Abstract: The present invention relates to controlling a removable electric propulsion system for a rolling object. In this method, a signal representative of the torque at a wheel driven by an electric machine of the electric propulsion system is measured (MES). This measurement is compared (COMP), over different time increments, with two thresholds, and the electric machine is controlled according to this comparison. The invention also relates to a propulsion system suited for this method and to a coupled assembly comprising the propulsion system and a rolling object.

Abstract: The present invention relates to a removable electric propulsion system intended to be coupled to a rolling object. The propulsion system comprises a chassis provided with at least one wheel driven by an electric machine, and at least one non-driven wheel. Furthermore, the system, preferably the chassis, comprises means (5) for coupling the propulsion system to the rolling object. Besides, the coupling means comprises at least one means (100) providing combined and simultaneous gripping and lifting of at least one wheel (14) of the rolling object, preferably of two wheels (14) of the rolling object. The invention also relates to a method for coupling a rolling object to such a propulsion system, this method enabling, simultaneously and through a combined action, gripping and lifting of at least one wheel (14) of the rolling object.

Abstract: The present invention relates to a removable electric propulsion system (1) for a rolling object. Propulsion system (1) comprises a frame (2) with a driven wheel (3) and at least one non-driven wheel (4). Among these non-driven wheels (4), one at least is an orientable off-centered wheel. System (1) also comprises means for coupling at least one wheel of the rolling object. System (1) also comprises an automatic directional locking device for locking the rotation about a vertical axis of at least one of the orientable off-centered wheels in a predetermined direction. The invention also relates to a coupled assembly comprising a propulsion system (1) and a rolling object. The invention further relates to a method for directional and automatic locking of at least one orientable off-centered wheel of a propulsion system.

Abstract: The invention relates to a removable electric propulsion system (1) for a rolling object, propulsion system (1) comprising a frame (2) provided with at least one wheel (3) driven by an electric machine (10), and at least one non-driven wheel (4), and means (5) for coupling propulsion system (1) to the rolling object. In addition, coupling means (5) comprise means for gripping and lifting at least one wheel of the rolling object. Besides, propulsion system (1) comprises a seating device with a seat (51) and a backrest (50), and this seating device is foldable between a deployed position allowing a user to sit and a folded position. The invention also relates to a method for deploying/folding the seating device of electric propulsion system (1).

Abstract: The present invention relates to a removable electric propulsion system (1) intended to be coupled to a rolling object. Propulsion system (1) comprises a frame (2) provided with at least one wheel (3) driven by an electric machine, and at least one non-driven wheel (4), a handlebar (20) and means (5) for coupling the propulsion system to the rolling object, coupling means (5) comprising means for gripping and lifting at least one wheel of the rolling object. Handlebar (20) comprises a connection with frame (2) and/or driven wheel (3). Furthermore, the connection comprises a means (12) for locking/unlocking the handlebar relative to frame (2) and/or to a driven wheel (3) from a locking position where handlebar (20) is attached to frame (2) and/or to driven wheel (3), this locked position of handlebar (20) enabling electric propulsion system (1) to be moved by means of handlebar (20), to an unlocking position enabling at least free motion of handlebar (20) relative to frame (2) and/or driven wheel (3).

Abstract: The present invention relates to an electric propulsion system (1) for a rolling object, comprising a frame (2) with at least one motorized wheel (3), and at least one non-motorized wheel (4), a handlebar (6) and coupling means (5). Coupling means (5) are intended for gripping, orientation and lifting of at least one wheel of the rolling load. The means of orienting the wheel of the rolling object orient the wheel perpendicular to the longitudinal direction (x) of the frame.

Abstract: The present invention relates to an electric propulsion system (1) for a rolling object, comprising a chassis (2) with at least one motorized wheel (3) and at least one non-motorized wheel (4), a handlebar (6), coupling means (5) and drive assist means. The coupling means are intended for gripping, orienting, immobilizing and lifting of at least one wheel (14) of rolling object 13). The drive assist means comprise at least one arm (36) of variable length for varying the distance between the at least one driven wheel (3) and the at least one non-driven wheel (4). The present application also concerns a coupled assembly comprising the electric propulsion system and a method of using the electric propulsion system.

