Patents by Inventor LORENZO SERRAO

LORENZO SERRAO 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: 12358355
    Abstract: Systems and methods are provided for dual electric motor driveline control. In one example, an assembly comprises: a first electric motor directly coupled to a first output shaft, a second electric motor coaxially aligned with the first electric motor, a planetary gear set having a carrier connected to the first output shaft and the first electric motor, a ring gear connected to ground, and a sun gear connected to a second shaft, a first clutch for selectively coupling the second electric motor to the first electric motor via the carrier, and a second clutch for selectively coupling the second electric motor to the second shaft.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: July 15, 2025
    Assignee: DANA ITALIA S.R.L.
    Inventors: Piergiorgio Trinchieri, Marco Grassi, Lorenzo Serrao
  • Publication number: 20250155019
    Abstract: Methods and systems for a barrel cam actuator assembly. The barrel cam assembly, in one example, includes a barrel cam including a first track and a bearing that is positioned at a side of the barrel cam. The barrel cam assembly further includes a spring that are is positioned between a housing and the bearing, where the bearing and the spring are configured to provide axial compliance to the barrel cam.
    Type: Application
    Filed: November 14, 2023
    Publication date: May 15, 2025
    Inventors: Pier Paolo RINALDI, Giacomo FAGGIANI, Lorenzo SERRAO
  • Publication number: 20240359565
    Abstract: Methods and systems are provided for utilizing a parking brake in conjunction with negative torque from an electric motor during vehicle braking. In one example, a method may include applying the parking brake in conjunction with negative torque from the electric motor, until the vehicle speed reduces to a speed threshold, and then releasing the parking brake.
    Type: Application
    Filed: July 10, 2024
    Publication date: October 31, 2024
    Inventors: Nicola TESSARO, Lorenzo SERRAO
  • Patent number: 12115882
    Abstract: Methods and systems are provided for utilizing a parking brake in conjunction with negative torque from an electric motor during vehicle braking. In one example, a method may include applying the parking brake in conjunction with negative torque from the electric motor, until the vehicle speed reduces to a speed threshold, and then releasing the parking brake.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: October 15, 2024
    Assignee: DANA ITALIA S.R.L.
    Inventors: Nicola Tessaro, Lorenzo Serrao
  • Patent number: 11987305
    Abstract: A bogie axle assembly for a vehicle, in particular for an off-highway vehicle such as a forestry machine, the bogie axle assembly comprising: a rigid link arm; a first joint disposed on the link arm for pivotally coupling the link arm to a vehicle frame; a second joint disposed on the link arm, at a distance from the first joint; a bogie pivotally coupled to the link arm via the second joint; and a ground engaging structure comprising one or more wheels rotatably mounted on the bogie. The present disclosure further relates to a vehicle comprising said bogie axle assembly.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: May 21, 2024
    Assignee: DANA ITALIA S.R.L.
    Inventors: Lorenzo Serrao, Giulio Ornella, Nick Jeroen Josef Muylle
  • Patent number: 11945293
    Abstract: Methods and sysemteds for a driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: April 2, 2024
    Assignee: DANA ITALIA S.R.L.
    Inventors: Lorenzo Serrao, Filip Van Raepenbusch
  • Publication number: 20230373282
    Abstract: Systems and methods are provided for dual electric motor driveline control. In one example, an assembly comprises: a first electric motor directly coupled to a first output shaft, a second electric motor coaxially aligned with the first electric motor, a planetary gear set having a carrier connected to the first output shaft and the first electric motor, a ring gear connected to ground, and a sun gear connected to a second shaft, a first clutch for selectively coupling the second electric motor to the first electric motor via the carrier, and a second clutch for selectively coupling the second electric motor to the second shaft.
    Type: Application
    Filed: May 20, 2022
    Publication date: November 23, 2023
    Inventors: Piergiorgio TRINCHIERI, Marco GRASSI, Lorenzo SERRAO
  • Patent number: 11649608
    Abstract: A hydraulic circuit for an adaptive park braking system and method of operation thereof. The method of operating an adaptive park braking system includes providing a vehicle having a motor, a front axle system, a rear axle system, wherein the front axle system has one or more front axle braking systems and the rear axle system has one or more rear axle braking systems. Identifying when the vehicle is engaged in a digging operation. Disconnecting the front axle system or the rear axle system from driving engagement with the motor of the vehicle. Activating the one or more braking systems of the disconnect axle system to apply an amount of force to the disconnected axle system of the vehicle. Then applying an amount of torque with the motor to the axle system in driving engagement with the motor.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: May 16, 2023
    Assignee: DANA ITALIA S.R.L.
