Abstract: An electrically driven vehicle axle is provided, including an electrical machine, a left drive shaft, a right drive shaft, a first clutch connecting the electrical machine to the left drive shaft and a second clutch connecting the electrical machine to the right drive shaft. The first and second clutches are arranged concentrically.

Abstract: An electromechanical actuator (100) is provided. The actuator comprises an electrical motor (110) controlling a ball ramp mechanism. The ball ramp mechanism is configured to allow for mutual rotation of a first and second rotational member (120, 30) up to a first torque of the electrical motor (110), and to allow for axial separation of the first and second rotational members (120, 130) at a second torque of the electrical motor (110).

Abstract: The present disclosure refers to an all-wheel drive system (10) for a vehicle (12), including: an electrical motor (24) being connected to a first axle (26) of a planetary gear set (28) arranged at an output side (30) of a vehicle gearbox (32), and a second axle (34) of the planetary gear set (28) being connected or connectable to the gearbox output shaft (36) or to ground (G) by a coupling (I).

Abstract: The present invention concerns a method of thermal management of a transmission of an axle (4) of an electrical vehicle and a circuit used for the method. The circuit comprises a coolant pump (1), one or more on-board units, a three way valve (5) and the axle (4), which axle (4) comprises a transmission. Coolant of a cooling system of the vehicle is made to pass the on-board units to pick up heat losses. The on-board units may be power electronics (2), an electrical machine (3), a battery and/or an on-board charger.

Abstract: The actuator (20) comprises an electric drive means (22) and a drive member (26) being rotationally driven upon activation of the electric drive means (22), an output member (24) being rotationally connected to the drive member (26) by means of a first spring (28), and a second spring (32) being connected to the output member (24) and forming a one way clutch between the output member (24) and a fixed tube (34), wherein the electrical actuator (20) further comprises a regulation cup (30) being configured to engage with the second spring (32) to disconnect the output member (24) from the fixed tube (34).

Abstract: A torque vectoring device for a vehicle is provided, comprising an electrical motor (110) being connected to a differential mechanism (20) via a first planetary gear set (120) and a second planetary gear set (130), said planetary gear sets (120, 130) sharing a common ring wheel (126), wherein the first planetary gear set (120) is connecting the electrical motor (110) to a cage (22) of the differential (20), and the second planetary gear set (130) is connecting the electrical motor (110) to an output shaft (24), and wherein the rotational axis (R) of the first planetary gear set (120) and the second planetary gear set (130) is arranged remote from the output shaft (24).

Abstract: An axle drive (1) for a vehicle is provided, comprising a differential (2) and an electrical motor (17) in driving connection with said differential (2) via a disconnect (7), wherein lubrication of said axle drive (1) is adjusted automatically by means of the position of said disconnect (7).

Abstract: A coupling for an AWD vehicle comprises a disc package with alternate discs, which are connected for rotation with, but are axially movable in relation to an ingoing and an outgoing axle, respectively, of the coupling, and a hydraulic piston for pressing the disc package together under the action of hydraulic pressure, hereby establishing a connect mode, in which the ingoing axle is connected to the outgoing axle. A coupling slack adjuster is provided for mechanically establishing a rest position for the hydraulic piston in a disconnect mode, in which a predetermined slack in the disc package is established, irrespective of the wear of the discs.

Abstract: An electromechanical actuator (100) is provided. The actuator comprises an electrical motor (110) controlling a ball ramp mechanism. The ball ramp mechanism is configured to allow for mutual rotation of a first and second rotational member (120, 30) up to a first torque of the electrical motor (110), and to allow for axial separation of the first and second rotational members (120, 130) at a second torque of the electrical motor (110).

Abstract: A rear axle drive (2) for an AWD vehicle is presented. The rear axle drive (2) is connected to an hydraulic AWD coupling (3), wherein the rear axle drive (2) comprises a lubrication valve (4) for controlling the level of lubricant in at least one lubricant reservoir (6, 7) of the rear axle drive (2) for providing lubricant to gears and/or bearings of the rear axle drive (2). The lubrication valve (4) is functionally connected to a shut-off valve (5) of the AWD coupling (3) and the lubrication valve (4) of the rear axle drive (3) is controlled by movement of an actuating member (51, 54) of the AWD coupling (3).

