Patents Assigned to Valeo Equipements Electriques Moteur
  • Patent number: 10895313
    Abstract: Pulley assembly (111) comprising a hollow shaft (112) with an axis X, the hollow shaft (112) being suitable for being mounted on a shaft of a rotating electrical machine, the hollow shaft comprising at least one thread or tapping (132, 133) and a collar (113) extending radially outwards, wherein said hollow shaft also includes: a nut (128, 129) screwed on the hollow shaft via the thread or tapping; a spring (126) mounted about a portion of the nut; at least one ball bearing (122, 123) tightly fitted to the hollow shaft; a pulley (130), tightly fitted to said at least one bearing, about the spring, the nut and the hollow shaft. The nut (128, 129) includes a radial shoulder (131) mounted between the spring (126, 127) and the ball bearing (122, 123), the spring being held axially between the collar (113) and the radial shoulder (131).
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: January 19, 2021
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Michel Phung, Xavier Collin, Jérome Giry
  • Patent number: 10865808
    Abstract: A fan of a rotary electric machine. The fan has an axis of rotation and comprises a plurality of blades (101). At least one characteristic of the blades is variable in the direction of a circumference of the fan around the axis of rotation for at least four consecutive blades. The at least one characteristic is selected from the group comprising a spacing angle between a straight line passing radially via a characteristic point of one of the blades and the axis of rotation of the fan and a straight line passing via a corresponding characteristic point of an adjacent blade and the axis of rotation of the fan, a height of the blade, a length of the blade, and an angle of inclination between a straight line passing via two characteristic points of a blade, and a straight line passing via two corresponding characteristic points of an adjacent blade.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: December 15, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Michel Fakes, André Sauvignet, Erwan Le Goff, Laurent Dahine
  • Patent number: 10868458
    Abstract: The brush-holder regulator comprises a casing made from an insulating material suitable for being mounted on a rear bearing of an alternator and forming a one-piece assembly with at least one housing suitable for containing brushes allowing an electrical connection to be established with an excitation winding of a rotor of the alternator, an electronic control component (22) connected electrically to a trace circuit (21) overmoulded in the casing, and a cooling radiator (24) for the control component. According to the invention, the control component comprises a back electrode (225) on which the radiator (24) is mounted, the back electrode (225) and the radiator (24) being in electrical and thermal contact and rigidly attached to a portion (216) of the trace circuit.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: December 15, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Laurent Ledoux, Henri-Charles Smaeghe, Hugues Tempez
  • Patent number: 10840749
    Abstract: A rotary electric machine stator (2) includes a stator body (20) and a stator winding (22) supported by the stator body (20), in which the stator body extends around an axis (X) while being delimited by an internal radial surface (3) and an external radial surface (4), said stator bodies having a plurality of teeth (6) formed respectively between two slots (5) arranged in said stator body from the internal radial surface and extending axially to receive at least one stator winding element (22). The stator has at least one deformed tooth (6) which comprises, at its loose end (7) helping to define the internal radial surface, at least one protrusion (10) extending across an adjacent slot, said protrusion (10) being obtained by material deformation of said deformed tooth (6).
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: November 17, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Jimmy Chaillou, Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Mohamed El-Ghazal
  • Patent number: 10840765
    Abstract: The invention primarily relates to an assembly, in particular for a hybrid vehicle, wherein the assembly comprises; an enclosure (46) for receiving a coolant liquid and having an opening (49) for bringing the inside of the enclosure (46) into communication with the outside of the enclosure (46), a rotary electric machine (10) arranged in the enclosure (46) able to be cooled by the coolant liquid, an electrical connector element (51) arranged to be electrically connected to the rotary electric machine (10), the connector element (51) being sealingly mounted in the opening (49) of the enclosure (46) in such a way that the connector element (51) participates in the sealing that prevents the liquid from flowing from the inside of the enclosure (46) to the outside of the enclosure (46) via the opening (49).
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: November 17, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Lilya Bouarroudj, Jean-Claude Labrosse, Règis Seidenbinder
  • Publication number: 20200335996
    Abstract: The regulating device (5) according to the invention for an excitation alternator (9) comprises a voltage feedback loop (6) and a temperature feedback loop (15) comprising means for measuring/estimating temperature supplying a current temperature (T), a comparator (18) generating a temperature error (?T) between a maximum permissible temperature (Tmax) and the current temperature, means for inputting a current speed of rotation of the alternator, a control module (19) supplying a percentage of a maximum permissible excitation (rmax) as a function of the temperature error and a speed correction supplied by speed correction means according to a predetermined correction law as a function of the current rotation speed.
