Dana Belgium N.v.

Joachim Van Dingenen

Kurt Cattoor

Filip D Schacht

Bert Hannon

Jessica Versini

Tommy Van Acker

Hein Nevejant

Filip Van Raepenbusch

Jan A Bedert

Marc Van Tomme

Jan Markey

Dries Verstraete

Christophe De Buyser

Kurt D M Cattoor

Pauwel Coenen

Victor Barrios Gonzalez

Systems are provided for a clutch system. In one example, a system includes a shift rod comprising an axial channel, a shift fork, a first spring system arranged on a first side of the shift fork, and a second spring system arranged on a second side of the shift fork, the second side opposite the first side, wherein the axial channel is fluidly coupled to a cavity of the first spring system or the second spring system during an actuation of the shift rod and the shift fork.

Systems for a damping system

The present document relates to a support assembly for a torque converter reaction member, comprising a support member comprising an indentation and a shoulder portion, a retention member partially received in the indentation of the support member, at least one one-way clutch disposed on the support member and defining a rotation axis, and a sleeve member supported on the at least one one-way clutch. At least one of the at least one one-way clutch and the sleeve member is disposed at least partially axially in between the retention member and the shoulder portion of the support member and is axially supported on the retention member and on the shoulder portion of the support member. The present document further relates to a torque converter assembly including said support assembly.

One-way clutch layout for torque convertor

Systems and methods for an electric transmission system are herein provided. The electric transmission system, in one example, comprises an electric motor driving an input shaft, a first wet clutch position on a first end of a countershaft, and a second wet clutch positioned on a second end of the input shaft. The first wet clutch selectively engages the countershaft with a first clutch gear and the second wet clutch selectively engages the input shaft with second clutch gear. The input shaft meshes with the second clutch gear and the countershaft meshes with the first clutch gear. The electric transmission system further comprises an output shaft rotationally coupled to the countershaft.

Methods and systems of a two speed countershaft transmission

In one example, an assembly is provided comprising a transmission at least partially enclosed in a housing. The transmission includes a planetary gear set coupled to a multispeed sub-transmission. The planetary gear set is configured to be coupled to a first electric machine and an internal combustion engine on a first side, and configured to be coupled to a second electric machine on a second side, where the first side and the second are defined by a vertical plane that is perpendicular to a central axis of rotation of the planetary gear set. The first electric machine, the second electric machine, and the internal combustion engine are arranged outside of the housing.

Electric continuously variable transmission and methods therefor

A lubrication system for a rotating shaft having multiple channels is provided. In one example, the system includes a pump coupled to a central lubricant channel, the rotating shaft having a plurality of channels, an air intake channel positioned parallel to an axis of rotation of the rotating shaft, and a first orifice of a first channel of the plurality of channels, where the first orifice is positioned between the air intake channel and the central lubricant channel.

Multi-channel rotational shaft lubrication system

Methods and systems are provided for a transmission clutch. In one example, the clutch has a pressure control system that includes a piston housing enclosing a piston cavity and a piston, as well as a diffusor positioned in the piston cavity. The diffusor may have tangential channels for directing flow of a fluid into the piston cavity.

Wet clutch pressure control

Systems and methods for an electric powertrain. The method, in one example, includes responsive to receiving a shift command, engaging a second friction clutch while disengaging a first friction clutch to transition from a first operating gear ratio to a second operating gear ratio. The method, further includes during the gear ratio transition, operating a traction motor under a peak condition, the peak condition denotes a condition where the motor speed is greater than a maximum continuous torque curve of the motor.

Electric power shift transmission and power shift method

A dual-motor transmission therefor, comprising a first and a second electric traction motor, a first gear arrangement, a second gear arrangement, and a summation box. The first gear arrangement includes a shaft and at least a first gear and a second gear, wherein each of the first and the second gears can be selectively engaged and disengaged with the shaft via a clutch, and the first gear arrangement supplies a first torque from the first motor to the summation box. The second gear arrangement includes a shaft and at least a first gear, wherein the first gear can be engaged and disengaged with the shaft via a clutch, and the second gear arrangement supplies a second torque from the second motor to the summation box, and the summation box is configured to combine the first and second torques and to output a combined output torque.

Dual-motor electrical transmission and control method

A method and system for operating a transmission that includes a power take off is described. The transmission selectively delivers mechanical power to the power take off from one of two electric traction motors via selective engagement of either a first or a second power take off clutch based on drive mode. The transmission also allows for powershifting between a first and second operating gear.

Electric powershifting transmission with power take-off

An electric driveline system is provided. The electric driveline system includes a first electric machine and a second electric machine mechanically coupled to a transmission and a power take-off (PTO) assembly coupled to the first electric machine. The PTO assembly includes a first clutch coupled to a PTO gearset and designed to selectively disconnect a PTO from the first electric machine and the PTO gearset is mechanically coupled to the first electric machine.

Electric driveline system with power take-off and electric driveline system operating method

Systems and methods for an electric drive unit are provided. A transmission system in an electric drive unit, in one example includes an input shaft rotationally coupled to each of a first electric machine and a second electric machine and a first clutch arranged coaxial to a first countershaft, where a first gear is fixedly coupled the first clutch and meshes with a second gear that is fixedly coupled to the input shaft. The transmission system further includes a second clutch arranged coaxial to a second countershaft and spaced away from the first countershaft and a third gear that is fixedly coupled to the second clutch and meshes with the first gear, where the first clutch and the second clutch are configured to shift the transmission system between multiple gear ratios and deliver mechanical power to an output shaft that is spaced away from the second countershaft.

Electric drive unit with a multi-speed transmission and method for transmission operation

The present disclosure relates to a method and an apparatus for controlling a lubricant flow rate in a wet clutch. The method comprising: determining a clutch state as an open state, a closed state or a slipping state; determining a clutch temperature and a sump lubricant temperature; based at least on the clutch state, the clutch temperature and the sump lubricant temperature, selecting one out of a plurality of maps, wherein each map maps one or more operating parameters of the clutch on a target lubricant flow rate; determining a target lubricant flow rate based on the one or more operating parameters according to the selected map; and controlling a lubricant flow control device based on the determined target lubricant flow rate.

Method and apparatus for controlling a lubricant flow rate

Methods and systems for lubricating a rotating shaft are provided. The lubrication system, in one example, includes a pump coupled to a central lubricant channel, the rotating shaft having a plurality of channels, an air intake channel positioned parallel to an axis of rotation of the rotating shaft, and a first orifice of a first channel of the plurality of channels, where the first orifice is positioned between the air intake channel and the central lubricant channel.

A torque convertor and direct drive unit arrangement and operating methods are provided herein. In one example, a prime mover may be configured to be coupled to a transmission via one of a torque convertor and a direct drive unit, the direct drive unit including a higher range clutch and a lower range clutch.

Growing community of inventors

Drongen, Belgium

Joachim Van Dingenen