Patents by Inventor Julien DESTRAVES
Julien DESTRAVES 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).
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Publication number: 20230166570Abstract: The invention relates to a device for measuring an operating variable, to be fitted onto a tyre, comprising: an electronic circuit distributed over a first face of an electronic board and comprising a sensor; a protective housing at least partially covering the electronic circuit; and at least one first antenna wire having one end galvanically connected to the electronic circuit and integrally extending so as to project laterally from the housing; According to the invention, the housing comprises a lateral portion which projects substantially tangentially to a proximal end portion of the first wire in accordance with the generatrix of said first wire.Type: ApplicationFiled: March 22, 2021Publication date: June 1, 2023Inventors: Julien DESTRAVES, Lionel FAGOT-REVURAT, Éric BAILLY, Antoine CANU, David VERA
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Publication number: 20230014878Abstract: A tire fitted with a transponder comprises: a crown comprising a crown reinforcement having an axial end at each of its edges, connected at each of its axial ends by a sidewall to a bead having an interior end; a carcass reinforcement layer formed of parallel reinforcers, which is anchored in each bead around a bead wire to form a main part and a turn-up; the transponder comprising a core defining a first axis, a first cover filament helically twisted around the core and an electrical insulation device; and the first cover filament comprising at least two conductive filamentary elements galvanically connected to an electronic chip comprising a radiofrequency transmission-reception component. The thickness of elastomeric compound separating the outer cover filament, located radially outermost with respect to the first axis, and the reinforcements is greater than 0.5 millimeters.Type: ApplicationFiled: December 2, 2020Publication date: January 19, 2023Inventors: JULIEN DESTRAVES, PIERRE GUINAULT, MICHEL ROBERT
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Patent number: 11548331Abstract: A tire casing is equipped with a radiofrequency transponder and includes a crown, two sidewalls and two beads revolving around a reference axis, first threads forming outward segments and return segments that are arranged adjacently, aligned circumferentially, anchored in the two beads with, in each bead, loops in each case linking an outward segment to a return segment and, in each bead, means for anchoring the first threads, comprising second threads oriented circumferentially axially bordering the first threads and forming at least one spiral, the first threads forming at least one circumferential alignment defining the carcass ply that separates said tire casing into two zones, inside and outside with respect to this carcass ply.Type: GrantFiled: November 30, 2017Date of Patent: January 10, 2023Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Julien Destraves, Annabel Tourenne, Sebastien Noel, Jean-Mathieu Clergeat, Isabelle Aldon
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Publication number: 20220388354Abstract: A tire having a transponder comprises: a crown which has a crown reinforcement with an axial end at each edge, joined at each of its axial ends to a bead, which has an inner end, by a sidewall; a carcass reinforcement which is formed of adjacent first wires and is anchored in each bead around a spiral formed by second wires; the transponder comprising a core defining a first axis, a first cover wire helically wound around the core and an electrical insulation device; and the first cover wire comprising at least two conductive wire elements galvanically connected to an electronic chip comprising a radiofrequency transceiver component. The thickness of the elastomer mixture separating the outer cover wire, which is located furthest outwards from the first axis, and the reinforcements is greater than 0.5 millimeter.Type: ApplicationFiled: December 2, 2020Publication date: December 8, 2022Inventors: JULIEN DESTRAVES, PIERRE GUINAULT, MICHEL ROBERT
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Publication number: 20220371386Abstract: A tire fitted with a transponder comprises: a crown comprising a crown reinforcement having an axial end at each of its edges, connected at each of its axial ends by a sidewall to a bead having an interior end; a carcass reinforcement layer formed of parallel reinforcers, which is anchored in each bead around a bead wire to form a main part and a turn-up; and the transponder comprising a dipole antenna consisting of a spring defined by a pitch P and a diameter D. A ratio between the pitch (P1) and the diameter (D1) for a loop of a first region of the spring is greater than 0.8, and the transponder is situated axially on the outside of an interior end of the bead and radially between the upper end of the bead wire and the axial end of the crown reinforcement.Type: ApplicationFiled: September 22, 2020Publication date: November 24, 2022Inventors: JULIEN DESTRAVES, LAURENT COUTURIER, PIERRE GUINAULT, EMMANUEL JOULIN, SEBASTIEN FREDON
