Patents Assigned to Valeo Equipements Electriques Moteur
  • Publication number: 20210399598
    Abstract: 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: Application
    Filed: July 23, 2018
    Publication date: December 23, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Cordula QUITSCH, Maxime PAGNARD, Aziz BOUGRASSA, Omar BOUGRASSA, Laurent LABASTE-MAUHE, Benjamin LORET, Anthony BRISSET
  • Publication number: 20210376682
    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).
    Type: Application
    Filed: November 28, 2018
    Publication date: December 2, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Stéphane De Clercq, Vincent Ramet, Julien Pauwels
  • Patent number: 11159070
    Abstract: 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: Grant
    Filed: January 17, 2018
    Date of Patent: October 26, 2021
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Vincent Ramet, Eric Delcroix, Sébastien Leclercq, Alain Defebvin
  • Publication number: 20210288540
    Abstract: 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: Application
    Filed: July 26, 2019
    Publication date: September 16, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Jean Claude Mipo, Sophie Personnaz, Zi-Qiang Zhu, Srinivas Mallampalli Satsai
  • Publication number: 20210273515
    Abstract: 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: Application
    Filed: June 26, 2019
    Publication date: September 2, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Aziz Bougrassa, Omar Bougrassa, Laurent Labaste-Mauhe, Maxime Pagnard, Benjamin Loret, Cordula Quitsch, Abdelmalik Hamdani, Anthony Brisset
  • Publication number: 20210273526
    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).
    Type: Application
    Filed: June 26, 2019
    Publication date: September 2, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Mostafa Kadiri, Pierre Faverolle, Matthieu Mallevaey, Ludovic Doffe, Gauthier Ryckeboer
  • Publication number: 20210268914
    Abstract: The invention mainly relates to a method for controlling a rotating electrical machine (21) of a motor vehicle, the motor vehicle comprising a thermal drive chain (10) comprising a heat engine (11) connected to a gearbox (12) by means of a clutch (13), said electrical machine being integrated in the thermal drive chain or in a drive chain independent of the heat engine, characterised in that, when the clutch (13) is open and the rotating electrical machine (21) operates in motor mode in order to ensure the electrical operation of the motor vehicle, said method comprises:—a step of generating a setpoint torque (Tcons) corresponding to a desire of the driver to accelerate;—a step of determining a pulsed compensation torque (Tcomp) for torque oscillations (Tosc) generated by the drive chain (10);—a step of combining the setpoint torque (Tcons) and the previously determined pulsed compensation torque (Tcomp) in order to obtain a resulting modified setpoint torque (Tcons?); and—a step of applying the resulting mod
    Type: Application
    Filed: June 28, 2019
    Publication date: September 2, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventor: Joachim Laupa
  • Publication number: 20210273596
    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).
    Type: Application
    Filed: June 28, 2019
    Publication date: September 2, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Hicham Lahbil, Romuald Morvany
  • Publication number: 20210257876
    Abstract: The invention mainly concerns a rotating electrical machine, in particular for a motor vehicle, comprising a bearing (15) comprising a recess (17) for receiving a shaft bearing guiding the rotation of the shaft, characterised in that the bearing (15) comprises: —a first part (15. I) produced from a first material comprising: —the recess (17) for receiving the shaft bearing, —an interface (51) for mounting a bearing (50) of a pinion (49) external to the rotating electrical machine, and —a second part (15.2) produced from a second material comprising: —a transverse wall (53), and —a skirt (54) extending from the transverse wall (53) at least partially surrounding the stator (11), —the second part (15.2) being overmoulded on the first part (15.1) so as to form a strong bearing (15).
