Abstract: A blocking mechanism includes a mobile pawl mounted with the ability to pivot between a locking position and a release position. The mobile pawl includes a cam surface, a pushing device including a cam follower able to move on the cam surface in order to move the mobile pawl from the release position to the locking position, and an actuating lever moving the pushing device and including a first notch and a second notch. A positioning member engages in the first notch in the locking position and in the second notch in the release position. The positioning member including a flexible blade including a shape folded over on itself to form a V shape.

Abstract: A blocking mechanism includes a mobile pawl mounted with the ability to pivot between a locking position and a release position. The mobile pawl includes a cam surface, a pushing device including a cam follower able to move on the cam surface in order to move the mobile pawl from the release position to the locking position, and an actuating lever moving the pushing device and including a first notch and a second notch. A positioning member engages in the first notch in the locking position and in the second notch in the release position. The positioning member includes a first fixing surface and a second fixing surface which are offset from one another axially.

Abstract: A clutch mechanism for a motorized vehicle includes a cover, a pressure plate coupled in rotation with the cover and movable axially relative thereto, and a diaphragm spring bearing against the cover and the pressure plate. The diaphragm spring is held in axial preload against the cover by a support washer provided with axial protuberances passing through the diaphragm spring and the cover. Each axial protuberance has an axial stop able to transmit the axial preload force to the cover. A plurality of elastic segments, distributed angularly about the axis of rotation (X) of the clutch mechanism, exert the axial preload on the diaphragm spring.

Abstract: A disconnect module for engaging/disengaging a first component from a first shaft includes a clutch member rotatably mounted on the first shaft, a drive member axially arranged between the first component and the clutch member and connected to the first component. The clutch member can reciprocate axially to engage/disengage from the drive member. A reset assembly applies pressure to the clutch member towards a disengagement direction for disengaging from the drive member, and an actuator including an action end that can reciprocate axially. A pressing assembly configured to connect the action end with the clutch member, so under the pressure applied by the reset assembly, one reciprocating movement of the action end brings the clutch member from a disengaged state to an engaged state and maintains the engaged state until a next reciprocating movement of the action end brings the clutch member from the engaged state to the disengaged state.

Abstract: A disconnect module for engaging/disengaging a first shaft with a first component includes a connecting shaft arranged coaxially with the first shaft, one end of which is rotatably supported on the first shaft, and the other end connected to the first component, and a sliding sleeve on outer sides of the first shaft and the connecting shaft. The sliding sleeve is rotatably connected to the first shaft and can reciprocate axially by an axial distance to engage/disengage from the connecting shaft and includes a circumferential groove open to the outside. The module also includes a motor, a speed reducer connected to the motor and including an output shaft, and a drive block connected to the output shaft and extending into the circumferential groove and driven by the speed reducer to rotate, thereby driving the sliding sleeve to reciprocate axially. A mechanical position-limiting mechanism is provided on the output shaft.

Abstract: A disconnect module for engaging or disengaging a first component rotatable about a first shaft with or from the first shaft. The disconnect module includes a clutch member, mounted on the first shaft in a rotatably fixed manner; a drive member, arranged between the first component and the clutch member in an axial direction, and fixedly connected to the first component, wherein the clutch member is able to reciprocate axially to engage with and disengage from the drive member, the first shaft rotates together with the first component in an engaged state, and the first shaft is independent of the first component in a disengaged state. The present disclosure further relates to a power transmission system for a vehicle, including the disconnection mechanism, and further relates to a vehicle comprising the power transmission system.

Abstract: A differential drive system for a vehicle includes a differential drive device, a dog clutch device, and an electromagnetic actuator. The axis of rotation of the differential drive device is situated outside of the annular electromagnet of the electromagnetic actuator.

Abstract: The invention relates to a gear shift device for a mobility vehicle, comprising: —a selection shaft in which a shuttle and a worm are arranged, —at least two input pinions arranged to rotate freely about the selection shaft, —at least two output pinions coupled in rotation with a hollow shaft, —a gear shift actuator arranged to move the shuttle along the worm between at least two positions, and to engage a selected gear ratio, —at least two pawls arranged on the selection shaft, each pawl being associated with a lifting device for lifting the pawl via the shuttle, and to engage the gear ratio selected via the input and output pinions, the device comprising a radial blocking system, which is formed in one piece, for keeping all the pawls in place on the selection shaft.

Abstract: A disconnection mechanism, for engaging or disengaging a fixed component and a movable component arranged on a first shaft extending in a first direction. The disconnection mechanism includes a shift fork, connected to the movable component, and constructed to be able to reciprocate linearly in the first direction, so that the movable component is engaged with or disengaged from the fixed component. An actuator includes an output end which rotates about a rotation axis of the actuator at a distance from the rotation axis. A drive rod has a first end rotatably connected to the output end and a second end rotatably connected to the shift fork, so that the output end, when rotating, is able to drive the shift fork to reciprocate linearly.