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Publication number: 20220348043Abstract: A tire fitted with a transponder comprises: a crown comprising a crown reinforcement having an axial end at each of its edges, connected at each of its axial ends by a sidewall to a bead having an interior end; a carcass reinforcement layer formed of parallel metal reinforcers, which is anchored in each bead around a bead wire to form a main part and a turn-up; and the transponder comprising a dipole antenna consisting of a spring defined by a pitch P and a diameter D. A ratio between the pitch (P1) and the diameter (D1) for a loop of a first region of the spring is greater than 0.8, and the transponder is situated axially on the outside of an interior end of the bead and radially between the upper end of the bead wire and the axial end of the crown reinforcement.Type: ApplicationFiled: September 22, 2020Publication date: November 3, 2022Inventors: JULIEN DESTRAVES, SEBASTIEN FREDON, PIERRE GUINAULT, EMMANUEL JOULIN, LAURENT COUTURIER
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Publication number: 20220339976Abstract: A tire fitted with a transponder comprises: a crown comprising a crown reinforcement having an axial end at each of its edges, connected at each of its axial ends by a sidewall to a bead having an interior end; a carcass reinforcement, formed of adjacent first threads, which is anchored in each bead around a spiral formed by second threads; and the transponder comprising a dipole antenna consisting of a spring defined by a pitch P and a diameter D. A ratio between the pitch (P1) and the diameter (D1) for a loop of a first region of the spring is greater than 0.8, and the transponder is situated axially on the outside of an interior end of the bead and radially between the upper end of the spiral and the axial end of the crown reinforcement.Type: ApplicationFiled: September 22, 2020Publication date: October 27, 2022Inventors: JULIEN DESTRAVES, SEBASTIEN FREDON, PIERRE GUINAULT, EMMANUEL JOULIN, LAURENT COUTURIER
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Patent number: 11295193Abstract: A radiofrequency transponder comprises a radiating antenna consisting of a single-strand helical spring having an axis, a median plane, a pitch and a diameter for a given wire diameter, and an electronic portion located inside the radiating antenna. The electronic portion comprises an electronic chip electrically connected to a primary antenna that is electromagnetically coupled to the radiating antenna. The primary antenna has an axis parallel to the axis of the radiating antenna and a median plane superposed with the median plane of the radiating antenna. The primary antenna is circumscribed by a cylinder the diameter of which is larger than one third of the inside diameter of the radiating antenna.Type: GrantFiled: March 27, 2019Date of Patent: April 5, 2022Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Julien Destraves, Thomas Caro, Jean-Mathieu Clergeat, Laurent Couturier, Guillaume Portier
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Patent number: 11264698Abstract: A passive radiofrequency transponder comprises a radiating dipole antenna consisting of a single-strand helical spring having an axis, a median plane, a pitch and a diameter for a given wire diameter, and an electronic portion located inside the radiating antenna. The electronic portion comprises an electronic chip electrically connected to a primary antenna that is electromagnetically coupled to the radiating antenna. The primary antenna has an axis parallel to the axis of the radiating antenna and a median plane superposed with the median plane of the radiating antenna. The primary antenna is circumscribed by a cylinder the diameter of which is larger than one third of the inside diameter of the radiating antenna.Type: GrantFiled: March 27, 2019Date of Patent: March 1, 2022Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Julien Destraves, Thomas Caro, Jean-Mathieu Clergeat, Laurent Couturier, Guillaume Portier