    Inventors: Ettore Cosoli, Matteo Grott, Davide Moser, Giulio Ornella, Mark M. Schneider, Lorenzo Serrao, Bernhard Vecchioni, Fabrizio Zendri
  • Publication number: 20220410720
    Abstract: Methods and systems are provided for utilizing a parking brake in conjunction with negative torque from an electric motor during vehicle braking. In one example, a method may include applying the parking brake in conjunction with negative torque from the electric motor, until the vehicle speed reduces to a speed threshold, and then releasing the parking brake.
    Type: Application
    Filed: June 29, 2021
    Publication date: December 29, 2022
    Inventors: Nicola TESSARO, Lorenzo SERRAO
  • Patent number: 11433956
    Abstract: The present disclosure relates to a vehicle, in particular an off-highway vehicle, comprising a first axle and a second axle and a sensor unit comprising at least one load sensor configured to produce a load sensor signal indicative of a load on at least one of the first axle and the second axle. The vehicle further comprises a movable weight configured to be moved relative to the first axle and to the second axle, an actuator system configured to move the movable weight relative to the first axle and to the second axle, and a control unit configured to control the actuator system based at least on the load sensor signal.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: September 6, 2022
    Assignee: DANA ITALIA S.R.L.
    Inventors: Josemir Calcagnotto Da Silva, Lorenzo Serrao
  • Publication number: 20220194195
    Abstract: Methods and sysemteds for a driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.
    Type: Application
    Filed: March 9, 2022
    Publication date: June 23, 2022
    Inventors: Lorenzo SERRAO, Filip VAN RAEPENBUSCH
  • Patent number: 11339811
    Abstract: The present disclosure relates to a hydraulic circuit, comprising: a hydraulic displacement unit for driving an implement; a hydraulic machine fluidly connected or selectively fluidly connected with the hydraulic displacement unit the hydraulic machine having a fixed hydraulic displacement; an electric machine drivingly engaged or selectively drivingly engaged with the hydraulic machine; a hydraulic pump fluidly connected or selectively fluidly connected with the hydraulic displacement unit, the hydraulic pump having a variable hydraulic displacement; and an electric motor drivingly engaged or selectively drivingly engaged with the hydraulic pump.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: May 24, 2022
    Assignee: DANA ITALIA S.R.L.
    Inventors: Matteo Stefani, Nicola Francesco Musciagna, Alessandro Sassi, Lorenzo Serrao
  • Patent number: 11318837
    Abstract: A driveline for a vehicle and its method of operating are described. The driveline may have a power source and a front axle assembly drivingly engaged or selectively drivingly engaged with the power source. The front axle assembly may have a front left half shaft, a front right half shaft, a front left torque transmission control mechanism configured to control the transmission of torque to the FL half shaft, and a front right torque transmission control mechanism configured to control the transmission of torque to the FR half shaft. The driveline may also have a rear axle assembly drivingly engaged or selectively drivingly engaged with the power source. The rear axle assembly may have a rear left half shaft, a rear right half shaft, a rear left torque transmission control mechanism configured to control the transmission of torque to the RL half shaft, a rear right torque transmission control mechanism configured to control the transmission of torque to the RR half shaft.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: May 3, 2022
    Assignee: DANA ITALIA S.R.L.
    Inventors: Andrea Bortoli, Giulio Ornella, Lorenzo Serrao, Fabrizio Zendri
  • Patent number: 11312218
    Abstract: The present document relates to a dual motor electric driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: April 26, 2022
    Assignee: DANA ITALIA S.R.L.
    Inventors: Lorenzo Serrao, Filip Van Raepenbusch
  • Patent number: 11242062
    Abstract: An electric driveline comprising an electric drive motor and a transmission, and a method of shifting gears therefor. The transmission comprises an output shaft, a synchronizer, preferably a hydraulically actuatable synchronizer, for selectively drivingly engaging the electric drive motor with the output shaft via either one of a first gear providing a first gear ratio ?1 between the electric drive motor and the output shaft, and a second gear providing a second gear ratio ?2 between the electric drive motor and the output shaft, and an electronic shift controller for controlling a gear shift from the first gear to the second gear. The electronic shift controller is configured to actuate the synchronizer to disengage the first gear and to engage the second gear, and to synchronize a motor speed of the electric drive motor with a target speed.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: February 8, 2022
    Assignee: DANA ITALIA S.R.L.
