Patents by Inventor Vincent RAMET

Vincent RAMET has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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: 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
  • 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: 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: 10523095
    Abstract: The invention essentially relates to a method for the production of a winding of a stator (15) comprising a body equipped with slots (28), comprising: a supply step consisting in supplying a winding unit with a bundle of conductors (37); and a pre-forming step consisting in moving the winding unit in relation to the bundle of conductors (37), such as to obtain a bundle of conductors (37) having, for each phase winding (E1-E6), at least two loop structures (39) and at least three segment structures (38), two of the segment structures (38) being positioned such that they can be disposed in the same slot (28) of the stator (15) and the two loop structures (39) connecting said two segment structures (38) stacked on the third segment structure (38).
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: December 31, 2019
    Assignee: Valeo Equipments Electriques Moteur
    Inventors: Ludovic Darras, Vincent Ramet, Jean Duquesne, Denis Even, Larry Sapotille
  • Patent number: 10505409
    Abstract: The invention relates mainly to an outer stator (15) for a rotary electric machine, comprising a body (16) provided with a yoke and teeth (25), with slots (28) being defined between pairs of teeth, as well as a winding comprising conductors having segment structures (38) inserted inside the slots (28). In the stator, the ratio between the width of a slot (L1) covered with a slot insulator (145) and the width of a segment structure (38) covered with enamel (L2) is between 0.9 and 2.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: December 10, 2019
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Ludovic Darras, Vincent Ramet, Mostafa Kadiri, Denis Even, Jean Duquesne, Larry Sapotille
  • Publication number: 20190341823
    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: Application
    Filed: January 17, 2018
    Publication date: November 7, 2019
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Vincent Ramet, Eric Delcroix, Sébastien Leclercq, Alain Defebvin
  • Patent number: 10389188
    Abstract: The invention essentially relates to an outer stator (15) for a rotary electric machine, comprising a body (16) equipped with a yoke and teeth (25) arranged on the internal periphery of the yoke (26), with slots (28) being defined between pairs of teeth (25), in which the teeth do not have roots and the stator also comprises corners (31) at the free ends of the teeth (25) that are curved according to a radius (R), known as the radius of entry (R).
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: August 20, 2019
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Ludovic Darras, Vincent Ramet, Mostafa Kadiri, Denis Even, Jean Duquesne, Larry Sapotille
  • Publication number: 20180083498
    Abstract: The invention relates to a stator (13) for an alternator or an electric machine, which comprises: a cylindrical hub (14) in which a plurality of slots (201) that extend in the axial direction are formed, and a coil (12) mounted in the slots; in which the stator core (14) comprises: a cylindrical base portion (203) forming a cylinder head (203), a plurality of teeth (202) arranged such as to extend from the base portion towards an axial center (X-X), the plurality of slots (201) being defined by the base portion and by an adjacent pair of the teeth (202). For each notch (201) the width at the opening of the notch (l_eo) is smaller than the width (l_ec) at the cylinder head (203).
    Type: Application
    Filed: October 30, 2015
    Publication date: March 22, 2018
    Applicant: VALEO EQUIPEMENTS ELECTRIQUES MOTEUR
    Inventors: Eric SIMON, Matthieu BONNICI, Olivier SAVINOIS, Bruno DANDRE, Vincent RAMET, Stéphane DE CLERCQ, Xavier DUNESME, Jean-Francois GAUTRU, Pierre FAVEROLLE
  • Publication number: 20180034351
    Abstract: The invention relates mainly to a method for winding a stator for a multiphase electric machine, the stator comprising notches and intended to receive conductors of a winding, the winding comprising, for each phase, a coil and forming two systems each comprising a respective group of coils, the method comprising steps of installing conductors in the repeated notches in such a way as to form a winding comprising a plurality of concentric turns, wherein one of the steps of installing the conductors in a series of notches is subdivided into a first step of installing the conductors of a first turn of the first system; followed by a second step of installing the conductors of the first turn of the second system while the first step of installing the conductors of the first system continues.
    Type: Application
    Filed: March 3, 2016
    Publication date: February 1, 2018
    Inventors: Vincent RAMET, Alain DEFEBVIN, Jean DUQUESNE, Jérôme FOURNIER, Stéphane DE-CLERCQ, Sébastien LECLERCQ, Geoffroy WILQUIN
  • Publication number: 20170257000
    Abstract: The invention relates mainly to a rotary electrical machine stator, in particular for a motor vehicle, comprising: a stator body (11) with a central axis, the stator body (11) comprising a series of notches (15); a winding wound in the notches (15) in the stator body (11) forming a first chignon (231) and a second chignon (232) extending axially on both sides of the stator body (11); wherein at least one of the phase windings (PH1-PH3, PH1?-PH3?) is a shielded winding which comprises all the active portions (20) of the layer (C1, CN) situated at one of the radial ends at least of each notch (15) of the series, each extended firstly by a corresponding connection portion (21) of the first chignon (231), and secondly by a corresponding connection portion (21) of the second chignon (232).
