
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventor: Eric M. Engerman
  • Patent number: 11781647
    Abstract: Methods and systems for hydraulic actuation of axle system components are provided. A hydraulic system in an electric axle, is provided in one example, which includes a housing with a plurality of sections that enclose an electric motor and a gearbox, the system further includes a hydraulic pump that is coupled to the housing and configured to supply pressurized fluid to a solenoid valve through a plurality of fluid passages. The hydraulic system further includes a clutch in the gearbox configured to receive the pressurized fluid from the solenoid valve through a hydraulic passage internally routed through the housing.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: October 10, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventor: Thomas M. O'Neil
  • Patent number: 11773978
    Abstract: A leak-proof sealing system is provided for sealing combustion chambers of an automotive engine.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: October 3, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventor: Martin Mockenhaupt
  • Patent number: 11773957
    Abstract: Systems are provided for a gear set housing. In one example, a system comprises a gear box housing configured to house a four stage gear set in combination with a shift actuator and a differential lock, wherein the four stage gear set comprises an input shaft, a first layshaft, a second layshaft, and an output shaft.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: October 3, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventors: John Paoff, Seth Metzger, Brian Thisse
  • Patent number: 11777160
    Abstract: A battery coolant heater assembly including a coolant manifold having liquid coolant pathways and a heat transfer surface for transferring heat to liquid coolant flowable within the coolant manifold, an electric heater element thermally contacted to the heat transfer surface of the manifold, and a cover sealably enclosing the heating element between the heat transfer surface and the cover via a gasket. The electric heater element is electrically connected via an electrical connector extending through and formed integrally with the gasket.
    Type: Grant
    Filed: January 12, 2023
    Date of Patent: October 3, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventors: Timothy W. Daughrity, Christopher M. Cook
  • Patent number: 11767893
    Abstract: Methods and systems are provided for sensing a clutch position. In one example, a method may include generating a single output signal by combining at least an output of a first sensor and an output of a second sensor output, the first sensor and second sensor connected in parallel, and the first sensor and the second sensor sensing a common moving element of a clutch. In one example, the method may further include a first sensor output and a second sensor output provided on a common sensor bus. As another example, the first sensor output may be a master pulse width modulation output, and the second sensor output follows a modulation frequency of the first sensor output.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: September 26, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventors: Perry M. Paielli, Justin S. Davis, Terry W. McGraner, Sagar B. Bangar, Michael Z. Creech
  • Patent number: 11752861
    Abstract: Methods and systems for an electric drive axle of a vehicle are provided. A gear train in an electric drive axle system includes, in one example, an input shaft configured to rotationally couple to an electric motor-generator and including a first gear and an intermediate shaft including a second gear rotationally coupled to the first gear and a third gear and a fourth gear each configured to rotationally couple to a separate gear on an output shaft. In this example, the second gear, the third gear, and the fourth gear have different sizes, the third gear includes an axial extension having at outer surface, and an interior surface of the second gear circumferentially surrounds at least a portion of the outer surface of the axial extension.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: September 12, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventor: Eric M. Engerman
  • Patent number: 11746873
    Abstract: Methods and systems for a locking differential are provided. The locking differential system includes an electromagnetic solenoid actuator designed to induce locking and unlocking of the differential and a circuit board assembly designed to programmatically control the locking and unlocking functionality. The circuit board assembly includes a sensor and control circuity enclosed in a continuous sealed enclosure, the sensor extends down the face of a coil assembly in the solenoid.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: September 5, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventors: Perry M. Paielli, Michael Z. Creech, Sagar B. Bangar
  • Patent number: 11745795
    Abstract: A steer axle assembly for an axle including a first steering component, a second steering component, and a movable joint assembly coupled to the first steering component and the second steering component. The movable joint is configured for axial movement and rotational movement to provide for relative movement between the first and second steering components. The first steering component is produced from a first material having a first coefficient of thermal expansion. The second steering component is produced from a second material having a second coefficient of thermal expansion, wherein the second coefficient of thermal expansion is different from the first coefficient of thermal expansion.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: September 5, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventors: Nicholas J. Foti, Ali Mousavi Saeedy, Rachel C. Doctor
  • Patent number: 11732802
    Abstract: A sealing system for an engine comprising a single layer of sheet material, the sheet having an upper surface adapted to sealably contact a first engine component and a lower surface adapted to sealably contact a second engine component, and bead portions profiled on the gasket, where the gasket profile is optimized with varying heights and widths so as to create portions of varying stiffness adjacent to one another. The bead portions are profiled so as to be concentric with a combustion or cylinder chamber of the engine, and the bead portions include a portion of high stiffness adjacent to a portion of high recovery, the portion of high stiffness having a sharper angle protruding away from the plane comprising the single layer gasket than for the adjacent portion of high recovery. The optimized profile allows use of single layer gaskets to replace multiple layer gaskets.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: August 22, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventors: Martin Mockenhaupt, Shaleena Daisy, Jason M. Tyrus