Patents Assigned to Valeo Equipements Electriques Moteur
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Publication number: 20220209678Abstract: 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.Type: ApplicationFiled: May 11, 2020Publication date: June 30, 2022Applicant: VALEO EQUIPEMENTS ELECTRIQUES MOTEURInventor: Romain HENNEGUET
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Patent number: 11374457Abstract: 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).Type: GrantFiled: November 28, 2018Date of Patent: June 28, 2022Assignee: Valeo Equipements Electriques MoteurInventors: Stéphane De Clercq, Vincent Ramet, Julien Pauwels
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Publication number: 20220200386Abstract: 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°.Type: ApplicationFiled: December 14, 2021Publication date: June 23, 2022Applicant: VALEO EQUIPEMENTS ELECTRIQUES MOTEURInventors: Khadija EL BARAKA, Svetislav JUGOVIC, Didier CANITROT
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Publication number: 20220190672Abstract: 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.Type: ApplicationFiled: December 15, 2021Publication date: June 16, 2022Applicant: VALEO EQUIPEMENTS ELECTRIQUES MOTEURInventors: Andre SAUVIGNET, Michael CLAIS, Pierre Yves LEURIDAN, Benjamin POUCHELLE, Fabrice TAUVRON
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Patent number: 11353064Abstract: 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.Type: GrantFiled: June 27, 2018Date of Patent: June 7, 2022Assignee: Valeo Equipements Electriques MoteurInventors: Jimmy Chaillou, Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Mohamed El-Ghazal, Lionel Delecroix, Hubert Debruyne
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Patent number: 11349370Abstract: 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.Type: GrantFiled: April 26, 2018Date of Patent: May 31, 2022Assignee: Valeo Equipements Electriques MoteurInventors: Michel Fakes, Yannick Le-Meitour, Eric Simon, Matthieu Bonnici, Xavier Dunesme, Mathieu Redon
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Patent number: 11336140Abstract: 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.Type: GrantFiled: July 10, 2018Date of Patent: May 17, 2022Assignee: Valeo Equipements Electriques MoteurInventors: Stéphane De Clercq, Geoffrey Wilquin, Sébastien Leclercq
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Publication number: 20220131415Abstract: 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.Type: ApplicationFiled: March 13, 2020Publication date: April 28, 2022Applicant: VALEO EQUIPEMENTS ELECTRIQUES MOTEURInventors: Nicolas LABBE, Gaetan DIDIER, Denis NETTER, Julien FONTCHASTAGNER, Noureddine TAKORABET, Hamidreza ZANDI
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Publication number: 20220115933Abstract: 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.Type: ApplicationFiled: March 3, 2020Publication date: April 14, 2022Applicant: VALEO EQUIPEMENTS ELECTRIQUES MOTEURInventors: Alexis HOSNI, Mathieu VARILLON
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Patent number: 11295916Abstract: 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.Type: GrantFiled: May 4, 2018Date of Patent: April 5, 2022Assignee: Valeo Equipements Electriques MoteurInventors: Romain Guignot, Nicolas Renard, Jean Sébastien Metral, Cyril Bouillard
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Publication number: 20220077763Abstract: 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.Type: ApplicationFiled: December 17, 2019Publication date: March 10, 2022Applicant: Valeo Equipements Electriques MoteurInventors: Laurent Domenger, Panagiotis Giannikopoulos, Hafid Ihaddaden
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Publication number: 20220078939Abstract: 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).Type: ApplicationFiled: December 11, 2019Publication date: March 10, 2022Applicant: Valeo Equipements Electriques MoteurInventors: Ricardo Goncalves-Da-Costa, Manuel Falguier, Romain Henneguet, Christophe Avel, Théo Rodier, Fabien Guerin, Gowardanan Chinnathambi
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Publication number: 20220069758Abstract: 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.Type: ApplicationFiled: December 20, 2019Publication date: March 3, 2022Applicant: Valeo Equipements Electriques MoteurInventors: Mathieu Bertrand, Yann Lecocq, Hicham Lahbil
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Publication number: 20220045637Abstract: 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.Type: ApplicationFiled: December 20, 2019Publication date: February 10, 2022Applicant: Valeo Equipements Electriques MoteurInventors: Laurent Caves, Raphaël Filipe, Michaël Chemin
