Patents by Inventor Pierre Francois

Pierre Francois 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: 20190363665
    Abstract: A system for control of a polyphase rotary electrical machine includes a stator provided with a plurality of phases, a synchronous rectifier bridge with a plurality of branches, each associated with a phase, each branch comprising a high transistor and a low transistor, a circuit for control of the high transistor, which can control a state of the said high transistor according to a difference between the positive potential and a reference voltage relative to the phase, a circuit for control of the low transistor, which can control a state of the said low transistor according to a difference between the phase voltage and a reference voltage relative to the negative potential, and, for each phase, a first protection device which is configured to permit a command for the low transistor to go to the switched-on state only if the phase voltage is lower than a threshold voltage.
    Type: Application
    Filed: May 22, 2019
    Publication date: November 28, 2019
    Applicant: Valeo Equipements Electriques Moteur
    Inventors: Pierre Chassard, Laurent De Lamarre, Pierre-François Ragaine, Farouk Boudjemai, Mohamed Gaci
  • Patent number: 10487738
    Abstract: A front lip of a turbofan engine nacelle is provided, defined at the rear by a partition wall, the lip comprising an annular de-icing space including a tube for supplying hot air in order to de-ice the outer walls thereof, said lip also including acoustic panels arranged on the wall thereof substantially radially facing the axis of the nacelle. The front lip includes hot-air outlet bores/piercings which are arranged between the front end of the lip and said acoustic panels, which allow a flow of hot air, from said annular space, forming a substantially regular film which covers said acoustic panels with a boundary layer in order to heat said acoustic panels.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: November 26, 2019
    Assignee: SAFRAN NACELLES
    Inventors: Marc Versaevel, Arnaud Delehouze, Laurence Lemains, Pierre-François Behaghel
  • Patent number: 10491079
    Abstract: The invention relates mainly to a rotary electrical machine for a motor vehicle, comprising: a heat dissipater (65); two power modules (50) integrated in the heat dissipater (65), each comprising rectifier elements (53) which form three rectifier bridge arms (52), connection terminals (58) associated with the rectifier bridge arms (52), and a control unit which can control the rectifier bridge arms; and a connector (61) which establishes electrical connections, in particular between the terminals (58) for connection of the power modules (50) and the phase outputs of the rotary electrical machine.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: November 26, 2019
    Assignee: Valeo Equipements Electriques Moteur
    Inventors: Svetislav Jugovic, Fabrice Tauvron, Farouk Boudjemai, Pierre-François Ragaine, Laurent De Lamarre, Hugues Tempez
  • Patent number: 10457739
    Abstract: Antibodies are provided which bind human and Macaca fascicularis CEACAM5 proteins, as well as isolated nucleic acids, vectors and host cells comprising a sequence encoding the antibodies. Also provided are immunoconjugates comprising the antibodies conjugated or linked to a growth-inhibitory agent, and to pharmaceutical compositions comprising the antibodies, or immunoconjugates of the invention. The antibodies or immunoconjugates are used for the treatment of cancer or for diagnostic purposes.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: October 29, 2019
    Assignee: SANOFI
    Inventors: Pierre-Francois Berne, Francis Blanche, Hervé Bouchard, Béatrice Cameron, Tarik Dabdoubi, Stéphanie Decary, Paul Ferrari, Alexey Rak
  • Patent number: 10458654
    Abstract: The invention relates to an annular combustion chamber in a turbine engine, comprising two coaxial walls of revolution, one an internal wall (12) and the other an external wall (14), between which emerge fuel injectors (19) each engaged in centring means (36) which are moveable in the radial direction in support means (38), the chamber also comprising means (50, 68) of axial retention in the upstream direction of the centring means. According to the invention, the means of axial retention in the upstream direction are removably fixed to at least one of the internal (12) or external (14) walls of revolution.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: October 29, 2019
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Brice Le Pannerer, Laurent Bernard Cameriano, Pierre-François Simon Paul Pireyre
  • Patent number: 10439618
    Abstract: The present application relates to a circuit of a frequency divider arranged to divide a frequency of an input clock signal by odd integer N and a method of operating the circuit. A shift register comprises a number of N+1 clock gating cells, which are connected in series to each other, and a shift logic. An input clock signal is fed into clock signal inputs of each one of the number of N+1 clock gating cells. The shift logic is configured to receive enable signals from a set of the number of N+1 clock gating cells and to generate a feedback signal, which is supplied to a gate enable input of the first one of the number of N+1 clock gating cells. A multiplexer is configured to receive at input ports N+1 gated clock signals and to output a rotation clock signal, which has a frequency of 2/N of the frequency of the input clock signal. A frequency generator is configured to receive the rotation clock signal and to generate an output clock signal having a frequency of 1/N.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: October 8, 2019
    Assignee: NXP USA, Inc.