    Type: Application
    Filed: July 24, 2019
    Publication date: August 19, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Cédric Ledieu, Jean-Claude Labrosse
  • Publication number: 20210242710
    Abstract: The present invention relates to a device (10) for powering a rotating electrical machine (13) of a motor vehicle, comprising: —an amplifier (15) capable of being electrically powered by the first electrical energy storage unit (11) and capable of electrically powering the second electrical energy storage unit (12), characterised in that the amplifier (15) comprises an oscillating circuit (16), the oscillating circuit (16) comprising a capacitance (C) of value C? and an inductive assembly comprising an inductance (L) of value L? and a resistance (R) of value R?, —the oscillating circuit (16) having a specific angular frequency ? such that ?=I/?(L?×C?) and a natural frequency f such that f=?(2?), and in that the value of the inductance (L) is variable in a predetermined manner, in particular so as to increase an electric current, supplied by the first electrical energy storage unit (11) to the oscillating circuit (16), into an amplified current supplied by the oscillating circuit (16) to the second electrical
    Type: Application
    Filed: April 3, 2019
    Publication date: August 5, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventor: Nicolas Labbe
  • Publication number: 20210234444
    Abstract: The invention relates to a stator (2) comprising an annular body (4) having a side face (6) from which a plurality of radial teeth (8) extend, said teeth being angularly spaced in such a way as to define slots (10), and a plurality of conductive needles (15A, 15B), each conductive needle comprising two conductive segments (16A, 16B, 16C, 16D) connected by an elbow connector (18), the conductive segments being stacked one above the other in the slots (10) so as to form N layers which are parallel or substantially parallal to the side face (6) of the annular body. Each conductive needle (15A, 15B) comprises a conductive segment present in two separate slots, with one conductive segment present in a slot E in such a way as to occupy a layer (Ci) and another conductive segment present in a slot E+P in such a way as to occupy a layer (Ci+2), P being a pitch that is predetermined in a first direction of orientation.
    Type: Application
    Filed: December 19, 2018
    Publication date: July 29, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Vincent Ramet, Jean Duquesne, Stéphane De Clercq, Julien Pauwels, Laurent Delassus, Humberto Menezes
  • Patent number: 11075551
    Abstract: A stator of a rotary electrical machine has a stator body formed by a stack of metal sheets. The stator body is delimited by inner and outer radial surfaces. Notches in the stator body extend axially. Each notch has a notch base and a notch opening, and the notch opening is on the side of the inner radial surface. A stator winding is supported by the stator body, and the winding has a plurality of winding parts. Each part is accommodated in one of the notches. Each of the notches at the notch opening has a closure element. Each winding par in a notch is retained between the notch base and the closure element. The closure elements are formed by offsetting at least one of the metal sheets of an adjacent notch in the direction of the notch.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: July 27, 2021
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Patrice Balthaze, Julien Battut
  • Patent number: 11058036
    Abstract: An electronic assembly for a rotary electric machine for a motor vehicle is disclosed. The electronic assembly includes electronic component blocks having different thermal dissipation needs, the blocks including a power block and a control block. The assembly also includes a device for cooling the blocks and having a protective cover suitable for covering the power and control blocks. The protective cover includes a first set of openings configured to be positioned opposite a first cooling element coupled to the power block, and opposite the control block, the first cooling element being a first dissipator provided with a base plate, the base plate protruding with respect to the power block to create a first radial flow of cooling air (F1) for the power block and a second radial flow of cooling air (F2) for the control block.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: July 6, 2021
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Manuel Falguier, Michel Fakes, Fabien Guerin, Yannick Le-Meitour, Alexis Hosni
  • Publication number: 20210194301
    Abstract: The invention relates to a rotor (11) for an electrical machine, in particular for a motor vehicle, having an axis of rotation (X), a rotor radius (Rr), a polar step (?), and including a body (31) comprising a plurality of rotor teeth (40) defining cavities (36) in which permanent magnets (37) are accommodated, each rotor tooth (40) comprising a single lip (41) for radial retention of a permanent magnet, and an assembly of magnetic poles (50), each pole having a curvature in the form of an arc of a circle, the said arc of a circle being defined by a radius of curvature (Rc), a centre of curvature (Cc), and a polar angle (2?p), the said rotor having a ratio (r) between the radius of curvature (Rc) and the rotor radius (Rr) contained between 0.52 and 0.63, and a ratio (?) between the polar half-angle (?p) and the polar step (?) contained between 0.62 and 0.80.