Abstract: The present invention relates to a removable electric propulsion system (1) for a rolling object, propulsion system (1) comprising a chassis (2) provided with at least one wheel (3) driven by an electric machine, at least one non-driven wheel (4) and at least one means for coupling electric propulsion system (1) to the rolling object.

Abstract: The present invention relates to a compression device driven by an electric machine, for which the rotor (1) comprises a rotor shaft (31), a cylindrical magnet (34), and a non-magnetic shrink ring (33). According to the invention, the rotor shaft (31) includes a bore (36) for inserting one end of the compressor shaft (3) to unitize the two shafts.

Abstract: The present invention relates to a device for controlling the amount of air fed to the intake of a turbocharged internal-combustion engine comprising a turbocharging system including a turbocharger (7) with a turbine (8) connected to at least one exhaust gas outlet of said engine, as well as an outside air compressor (10), a line (15, 18) for partial transfer of the compressed air from the compressor to the turbine inlet, and an EGR line (18, 21) between an exhaust gas outlet and a compressed air intake line (4). The device is characterized in that the partial transfer line and the EGR line share at least one common portion (18).

Abstract: The present invention relates to a device and to a method for controlling the amount of air fed to the intake of a turbocharged internal-combustion engine comprising a turbocharging system including a turbocharger (7) with a turbine (8) connected to at least one exhaust gas outlet of exhaust manifold (5) of said engine, as well as an outside air compressor (10), a line (15, 18) for partial transfer of the compressed air from the compressor to an inlet on the manifold communicating with the turbine, and an EGR line (21) connecting an exhaust gas outlet to a compressed air intake line (4).

Abstract: The present invention relates to a compression device driven by an electric machine, for which the rotor (1) comprises a rotor shaft (31), a cylindrical magnet (34), and a non-magnetic shrink ring (33). According to the invention, the rotor shaft (31) includes a bore (36) for inserting one end of the compressor shaft (3).

Abstract: The present invention relates to a device for controlling the amount of air fed to the intake of a turbocharged internal-combustion engine comprising a turbocharging system including a turbocharger (7) with a turbine (8) connected to at least one exhaust gas outlet of said engine, as well as an outside air compressor (10), a line (15, 18) for partial transfer of the compressed air from the compressor to the turbine inlet, and an EGR line (18, 21) between an exhaust gas outlet and a compressed air intake line (4). The device is characterized in that the partial transfer line and the EGR line share at least one common portion (18).

Abstract: The present invention is a powertrain for a hybrid vehicle, comprising a driving and receiving machine (20), a thermal engine (10) and engine shaft (12), a speed variation device (14) including an engine epicyclic gear train (24) with a sun gear (34) and a crown (42) which are each connected to the engine shaft (12) by an engine controlled coupling (26, 28) and to a fixed part (40) of the powertrain by a one-way automatic coupling (30, 32). A planet gear carrier (46) and a machine epicyclic gear train (60) are arranged on a shaft (62) substantially parallel to engine shaft (12). The planet gear carrier comprises a sun gear (64), a crown (72), a planet gear carrier (68) and an epicyclic gear train controlled coupling (88). The speed variation device (14) comprises a device (94) for connecting and disconnecting and electrical machine (20) with a machine epicyclic gear train (60).

Abstract: A powertrain for an automotive vehicle comprising a thermal engine (10), a speed variation device (14) including an engine epicyclic gear train (26) with a sun gear (36) and a crown (48) which are each connected to shaft (12) of the thermal engine by a controlled coupling (28, 30) and to a fixed part (46) of the vehicle by a one-way automatic coupling (32, 34). A machine epicyclic gear train (90) is arranged on a machine shaft (92) substantially parallel to engine shaft (12) and connects the epicyclic gear train to a track for motion transmission to a drive axle. The machine epicyclic gear train comprises a sun gear (94) carried by a sun gear shaft (100), a crown (126) and a planet gear carrier (108). A speed variation device (14) comprises an additional epicyclic gear train (138) and an engine toothed wheel (168) carried by the shaft (12) and connects the shaft to a machine toothed wheel carried by additional epicyclic gear train.

