Dana Belgium N.v.

Kurt Cattoor

Filip D Schacht

Joachim Van Dingenen

Filip Van Raepenbusch

Bert Hannon

Jessica Versini

Tommy Van Acker

Jan A Bedert

Jan Markey

Kathleen Derycker

Stijn Goossens

Christophe De Buyser

Hein Nevejant

Marc Van Tomme

Pauwel Coenen

Systems and methods for transmission systems for electric vehicles are provided. In one example, a transmission system is provided that comprises an input shaft rotationally coupled with a first electric motor and a second electric motor, the input shaft having a second clutch; an intermediate shaft having a first clutch and a mechanical clutch system, where the intermediate shaft is selectively coupled to the input shaft via the second clutch or via the first clutch; an idler shaft selectively coupled to the intermediate shaft via a low output of the mechanical clutch system or via a high output of the mechanical clutch system; and an output shaft rotationally coupled with the idler shaft.

Wet clutch powershift with range shift

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 are provided for a friction assisted dog clutch assembly, comprising: a piston; one or more pins, wherein the pins are adapted to be moved by the piston; one or more friction discs, wherein the friction discs have a number of slots and the plurality of pins pass through the slots; and an endplate, wherein the endplate has a number of recesses adapted to receive the pins.

Friction assisted dog clutch

Methods and systems for providing power to a mechanical system of an electric vehicle are described. The methods and systems may be applied to vehicles that include hydraulically operated systems and that are propelled via an electric machine. The methods and systems may allow a single electric machine to propel a vehicle and drive an external load when the vehicle is not being propelled.

Transmission with power take-off

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

Systems are provided for a transmission system. In one example, a multi-speed transmission includes an input section comprising a plurality of input speed reduction gearsets, an intermediate section comprising a plurality of clutches and gears configured to generate different speeds, and an output section comprising a high clutch and a low clutch, wherein each of the sections is arranged in the transmission housing, wherein a layout of the sections is arranged in a short drop layout with a first distance between an input shaft of the input section and an output shaft of the output section or in a long drop layout with a second distance between the input shaft and the output shaft, wherein the second distance is greater than the first.

Systems and method for an electric powertrain

Systems and methods for an electric drive unit. The electric drive unit, in one example, includes a first motor and a second motor arranged parallel to each other and rotationally coupled to a first input gear that is fixedly coupled to a first transmission shaft and a first clutch arranged coaxial to a second clutch. The drive unit further includes a second transmission shaft with an output gear rotationally coupled thereto and including a first and second mechanical interface configured to rotationally couple to a first drive axle and a second drive axle, where the output gear meshes with a gear that is directly rotationally coupled to a carrier in a planetary gear set.

Electric drive unit and method for drive unit operation

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

A transmission system comprising: a lubrication valve that fluidly couples a lubrication line in fluidic communication with a multi-disc wet clutch; a clutch line in fluidic communication with a clutch actuator of the multi-disc wet clutch and the lubrication valve; a clutch control valve fluidly coupled to the clutch line; and a controller configured to adjust a pressure of the clutch line to open and close the lubrication valve based on wet clutch temperature.

In-shaft selective lube implementation for a wet clutch

Systems and methods are provided for a mechanical system for a transmission. In one example, the mechanical system in a transmission of a vehicle, comprising: a first one-way clutch included in a first gear combination that is rotationally coupled to an output shaft and to a pump shaft; and a second one-way clutch included in a second gear combination that is arranged parallel to the first gear combination, the second gear combination also rotationally coupled to the output shaft and to the pump shaft; wherein the first and the second gear combinations have an unequal number of gears.

Pump assembly in a transmission and pump assembly operating method

A driveline system and driveline operating method are provided herein. In one example, the driveline system includes a hydraulic coupling designed to rotationally couple to a prime mover and an output interface designed to rotationally couple to a downstream driveline component, and a power take-off (PTO) assembly. The PTO assembly includes a first pump gear rotationally coupled to an input gear that is directly coupled to the output interface, where the first pump gear is designed to rotationally couple to a first pump via a first pump shaft interface and a first pump adapter designed to mount to the first pump.

Driveline system with hydraulic coupling and power take-off (PTO) and method for operation of the system

Systems and methods for a clutch assembly. The clutch assembly includes a first clutch pack coupled to a component via a rotational connection component and a second clutch pack coupled to a drum via the rotational connection component. The clutch assembly further includes an actuation piston configured to actuate the first clutch pack and the second clutch pack.

Multi-pack clutch assembly with actuator

A transmission system is described having a first gear ratio coupling a forward clutch and a first shaft to an intermediate shaft, a second gear ratio coupling a reverse clutch and a first shaft to the intermediate shaft, and a third gear ratio coupling the intermediate shaft to an output shaft.

Layout scheme 1X1 powershift transmission with output speed reducing ratio

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

Systems and a method for a clutch assembly are provided. In one example, a wet clutch for an electric motor includes a plurality of friction plates connected to a clutch hub; a plurality of separator plates connected to a drum and interleaved with the plurality of friction plates, a gear coupled to the electric motor; and a one-way clutch integrated into the wet clutch so as to be positioned between the gear and the clutch hub to allow free rotation in a predetermined direction while the wet clutch is hydraulically actuated and the friction plates and the separator plates rotate at the same speed thus avoiding drag losses.

Growing community of inventors

Bruges, Belgium

Kurt Cattoor