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Patent number: 11235627Abstract: A system for measuring parameters of a mounted assembly comprises an electronic device for measuring parameters of the mounted assembly and a bonding interface made of elastomeric material surrounding the electronic device. The measuring electronic device comprises: a UHF radiofrequency antenna; and an electronic board with an electronic chip coupled to the UHF radiofrequency antenna, a sensor for measuring parameters of the mounted assembly, a microcontroller and an electrical circuit. The measuring system comprises a ground plane connected to the electronic board. The electronic board comprises an energy manager and a capacitive element. The coupling between the electronic chip and the UHF radiofrequency antenna is of an electrical nature. The electronic chip, the microcontroller and the measuring sensor are components of low energy consumption.Type: GrantFiled: October 16, 2018Date of Patent: February 1, 2022Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, SAFRAN, SAFRAN LANDING SYSTEMS, SAFRAN ELECTRONICS & DEFFENSEInventors: Lionel Fagot-Revurat, Julien Destraves
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Patent number: 11152684Abstract: A radiofrequency communication module or semi-finished product able to be integrated into the structure of a tire comprises a radiofrequency transponder embedded in an elastomer blend and comprising an electronic chip and a radiating antenna that is able to communicate with a radiofrequency reader. The radiofrequency transponder in addition comprises a primary antenna that is electrically connected to the electronic chip, the primary antenna is electromagnetically coupled to the radiating antenna, the radiating antenna consists of a single-strand helical spring, and the radiating antenna has a core made of steel coated with a conduction layer.Type: GrantFiled: November 28, 2017Date of Patent: October 19, 2021Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Julien Destraves, Annabel Tourenne, Sebastien Noel, Jean-Mathieu Clergeat
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Patent number: 11152685Abstract: A half-wave radiating antenna for an electronic member of a tire, the length of which is suitable for operating in the frequency range between 860 MHz and 960 MHz, includes a core coated with a brass coating, such that the thickness of the brass coating is between 1.0 and 2.0 ?m.Type: GrantFiled: July 30, 2018Date of Patent: October 19, 2021Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Julien Destraves, Sebastien Noel, Annabel Tourenne, Nicolas Chevaux
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Publication number: 20210197631Abstract: An arrangement comprises a tire casing, an electronic device for measuring a mounted assembly and an interface for bonding the casing and the electronic device, made of elastomeric material and covering the electronic device. The measuring electronic device comprises: a UHF radiofrequency antenna; and a circuit board with an electronic chip coupled to the UHF radiofrequency antenna and a sensor for measuring a parameter of the mounted assembly. The tire casing comprises: a crown, two sidewalls and two beads of revolution about a reference axis and first and second surfaces located internally and externally to the tire casing; and a median plane perpendicular to the reference axis. The interface is fastened in line with the crown to the second surface of the tire casing, and the feed point is located axially in the central region of the crown.Type: ApplicationFiled: May 29, 2019Publication date: July 1, 2021Inventors: LIONEL FAGOT-REVURAT, JULIEN DESTRAVES
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Publication number: 20210178837Abstract: A system for measuring parameters of a mounted assembly comprises an electronic device for measuring parameters of the mounted assembly and a bonding interface made of elastomeric material surrounding the electronic device. The measuring electronic device comprises: a UHF radiofrequency antenna; and an electronic board with an electronic chip coupled to the UHF radiofrequency antenna, a sensor for measuring parameters of the mounted assembly, a microcontroller and an electrical circuit. The measuring system comprises a ground plane connected to the electronic board. The electronic board comprises an energy manager and a capacitive element. The coupling between the electronic chip and the UHF radiofrequency antenna is of an electrical nature. The electronic chip, the microcontroller and the measuring sensor are components of low energy consumption.Type: ApplicationFiled: October 16, 2018Publication date: June 17, 2021Inventors: LIONEL FAGOT-REVURAT, JULIEN DESTRAVES
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Patent number: 11018406Abstract: A radiofrequency communication module or semi-finished product able to be integrated into the structure of a tire comprises a radiofrequency transponder embedded in a rubber blend and comprising an electronic chip and a radiating antenna that is able to communicate with a radiofrequency reader. The radiofrequency transponder in addition comprises a primary antenna that is electrically connected to the electronic chip, the primary antenna is electromagnetically coupled to the radiating antenna, the radiating antenna consists of a single-strand helical spring, and the radiating antenna has a core made of steel coated with a metal exterior adhesion layer for adhesion to the rubber blend that surrounds it.Type: GrantFiled: November 30, 2017Date of Patent: May 25, 2021Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Julien Destraves, Annabel Tourenne, Sebastien Noel, Jean-Mathieu Clergeat
