Abstract: A rotary electric machine, in particular for a motor vehicle, having a stator including a stator body and a winding, the stator body having a yoke and teeth coming from an internal periphery of the yoke. At least one bearing is provided with a recess intended to receive a means for guiding a shaft in rotation. A cooling chamber is disposed around the stator body and in which a cooling liquid circulates. At least an external portion of the yoke is made of a magnetic composite material, the cooling chamber being delimited at least in part on the one hand by an external periphery of the yoke of the stator body and on the other hand by an internal periphery of the bearing.

Abstract: A control system has a microcontroller (242) that receives a mode request (MR), a command-generating device (244) to supply commands and to transfer the mode request (MS) to an output pin of the microcontroller (242), and a device for detecting accidental starting (258), as well as a pilot (260) that supplies an output command signal to the switch (222; 224). The pilot (260) is connected to the output pin to receive the transmitted mode request (MS). The output pin is connected to an input pin of the microcontroller (242) to receive the transmitted mode request (MS), and the accidental starting detection device (258) detects when the transmitted mode request (MS) received on the input pin indicates a motor mode even though the mode request (MR) received by the microcontroller (242) indicates an alternator mode and, when this is the case, sends an inhibition command (INHIB_P; INHIB_T) to the pilot (260).

Abstract: A regulating module for a rotary electric machine having an operating mode in which a battery of the vehicle is disconnected. The regulating module includes a rotor module and a stator module. The rotor module is arranged to generate a first intermediate setpoint (I_RotRef) on the basis of which is generated the first output quantity (V_Rot) for controlling the rotor, said first intermediate setpoint being determined on the basis of a power potential reference signal (Pdc_MaxRef) and of a speed of rotation (W) of the rotor and being independent of a power or of a control torque of the machine. The stator module is arranged to generate a second intermediate setpoint on the basis of which is generated the second output quantity for controlling the stator, said second intermediate setpoint being determined on the basis of the output voltage of the machine.

Abstract: An assembly for a rotary electric machine includes a bracket having a recess for a rolling bearing, and a preloading member for preloading the rolling bearing, intended to be disposed axially between the end wall of the recess and the rolling bearing. Also included is a holding member for holding the rolling bearing, intended to be disposed radially between the rolling bearing and a lateral wall of the recess. The holding member for holding the rolling bearing is arranged so as to make it possible to axially hold the preloading member in the recess of the bracket before the rolling bearing is inserted into the recess, during a phase of assembly of the rotary electric machine.

Abstract: A winding for an active part of a rotary electric machine having at least one phase system. The winding includes a plurality of phases each including a first power supply pin and a second power supply pin each forming a phase input or output, each power supply pin including a power supply end that extends outside the slot and extends a conductive segment that extends inside the slot. At least one portion of a first power supply end is arranged on an inner periphery of the winding, the first end extending a conductive segment arranged in an external layer and at least one portion of a second power supply end is arranged on an outer periphery of the winding, said second end extending a conductive segment arranged in an internal layer, the inner periphery being closer to the axis than the outer periphery and the internal and external layers forming edge layers.

Abstract: The invention mainly relates to a rotating electrical machine (10) comprising: a rotor (12) provided with a rotor winding (13); a stator (11) provided with a winding (14) having a plurality of phases; a converter (16) comprising rectifying components (17) to which the phases of the stator (11) are connected; a voltage regulator (24) for adapting an excitation current (lexc) applied to the rotor winding (13) according to a difference between an output voltage (Liait) and a reference voltage; at least one current sensor (27) arranged at the output of the rotating electrical machine (10) or on at least one phase of the rotating electrical machine (10); and a diagnostic module (30) that can detect a malfunction of the rotating electrical machine (10) on the basis of a current measurement provided by the current sensor (27).

Abstract: Electronic control system for electric machine and electric assembly. The electronic system includes an electronic power module for converting a DC current into an AC current, and an electronic control module configured to generate a control signal for the electronic power module. The electronic control module includes a first electronic sub-assembly including at least a first trace and at least one electronic control component, the at least one electronic control component being electrically connected to the at least one first trace. A second electronic sub-assembly, separate from the first electronic sub-assembly, includes an electronic control device for generating the control signal and/or an electronic measuring device for measuring an operating parameter of the electronic power module. The second electronic sub-assembly being connected to the first electronic sub-assembly by a first control pin. An electric assembly includes the electronic system and a rotating electric machine.