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Publication number: 20210399598Abstract: A permanent magnet rotor (100) for an electric motor comprises a bell housing (110) comprising an annular wall (112) and at least one permanent magnet (120) fixed to the annular wall by adhesive means (126) sited between a rear face (124) and the annular wall (112). The rear face (124) of the permanent magnet (120) has a receiving zone (134) accepting said adhesive means (126) and defined by a radius of curvature (R?, R2) which is greater than the radius of curvature (R) of the annular wall (112).Type: ApplicationFiled: July 23, 2018Publication date: December 23, 2021Applicant: Valeo Equipements Electriques MoteurInventors: Cordula QUITSCH, Maxime PAGNARD, Aziz BOUGRASSA, Omar BOUGRASSA, Laurent LABASTE-MAUHE, Benjamin LORET, Anthony BRISSET
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Publication number: 20210376682Abstract: 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).Type: ApplicationFiled: November 28, 2018Publication date: December 2, 2021Applicant: Valeo Equipements Electriques MoteurInventors: Stéphane De Clercq, Vincent Ramet, Julien Pauwels
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Patent number: 11159070Abstract: The invention proposes a stator for a rotating electric machine, in particular for a motor vehicle, the stator (15) including: —a body (27) including notches (37) that are opened radially into an internal wall (40) of said body, —at least one winding (43) forming a phase of the stator, the winding formed from turns (54) includes a first half-phase (49) and a second half-phase (50) that are superposed radially in the notch (37), each turn including a series of axial strands (44) that are received in a series of associated notches and connecting strands (45, 46) that connect the successive axial strands (44) by extending alternatively to protrude with respect to the body (27). A length of wire of each turn of one of the half-phases is larger than the length of wire of each turn of the other half-phase. Furthermore, one of the half-phases has a number of turns higher than that of the other half-phase.Type: GrantFiled: January 17, 2018Date of Patent: October 26, 2021Assignee: Valeo Equipements Electriques MoteurInventors: Vincent Ramet, Eric Delcroix, Sébastien Leclercq, Alain Defebvin
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Publication number: 20210288540Abstract: The invention relates primarily to a rotating electrical machine for a motor vehicle including: - a rotor, and - a stator (11) including a winding (17) having a plurality of phases, each phase comprising a plurality of groups of coils (G1-G4), characterized in that said stator (11) is configured such that currents in the groups of coils (G1-G4) are able to flow selectively: - in one and the same direction so as to maximize a number of poles of the rotating electrical machine, or - in opposite directions so as to minimize a number of poles of the rotating electrical machine.Type: ApplicationFiled: July 26, 2019Publication date: September 16, 2021Applicant: Valeo Equipements Electriques MoteurInventors: Jean Claude Mipo, Sophie Personnaz, Zi-Qiang Zhu, Srinivas Mallampalli Satsai
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Publication number: 20210273515Abstract: The invention relates to an interconnection device (1) for a rotary electric machine (100), which device is intended to provide an electrical connection between a stator (2) comprising coils (20) and an electronic power-supply and control module (3), the interconnection device (1) comprising an insulating body (5) and a plurality of connecting members (400) which are arranged on an outer side (55) of the insulating body, each connecting member comprising a body (40) and a connection tongue (41) to at least one coil. At least one combined connecting member further includes a linking lug (42) which is configured to electrically connect at least one coil (20) to the electronic module (3), said linking lug extending the body by being sized so as to cross the insulating body and so that the free end (420) of the linking lug (42) extends from an inner side (56) of the insulating body.Type: ApplicationFiled: June 26, 2019Publication date: September 2, 2021Applicant: Valeo Equipements Electriques MoteurInventors: Aziz Bougrassa, Omar Bougrassa, Laurent Labaste-Mauhe, Maxime Pagnard, Benjamin Loret, Cordula Quitsch, Abdelmalik Hamdani, Anthony Brisset
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Publication number: 20210273596Abstract: 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).Type: ApplicationFiled: June 28, 2019Publication date: September 2, 2021Applicant: Valeo Equipements Electriques MoteurInventors: Hicham Lahbil, Romuald Morvany