Dana Italia S.r.l.

Dana Italia Spa

Dana Belgium N.v.

Lorenzo Serrao

Giulio Ornella

Ettore Cosoli

Fabrizio Zendri

Filip Van Raepenbusch

Andrea Bortoli

Nicola Tessaro

Matteo Grott

Nick Jeroen Josef Muylle

Donald J Remboski

Timothy J Morscheck

Richard A Nellums

Piergiorgio Trinchieri

Alessandro Sassi

Nicola Francesco Musciagna

Carlos Maximiliano Giorgio Bort

Davide Moser

Luca Balboni

Alessandro Massei

Luca Gilardino

Matteo Stefani

Claudio Maffei

Carl Joris Dousy

Daniele Poletto

Francesco Achille

Josemir Calcagnotto Da Silva

Bernhard Vecchioni

Mark M Schneider

Marco Grassi

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.

Systems and methods for driveline control

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.

Method and system for vehicle braking

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.

Bogie axle assembly for a vehicle

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.

Dual motor electric driveline

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.

Hydraulic circuit for an adaptive park braking system and method of operation thereof

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.

Vehicle and method of controlling a load distribution of a vehicle

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.

Hydraulic circuit

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. The driveline may also have a control unit configured to independently control the FL torque transmission control mechanism, the FR torque transmission control mechanism, the RL torque transmission control mechanism, and the RR torque transmission control mechanism.

Driveline for a vehicle

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.

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 &#x3b3;between the electric drive motor and the output shaft, and a second gear providing a second gear ratio &#x3b3;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.

Electric driveline and method of shifting gears

A method and system of detecting an impending tip over of a vehicle with the following steps and apparatus. Acquiring first measurement data, the first measurement data having strain data and at least one of attitude data and acceleration data. Acquiring second measurement data, the second measurement data having strain data and at least one of attitude data and acceleration data. Determining, based on the first measurement data and based on the second measurement data, if the second measurement data is indicative of an impending tip over of the vehicle. Only if it is determined that the second measurement data is indicative of an impending tip over of the vehicle, triggering an alarm signal, overriding a control command or overwriting a control command.

System and method for detecting an impending tip over of a vehicle

A hydraulic hybrid powertrain for a vehicle is disclosed. The powertrain has an internal combustion engine selectively drivingly engaged with an input of a stepped-ratio transmission through a torque converter and through a speed direction changing device. An output of the stepped-ratio transmission is selectively drivingly engaged with a vehicle output. An intermediate gear set is drivingly engaged with the speed direction changing device and drivingly engaged with the input of the stepped-ratio transmission. A hydraulic machine in fluid communication with a hydraulic accumulator assembly, a transmission shaft of the hydraulic machine being drivingly engaged or selectively drivingly engaged with the intermediate gear set for providing energy to the intermediate gear set and for absorbing energy from the intermediate gear set. Also disclosed are methods of operating the hydraulic hybrid powertrain.

Hydraulic hybrid powertrain

A hybrid driveline which may be operated in a hydrostatic drive mode and a direct drive mode and a method of operating a hybrid driveline in a hydrostatic drive mode and a direct drive mode is provided. The hybrid driveline comprises a power source, a first hydrostatic unit drivingly engaged with the power source, a second hydrostatic unit selectively drivingly engaged with a vehicle output and in fluid communication with the first hydrostatic unit, an accumulator assembly in fluid communication with the first hydrostatic unit and the second hydrostatic unit, and a clutching device selectively drivingly engaged with the vehicle output and one of the first hydrostatic unit and the second hydrostatic unit. The hybrid driveline provides the benefits of a series hybrid arrangement and a parallel hybrid arrangement, reduces torque interruptions during operation and shifting procedures, and increases an efficiency of a vehicle the driveline is incorporated in.

Dual mode hybrid hydrostatic driveline

A hydrostatic driveline has a power source and a hydrostatic pump in driving engagement with the power source; a primary driveline shaft in driving engagement with the power source. The driveline also has a first transmission portion and a second transmission portion in driving engagement with the first transmission portion. A hydrostatic motor is in fluid communication with the hydrostatic pump and is in driving engagement with the first transmission portion. A vehicle output is in driving engagement with the second transmission portion. The primary driveline shaft is also in driving engagement with the second transmission portion. The hydrostatic driveline may be operated in a hydrostatic mode or in a direct drive mode using the primary driveline shaft and the second transmission portion.

Hydrostatic and direct drive transmission

A method of charging a hydro-pneumatic energy storage system is described. The system has a first hydro-pneumatic accumulator with a first hollow vessel. Disposed within the first hollow vessel is a first compressible volume containing a first amount of gas. The system has a second hydro-pneumatic accumulator with a second hollow vessel. Disposed within the second hollow vessel is a second compressible volume containing a second amount of gas. The gas contained in the first volume is pre-pressurized to a first hydrostatic pre-charge pressure and the gas contained in the second volume is pre-pressurized to a second hydrostatic pre-charge pressure. The second pre-charge pressure is higher than the first pre-charge pressure. In addition, the gas in the first volume is pressurized by discharging a non-compressible hydraulic fluid into the first vessel while keeping a quantity of non-compressible hydraulic fluid contained in the second vessel constant to keep the pressure of the gas contained in the second volume at the second pre-charge pressure.

Growing community of inventors

Nago-Torbole, Italy

Lorenzo Serrao