Patents by Inventor Jean Duquesne

Jean Duquesne 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).

  • Patent number: 11923740
    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: Grant
    Filed: December 19, 2018
    Date of Patent: March 5, 2024
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Vincent Ramet, Jean Duquesne, Stéphane De Clercq, Julien Pauwels, Humberto Menezes, Laurent Delassus
  • Patent number: 11621617
    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 parallel 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: Grant
    Filed: December 19, 2018
    Date of Patent: April 4, 2023
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Vincent Ramet, Jean Duquesne, Stéphane De Clercq, Julien Pauwels, Laurent Delassus, Humberto Menezes
  • Publication number: 20220385048
    Abstract: An electrical conductor for a rotating electrical machine wound component includes a body formed of an electrically conductive material and a coating layer formed of an electrically insulating material, the coating layer partially covering the body. The conductor is formed of a first portion, referred to as the main portion, in which the body is covered by the coating layer, a second portion, referred to as the intermediate portion, in which the body is covered with residue of the coating layer, and a third portion, referred to as the stripped portion, in which the body is bare. The intermediate portion is arranged between the main portion and the stripped portion.
    Type: Application
    Filed: December 14, 2020
    Publication date: December 1, 2022
    Applicant: VALEO EQUIPEMENTS ELECTRIQUES MOTEUR
    Inventors: Jean DUQUESNE, Vincent RAMET, Stephane DE-CLERCQ, Humberto TELES DE MENEZES, Denis BODIN, Claire SCHAYES
  • 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
  • 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
  • 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: 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: 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: 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: 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
  • Patent number: 4669109
    Abstract: A telephone apparatus, such as a public telephone, in which a voice and tone signals transmitting medium between a fixed station connected to a telephone line and a handset detachable from the station is free of disturbance. A modulation circuit for transmitting voice and tone signals from the telephone line to the handset and a demodulation circuit for transmitting voice signals from the handset to the telephone line are included in the station and are connected respectively to a demodulation circuit connected to an earphone of the handset and to a modulation circuit connected to a microphone of the handset, via two low frequency magnetic coupling coils. The circuits contained in the handset are remote supplied by a power supply circuit included in the station, via third magnetic coupling coils.
    Type: Grant
    Filed: February 24, 1986
    Date of Patent: May 26, 1987
    Inventors: Jean-Pierre Le Cheviller, Jean Duquesne, Ren/e/ Dupuy