Patents Assigned to Ecole Centrale de Lyon
  • Publication number: 20220146402
    Abstract: A particle detector includes at least one resonant cavity partially formed at least by a first reflector, a second reflector disposed at a distance from the first reflector and a channel located between the first and second reflectors, the channel being intended to receive at least one fluid comprising particles and to receive at least one light radiation; and at least one detection system having at least one photodetector. The particle detector is configured so that a portion of the light radiation present in the channel escapes from the cavity throughout the second reflector and reaches the detection system, thereby enabling the at least one photodetector to detect leakage of the cavity. The second reflector is a photonic crystal membranes PCM based reflector.
    Type: Application
    Filed: December 23, 2019
    Publication date: May 12, 2022
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, CPE LYON, ECOLE CENTRALE DE LYON, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, UNIVERSITE CLAUDE BERNARD LYON 1
    Inventors: Gabriel JOBERT, Salim BOUTAMI, Maryse FOURNIER, Christian SEASSAL
  • Publication number: 20220091018
    Abstract: An optical particle detector including at least one channel intended to receive a fluid carrying at least one particle, and across which light rays are intended to pass such that the light rays are partially scattered by the at least one particle, a plurality of photodetectors capable of receiving said scattered light rays, wherein the detector includes at least one optical waveguide configured to collect, at least at one entrance of the waveguide, light rays that were not scattered by the at least one particle and having crossed the channel, and to reinject the unscattered light rays into the channel through at least one exit of the waveguide.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 24, 2022
    Applicants: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, CPE LYON FORMATION CONTINUE ET RECHERCHE, ECOLE CENTRALE DE LYON, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, UNIVERSITE CLAUDE BERNARD LYON 1
    Inventors: Salim BOUTAMI, Maryse FOURNIER, Gabriel JOBERT, Christian SEASSAL, Cécile JAMOIS
  • Publication number: 20220089966
    Abstract: The present invention relates to a dinuclear molybdenum complex with ligands selected from fatty tertiary amines of formula (I): R—N[(CH2)nR2][(CH2)nR3]??(I) wherein R represents a linear or branched alkyl comprising 3 to 30 carbon atoms, preferably 3 to 20, advantageously 7 to 17 carbon atoms; n, identical or different, represents 2 or 3; R2 and R3, identical or different, represent an O, OR, NR?2, COOR?, or COO group, where R?, identical or different, represents a hydrogen atom or an alkaline or alkaline earth metal, preferably R? is H, preferably R2 and R3, identical or different, represent an OH or NH2 group.
    Type: Application
    Filed: January 21, 2020
    Publication date: March 24, 2022
    Applicants: TOTAL MARKETING SERVICES, Centre national de la recherche scientifique, ECOLE CENTRALE DE LYON, Université Claude Bernard Lyon 1
    Inventors: Benoît THIEBAUT, Catherine CHARRIN, Camella OUMAHI, Maria Isabel DE BARROS BOUCHET, Pavel AFANASIEV
  • Publication number: 20210364660
    Abstract: A multilayer scintillation detector, includes at least three layers superposed on one another, and each extending parallel to a plane, called the detection plane, wherein each layer is formed by a first material, called a scintillation material, capable of interacting with an ionizing radiation and of forming, following the interaction, a scintillation light in a scintillation spectral band; each layer has a plurality of light guides, respectively extending parallel to the detection plane, according to a length, the light guides being disposed, over all or part of their length, parallel to an axis of orientation; the axis of orientation of the light guides of each layer is oriented, in the detection plane, according to an orientation, the orientations of the respective axes of orientation of at least three layers being different from one another, such that each layer has an associated orientation; and the scintillation material has a first refractive index.
    Type: Application
    Filed: March 20, 2019
    Publication date: November 25, 2021
    Applicants: UNIVERSITE CLAUDE BERNARD LYON 1, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, HOSPICES CIVILS DE LYON, CPE LYON FORMATION CONTINUE ET RECHERCHE, ECOLE CENTRALE DE LYON
    Inventors: Patrick PITTET, Guo-Neng LU, Patrice JALADE, Jean-Marc GALVAN
  • Patent number: 11121549
    Abstract: A power flow control device intended to be used in a mesh network. The device includes a first voltage source connected between a first terminal (B1) and a third terminal (B3). A second voltage source is connected between a second terminal (B2) and the third terminal (B3). A current source is connected alternately to the first voltage source and the second voltage source and configured to ensure a transfer of energy between the first voltage source and the second voltage source. A switching means is arranged to allow the current source to be connected alternately in parallel with the first voltage source or in parallel with the second current source.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 14, 2021
    Assignees: Supergrid Institute, Ecole Centrale De Lyon
    Inventors: Selle Toure, Florent Morel, Serge Poullain
  • Patent number: 11049795
    Abstract: A power electronic module (1) including at least one semiconductor (5) that is connected to connection conductors (6, 7), and including a dielectric carrier (10) having both a fixed layer (9), on which at least one of said connection conductors (6) is mounted, and a movable layer (11), the fixed layer (9) and the movable layer (11) exhibiting similar dielectric permittivities and being superposed along at least one surface facing the at least one connection conductor (6).