Abstract: The invention relates to a rotary electric machine for a vehicle comprising an electronic assembly, a stator and an electrical phase connector (10) for a rotary electric machine stator (20). The electrical phase connector (10) comprises a predefined angular configuration of electrical coupling means (130b) so as to carry, respectively, a different electrical phase toward or away from a rotary electric machine stator (20). Each electrical coupling means (130b) is electrically connected to a conductive phase track (110).

Abstract: An assembly includes a rotary electric machine, and an inverter electrically connected to the rotary electric machine. The inverter includes a plurality of power modules, each power module including a first and a second lateral wall, a heat sink having fins disposed on each of said lateral walls, and an electronic module for controlling the plurality of power modules. An interconnector has a first face to which the plurality of power modules are fixed perpendicularly with respect thereto. The power modules are all concentrated over an angular portion (?) of the interconnector, the predefined portion (?) being less than 360°.

Abstract: A rolling bearing device that can be mounted around a shaft of a rotary electric machine of axis X, and axially above a rotor assembly. The rolling bearing device includes a rolling bearing having an inner race and an outer race that are centred on the axis; a target holder which is fixed to the inner race and extends radially with respect to the axis beyond the outer race, and in a base extended by an axial lip, a target which is secured to the target holder and is able to cooperate with a detection means for tracking the rotation of the race about the axis. The base of the target holder includes at least one axially protruding tab designed to axially deform when the base bears against the rotor assembly once the rolling bearing has been mounted on the shaft.

Abstract: The present invention relates to a motor vehicle rotary electric machine (100) drive assembly, the drive assembly comprising a rotor shaft (2) extending along a longitudinal axis (X) and a connecting piece (4) providing connection between the shaft and the torque transmission system comprising a bore (41) for the passage of the rotor shaft, the drive assembly being characterized in that the bore comprises a first wall (41a) extending axially and a cylindrical second wall (41b) extending axially in alignment with the first wall, and in that the rotor shaft comprises: —a first surface (21) extending axially and cooperating with the first wall of the bore to centre the connecting piece around the rotor shaft; and—a second cylindrical surface (22) extending axially and provided with knurling, with a diameter (A) greater than the diameter (A?) of the second wall of the bore, the connecting piece being force-fitted onto the rotor shaft by means of the knurling.

Abstract: The invention relates mainly to a rotary electric machine for a motor vehicle. The machine (10) comprises a shaft (13); a rotor (12); a stator (16) comprising a body (25) provided with slots, and a winding (26) inserted into the slots; a first bearing (37) and a second bearing (38) surrounding an assembly formed by the rotor and the stator and each comprising a housing (40, 44) for rotatably mounting the rotor shaft (13). The first bearing comprises a transverse flange (371) and a cylindrical wall (372) of axial orientation derived from an outer periphery of said flange. The second bearing comprises a transverse flange (48) closing the first bearing and at least one rim (63) projecting from the flange and forming a junction area (64) where it joins the first bearing. Furthermore, the stator body has a region (Z1) of shrink-fitting to the cylindrical wall.

Abstract: The invention mainly concerns a coiling procedure of a stator for a multiphase electrical rotating machine: the said stator comprising grooves, each intended to take up an uneven number of conductors of a coil, the said coil comprising two systems, each comprising one group of conductors (C1-C3, C1?-C3?) respectively, the said procedure comprises stages of installation of the conductors (C1-C3, C1?-C3?) into the said grooves, repeated in order to form a coil comprising several turns (S1-S9) completed alternately according to a first direction of rotation (K1) and according to a second direction of rotation (K2) opposite the first direction of rotation, with the characteristic that at least two changes of direction of rotation (CH1-CH8) from one turn to the other are carried out in different angular zones.