    Inventors: Thierry Robin, Bernard Pierre Francois Pechaud, Domenico Desposito
  • Patent number: 10401192
    Abstract: Disclosed is a method for counting events occurring during a period T carried out by a mechanical counter including two toothed wheels with the same pitch, the occurrence of an event causing the rotation of each wheel by an angle corresponding to the pitch of the teeth thereof, the method including: counting or calculating, for each wheel at the end of T, the difference in the number of teeth between the initial and final position thereof, the step being at least partially carried out either by an optical unit, requiring the presence on each wheel of at least one marker, or by a unit for measuring the angular displacement of each wheel and associated calculation unit; and calculating the number of occurred events N in accordance with the difference between the values counted or measured and in accordance with the number of teeth of the wheels.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: September 3, 2019
    Assignees: ETAT FRANCAIS REPRESENTE PAR LE DELEGUE GENERAL POUR L'ARMEMENT, SILMACH
    Inventors: Pierre-Francois Louvigne, Patrice Minotti, Vianney Sadoulet, Pascal Girardin, Charles Haye
  • Patent number: 10392687
    Abstract: A method for manufacturing a metal assembly including an aluminum sheet and at least one metal sheet. An aluminum sheet is treated by heating to a temperature of between 80% and 100% of the melting temperature of the material of which it is comprised for a sufficiently long duration to create and stabilize an alpha alumina layer at the surface of the aluminum sheet. The sheet is then cooled. A metal sheet having a ductility less than or equal to the ductility of the aluminum sheet after cooling is provided, which has surface irregularities having a depth greater than or equal to the thickness of the alpha alumina layer. The aluminum sheet and the metal sheet are roll bonded in a rolling mill to produce the metal assembly, wherein the rolling mill includes at least one cylinder, the outer rolling surface of which is provided with raised portions.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: August 27, 2019
    Assignees: Centre National de la Recherche Scientifique (CNRS), CNAM-Conservatoire National Des Arts Et Metiers, Ecole Normale Superieure De Cachan
    Inventors: Laurent Prevond, Nicolas Collard, Renaud Caplain, Pierre Francois
  • Publication number: 20190234266
    Abstract: A heater is suitable to be arranged opposite and away from an upstream or downstream face of an exhaust gas purification member of a vehicle. The heater comprises a fastening ring with an electrically conductive frame having a geometric center, a central support arranged substantially at the geometric center of the frame, and a plurality of elongate heating elements each having first and second ends opposite one another. The first end is connected to the frame and the second end is connected to the central support. The fastening ring further comprises a plurality of electrically conductive radial protrusions distributed around the frame and protruding toward the outside of the frame.
    Type: Application
    Filed: January 21, 2019
    Publication date: August 1, 2019
    Inventors: Xavier Pierre François BARTOLO, Christophe TOURNIER
  • Patent number: 10344427
    Abstract: The present invention provides a production method for a closed-loop cable. The method includes the steps of providing a cable including a core and metal strands helically wound around the core, connecting two ends of the cable in splice areas via splice knots formed by ends of each metal strand, inserting the metal strand ends inside the cable after locally removing the core and subsequently overmolding each splice area using a polymer.
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: July 9, 2019
    Inventors: Benjamin Coutaz, Marc Courtebras, Pierre-François Baron
  • Patent number: 10337740
    Abstract: The invention relates to a device for supporting and centring a fuel injector in a turbine engine combustion chamber, which includes means for centring a fuel injector along an axis, which are movable in a plane that is radial to the centring axis (52) in supporting means intended for being attached to the bottom of an annular chamber (18). According to the invention, the centring means include at least two radially external tabs (54, 56) each inserted respectively in a circumferential recess (60, 64) of the supporting means, the device including circumferential abutment means (78, 80, 74, 76, 82, 86, 84, 88) of the radial tabs (54, 56) of the centring means in the circumferential recesses (60, 64), the circumferential abutment means being configured such as to enable a greater angular displacement of a first (54, 154) one of the radial tabs in a first circumferential recess (60) relative to a second (56, 156) one of the radial tabs in a second circumferential recess (64).
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: July 2, 2019
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Pierre-François Simon Paul Pireyre, Brice Le Pannerer, Laurent Bernard Cameriano
  • Publication number: 20190199356
    Abstract: The present application relates to a circuit of a frequency divider arranged to divide a frequency of an input clock signal by odd integer N and a method of operating the circuit. A shift register comprises a number of N+1 clock gating cells, which are connected in series to each other, and a shift logic. An input clock signal is fed into clock signal inputs of each one of the number of N+1 clock gating cells. The shift logic is configured to receive enable signals from a set of the number of N+1 clock gating cells and to generate a feedback signal, which is supplied to a gate enable input of the first one of the number of N+1 clock gating cells. A multiplexer is configured to receive at input ports N+1 gated clock signals and to output a rotation clock signal, which has a frequency of 2/N of the frequency of the input clock signal. A frequency generator is configured to receive the rotation clock signal and to generate an output clock signal having a frequency of 1/N.