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: June 29, 2021
    Assignees: Supergrid Institute, Universite Claude Bernard Lyon 1, Ecole Centrale De Lyon, Institut National Des Sciences Appliquees De Lyon, Centre National De La Recherche Scientifique
    Inventor: Cyril Buttay
  • Publication number: 20210041457
    Abstract: The invention relates to a non-invasive process for evaluating the quality of one or more dense connective tissue(s) in a patient, comprising the following steps: a) Analyzing the profile of the microrelief of a cutaneous replica of a portion of the skin of said patient by at least one of the following step: a1. visually assessing on picture(s) of said cutaneous replica the line shape and the anisotropy of the lines; and/or a2. Determining, on picture(s) of said cutaneous replica, the roughness index of the microrelief with an optical sensor, b) identifying cutaneous replica of “stage 1”, representative of healthy skins, and cutaneous replica of “stage 2” representative of altered skins, a cutaneous replica of stage 2 being indicative of low quality of the one or more dense connective tissue(s) in the patients body.
    Type: Application
    Filed: September 24, 2018
    Publication date: February 11, 2021
    Applicants: ECOLE CENTRALE DE LYON, UNIVERSITE PARIS-SACLAY, UNIVERSITE DE PARIS, ASSISTANCE PUBLIQUE - HOPITAUX DE PARIS
    Inventors: Thierry HOC, Jean-Charles AUREGAN, Morad BENSIDHOUM, Catherine BOSSER, Hassan ZAHOUANI
  • Publication number: 20200088712
    Abstract: The present invention concerns an in vitro process for diagnosing joint disease in a mammal and/or determining the type of joint disease and/or determining the stage of said disease and/or predicting the course of said disease, comprising the following steps: a) depositing a drop of a synovial fluid sample from said mammal onto a flat substrate made of an inorganic material, such as glass; b) drying the drop deposited in step a); c) measuring at least one parameter indicative of the morphological features of the drop dried in step b), whereby a value for said parameter is obtained, and d) comparing each value measured in step c) with a reference value representative of a reference synovial fluid, characterized in that said parameter is selected from (i) the maximum height (H) of the bead formed on the surface of the drop, (ii) the area of the drop and (iii) the surface profile (Z) of the drop.
    Type: Application
    Filed: November 22, 2017
    Publication date: March 19, 2020
    Applicants: ECOLE CENTRALE DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), ECOLE NATIONALE D'INGENIEURS DE SAINT ETIENNE, INSTITUTENSEIGNEMENT SUPERIEUR ET RECHERCHE EN ALIMENATION, SANTE ANIMALE, AGRONOMIQUES ET
    Inventors: Catherine BOSSER, Thierry HOC, Caroline BOULOCHER
  • Patent number: 10584991
    Abstract: An apparatus for ultrasonically measuring the flow rate of a fluid in a measuring channel including fluid supply passages at its ends, this measuring channel forming a waveguide made into a solid body, comprising at each end a transducer capable of emitting or receiving ultrasounds circulating in the axis of the channel, where each transducer includes a shell transmitting the ultrasounds, comprising a waveguide facing the measuring channel, and outside this waveguide shapes orientating the ultrasounds in directions different from that of the channel.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: March 10, 2020
    Assignees: EFS SA, ECOLE CENTRALE DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON
    Inventors: Julian Robin, Pascal Gucher, Alexandre Huchon, Sébastien Ollivier, Philippe Blanc-Benon
  • Patent number: 10480972
    Abstract: A control method for an apparatus for ultrasonically measuring the flow rate of a fluid in a measuring channel, including a measuring channel whose one end is equipped with a first transducer and the other end is equipped with a second transducer, each transducer emitting ultrasonic waves to the other transducer, and receiving waves generated by the other transducer, where, in a first step, the first transducer emits waves to the second transducer, and in a second step, which can be simultaneous with the first one, the second transducer emits waves prior to the reception of the waves emitted by the first transducer.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: November 19, 2019
    Assignees: EFS SA, ECOLE CENTRALE DE LYON, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARD LYON 1, INSTITUT NATIONAL des SCIENCES APPLIQUEES DE LYON
    Inventors: Julian Robin, Pascal Gucher, Alexandre Huchon, Sébastien Ollivier, Philippe Blanc-Benon
  • Patent number: 10401161
    Abstract: The present invention relates to a method for dimensioning a turbomachine comprising a casing and a disc to which at least one blade is secured, said disc being rotationally driven by a shaft about a turbomachine axis (z), comprising: —acquisition (E1) of the coordinates (P) of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the disc; —expression (E2) of the coordinates (P?) of the ends of the leading edge and of the trailing edge of the blade in a frame of reference connected with the casing; —calculation (E3) of the distance (g) between the casing and the ends of the leading edge and trailing edge of the blade from the coordinates (P?) expressed in the frame of reference connected with the casing; —calculation (E4) of the contact pressures between the blade and the casing along the end of the blade from the calculated distance (g); —calculation (E5) of the reaction forces and moments resulting from contact between the blade and the casing from the ca