    Inventors: Lorenzo Serrao, Matteo Grott, Daniele Poletto, Luca Balboni
  • Publication number: 20210254642
    Abstract: The present disclosure relates to a hydraulic circuit comprising: a hydraulic displacement unit for driving an implement; a hydraulic machine fluidly connected or selectively fluidly connected with the hydraulic displacement unit the hydraulic machine having a fixed hydraulic displacement; an electric machine drivingly engaged or selectively drivingly engaged with the hydraulic machine; a hydraulic pump fluidly connected or selectively fluidly connected with the hydraulic displacement unit, the hydraulic pump having a variable hydraulic displacement; and an electric motor drivingly engaged or selectively drivingly engaged with the hydraulic pump.
    Type: Application
    Filed: June 14, 2019
    Publication date: August 19, 2021
    Inventors: Matteo STEFANI, Nicola Francesco MUSCIAGNA, Alessandro SASSI, Lorenzo SERRAO
  • Publication number: 20210086848
    Abstract: The present disclosure relates to a vehicle, in particular an off-highway vehicle, comprising a first axle and a second axle and a sensor unit comprising at least one load sensor configured to produce a load sensor signal indicative of a load on at least one of the first axle and the second axle. The vehicle further comprises a movable weight configured to be moved relative to the first axle and to the second axle, an actuator system configured to move the movable weight relative to the first axle and to the second axle, and a control unit configured to control the actuator system based at least on the load sensor signal.
    Type: Application
    Filed: September 23, 2020
    Publication date: March 25, 2021
    Inventors: Josemir CALCAGNOTTO DA SILVA, Lorenzo SERRAO
  • Publication number: 20210031774
    Abstract: An electric driveline comprising an electric drive motor and a transmission, and a method of shifting gears therefor. The transmission comprises an output shaft, a synchronizer, preferably a hydraulically actuatable synchronizer, for selectively drivingly engaging the electric drive motor with the output shaft via either one of a first gear providing a first gear ratio ?1 between the electric drive motor and the output shaft, and a second gear providing a second gear ratio ?2 between the electric drive motor and the output shaft, and an electronic shift controller for controlling a gear shift from the first gear to the second gear. The electronic shift controller is configured to actuate the synchronizer to disengage the first gear and to engage the second gear, and to synchronize a motor speed of the electric drive motor with a target speed.
    Type: Application
    Filed: January 15, 2019
    Publication date: February 4, 2021
    Inventors: Lorenzo SERRAO, Matteo GROTT, Daniele POLETTO, Luca BALBONI
  • Publication number: 20210031846
    Abstract: A bogie axle assembly for a vehicle, in particular for an off-highway vehicle such as a forestry machine, the bogie axle assembly comprising: a rigid link arm; a first joint disposed on the link arm for pivotally coupling the link arm to a vehicle frame; a second joint disposed on the link arm, at a distance from the first joint; a bogie pivotally coupled to the link arm via the second joint; and a ground engaging structure comprising one or more wheels rotatably mounted on the bogie. The present disclosure further relates to a vehicle comprising said bogie axle assembly.
    Type: Application
    Filed: January 31, 2019
    Publication date: February 4, 2021
    Inventors: Lorenzo SERRAO, Giulio ORNELLA, Nick Jeroen Josef MUYLLE
  • Publication number: 20200391582
    Abstract: The present document relates to a dual motor electric driveline, comprising: a transmission having an input and an output, a power take-off (PTO), a first electric motor drivingly engaged or selectively drivingly engaged with the input of the transmission, a second electric motor, a first clutching device, and a second clutching device, wherein the second electric motor is selectively drivingly engaged with the input of the transmission through the first clutching device, and wherein the second electric motor is selectively drivingly engaged with the PTO through the second clutching device. The present document further relates to a vehicle including said dual motor electric driveline, and to a method of controlling said dual motor electric driveline.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 17, 2020
    Inventors: Lorenzo SERRAO, Filip VAN RAEPENBUSCH