    Type: Application
    Filed: February 28, 2017
    Publication date: October 22, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Pierre Chassard, Pierre Tisserand, Pierre-François Ragaine
  • Publication number: 20200313496
    Abstract: A voltage regulator with brush holder assembly (100) for a rotary electric machine intended for an automotive vehicle, which assembly comprises: —a brush holder comprising brushes that are capable of coming into electrical contact with a rotor of the rotary electric machine in order to apply an excitation signal thereto; —a microcontroller for regulating said excitation signal; —a body made of electrically insulating material, said body taking the overall shape of a T and in which said brush holder and said microcontroller are housed, characterized in that the voltage regulator with brush holder assembly (100) comprises two parts: —a first part (200) forming a central portion of the T-shaped body and extending along a first axis (z1-z2), said first part (200) comprising a housing (201) for accommodating the brush holder and a second part (300) forming a lateral portion of the T-shaped body and extending along a second axis (y1-y2) perpendicular to said first axis (z1-z2), said integrated circuit being housed
    Type: Application
    Filed: December 13, 2016
    Publication date: October 1, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Nathalie Canitrot, Christophe Dugue, Henri-Charles Smaeghe, Julien Battut, Laurent Ledoux, Hugues Tempez, Benjamin Loret, Axel Dos-Santos
  • Patent number: 10763774
    Abstract: The method for controlling a rotating electric machine according to the invention comprises a step of controlling the phase currents of the machine by means of a full-wave control (C). According to the invention, the full-wave control (C) is generated via a pulse width modulated signal of which the signal frequency is greater than an electric frequency of the machine. According to another feature, ascending or descending fronts (24, 25) of the pulse width modulated signal are synchronised with first and second crossings of first and second angular switching thresholds (S1, S2) by an electric position (?) of the machine and a duty ratio (?) of the pulse width modulated signal is periodically refreshed to the signal frequency.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: September 1, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Francois-Xavier Bernard, Luc Kobylanski
  • Publication number: 20200238831
    Abstract: The electrical discharge circuit (106) includes: —two interface terminals (BA, BB), to which the capacitor (C) is intended to be connected and across which a capacitor voltage (uC) is intended to be present; —a current-consuming electrical circuit (108) connected between the two interface terminals (BA, BB) and designed to consume a discharge current (i) from the capacitor (C); and—an electrical control circuit (110) for controlling the current-consuming electrical circuit (108), the electrical control circuit (110) being connected between the two interface terminals (BA, BB) so as to receive the capacitor voltage (uC). The electrical control circuit (110) is designed: —to deactivate the current-consuming electrical circuit (108) when the capacitor voltage (uC) is above a predefined threshold; and—to activate the current-consuming electrical circuit (108) when the capacitor voltage (uC) across the two interface terminals (BA, BB) is below the predefined threshold.
    Type: Application
    Filed: February 23, 2018
    Publication date: July 30, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventor: Philippe Loy-Lafond
  • Publication number: 20200244093
    Abstract: The electrical system (100) includes: —a capacitor (C); —an electrical power supply device (102); —an electrical power receiving device (104); —a current-consuming electrical circuit (108) designed to consume a current (i) entering via a first interface terminal (BA) and exiting via a second interface terminal (BB). The electrical system (100) being designed such that the current-consuming electrical circuit (108) consumes the discharge current (i) when the electrical power supply device (102) is connected to the terminals of the capacitor (C). The current-consuming electrical circuit (108) includes a transistor (Q1) arranged such that the consumed current (i) enters via a current input terminal (C1) of the transistor (Q1) and exits via a current output terminal (E1) of the transistor (Q1), and in that the current output terminal (E1) is connected to a control terminal (B1) of the transistor (Q1) in order to stabilize the transistor (Q1).
    Type: Application
    Filed: March 8, 2018
    Publication date: July 30, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventor: Philippe Loy-Lafond
  • Patent number: 10715000
    Abstract: The invention relates mainly to a rotary electrical machine comprising: a rotor (12); a device (51) for measurement of the angular position of the rotor (12); a stator (11) comprising: a body comprising a plurality of notches; a winding (24) comprising a plurality of phase windings, each having a winding input and a winding output; each phase winding being formed by a plurality of pins (45) inserted in the notches and forming a chignon (40); at least one connector (48) which connects two pins of a single winding; the connector (48) extending opposite the measurement element (52); the connector (48) comprising a portion which is situated radially between an outer periphery of the body (23) and a base of a notch.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: July 14, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Khadija El Baraka, Svetislav Jugovic
  • Patent number: 10700485
    Abstract: The invention relates mainly to an assembly comprising a brush cage and a spiral spring (36), the spiral spring (36) comprising an axis (Y), a wound part (37) wound about the axis (Y) and an arm (39) extending from one end of the wound part (37), the brush cage comprising at least one lateral wall provided with an opening for the passage of the arm (39) through the lateral wall so that one end of the arm (39) can press against at least part of an end face of a brush, wherein the arm (39) comprises a first portion (391) of which the width (L5) measured along the axis (Y) is different from the width (L6) of the wound part (37) measured along the axis (Y) of the spiral spring (36).
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: June 30, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Marie-Ange Nalin, Pierre Mollon, Wilfried Pays, Maximilien Gentil, Alain Bost
  • Publication number: 20200161929
    Abstract: The invention relates mainly to a rotary electric machine for a motor vehicle, having: —a casing (11), —an electronic assembly (47) mounted on the casing, —a protective cover (50) positioned around the electronic assembly (47), and —a screw (55) that extends along an axis (X?) and allows the cover (50) to be fastened to the casing (11) and/or electronic assembly (47). The protective cover (50) has at least one opening that forms a fastening zone into which there extends at least one tongue (56) delimiting a central opening (57) for the screw (55) to pass through. The screw (55) has a screw head (70) and a retaining groove (71) such that the tongues (56) are housed in said groove (71).