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: September 3, 2019
    Assignees: SAFRAN AIRCRAFT ENGINES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), ECOLE CENTRALE DE LYON, ECOLE NATIONALE D'INGENIEURS DE SAINT ETIENNE
    Inventors: Marie-Oceane Parent, Fabrice Joel Luc Chevillot, Fabrice Hugues Jean Pierre Thouverez
  • Publication number: 20190257962
    Abstract: The invention relates to a method for characterising the quality of an X-ray beam having a known profile for depositing a dose in a body, having an zone (Za1, Za2) of increasing dose rate inside said body extending between the input surface of the beam and a characteristic depth (Pmax) where the deposited dose is at a maximum, the method comprising the following steps: —providing a monolithic detector including in p-n junctions (m>3) stacked depth-wise in the detector with at least three junctions distributed in the zone of increasing dose rate; —projecting said X-ray beam onto the monolithic detector; —recovering the m signals (r) delivered by the p-n junctions of the detector; —and processing the m signals (r) in order to characterise the quality of the X-ray beam.
    Type: Application
    Filed: June 16, 2017
    Publication date: August 22, 2019
    Applicants: Universite Claude Bernard Lyon 1, Centre National de la Recherche Scientifique (CNRS), Institut National des Sciences Appliquees de Lyon, Ecole Centrale De Lyon
    Inventors: Guo-Neng Lu, Patrick Pittet, Ruoxi Wang
  • Patent number: 10264954
    Abstract: The invention relates to an imaging device (E) comprising: at least one generator (1) of structured light; an emission first image guide (5, 5?) for uplinking the structured light from the generator (1) to an object to be observed; and a return second image guide (5?, 5) for downlinking the light reflected by said object to be observed to a system (2) for capturing said reflected light. Each of the two image guides (5, 5?) is able to uplink the structured light and downlink the reflected light, and the imaging device comprises an optical switch (3) configurable into three different operating modes.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: April 23, 2019
    Assignees: UNIVERSITE TECHNOLOGIE DE COMPIEGNE—UTC, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, ECOLE CENTRALE DE LYON, UNIVERSITE CLAUDE BERNARD LYON 1
    Inventors: Frederic Lamarque, Erwan Dupont, Christine Prelle, Laurent Petit, Tanneguy Redarce
  • Patent number: 10126261
    Abstract: A method to determine an electronic signature characteristic of a fluid medium comprises making a reception surface for receiving the fluid medium on at least one face of the substrate, putting the fluid medium into contact with the reception surface in order to make an interface between the substrate and the fluid medium, lighting at least one zone of the interface through the fluid medium with a pulsed light beam in order to create photogenerated electric charges, using a microwave reflectometer to measure the lifetime durations of the photogenerated electric charges, which durations have respective values that depend on the recombination rate at the interface between the substrate and the fluid medium, creating a matrix of measured lifetime duration values for the photogenerated electric charges, and using the matrix to determine the electronic signature characteristic of the fluid medium.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: November 13, 2018
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE CENTRALE DE LYON, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE LYON, UNIVERSITE CLAUDE BERNARD LYON I, UNIVERSITE T. CHEVTCHENKO DE KIEV
    Inventors: Sergeii Lytvynenko, Sergei Alexandrovich Alekseyev, Volodymyr Lysenko, Valeriy Skryshevskyy
  • Patent number: 9819198
    Abstract: This invention relates to an electronic system including a radiative electromagnetic emitter for emitting an activation signal including sequentially an energy supply signal followed by an identification signal, the power of the energy supply signal being at least ten times greater than the power of the identification signal, further including an interface connected to an energy supply source; an electric load; a circuit for deactivating a placing of electric load on standby, including: a receiver including a reception interface, a rectifier configured to generate a DC activation voltage on the basis of an activation signal, a switch configured to selectively connect/disconnect to the load from the energy supply, an identification circuit configured to extract an identifier of the activation signal and configured to apply the activation voltage as closure control signal for turning off the switch if a match of the identifier is determined.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: November 14, 2017
    Assignees: Ecole Centrale De Lyon, Universite Lyon 1 Claude Bernard, Institut National Des Sciences Appiquees De Lyon, University De Limoges, Centre National De La Recherch