Abstract: A vehicle driveline system for a vehicle is provided. The system comprises a differential (110) having two output shafts (111,112) being connectable with respective wheel shafts, a primary electrical motor (121) being connected with a driving input (117) of the differential (110) via a first reduction gearing (130), said first reduction gearing (130) being connected to a secondary electrical motor (122) for adjusting the gear ratio of the first reduction gearing (130); whereby the secondary electrical motor (122) is connected to a clutch arrangement (150) configured to selectively lock the gear ratio of the first reduction gearing (130).

Abstract: A hydraulic disc coupling (1) for a system distributing torque between the left and right wheels and/or the front and rear axles of a vehicle is provided. A coupling piston (6) is configured to be mechanically locked by an integrated locking arrangement (23), when the coupling piston (6) is actuated to act on the disc package (8), such that the coupling remains engaged whereby the input (2) is connected to the output (7) of the coupling (1) without hydraulic pressure acting on the coupling piston (6). Unlocking of the integrated locking arrangement (23) is provided by again actuating the coupling piston (6).

Abstract: A hydraulic system (10) for a vehicle is provided. The hydraulic system comprises a shifting mechanism (20) and a pump assembly (30) configured to provide pressurized fluid to said shifting mechanism (20), and an electrical motor (40). The movement of the shifting mechanism (20) controls a valve function which serves to open a connection from the pump assembly (30) to the electrical motor (40).

Abstract: A dog clutch comprises first (160) and second (170) drive shafts, the drive shafts being connectable to one another by a dual spline connector (150). The dual spline connector is movable along a longitudinal axis of the first (160) and second (170) drive shafts and is provided with an internal spline that mates with an external spline of the first drive shaft. The dual spline connector is further provided with an external spline that upon axial movement may be connected or disconnected to an internal spline of the second drive shaft. Either or both of the external spline of the dual spline connector and/or the internal spline of the second drive shaft is or are provided with means for allowing partial connection of the internal and external splines.

Abstract: An electrical axle comprising an electrical motor selectively connected to a differential via a reduction gear and a planetary gear set, the planetary gear set having one input and two outputs, the electrical axle further comprises a gear shift mechanism configured to selectively connect a differential housing to one of the outputs.

Abstract: A hydraulic system including a hydraulically actuated clutch, a hydraulically actuated shifting piston, and a pressure source for actuating the clutch as well as the shifting piston. The movement of the shifting piston also controls a valve function which serves to open a connection from the pressure source to the clutch only when the shifting piston has reached one of its end positions.

Abstract: An actuator for connecting and disconnecting a dog clutch between two coaxial shafts (1, 2) by means of an axially movable clutch sleeve (3) comprises an electric motor. A motor shaft (8) of the motor is connected to a rotatable actuator rod (7). This rod (7) is provided at its end with an eccentric pin (5) for such cooperation with the clutch sleeve (3) that a rotation of the actuator rod (7) 180° or less by means of the motor from a rotational position corresponding to one axial end position of the clutch sleeve (3) to a rotational position corresponding to the other axial end position of the clutch sleeve (3) leads to a connection or disconnection of the dog clutch.

Abstract: A final drive for a road vehicle comprises a pinion gear on a pinion axle journaled in a housing, the pinion gear being in gear engagement with a crown gear journaled for rotation transversely to the pinion axle. The final drive is combined with an all wheel drive (AWD) coupling, comprising a disc package axially controlled by a hydraulic piston for optionally transmitting torque from an ingoing axle to the pinion axle, the disc package being rotatably connected to the pinion axle. The ingoing axle of the AWD coupling is radially journaled only by the pinion axle in the final drive.

Abstract: A hydraulic pump assembly comprises a rotatable piston drum (20) with at least one centrifugal lever (23) pivotally attached thereto for radial movements between radial flanges (20?) under the action of centrifugal force at rotation of the piston drum. The centrifugal lever (23) is arranged to control the position of a valve member, preferably a ball (22), at the opening end of a bore (21) in the piston drum (20). There is a defined friction surface (28; 32) between the lever (23) and one of the radial flanges (20?), and there are spring means (29-31; 25, 33) for resiliently biasing the lever against said one of the flanges.

Abstract: A hydraulic pump assembly for a vehicle is provided, comprising an electrical motor, a hydraulic pump driven by the electrical motor, and a centrifugal regulator connected with a pressure overflow valve connected to the oil outlet of the hydraulic pump, characterized in that the pump assembly further comprises at least two input check valves and at least two output check valves arranged such that a first pressure outlet port is formed when the motor is rotating in a first direction, and a second pressure outlet port is formed when the motor is rotating in an opposite direction.