Patents by Inventor Thibault Devreese

Thibault Devreese 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: 11942825
    Abstract: Systems and methods for cooling an electric motor in an electric drive unit are provided. In one example, the electric motor includes a stator and an inverter power module positioned within a motor housing. The inverter power module forms an interface with a peripheral surface of an outer section of stator laminations of the stator, and the stator laminations include a plurality of cutouts forming axially extending oil ducts.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: March 26, 2024
    Assignee: DANA AUTOMOTIVE SYSTEMS GROUP, LLC
    Inventors: Joachim Druant, Steven Vanhee, Thibault Devreese
  • Patent number: 11821505
    Abstract: Systems and methods for a sun gear, counter bearing parts, and bearing arrangements. The gear comprising a helical toothing and a first and a second thrust surface which are configured to axially support the sun gear at a first and a second counter thrust surface, respectively, wherein the first and the second thrust surface have a thrust generating geometry that is configured to build up a lubrication fluid film between the first thrust surface and the first counter thrust surface and between the second thrust surface and the second counter thrust surface during rotation of the sun gear. The counter bearing part for axially supporting a sun gear, and to a bearing arrangement for axially supporting a sun gear.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: November 21, 2023
    Assignee: Dana Belgium N.V.
    Inventor: Thibault Devreese
  • Publication number: 20230347734
    Abstract: Methods and systems for an electric axle assembly are provided herein. The electric axle assembly includes, in one example, an electric machine with a rotor shaft having an output gear thereon. The electric axle assembly further includes a planetary gearset with a carrier coupled to a pair of axle shafts, a first ring gear with external teeth that are rotationally coupled to the output gear; and a sun gear meshing with a plurality of planet gears that rotate on the carrier, where, in the axle assembly, internal teeth of the ring gear are rotationally coupled to the plurality of planet gears, and where, in the axle assembly, the sun gear or the carrier are grounded by a housing of the electric axle assembly.
    Type: Application
    Filed: June 21, 2023
    Publication date: November 2, 2023
    Inventor: Thibault DEVREESE
  • 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
  • Publication number: 20230261536
    Abstract: Methods and systems are provided to cool an electric machine. In one embodiment, an electric machine includes a rotor assembly that includes a rotor shaft and a stack of rotor laminations. The rotor assembly further includes one or more nozzles designed to receive pressurized coolant from a rotor shaft coolant passage and deliver the coolant to a set of open coolant channels in the stack of rotor laminations, wherein the set open coolant channels includes outlets that are profiled to direct the coolant towards a groove in a balancing plate that is coupled to the rotor assembly.
    Type: Application
    Filed: February 15, 2022
    Publication date: August 17, 2023
    Inventors: Steven VANHEE, Joachim DRUANT, Thibault DEVREESE, Carl TRUDEL, Luke MILLER, Jaywant S. PAWAR
  • Patent number: 11724593
    Abstract: Methods and systems for an electric axle assembly are provided herein. The electric axle assembly includes, in one example, an electric machine with a rotor shaft having an output gear thereon. The electric axle assembly further includes a planetary gearset with a carrier coupled to a pair of axle shafts, a first ring gear with external teeth that are rotationally coupled to the output gear; and a sun gear meshing with a plurality of planet gears that rotate on the carrier, where, in the axle assembly, internal teeth of the ring gear are rotationally coupled to the plurality of planet gears, and where, in the axle assembly, the sun gear or the carrier are grounded by a housing of the electric axle assembly.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: August 15, 2023
    Assignee: Dana Automotive Systems Group, LLC
    Inventor: Thibault Devreese
  • Publication number: 20230223801
    Abstract: Systems and methods for cooling an electric motor in an electric drive unit are provided. In one example, the electric motor includes a stator and an inverter power module positioned within a motor housing. The inverter power module forms an interface with a peripheral surface of an outer section of stator laminations of the stator, and the stator laminations include a plurality of cutouts forming axially extending oil ducts.
    Type: Application
    Filed: January 12, 2022
    Publication date: July 13, 2023
    Inventors: Joachim DRUANT, Steven VANHEE, Thibault DEVREESE
  • Publication number: 20230160464
    Abstract: Methods and systems are provided for integrating a gearbox and an electric motor in a same housing. In one example, a system may include enclosing a gearbox containing an idler gear configured to drive an accessory gear coupled to a differential.
    Type: Application
    Filed: November 24, 2021
    Publication date: May 25, 2023
    Inventor: Thibault DEVREESE
  • Publication number: 20230093220
    Abstract: Systems and methods for cooling an electric motor in an electric drive unit are provided. In one example, the electric drive unit includes electric motor with a housing with a water jacket arranged therein, a stator that includes a plurality of stator laminations positioned within the housing, and an oil inlet mounted to and extending through the housing. The plurality of stator laminations includes a radial opening that is designed to receive oil from the oil inlet and direct oil to one or more oil ducts that axially extend through at least a portion of the plurality of stator laminations.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 23, 2023
    Inventors: Steven VANHEE, Joachim DRUANT, Thibault DEVREESE, Luke MILLER
  • Publication number: 20230092822
    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: Application
    Filed: September 20, 2021
    Publication date: March 23, 2023
    Inventors: Thibault DEVREESE, Steven VANHEE, Joachim DRUANT
  • Publication number: 20230023920
    Abstract: Methods and systems for an electric axle assembly are provided herein. The electric axle assembly includes, in one example, an electric machine with a rotor shaft having an output gear thereon. The electric axle assembly further includes a planetary gearset with a carrier coupled to a pair of axle shafts, a first ring gear with external teeth that are rotationally coupled to the output gear; and a sun gear meshing with a plurality of planet gears that rotate on the carrier, where, in the axle assembly, internal teeth of the ring gear are rotationally coupled to the plurality of planet gears, and where, in the axle assembly, the sun gear or the carrier are grounded by a housing of the electric axle assembly.
    Type: Application
    Filed: July 20, 2021
    Publication date: January 26, 2023
    Inventor: Thibault DEVREESE
  • Publication number: 20230017636
    Abstract: Systems are provided for an electronic drive unit. In one example, the electronic drive unit comprises a cooling passage integrally arranged therein, wherein the cooling passage is sealed via laminations of the stator. The laminations are further shaped to jet oil from the cooling passage onto end-windings.
    Type: Application
    Filed: July 14, 2021
    Publication date: January 19, 2023
    Inventors: Steven VANHEE, Joachim DRUANT, Thibault DEVREESE
  • Publication number: 20220316575
    Abstract: Systems and methods for a sun gear, counter bearing parts, and bearing arrangements. The gear comprising a helical toothing and a first and a second thrust surface which are configured to axially support the sun gear at a first and a second counter thrust surface, respectively, wherein the first and the second thrust surface have a thrust generating geometry that is configured to build up a lubrication fluid film between the first thrust surface and the first counter thrust surface and between the second thrust surface and the second counter thrust surface during rotation of the sun gear. The counter bearing part for axially supporting a sun gear, and to a bearing arrangement for axially supporting a sun gear.
    Type: Application
    Filed: March 29, 2022
    Publication date: October 6, 2022
    Inventor: Thibault Devreese
  • Patent number: 11441653
    Abstract: Methods and systems are provided for integrating a gearbox into an electric motor. In one example, a system may include enclosing a gearbox containing a planetary gear set and a differential within an envelope of a rotor of the electric motor.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: September 13, 2022
    Assignee: Dana Automotive Systems Group, LLC
    Inventor: Thibault Devreese