Abstract: The present is a powertrain for an automotive vehicle comprising a thermal engine (10), a speed variation device (14) including an engine epicyclic gear train (26) with a sun gear (36) and a crown (50), each connected to shaft (12) of thermal engine (10) by a controlled clutch (28, 30, 30?) and to a fixed part (46) of the vehicle by a one-way coupling (32, 34). A machine epicyclic gear train (90) is arranged on a machine shaft (92) which is substantially parallel to engine shaft (12) and connecting engine epicyclic gear train (26) to a track (126, 128) for motion transmission to a drive axle (16). The machine epicyclic gear train comprises a sun gear (104) carried by a sun gear shaft (110), a crown (112) and a planet gear carrier (94). Speed variation device (14) comprises an engine toothed wheel (150) carried by engine shaft (12) which connects the shaft to a machine toothed wheel (152, 176) carried by sun gear shaft (110).

Abstract: The present invention relates to a powertrain for a hybrid type vehicle with a thermal engine (10), notably of internal-combustion type, an electric machine (12) connected to an axle shaft (24) of the vehicle and a transmission device (36) comprising a primary transmission shaft (38) connected to drive shaft (18) of thermal engine (10) through a disengageable coupling (44) and carrying at least two first gear wheels (56, 58) cooperating with at least two second gear wheels (60, 62) carried by a secondary transmission shaft (40) connected to the axle shaft. According to the invention, primary transmission shaft (36) is connected to an auxiliary electric machine (14).

Abstract: A powertrain for an automotive vehicle comprising a thermal engine (10), a speed variation device (14) including an engine epicyclic gear train (26) with a sun gear (36) and a crown (48) which are each connected to shaft (12) of the thermal engine by a controlled coupling (28, 30) and to a fixed part (46) of the vehicle by a one-way automatic coupling (32, 34). A machine epicyclic gear train (90) is arranged on a machine shaft (92) substantially parallel to engine shaft (12) and connects the epicyclic gear train to a track for motion transmission to a drive axle. The machine epicyclic gear train comprises a sun gear (94) carried by a sun gear shaft (100), a crown (126) and a planet gear carrier (108). A speed variation device (14) comprises an additional epicyclic gear train (138) and an engine toothed wheel (168) carried by the shaft (12) and connects the shaft to a machine toothed wheel carried by additional epicyclic gear train.

Abstract: A hybrid vehicle, including first and second drive motors, an axle driven by the first and/or second drive motor, a mechanical transmission connecting the axle to the first and second drive motors. The transmission includes a planetary gear train having two reduction ratios between the second drive motor and the axle, and including a switching mechanism imposing each of the reduction ratios. The switching mechanism includes a first mechanism configured to rigidly connect and disconnect two components of the planetary gear train, and a second mechanism configured to halt and release a third component of the planetary gear train, the second mechanism is located on a portion of the transmission located between the planetary gear train and the first drive motor, the portion of the transmission is another planetary gear train, and the second mechanism is a coupling having two coupling states, including a state of blocking the other train.

Abstract: The present invention relates to a method of controlling a variable-speed transmission device of a powertrain, in particular for a hybrid vehicle, comprising a driving/receiving machine (20), a thermal engine (10), a speed variation device (14) including an engine epicyclic gear train (24) with a sun gear (34) and a crown (46), each connected to engine shaft (12) by a controlled coupling (26, 28) and to a fixed part (44) of the powertrain by a one-way automatic coupling (30, 32) and a planet gear carrier (52), and a machine epicyclic gear train (68) arranged on a shaft (70) substantially parallel to engine shaft (12) and connecting engine epicyclic gear train (24) to a track (94, 96) for motion transmission to a drive axle (16), said gear train comprising a sun gear (72), a crown (86) and a planet gear carrier (78).