Abstract: Transmitter or receiver resonant circuit for carrying out contactless power transmission via resonant inductive coupling to a receiver or transmitter resonant circuit, comprising a first capacitance and a first winding, the first winding comprising an inductance and a first resistance, the transmitter resonant circuit comprising a second capacitance of value C2? and a second winding, the second winding comprising a second inductance of value L2? and a second resistance of value R2?, the transmitter resonant circuit having a natural angular frequency u>2 such that w2=1/V(L2?×C2?) and a natural frequency f2 such that f2=w2/(2?), characterized in that the value of the second inductance varies in a predetermined manner.

Abstract: An electronic system includes a casing including a first bearing surface, a first busbar attached to the casing and including a first connection end having a first connection surface, and an electronic unit having a second bearing surface and including a second busbar having a second connection end having a second connection surface. The second bearing surface is intended to slide on the first bearing surface when the electronic unit is inserted into the casing. One from among the first bearing surface and the second bearing surface includes a ramp that is inclined relative to the insertion direction for deforming the second busbar so as to bring the second connection surface closer to the first connection surface when the electronic unit is inserted into the casing. An electrical assembly may include such an electronic system and a rotary electric machine.

Abstract: A starter switch (2) comprises a housing (3) extending along an axis (X) that delimits at least one interior space (4), at least one coil (5) housed in said interior space (4), at least one fixed core (10) passed through by a shaft (6) that is movable in translation along the direction of the axis (X) and at least one cavity (12) comprising an electrical connection area, said cavity being separated from the interior space (4) by the fixed core (10). The starter (1) switch (2) comprises at least one sealing device (22) providing a seal between the interior space (4) of the starter (1) switch (2) and the cavity (12) comprising the connection area.

Abstract: The voltage converter (104) comprises:—a power module (110) comprising at least one controllable switch intended to switch in order to perform a voltage conversion;—a heat sink (206) having an upper face opposite a lower face of the power module (110) for dissipating heat emitted by the power module (110); and—at least one resilient element (308) bearing on an upper face of the power module (110) in order to hold the power module (110) in place relative to the heat sink (206). Each resilient element (308) is rigidly connected to the heat sink (206).

Abstract: The invention relates to a switch system (1) comprising a power line (2) for supplying a charge from a voltage source (+Vbat), said power line having a main switch (Q1) comprising a first main terminal (D) and a second main terminal (S), between which a main current (Ip) is intended to pass, and a control terminal (G) for selectively placing the main switch (Q1) in a closed, open or semi-closed state, the main switch (Q1) in its semi-closed state being equivalent to a variable resistor controlled by the control terminal and connected between the first and the second main terminal, characterized in that the switch system (1) further comprises a current-limiting device (3) designed to, when the main current (Ip) exceeds a maximum current threshold, decrease a control current (Ig) entering the control terminal (G), so as to cause the main switch (Q1) to transition from the closed state to the semi-closed state, so as to limit the main current.

Abstract: The invention relates to a system 1 for controlling a voltage converter comprising a plurality of high-side switches forming a high group and a plurality of low-side switches forming a low group, the control system 1 comprising: a module 10 for measuring a voltage V of the DC voltage source B, a module 11 for comparing the measured voltage V with a first safety threshold OV1, a control module 12 for controlling a first group of switches so as to close chosen from the high group or the low group, if the comparison module 11 indicates that the measured voltage V is higher than the first safety threshold OV1.

Abstract: A method for controlling a multi-phase rotary electric machine is disclosed. The stator of the machine is controlled by a control bridge having a plurality of parallel mounted switching arms, with each arm comprising a high-side switch and a low-side switch connected at a center tap connected to a phase of said rotary electric machine. The machine operates as a generator and is connected to an electrical network on board a motor vehicle. The method involves short-circuiting a phase winding of the stator when a measurement of the voltage of said network exceeds a first predetermined value, and after this, activating a switching arm, the center tap of which is connected to said at least one short-circuited phase winding, during which the intensity in the short-circuited winding is measured, if the measured intensity is positive, the high-side switch of said activated switching arm is moved to the closed position, otherwise, it is moved to the open position.