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Patent number: 10974553Abstract: A tire casing is equipped with a radiofrequency transponder and includes a crown, two sidewalls and two beads, each bead including at least one annular bead wire revolving around a reference axis, at least one annular carcass ply, coaxial with the reference axis anchored in the beads separating the tire casing into two zones, inside and outside the carcass ply. The radiofrequency transponder comprises at least one electronic chip and a radiating radiocommunication antenna and is positioned radially externally in relation to said bead wire, characterized in that the radiofrequency transponder comprises a primary antenna electrically connected to the electronic chip, in that the primary antenna is electromagnetically coupled to the radiating antenna, and in that the radiating antenna is formed by a strand helical spring defining a first longitudinal axis.Type: GrantFiled: November 30, 2017Date of Patent: April 13, 2021Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Julien Destraves, Annabel Tourenne, Sebastien Noel, Jean-Mathieu Clergeat, Isabelle Aldon
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Publication number: 20210104808Abstract: A half-wave radiating antenna for an electronic member of a tire, the length of which is suitable for operating in the frequency range between 860 MHz and 960 MHz, includes a core coated with a brass coating, such that the thickness of the brass coating is between 1.0 and 2.0 ?m.Type: ApplicationFiled: July 30, 2018Publication date: April 8, 2021Inventors: JULIEN DESTRAVES, SEBASTIEN NOEL, ANNABEL TOURENNE, NICOLAS CHEVAUX
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Publication number: 20210098858Abstract: A passive radiofrequency transponder comprises a radiating dipole antenna consisting of a single-strand helical spring having an axis, a median plane, a pitch and a diameter for a given wire diameter, and an electronic portion located inside the radiating antenna. The electronic portion comprises an electronic chip electrically connected to a primary antenna that is electromagnetically coupled to the radiating antenna. The primary antenna has an axis parallel to the axis of the radiating antenna and a median plane superposed with the median plane of the radiating antenna. The primary antenna is circumscribed by a cylinder the diameter of which is larger than one third of the inside diameter of the radiating antenna.Type: ApplicationFiled: March 27, 2019Publication date: April 1, 2021Inventors: JULIEN DESTRAVES, THOMAS CARO, JEAN-MATHIEU CLERGEAT, LAURENT COUTURIER, GUILLAUME PORTIER
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Publication number: 20210019590Abstract: A radiofrequency transponder comprises a radiating antenna consisting of a single-strand helical spring having an axis, a median plane, a pitch and a diameter for a given wire diameter, and an electronic portion located inside the radiating antenna. The electronic portion comprises an electronic chip electrically connected to a primary antenna that is electromagnetically coupled to the radiating antenna. The primary antenna has an axis parallel to the axis of the radiating antenna and a median plane superposed with the median plane of the radiating antenna. The primary antenna is circumscribed by a cylinder the diameter of which is larger than one third of the inside diameter of the radiating antenna.Type: ApplicationFiled: March 27, 2019Publication date: January 21, 2021Inventors: JULIEN DESTRAVES, THOMAS CARO, JEAN-MATHIEU CLERGEAT, LAURENT COUTURIER, GUILLAUME PORTIER
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Publication number: 20210016612Abstract: A heavy goods vehicle tire has a radial carcass reinforcement, made up of a single layer of metal reinforcing elements anchored in each of the beads by a turn-up around a bead wire. The turn-up of the carcass reinforcement layer and the main part of the carcass reinforcement layer are coupled, and a radiofrequency communication module is placed in the coupling region at the interface between the turn-up of the carcass reinforcement layer and axially outwardly adjacent layer of rubber compound.Type: ApplicationFiled: March 18, 2019Publication date: January 21, 2021Inventors: PATRICK DAYET, JULIEN DESTRAVES, EMMANUEL JOULIN, JEAN-LOUIS MARCHAL