    Type: Application
    Filed: December 10, 2020
    Publication date: June 24, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Rijaniaina Njakasoa Andriamalala, Mamy Rakotovao, Johnny Duarte
  • Publication number: 20210184614
    Abstract: The control system comprises an amplifier (264; 266) designed to receive an input control signal (cmd*; cmd*), in order to amplify the input control signal (cmd*; cmd*) so as to obtain an output control signal (CMD*; CMD*) and to apply the output control signal (CMD*; CMD*) to the switch (222; 224) in order to either open or close the switch (222; 224), the amplifier (264; 266) having two, positive and negative, supply terminals intended to receive a supply voltage. It moreover comprises an inhibiting device (310; 314) for the amplifier (264; 266) designed to lower the supply voltage on receiving what is referred to as a total inhibit control (INHIB_T) so that the output control signal (CMD*; CMD*) keeps the switch (222; 224) open irrespective of the input control signal (cmd*; cmd*).
    Type: Application
    Filed: May 28, 2019
    Publication date: June 17, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventor: Romuald Morvany
  • Publication number: 20210175764
    Abstract: The invention relates to a stator (200) comprising an annular body (210) provided with a plurality of slots (213) and a winding (400) comprising a first series (A) of needles (1) and a second series (B) of needles (1) which are arranged in the slots (213) in a plurality of superimposed layers (C1-C4), each needle (1) comprising a first segment (1A) and a second segment (1B) which are each arranged in different slots (213) and connected by an elbow connector (1C). According to the invention, the first segments (1A) and the second segments (1B) of the first series (A) are respectively arranged in a first layer (C1) and in a second layer (C2) and the first segments (1A) and the second segments (1B) of the second series (B) are respectively arranged in a third layer (C3) and in a fourth layer (C4), the first series (A) being electrically connected to the second series (B).
    Type: Application
    Filed: December 19, 2018
    Publication date: June 10, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Vincent Ramet, Jean Duquesne, Stéphane De Clercq, Julien Pauwels, Humberto Menezes, Laurent Delassus
  • Publication number: 20210167656
    Abstract: The invention relates to a rotary electric machine, in particular for a motor vehicle, including: a stator (100) comprising a stator body (110) and an electrical coil, said electrical coil including a plurality of phase windings (120) forming a bundle (125) that protrudes from an axial end face of the stator body, each phase winding including an end forming a coil connection point (122); and at least one electrical connection member (150) positioned in continuation of the stator (100) and comprising at least one electrically conductive element (155) which is overmolded with an electrically insulating material (126) and extends radially out of the electrically insulating material to form at least two connection outputs (153, 154) to which the connection points are connected.
    Type: Application
    Filed: July 24, 2019
    Publication date: June 3, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Vincent Romagnolo, Christopher Riche, Ronald Malbranque
  • Publication number: 20210134549
    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.
    Type: Application
    Filed: May 4, 2018
    Publication date: May 6, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Romain Guignot, Nicolas Renard, Jean Sébastien Metral, Cyril Bouillard
  • Patent number: 10992204
    Abstract: The invention relates mainly to a rotary electrical machine including: a bearing (12); a stator (11) including a stator body (13); and a tubular ring (27), said stator body (13) being mounted braced in the ring (27); a cooling chamber (28) for circulating coolant liquid defined by an outer periphery of said tubular ring (27) and an inner periphery of said bearing (12); said bearing (12) including an intake and an outlet of coolant liquid, said machine including a separating wall (42) for separating said cooling chamber (28) extending between said intake and said outlet of coolant liquid, said separating wall (42) being added relative to said tubular ring (27) and including at the ends thereof attachment members for holding said wall (42) on said tubular ring (27).
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: April 27, 2021
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Virginie Leroy, Michaël Hanquez, Hugues Gervais
  • Publication number: 20210119506
    Abstract: The invention pertains primarily to a rotary electric machine, in particular for a motor vehicle, including: —a stator comprising a body provided with teeth delimiting slots and a winding that is housed in the slots of the stator body; —a rotor (12) comprising a body (21) and poles (22) that are formed by permanent magnets (23), characterized in that —two successive polar angles, each corresponding to a circumferential extent of a pole (22), or —two successive dual polar angles (A0-A4), each corresponding to a circumferential extent of two adjacent poles (22), —exhibit an angular difference in relation to one another that is dependent on an angular offset parameter (6) related to a stator pitch.
    Type: Application
    Filed: June 25, 2019
    Publication date: April 22, 2021
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Radu Fratila, Adham Kaloun