Patents by Inventor Dimitri Bassis

Dimitri Bassis 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: 20210242748
    Abstract: Methods and systems are provided for cooling an electric motor. In embodiments, the cooling jacket includes a helical channel having a coolant inlet and a coolant outlet. The pitch of the helical channel decreases along an axial dimension of the helical channel, such that the pitch, and thus the cross-sectional area available for flow of the coolant, is greatest at or near the coolant inlet and smallest at or near the coolant outlet. The cooling jacket also includes flow-through loops associated with the first and final turns of the helical channel to allow coolant to circulate about entry and exit portions of the motor multiple times.
    Type: Application
    Filed: February 3, 2020
    Publication date: August 5, 2021
    Inventors: Ming Fung Wong, Dimitri Bassis
  • Patent number: 10703201
    Abstract: A modular gearbox unit and drive system are provided. The modular gearbox unit and drive system may be part of a vehicle platform having multiple drivetrain mount areas including identical mount features disposed at each mount area. Each drivetrain mount area can receive a modular single-motor drive unit or a modular multiple-motor drive unit using the same mount or bolt pattern and features. These modular single-motor and multiple-motor drive units have a common bolt pattern and mating features that correspond to the mount features of the vehicle platform and/or vehicle frame. The modular gearbox unit and drive system allows a vehicle powertrain to be reconfigured, during or after assembly, quickly and easily using the same mount points.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 7, 2020
    Assignee: NIO USA, Inc.
    Inventor: Dimitri Bassis
  • Patent number: 10514088
    Abstract: A system and method for automatic oil exchange service for electric vehicle gearboxes. The system and method includes a mechanism for monitoring and reporting status of the oil change in the gearbox. This ensures that each oil change is kept track of, that the oil is the correct grade, and that the vehicle ends up with oil that has maximum properties, avoiding contamination and improving the life of the gearbox. The present invention may be integrated directly at the same place as an electric vehicle charging station, supercharger station, or at any battery swap station.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: December 24, 2019
    Assignee: NIO USA, Inc.
    Inventor: Dimitri Bassis
  • Patent number: 10486512
    Abstract: A compact side-by-side motor gearbox unit is provided. The motor gearbox unit includes two independent electric motors and gearboxes with motor drive shafts and gearbox power output shafts mounted in opposite directions, the motors are held in a shared housing. The drive shafts of each electric motor in the motor gearbox unit are offset from one another and not colinear with one another. The power output shafts of the gearboxes are aligned along a common power output axis providing a half-shaft connection to a drive wheel on one side of the motor gearbox unit and a different half-shaft connection to another drive wheel on the other side of the motor gearbox unit.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: November 26, 2019
    Assignee: NIO USA, Inc.
    Inventor: Dimitri Bassis
  • Patent number: 10436306
    Abstract: Methods and systems for controlling noise in multiple motor gearbox drive units having a common housing are provided. The disclosure describes adjusting an angular position of a drive element of a first motor drive unit relative to the angular position of a drive element of a second motor drive unit in a multiple motor gearbox drive unit. This adjustment to the relative angular position of the drive elements shifts the phase angle of noise sound waves generated by the first and second motor drive units in the multiple motor gearbox drive unit. In some cases, the phase angle shift causes a noise sound wave generated by the first motor drive unit to cancel a noise sound wave generated by the second motor drive unit thereby reducing the overall noise emitted from the common housing of the multiple motor gearbox drive unit while operating.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: October 8, 2019
    Assignee: NIO USA, Inc.
    Inventors: Dimitri Bassis, Brittany M. Repac
  • Publication number: 20190195288
    Abstract: A constant velocity joint for use in a vehicle and a method of mounting a constant velocity joint including a splined shaft. The constant velocity joint also includes an O-ring gland, an inner race, an outer race, rolling elements, and a boot. The splined shaft of the constant velocity joint transmits torque from a splined hub of a second rotating element.
    Type: Application
    Filed: December 27, 2017
    Publication date: June 27, 2019
    Inventor: Dimitri Bassis
  • Publication number: 20190186616
    Abstract: Methods and systems for controlling noise in multiple motor gearbox drive units having a common housing are provided. The disclosure describes adjusting an angular position of a drive element of a first motor drive unit relative to the angular position of a drive element of a second motor drive unit in a multiple motor gearbox drive unit. This adjustment to the relative angular position of the drive elements shifts the phase angle of noise sound waves generated by the first and second motor drive units in the multiple motor gearbox drive unit. In some cases, the phase angle shift causes a noise sound wave generated by the first motor drive unit to cancel a noise sound wave generated by the second motor drive unit thereby reducing the overall noise emitted from the common housing of the multiple motor gearbox drive unit while operating.