    Type: Application
    Filed: July 12, 2018
    Publication date: May 21, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Pierre-Henri Guibert, Grégory Collier
  • Publication number: 20200149591
    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.
    Type: Application
    Filed: June 27, 2018
    Publication date: May 14, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Jimmy Chaillou, Pierre-Yves Bilteryst, Henri Delianne, David Margueritte, Eric Jozefowiez, Sylvain Perreaut, Mohamed El-Ghazal, Lionel Delecroix, Hubert Debruyne
  • Publication number: 20200153309
    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.
    Type: Application
    Filed: April 26, 2018
    Publication date: May 14, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Michel Fakes, Yannick Le-Meitour, Eric Simon, Matthieu Bonnici, Xavier Dunesme, Mathieu Redon
  • Patent number: 10601289
    Abstract: The method according to the invention involves a hot-forging step and a cold-forging step that occurs after the hot-forging step. A polar wheel (10, 11) incorporating a plurality of finite chamfers (102) formed on exterior parts of the polar teeth (10g, 11g) is produced during the hot-forging step. According to the invention, the cold-forging step involves substeps of placing the polar wheel in a die, cold die-stamping the polar wheel with a first and a second blow in the axial direction of the polar wheel, upsetting material onto interior parts of the polar teeth (10g, 11g) so as to form magnet-housing grooves (100) and magnet lips (101).
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: March 24, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Henri Delianne, Michel Bocquel, Herve Ribot
  • Publication number: 20200067363
    Abstract: The present invention provides a stator for a rotating electrical machine, in particular for a motor vehicle, the stator (15) comprising: —a body (27) having notches (37) which open axially into front (38) and rear (39) axial end walls of the body (27) and which are radially open in an inner wall (40) of the body (27), —at least two windings (43), each forming a phase of the stator (15), each winding comprising modulating wire turns which comprise a series of axial strands (44) received in a series of associated notches (37) and connecting strands (45, 46) which connect the successive axial strands (44) and extend alternately beyond the front axial end wall (38) and beyond the rear axial end wall (39). One winding has a shorter wire length than the other winding.
    Type: Application
    Filed: January 8, 2018
    Publication date: February 27, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Vincent Ramet, Sébastien Leclercq, Alain Defebvin, Eric Delcroix
  • Patent number: 10574013
    Abstract: The invention relates mainly to a brush cage (13) for a brush holder (10) of an electric motor comprising:—two lateral walls (26) and a connecting wall (28) connecting the two lateral walls (26),—in which cage at least one of the lateral walls (26) has an opening (43) for the passage of a spring arm,—the lateral wall (26) comprising the opening (43) having a length (L0) measured between a first end (51) intended to be furthest from a commutator and a second end (52) intended to be closest to the commutator, wherein the opening (43) comprises at least a first portion (431) between the two ends (51, 52) which widens out towards the second end (52).
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: February 25, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Marie-Ange Nalin, Maximilien Gentil, Alain Bost, Wilfried Pays, Pierre Mollon
  • Patent number: 10566874
    Abstract: The rotary electrical machine comprises, in front, a pulley (3) secured to a shaft (9) of a rotor (20) passing through the front bearing (1a) of a housing. The bearing includes a base, having a nose (18) for mounting a front ball bearing (7) for rotating the shaft (9), and air inlets (15) defined by arms belonging to an outwardly opening area connecting a peripheral strip of material from the base to the nose (18) in order to shift the nose (18) toward the front in accordance with the central body of a device (100) for adjusting the tension of a belt received in the groove (31) of the pulley (3) and attached onto the housing (1a, 1b). The adjustment device (100) comprises at least one idler (200, 201) for tensioning the belt and a central opening (102) enabling passage of air through the air inlets (15).
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: February 18, 2020
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Ryadh Ben-Omrane, Christophe Monteil, Blaise Rouleau
  • Publication number: 20200052533
    Abstract: The invention relates mainly to a rotating electrical machine (10) for a motor vehicle, comprising:—a rotor;—a stator (11) extending along an axis, said stator (11) comprising a body (24) provided with a plurality of stator teeth (28) defining slots (30, 30?),—the stator (11) comprising a winding with conductors (35) housed in the slots (30, 30?);—in a plane (P) orthogonal to the axis along which the stator (11) extends,—a first slot (30) has a first width (L1) measured in an orthoradial direction, radially in the middle of the first slot (30), and—a second slot (30?), separate from the first slot (30), has a second width (L2) measured along an orthoradial direction, radially in the middle of the second slot (30?); characterised in that the first slot width (L1) is different from the second slot width (L2).
    Type: Application
    Filed: April 19, 2018
    Publication date: February 13, 2020
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Radu Fratila, Jérome Legranger