    Inventors: Christian Vollaire, Marc Thevenot, Vlad Marian, Cyrille Menudier
  • Patent number: 9726598
    Abstract: A device for characterizing a fluid medium with the help of a photoelectric transducer comprises at least one semiconductor substrate possessing at least one space charge zone and presenting a reception surface for receiving the fluid medium in order to constitute an interface between the substrate and the fluid medium, a production system for producing a spot light beam that is amplitude-modulated and that lights at least one zone of the interface through the fluid medium, a measurement system for measuring values of a photoelectric magnitude delivered while performing the lighting so as to create a matrix of values of the photoelectric magnitude, and a processor system for processing values of the photoelectric magnitude delivered by the measurement system and adapted to use the matrix to determine an electronic signature characteristic of the fluid medium.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 8, 2017
    Assignees: Centre National de la Recherche Scientifique, Ecole Centrale de Lyon, Institut National des Sciences Appliquees de Lyon, Universite Claude Bernard Lyon I, Universite T. Chevtchenko de Kiev
    Inventors: Sergeii Lytvynenko, Dmytro Beilobrov, Volodymyr Lysenko, Valeriy Skryshevskyy
  • Patent number: 9673471
    Abstract: A method for the production of a biofilm at the surface of an electrode in a liquid medium containing bacteria and a substrate for growth of the bacteria, in which a system of electrodes constituted of two electrodes, which are connected to a direct electric current source, is used, these two electrodes are placed in the medium and a predetermined and constant potential difference is applied between the electrodes, by virtue of which biofilms form at the surface of the electrodes. Resulting electrodes and biocells.
    Type: Grant
    Filed: May 27, 2009
    Date of Patent: June 6, 2017
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE CLAUDE BERNARD LYON 1, ECOLE CENTRALE DE LYON
    Inventors: Timothy Vogel, Jean-Michel Monier, Naoufel Haddour
  • Patent number: 9649951
    Abstract: An automotive vehicle drive unit, comprising a fuel cell whose control input is a setpoint of the electrical power to be delivered by the fuel cell. There is a reversible electrical energy storage system and an electric motor to propel the wheels of a vehicle. An electrical connection element selectively connects the fuel cell and/or the energy storage system to the electric motor. A control circuit stores a model of the consumption of dihydrogen as a function of the power delivered by this fuel cell, in the form of a second-degree polynomial and is configured to compute a coefficient of power distribution ?1 between the fuel cell and the electrical energy storage system pursuant to a defined equation. The control circuit controls the electrical connection element to recharge the energy storage system when the value of the power setpoint Pfc* is greater than the power demanded by the electric motor.
    Type: Grant
    Filed: July 11, 2013
    Date of Patent: May 16, 2017
    Assignees: Commissariat à l'énergie atomique et aux énergies alternatives, Institut National des Sciences Appliquées de Lyon, Centre National de la Recherche Scientifique, Université Lyon 1 Claude Bernard, Ecole Centrale De Lyon, Institut Français des Sciences et Technologies des Transports Réseaux
    Inventors: Mathias Gerard, Eric Bideaux, Ramon Da Fonseca, Matthieu Desbois-Renaudin, Bruno Jeanneret
  • Publication number: 20160316999
    Abstract: The invention relates to an imaging device (E) comprising: at least one generator (1) of structured light; an emission first image guide (5, 5?) for uplinking the structured light from the generator (1) to an object to be observed; and a return second image guide (5?, 5) for downlinking the light reflected by said object to be observed to a system (2) for capturing said reflected light. Each of the two image guides (5, 5?) is able to uplink the structured light and downlink the reflected light, and the imaging device comprises an optical switch (3) configurable into three different operating modes.
    Type: Application
    Filed: December 17, 2014
    Publication date: November 3, 2016
    Applicants: Universite Technologie de Compiegne-UTC, Centre National de la Recherche Scientifique (CNRS), Institut National de Sciences Appliquees de Lyon, Ecole Centrale de Lyon, Universite Claude Bernard Lyon 1
    Inventors: Frederic LAMARQUE, Erwan DUPONT, Christine PRELLE, Laurent PETIT, Tanneguy REDARCE
  • Publication number: 20160312144
    Abstract: A lubricant composition includes at least one base oil, at least one organomolybdenum compound, at least one compound including a dithiophosphate group and at least one fatty triamine. The lubricant composition has good friction properties for both steel/steel contacts and steel/carbon coating contacts, as well as for carbon coating/carbon coating contacts, whilst retaining good anti-wear properties.
    Type: Application
    Filed: December 16, 2014
    Publication date: October 27, 2016
    Applicants: TOTAL MARKETING SERVICES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), ECOLE CENTRALE DE LYON
    Inventors: Maria Isabel DE BARROS BOUCHET, Olga GORBATCHEV, Raphaele IOVINE, Carine PIZARD