    Type: Application
    Filed: December 14, 2017
    Publication date: June 20, 2019
    Inventors: Dimitri Bassis, Brittany M. Repac
  • Publication number: 20190176618
    Abstract: A modular gearbox unit and drive system are provided. The modular gearbox unit and drive system may be part of a vehicle platform having multiple drivetrain mount areas including identical mount features disposed at each mount area. Each drivetrain mount area can receive a modular single-motor drive unit or a modular multiple-motor drive unit using the same mount or bolt pattern and features. These modular single-motor and multiple-motor drive units have a common bolt pattern and mating features that correspond to the mount features of the vehicle platform and/or vehicle frame. The modular gearbox unit and drive system allows a vehicle powertrain to be reconfigured, during or after assembly, quickly and easily using the same mount points.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 13, 2019
    Inventor: Dimitri Bassis
  • Patent number: 10260617
    Abstract: Packaging for transmissions with an epicyclic gearbox speed reducer and oil pump is provided. Packaging comprises an epicyclic/planetary gearbox or single stage gear reducer with a sun gear, ring unit, and one or more planetary gears on the ring unit, and an oil pump located inside the packaging. The oil pump may be driven directly by a carrier, or driven by a carrier using a gear stage set. This configuration provides a tighter packaging of the full assembly of an epicyclic/planetary gearbox for transmissions with an internal oil pump, which reduces the weight of the unit, provides lubrication, and avoids splashing. The pump packaging may also be particularly valuable for electric vehicle (“EV”) independent motor applications.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: April 16, 2019
    Assignee: NIO USA, Inc.
    Inventor: Dimitri Bassis
  • Publication number: 20190061504
    Abstract: A compact side-by-side motor gearbox unit is provided. The motor gearbox unit includes two independent electric motors and gearboxes with motor drive shafts and gearbox power output shafts mounted in opposite directions, the motors are held in a shared housing. The drive shafts of each electric motor in the motor gearbox unit are offset from one another and not colinear with one another. The power output shafts of the gearboxes are aligned along a common power output axis providing a half-shaft connection to a drive wheel on one side of the motor gearbox unit and a different half-shaft connection to another drive wheel on the other side of the motor gearbox unit.
    Type: Application
    Filed: August 29, 2017
    Publication date: February 28, 2019
    Inventor: Dimitri Bassis
  • Publication number: 20180112766
    Abstract: A system and method for automatic oil exchange service for electric vehicle gearboxes. The system and method includes a mechanism for monitoring and reporting status of the oil change in the gearbox. This ensures that each oil change is kept track of, that the oil is the correct grade, and that the vehicle ends up with oil that has maximum properties, avoiding contamination and improving the life of the gearbox. The present invention may be integrated directly at the same place as an electric vehicle charging station, supercharger station, or at any battery swap station.
    Type: Application
    Filed: November 30, 2016
    Publication date: April 26, 2018
    Applicant: NextEV USA, Inc.
    Inventor: Dimitri Bassis
  • Publication number: 20180112767
    Abstract: Packaging for transmissions with an epicyclic gearbox speed reducer and oil pump is provided. Packaging comprises an epicyclic/planetary gearbox or single stage gear reducer with a sun gear, ring unit, and one or more planetary gears on the ring unit, and an oil pump located inside the packaging. The oil pump may be driven directly by a carrier, or driven by a carrier using a gear stage set. This configuration provides a tighter packaging of the full assembly of an epicyclic/planetary gearbox for transmissions with an internal oil pump, which reduces the weight of the unit, provides lubrication, and avoids splashing. The pump packaging may also be particularly valuable for electric vehicle (“EV”) independent motor applications.
    Type: Application
    Filed: November 30, 2016
    Publication date: April 26, 2018
    Applicant: NextEV USA, Inc.
    Inventor: Dimitri Bassis
  • Publication number: 20150053031
    Abstract: A gear assembly can include a biasing apparatus, which can include a hydraulic biasing member. The biasing apparatus can be activated to urge a scissor gear tooth of a scissor gear toward a second gear tooth of a second gear. The urging of the scissor gear tooth toward the second gear tooth can close a backlash gap between a first gear tooth of a first gear and the second gear tooth of the second gear.
    Type: Application
    Filed: August 21, 2014
    Publication date: February 26, 2015
    Inventors: Michael A. Willcox, James M. Cleeves, Dimitri Bassis, Kyle Langlands
  • Patent number: D500767
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: January 11, 2005
    Assignee: Brumby Corporation Limited
    Inventors: Masaaki Yoshikawa, Osamu Goto, Paul Fricker, Luca Guerciotti, Dimitri Bassis, Yasuyuki Satoh, Hironao Takahashi, Stephen Harris, Lester Harris, Alessandro Giussani, Urs Jann