Abstract: An axle system (150) for a vehicle comprises: —a differential unit (10) including a first housing (24) and a second housing (20) which rotationally receives at least part of said first housing; —at least one drive shaft (11) having one end configured to be connected to a wheel of the vehicle and one end connected to the differential unit (10) and rotationally received in the first housing (24), the drive shaft (11) including at least one joint (110) connecting two portions (114a, 114d) of the drive shaft (11) to transmit rotary motion between said portions; —a first bearing (30) secured around the drive shaft (11), placed between the drive shaft and the first housing (24), having an outer diameter (D30) smaller than the radial dimension (D) of the joint (110); —a second bearing (40) placed between the first housing (24) and the second housing (20); —at least one tightening member (50) to axially lock the first bearing outer ring (32) relative to the first housing (24).

Abstract: The invention relates to a vehicle axle, comprising: —a differential; —a powertrain, comprising a first electric motor (EM1) and a second electric motor (EM2); —a first transmission element between the first electric motor and said differential, this first transmission element comprising a variable transmission ratio; —a second transmission element between the second electric motor and said differential; wherein the second electric motor is controlled so as to provide its maximum power during gear changes of the first transmission element, so as to compensate at least partially for the power loss inherent in the gear change.

Abstract: The invention relates to a vehicle axle, comprising:—a differential;—a powertrain, comprising a first electric motor (EM1) and a second electric motor (EM2);—a first transmission element between the first electric motor and said differential, this first transmission element comprising a variable transmission ratio;—a second transmission element between the second electric motor and said differential; wherein the second electric motor is controlled so as to provide its maximum power during gear changes of the first transmission element, so as to compensate at least partially for the power loss inherent in the gear change.

Abstract: A gearbox for a vehicle includes a primary shaft configured to rotate about a first axis, a distribution gear, a transmission gear arranged around the primary shaft, an auxiliary shaft configured to rotate around a second axis, an auxiliary output gear and an auxiliary transmission gear arranged around the auxiliary shaft, an output gear arranged around the primary shaft for transmitting a power out of the gearbox, and a gear shift system slidable between at least two positions. The gear shift system is configured to rotationally engage the distribution gear and the output gear for transmitting the power directly from the primary shaft to the output gear, or the distribution gear and the transmission gear for transmitting the power indirectly from the primary shaft to the output gear through the auxiliary shaft.

Abstract: An axle system (150) for a vehicle comprises: —a differential unit (10) including a first housing (24) and a second housing (20) which rotationally receives at least part of said first housing; —at least one drive shaft (11) having one end configured to be connected to a wheel of the vehicle and one end connected to the differential unit (10) and rotationally received in the first housing (24), the drive shaft (11) including at least one joint (110) connecting two portions (114a, 114d) of the drive shaft (11) to transmit rotary motion between said portions; —a first bearing (30) secured around the drive shaft (11), placed between the drive shaft and the first housing (24), having an outer diameter (D30) smaller than the radial dimension (D) of the joint (110); —a second bearing (40) placed between the first housing (24) and the second housing (20); —at least one tightening member (50) to axially lock the first bearing outer ring (32) relative to the first housing (24).

Abstract: The invention relates to an assembly for a differential unit of a vehicle, the assembly comprising: —a first housing portion (20a) designed to be assembled with a second housing portion for forming a differential carrier housing; —a first and a second supporting devices (30, 301, 302), each comprising a main portion (33) having substantially the shape of a ring and a base portion (31) attached to the first housing portion (20a) so that the main portions (33) of the first and second supporting devices (30) are substantially coaxial along a longitudinal direction (X), the first and second supporting devices being configured to support, in use, a system comprising a crown wheel (22) and a differential housing (24) containing a differential, the system having two end portions each including a bearing which has an inner ring (51) mounted on the differential housing (24), an outer ring configured to be mounted in the main portion (33) of one of the supporting devices (30), and rolling elements.

Abstract: The assembly comprises: —a differential housing (24a) having a longitudinal axis (23); —a differential side gear (18) connected to a drive shaft (11), rotatably mounted inside and relative to the differential housing around the axis; —a blocking system for blocking the differential unit operation, comprising: —a blocking member (50) mounted inside the differential housing in a rotationally fixed manner; —and an actuation system (60) for sliding the blocking member along the axis between a blocking position, in which the blocking member and the differential side gear are rotationally secured to one another, and a released position.

