Abstract: A smart motor having a permanent magnet synchronous machine and an electronic control unit, the synchronous machine including one or two permanent magnet rotor(s) and at least one six-phase stator per rotor endowed with at least two three-phase assemblies each formed of three windings electrically coupled in a star, the electronic control unit including one control inverter per stator equipped with six independent arms each configured to control one phase of a six-phase stator. The three-phase assemblies are magnetically and electrically decoupled with respect to one another.

Abstract: A smart motor having an electromechanical converter endowed with a rotating portion defining an axial direction and a radial direction, an electronic control unit, an electrical filter and a housing having a cooling device, the electromechanical converter, the electronic control unit and the filter being accommodated inside the housing, and the electronic control unit comprising an electrical converter configured to power the electromechanical converter. The housing is cylindrical and the electrical converter includes one or more electronic board(s) forming a hollow cylinder.

Abstract: A smart motor having a permanent magnet synchronous machine and an electronic control unit, the synchronous machine including one or two permanent magnet rotor(s) and at least one six-phase stator per rotor endowed with at least two three-phase assemblies each formed of three windings electrically coupled in a star, the electronic control unit including one control inverter per stator equipped with six independent arms each configured to control one phase of a six-phase stator. The three-phase assemblies are magnetically and electrically decoupled with respect to one another.

Abstract: A generator arranged to be driven by an aircraft engine, the generator comprising a stator and a rotor. The stator comprises a stator core and a plurality of slots longitudinally extending in a direction of a longitudinal axis of the stator, for receiving conductors to form windings of the stator, and a plurality of power channels. Each power channel comprises a set of windings having at least a first phase winding including a first set of coils comprising a plurality of conductors wound in a lap winding configuration, the first set of coils having a split phase belt such that the first set of coils comprises at least a first coil and a second coil, the first coil being mechanically shifted with respect to the second coil by a predetermined number of slots of the stator. The rotor comprises a permanent magnet adapted to reduce eddy-current losses.

Abstract: The present disclosure relates to an electric drive motor (101; 201) for a vehicle. The electric drive motor (101; 201) has a stator (103) having a plurality of slots (107); and a rotor (102; 202) having a plurality of poles (106; 206). The poles (106; 206) each have at least a first permanent magnet (104; 204) centred on a d-axis of the pole (106; 206); and a plurality of flux barriers (109; 209) for disrupting at least an n-th order torque harmonic of the electric drive motor (101). Proximal to an outer surface of the rotor (102; 202), a first angular period (x11) between first and secondary flux barriers is defined by the equation (xi1=tao/n1), whereby: (xi1) is the first angular period; (tao) is the pole step; and n1 is an order number of a torque harmonic to be disrupted.

Abstract: In one aspect of the invention for which protection is sought there is provided an electric machine comprising a substantially circular rotor and a stator, wherein the stator comprises at least one substantially arcuate segment. Aspects of the invention also relate to a stator segment comprising at least one inter-pole shield disposed between adjacent teeth. Further aspects of the invention also relate to a stator segment having a first shield disposed at a first circumferential end thereof and/or a second shield disposed at a second circumferential end thereof. Aspects of the invention also relate to a stator segment having a radially outwardly directed protuberance.

Abstract: The present disclosure relates to an electric machine (1) having a rotor (5) and a stator (4). The rotor (5) has a plurality of rotor poles (12). The stator (4) is part-annular and has a plurality of stator teeth (9) each having a winding. The stator (4) includes a plurality of sets (S1-9) of said stator teeth (9), each set (S1-9) comprising more than one stator tooth (9). The sets (S1-9) are magnetically de-coupled from each other. The windings (11) on the stator teeth (9) in each set (S1-9) are in different phases (A, B, C). The present disclosure also relates to a vehicle (2) having an electric machine (1) of the type described herein.

Abstract: The present application relates to an electric machine (1) including a rotor (13) and a stator (11). The stator has a first set of teeth and each tooth in the first set has a first winding (21) The stator also has a second set of teeth and each tooth in the second set has a second winding (41). The first winding (21) has a first winding count and the second winding (41) has a second winding count. The first and second winding counts are different from each other. The electric machine has particular application in cranking an internal combustion engine. The present application also relates to a related control apparatus (50) and a vehicle.

Abstract: The present disclosure relates to an electric drive motor (101; 201) for a vehicle. The electric drive motor (101; 201) has a stator (103) having a plurality of slots (107); and a rotor (102; 202) having a plurality of poles (106; 206). The poles (106; 206) each have at least a first permanent magnet (104; 204) centred on a d-axis of the pole (106; 206); and a plurality of flux barriers (109; 209) for disrupting at least an n-th order torque harmonic of the electric drive motor (101). Proximal to an outer surface of the rotor (102; 202), a first angular period (x11) between first and secondary flux barriers is defined by the equation (xi1=tao/n1), whereby: (xi1) is the first angular period; (tao) is the pole step; and n1 is an order number of a torque harmonic to be disrupted.

Abstract: The present application relates to an electric machine (1) including a rotor (13) and a stator (11). The stator has a first set of teeth and each tooth in the first set has a first winding (21) The stator also has a second set of teeth and each tooth in the second set has a second winding (41). The first winding (21) has a first winding count and the second winding (41) has a second winding count. The first and second winding counts are different from each other. The electric machine has particular application in cranking an internal combustion engine. The present application also relates to a related control apparatus (50) and a vehicle.

Abstract: In one aspect of the invention for which protection is sought there is provided an electric machine comprising a substantially circular rotor and a stator, wherein the stator comprises at least one substantially arcuate segment. Aspects of the invention also relate to a stator segment comprising at least one inter-pole shield disposed between adjacent teeth. Further aspects of the invention also relate to a stator segment having a first shield disposed at a first circumferential end thereof and/or a second shield disposed at a second circumferential end thereof. Aspects of the invention also relate to a stator segment having a radially outwardly directed protuberance.

Abstract: Reprographic or imaging systems and methods issue a command to place multiple finishing devices into an alternating delivery mode such that consecutive sets are sent to different finishing devices, rather than to the same finishing device.

Abstract: The present invention provides a cryoprotective aqueous composition for removing frost from lawns and for preventing the appearance thereof, characterized in that it comprises two or more alcohols and at least one wetting compound. Likewise, the invention provides a method for removing frost from lawns, consisting of applying the cryoprotective aqueous composition, in diluted form, directly on the lawn surface by means of spraying.

Abstract: Reprographic or imaging systems and methods issue a command to place multiple finishing devices into an alternating delivery mode such that consecutive sets are sent to different finishing devices, rather than to the same finishing device.

Abstract: New flexible polyurethane foams are described, suitable for use in the interior linings of cars, with a reduced fogging effect, whose content by weight of the cyclic adipate of diethylene glycol, 8,13-dioxo-1,4,7-trioxacyclotridecane, is less than 0.25% and preferably less than 0.17%. Also described are polyester polyols, suitable for preparing these polyurethane foams, whose content by weight of the cyclic adipate of diethylene glycol, 8,13-dioxo-1,4,7-trioxacyclotridecane, is less than 0.4% and preferably less than 0.25%.