    Type: Application
    Filed: March 1, 2017
    Publication date: September 7, 2017
    Inventors: Geoffroy WILQUIN, Stéphane DE-CLERCQ, Vincent RAMET, Sébastien LECLERCQ
  • Publication number: 20170257012
    Abstract: The invention relates to a stator consisting of a plurality of metal sheets (1a, 1b, 1c, . . . , 1n) forming a generally cylindrical packet of metal sheets (1), the stator having a plurality of radial notches (2), each being delimited by two adjacent teeth (3) extending radially and being connected to one another by the proximal end (3A) thereof, the distal ends (3B) thereof defining a cylindrical axial recess capable of receiving a rotor and being provided with tooth roots (4), an insulator (5) for insulating the bottom of the notch which is provided inside the notches and covers the inner wall of the notches along the useful boundary for receiving conductive wires (F), the stator further comprising a plurality of flat shims (6) for closing the notches, wherein each notch-closing shim is arranged inside a notch, at a distance greater than zero from the lower end of the notch-bottom insulator.
    Type: Application
    Filed: September 2, 2015
    Publication date: September 7, 2017
    Inventors: Vincent RAMET, Stéphane DE CLERCQ, Eric MAQUINGHEN
  • Publication number: 20170047796
    Abstract: The invention relates mainly to an outer stator (15) for a rotary electric machine, comprising a body (16) provided with a yoke and teeth (25), with slots (28) being defined between pairs of teeth, as well as a winding comprising conductors having segment structures (38) inserted inside the slots (28). In the stator, the ratio between the width of a slot (L1) covered with a slot insulator (145) and the width of a segment structure (38) covered with enamel (L2) is between 0.9 and 2.
    Type: Application
    Filed: April 9, 2015
    Publication date: February 16, 2017
    Inventors: Ludovic Darras, Vincent Ramet, Mostafa Kadiri, Denis Even, Jean Duquesne, Larry Sapotille
  • Publication number: 20170047797
    Abstract: The invention essentially relates to an outer stator (15) for a rotary electric machine, comprising a body (16) equipped with a yoke and teeth (25) arranged on the internal periphery of the yoke (26), with slots (28) being defined between pairs of teeth (25), in which the teeth do not have roots and the stator also comprises corners (31) at the free ends of the teeth (25) that are curved according to a radius (R), known as the radius of entry (R).
    Type: Application
    Filed: April 9, 2015
    Publication date: February 16, 2017
    Inventors: Ludovic DARRAS, Vincent RAMET, Mostafa KADIRI, Denis EVEN, Jean DUQUESNE, Larry SAPOTILLE
  • Publication number: 20170047830
    Abstract: The invention essentially relates to a method for the production of a winding of a stator (15) comprising a body equipped with slots (28), comprising: a supply step consisting in supplying a winding unit with a bundle of conductors (37); and a pre-forming step consisting in moving the winding unit in relation to the bundle of conductors (37), such as to obtain a bundle of conductors (37) having, for each phase winding (E1-E6), at least two loop structures (39) and at least three segment structures (38), two of the segment structures (38) being positioned such that they can be disposed in the same slot (28) of the stator (15) and the two loop structures (39) connecting said two segment structures (38) stacked on the third segment structure (38).
    Type: Application
    Filed: April 9, 2015
    Publication date: February 16, 2017
    Applicant: VALEO EQUIPMENTS ELECTRIQUES MOTEUR
    Inventors: Ludovic DARRAS, Vincent RAMET, Jean DUQUESNE, Denis EVEN, Larry SAPOTILLE
  • Publication number: 20170040851
    Abstract: The invention primarily relates to a stator of a rotary electric machine, comprising a body (16) provided with a yoke (26) and teeth arranged along an inner periphery of the yoke (26), wherein the teeth, in pairs, define notches. The stator, which is free of tooth roots, further comprises outer indexing means (32) provided along an outer periphery of the yoke (26). The outer indexing means (32) comprise recesses (33) that can engage with rods (34) forming part of an external tool.
    Type: Application
    Filed: April 9, 2015
    Publication date: February 9, 2017
    Inventors: Jean DUQUESNE, Ludovic DARRAS, Vincent RAMET, Larry SAPOTILLE, Mostafa KADIRI, Denis EVEN
  • Publication number: 20170040858
    Abstract: The invention essentially relates to a method for the production of a winding of a rotary electric machine stator, comprising the following steps: forming a winding web (52) comprising a plurality of conductors (37); placing the winding web (52) in a comb (83); winding the winding web (52) around a spindle (105) such as to obtain a winding; and transferring the winding from the spindle (105) to the stator, wherein the winding web (52) is wound around the stator (105) over at least two turns.
    Type: Application
    Filed: April 9, 2015
    Publication date: February 9, 2017
    Applicant: VALEO EQUIPMENTS ELECTRIQUES MOTEUR
    Inventors: Ludovic DARRAS, Vincent RAMET, Jean DUQUESNE, Denis EVEN, Larry SAPOTILLE