Abstract: A supporting device to be secured in a housing of an axle unit includes a main portion in the shape of a ring having a longitudinal axis and forming a circular opening intended to receive an outer ring of a bearing which, in use, is mounted on a differential housing. The supporting device further includes a collector capable of collecting lubricant projected inside the housing by at least one rotating part, in use, the collector including an outlet port for allowing lubricant to flow towards the longitudinal axis.

Abstract: The invention relates to an assembly for a differential unit (10) of a vehicle, comprising:—a differential housing (24a) having a longitudinal axis (23);—a differential side gear (18) configured to be connected to a drive shaft (11) capable of being connected to a wheel of a vehicle, the differential side gear being located inside the differential housing and being rotatably mounted relative to the differential housing around the longitudinal axis;—a blocking system (100) for blocking the differential unit operation, comprising a blocking member (50) movable between a released position and a blocking position, and an actuation system (60) for moving the blocking member (50) between said released and blocking positions; wherein the blocking member (50) is located inside the differential housing (24a) and is configured to rotationally secure the differential housing (24a) and the differential side gear (18).

Abstract: Disclosed is an assembly to be mounted at an end portion of an axle of a vehicle, the axle including a differential carrier housing containing a differential and drive shafts, each having one end connected to the differential and a second end to connect to a wheel of the vehicle. The assembly includes a cover to be mounted at the end portion of the axle and fastened to a wheel hub, and a stop elastically compressible in the axial direction and fastened to the cover so as to face and contact one end face of a drive shaft. The stop includes a first part having a first cross-section S1 and configured to absorb in compression axial movements of the drive shaft, and a second part having a second cross-section S2 smaller than the first cross-section S1 and configured to provide a substantially point contact with the drive shaft end face.

Abstract: Disclosed is an assembly to be mounted at an end portion of an axle of a vehicle, the axle including a differential carrier housing containing a differential and drive shafts, each having one end connected to the differential and a second end to connect to a wheel of the vehicle. The assembly includes a cover to be mounted at the end portion of the axle and fastened to a wheel hub, and a stop elastically compressible in the axial direction and fastened to the cover so as to face and contact one end face of a drive shaft. The stop includes a first part having a first cross-section S1 and configured to absorb in compression axial movements of the drive shaft, and a second part having a second cross-section S2 smaller than the first cross-section S1 and configured to provide a substantially point contact with the drive shaft end face.

Abstract: The invention relates to an assembly for a differential unit of a vehicle. The assembly comprises: a first housing portion (20a) designed to be assembled with a second housing portion for forming a differential carrier housing (20); a first and a second supporting devices (30, 301, 302), each comprising a main portion having substantially the shape of a ring for receiving in use a differential housing (24). Each of the supporting devices (301, 302) is made as a single piece which is a piece separate from the first housing portion (20a) and secured to said first housing portion (20a).

Abstract: The invention relates to an assembly for a differential unit of a vehicle, the assembly comprising: —a first housing portion (20a) designed to be assembled with a second housing portion for forming a differential carrier housing; —a first and a second supporting devices (30, 301, 302), each comprising a main portion (33) having substantially the shape of a ring and a base portion (31) attached to the first housing portion (20a) so that the main portions (33) of the first and second supporting devices (30) are substantially coaxial along a longitudinal direction (X), the first and second supporting devices being configured to support, in use, a system comprising a crown wheel (22) and a differential housing (24) containing a differential, the system having two end portions each including a bearing which has an inner ring (51) mounted on the differential housing (24), an outer ring configured to be mounted in the main portion (33) of one of the supporting devices (30), and rolling elements.

Abstract: A supporting device to be secured in a housing of an axle unit includes a main portion in the shape of a ring having a longitudinal axis and forming a circular opening intended to receive an outer ring of a bearing which, in use, is mounted on a differential housing. The supporting device further includes a collector capable of collecting lubricant projected inside the housing by at least one rotating part, in use, the collector including an outlet port for allowing lubricant to flow towards the longitudinal axis.