    Type: Application
    Filed: November 20, 2018
    Publication date: June 27, 2019
    Inventors: Thierry Robin, Bernard Pierre Francois Pechaud, Domenico Desposito
  • Patent number: 10321695
    Abstract: A composition includes hesperdin and/or a Lamiaceae extract wherein a majority of the volatile components have been removed from the Lamiaceae extract. A method for applying the composition to a food such as meat, fish or poultry, including processed and fresh or unprocessed meat, poultry and fish is also provided.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: June 18, 2019
    Assignee: NATUREX S.A.
    Inventors: Simona Birtic, Mélanie Marie-Paule Patricia Heudre, François-Xavier Henri Pierre, Xavier Pierre François Mesnier, Anne Passemard, Antoine Charles Bily, Marc Roller
  • Patent number: 10260157
    Abstract: The present disclosure is directed to a method for tuning the performance of at least one electrochemical cell of an electrochemical cell stack. The method includes supplying power to an electrochemical cell stack. The electrochemical cell stack includes a plurality of electrochemical cells. The method further includes monitoring a parameter of at least one electrochemical cell and determining if an electrochemical cell becomes impaired. The method also includes diverting a fraction of the current flow from the impaired electrochemical cell during operation of the electrochemical cell stack.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: April 16, 2019
    Assignee: Nuvera Fuel Cells, LLC
    Inventors: Scott Blanchet, Wonseok Yoon, Pierre-Francois Quet
  • Publication number: 20190106790
    Abstract: The invention relates to a process for the manufacture of a metal, ceramic or composite part or of a supported metal, ceramic or composite microstructure by laser irradiation starting from metal oxalates, and also to the part and the microstructure obtained by said process, and to their uses.
    Type: Application
    Filed: December 14, 2016
    Publication date: April 11, 2019
    Inventors: Valérie BACO, Philippe TAILHADES, Hoa LE TRONG, Isabelle PASQUET, Pierre-François CALMON, Henri CAMON, Véronique CONEDERA
  • Patent number: 10247803
    Abstract: Systems and methods for designing and/or using radio frequency (“RF”) pulses for in-vivo MRI applications, where the RF pulses are robust against errors due to physiological motion of organs during the respiratory cycle. For example, RF pulses are designed based on multi-channel B1+ maps correlated to different positions of the respiratory cycle.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: April 2, 2019
    Assignee: Regents of the University of Minnesota
    Inventors: Sebastian Schmitter, Pierre-Francois van de Moortele, Xiaoping Wu, Kamil Ugurbil
  • Patent number: 10233836
    Abstract: A device for cooling of an annular wall of a turbomachine combustion chamber provided with micro-perforations, and in particular the cooling of a region of the wall facing a wake induced by an ignition plug, the device includes, a deflector designed to divert air immersing the ignition plug towards a median plane of the wake and towards the annular wall of the combustion chamber, so as to increase the air pressure within the wake in proximity to the annular wall.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: March 19, 2019
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Francois Leglaye, Olivier Bidart, Pierre-Francois Pireyre, Christophe Pieussergues
  • Patent number: 10219522
    Abstract: A composition includes Punica extract and a Lamiaceae extract, wherein a majority of the volatile oil components have been removed from the Lamiaceae extract. A method for applying the composition to a food which includes but is not limited to fresh/unprocessed and processed meat, fish or poultry is also provided.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: March 5, 2019
    Assignee: NATUREX S.A.
    Inventors: Mélanie Marie-Paule Patricia Heudré, Simona Birtic, François-Xavier Henri Pierre, Xavier Pierre François Mesnier, Anne Passemard, Antoine Charles Bily, Marc Roller
  • Publication number: 20190067554
    Abstract: An electromechanical actuator includes a base part and an oscillation resonator having the shape of a rod. The electromechanical actuator further includes amount for mounting the oscillation resonator to the base part. The mount is configured to bear the oscillation resonator so as to be rotatable around an axis of the oscillation resonator rod relative to the base part. A driver member is mechanically coupled to the oscillation resonator. A slider or a rotator is configured to be moved by the driver member when the oscillation resonator is excited.
    Type: Application
    Filed: October 26, 2018
    Publication date: February 28, 2019
    Inventors: Khaled Karrai, Pierre-Francois Braun, Georgy Maikov
  • Patent number: 10191126
    Abstract: Systems and methods for producing an image of the electrical properties of an object using magnetic resonance imaging (“MRI”) are provided. The electrical properties are determined based on estimated gradient values of the electrical properties of the object. For instance, electrical property maps are reconstructed using a spatial integration on gradient values that are estimated from the magnitude and relative phase values derived from measurements of multiple transmit and receive B1fields. Specific absorption rate (“SAR”) maps can also be produced based on the estimated electrical properties.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: January 29, 2019
    Assignee: Regents of the University of Minnesota
    Inventors: Bin He, Jiaen Liu, Xiaotong Zhang, Pierre-Francois Van de Moortele