Abstract: A torsion damper for a vehicle powertrain includes a first element having a support element and a second element movable in rotation with respect to the first element about an axis of rotation X. Springs are mounted between the first element and the second element so as to compress to allow relative rotation about the X axis between the first element and the second element. A friction device including a friction washer provided with at least one fixing portion rigidly fixed in rotation on a support element of the first element, the friction washer having a friction portion having a friction track backed against a dorsal face of the friction portion. An elastic washer arranged axially between the first element and the dorsal face of the friction portion, each fixing portion for fixing to the first element being connected to the friction portion by a flexible element allowing axial displacement of the dorsal face of the friction portion relative to the support element of the first element.

Abstract: An electromagnetic actuation assembly includes an actuator comprising a magnetic field frame provided with an annular housing extending circumferentially about a reference axis, a coil arranged in the annular housing of the magnetic field frame, and a plunger able to be moved axially between a first axial zone and a second axial zone with respect to the magnetic field frame as a function of the magnetic field produced by the coil when this coil is supplied with current. A first shock absorber is mounted either on the plunger or on the magnetic field frame or on an actuator support to which the actuator is fixed, the first shock absorber being arranged in such a way as to be deformed by the movement of the plunger when the plunger reaches the first axial zone.

Abstract: A propulsion system for an electric vehicle includes an assembly of four electric propulsion machines each having a stator and a rotor having an output shaft that is movable in rotation about an axis. Also includes is a common gearwheel that is kinematically connected to the n output shafts and that is able to receive the torque provided by the electric machines so as to form a first speed reducer, and primary gearwheels able to be driven by the common gearwheel. An intermediate shaft is able to be driven by intermediate gearwheels, each primary gearwheel being kinematically connected to a corresponding intermediate gearwheel so as to form a pair of gears with which a second speed reducer is associated, and a secondary shaft that is able to drive the vehicle and that has a secondary gearwheel kinematically connected to the intermediate shaft so as to form a third speed reducer.

Abstract: An electromagnetic actuating device for a torque transmission system includes a shell arranged around an axis X. The shell being fixed relative to the axis X and includes walls defining an annular cavity which houses a coil and at least partially a plunger which is able to move axially along the axis X to actuate a coupling device.

Abstract: Transmission system for a motor vehicle includes a differential drive device configured to distribute a torque to two wheel shafts of an axle, and which includes a coupling device having a coupled position in which the transmission of the torque via the differential drive device is provided and a decoupled position in which the transmission of the torque via the differential drive device is interrupted. The coupling device includes an actuator including a piston guided in axial translation between a retracted position and an extended position; and a thrust bearing which is inserted between the piston and a first coupling part of the coupling device so as to transmit an actuating force of the piston to the first coupling portion and to move the first coupling portion from the uncoupled position to the coupled position during the movement of the piston from the retracted position to the extended position.

Abstract: A rear-wheel drive propulsion system for a mobility vehicle includes at least two electric machines and two transmission devices. Each machine is associated with one transmission device and operates independently of one another.

Abstract: A blocking mechanism includes a transmission casing and a movable pawl having a locking finger. The movable pawl is pivotingly mounted about an axis on the transmission casing between a locking position in which the locking finger is engaged in the locking recess and a release position in which the locking finger is disengaged from said locking recess, the movable pawl including a cam surface. An actuator that moves a pushing device guided by a guide rail, wherein the pushing device includes a cam follower able to move on the cam surface. A housing is formed in the transmission casing including a positioning slot in which a wall of the guide rail is inserted.

Abstract: A pendulum damping device includes a support free to rotate about an axis; at least one pendulum body that is able to move relative to the support; and at least one rolling component guiding the movement of the pendulum body relative to the support. The rolling component cooperates with at least one first raceway integral with the support and with at least one second raceway integral with the pendulum body. One from among the first raceway and the second raceway defines an arc of a circle and the other one from among the first raceway and the second raceway defining a form other than an arc of a circle.

Abstract: A drive unit of a mobility device, including an electric machine, a casing including a first shell and a second shell, the second shell being situated between the electric machine and the first shell, and a main shaft which is housed in a space delimited by the first shell and the second shell and is able to be set in rotation by the electric machine. The main shaft is mounted on the second shell by way of a first rolling bearing. The first rolling bearing is mounted without clearance on the second shell by way of first axial retention means.

Abstract: A method for manufacturing a transmission device that includes a casing, and a rotary part rotatably guided inside the casing by means of a first bearing and a second bearing. The method includes axially moving a preloading element in a first recess until it bears axially against the first bearing in the first direction, and then applying a force to the preloading element until the applied force reaches a set value and the preloading element reaches a preloading position in which a predetermined axial preloading force is applied by the preloading element and the axial bearing surface of the casing to the first bearing and the second bearing, respectively. The preloading element is attached to the casing in in the preloading position.

Abstract: Actuation device for a transmission system includes an electric motor kinematically connected to a speed reducer and an output shaft of the speed reducer of axis of rotation, the output shaft being arranged to pivot through three adjacent angular sectors, a first angular sector, a second angular sector adjacent to the first angular sector, and a third angular sector adjacent to the second angular sector. An actuation cam is rigidly connected to the output shaft for rotation therewith. A receiving part is axially movable along a main axis perpendicular to the axis of rotation, comprising a receiving recess for receiving the actuation cam formed by two surfaces parallel to each other and perpendicular to the main axis.