Patents Assigned to SAFRAN
  • Publication number: 20250070630
    Abstract: Rotor of a rotary electric machine, comprising a body having two opposite lateral surfaces and a surface of revolution, two short-circuiting rings disposed in contact with each lateral surface of the body, and conductors disposed in slots formed on the surface of revolution of the body and each connected to the short-circuiting rings, characterised in that each conductor comprises at least one shoulder aligned with a lateral surface of the body.
    Type: Application
    Filed: January 19, 2023
    Publication date: February 27, 2025
    Applicant: SAFRAN VENTILATION SYSTEMS
    Inventors: Claude Pendaries, Xavier Longere, Jacques Vincent, Samuel Bonnard
  • Patent number: 12235153
    Abstract: A system for controlling the activation/deactivation of an electromagnetic shielding screen of a porthole or a protective window of an optoelectronic equipment, which includes, a radiofrequency electromagnetic sensor, with a bandwidth adapted to a cut-off band of said shielding screen corresponding to a range of electromagnetic fields to be blocked, connected to a detector-rectifier with a sensitivity higher than a minimum value of the power of an electromagnetic field to be blocked by means of said shielding screen and a device for activating/deactivating said electromagnetic shielding screen, said detector-rectifier being configured, in the presence of the electromagnetic field with a power exceeding said minimum value, to activate said device for activating/deactivating the electromagnetic shielding screen by capturing the electromagnetic energy supplied by said electromagnetic fields with a power exceeding said minimum value.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: February 25, 2025
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE RENNES, SAFRAN ELECTRONICS & DEFENSE
    Inventors: Quentin Tricas, Patrice Foutrel, Philippe Besnier, Xavier Castel, Claire Le Paven
  • Patent number: 12234772
    Abstract: The present disclosure relates to a system for supplying fuel to a turbomachine. In some embodiments, a fuel circuit includes a pressurisation valve at an outlet of the system and a pump. The circuit may include a flow rate sensor arranged between the outlet of the pump and the pressurisation valve. In some embodiments, the flow rate sensor may include a sliding drawer, a restoring spring, and a sensor for detecting the position of said drawer in order to indicate the flow passing through the flow rate sensor. The system may include a device arranged to drive the pump with a controllable rotational speed and a control configured to control the device on the basis of a measurement supplied by the flow rate sensor, in such a way as to adapt the rotational speed of the pump shaft.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: February 25, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Loïc Pora, Huguette De Wergifosse
  • Patent number: 12234790
    Abstract: An air inlet of an aircraft propulsion unit comprising thrust reversal means configured to modify a bypass air flow circulating from upstream to downstream in a bypass duct into a reverse air flow circulating from downstream to upstream. The air inlet comprising an interior wall defining openings and, in each opening, a mobile member that comprises a covering wall and a deflecting wall and is mounted so as to pivot between a covering position, in which the covering wall obstructs the opening so as to guide the bypass air flow and promote a thrust phase, and a deflecting position, in which the deflecting wall obstructs the opening so as to separate the reverse air flow and promote a thrust reversal phase.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: February 25, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventor: Ulrick Souveton
  • Patent number: 12234737
    Abstract: A system for controlling discharge doors of a turbomachine includes: a ring and a device connecting the ring to each discharge door. The ring is made up of bars connected end-to-end by rotary links ensuring that a bar pivoting on itself causes the other bars to pivot on themselves, with each discharge door being connected to a corresponding bar in order to open or close when this bar pivots.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: February 25, 2025
    Assignee: SAFRAN
    Inventors: Nicolas Claude Parmentier, Gabriel Perez
  • Publication number: 20250058898
    Abstract: An electronic device for diagnosing the condition of a system of actuators of an aircraft turbine engine, the device being configured to be coupled to an electrical wiring harness of a turbine engine connecting a computer of a turbine engine to a system of actuators of the turbine engine, the device including a power supply block to power the device, a connection block configured to enable the connection of the device to the electrical wiring harness of the turbine engine to be diagnosed, a communication block configured to send information to a user and to receive instructions from the user, and a control block including a test signal transmission module and modules for measuring the signals received by the device in response to the test signals over a work cycle of the system of actuators of the turbine engine.
    Type: Application
    Filed: December 9, 2022
    Publication date: February 20, 2025
    Applicant: SAFRAN NACELLES
    Inventors: Patrick ARCOUËT, David PEREIRA, Hakim MAALIOUNE
  • Publication number: 20250060446
    Abstract: The invention relates to a method for estimating the direction of arrival of an electromagnetic wave at an antenna array (2), comprising the steps of: —estimating (202) a covariance matrix of signals acquired by the antenna array (2); —calculating (204) a normalised eigenvector of the covariance matrix; —correlating (205) the normalised eigenvector with a first reference table and a second reference table so as to produce a first correlation spectrum and a second correlation spectrum comprising correlation indices associated, respectively, with different directions of arrival; —constructing (312) a third reference table by linear combination of the first reference table and the second reference table with a polarisation component of the electromagnetic wave in the first direction and the second direction, respectively; —correlating (314) the normalised eigenvector with the third reference table so as to produce a third correlation spectrum comprising correlation indices associated with different directions of
    Type: Application
    Filed: December 13, 2022
    Publication date: February 20, 2025
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Pierre-Antoine GARCIA, Arnaud LILBERT, Alain Michel CHIODINI
  • Publication number: 20250059918
    Abstract: An aircraft turbomachine has a gas generator that includes, along a longitudinal axis (X), at least one compressor, a combustion chamber, and at least one turbine. The turbomachine further includes at least one duct for supplying liquid to at least one member chosen from an oil jet and a fuel injector. The duct (20) has rectilinear portions and bent portions and includes at least one region in which the liquid is liable to coke. The turbomachine also includes at least one turbulence element in the at least one region in the duct.
    Type: Application
    Filed: December 21, 2022
    Publication date: February 20, 2025
    Applicant: SAFRAN HELICOPTER ENGINES
    Inventors: Benjamin Nicolas FULLERINGER, Alexandre DEBAT, Pierre-Marie FONTS, Olivier ROBERT
  • Patent number: 12231073
    Abstract: A propulsion channel for aircraft at least one first dual-fed polyphase asynchronous rotating electric machine configured to be mechanically coupled to a turbine engine. The propulsion channel further includes at least one second polyphase rotating electric machine electrically coupled to the first asynchronous rotating electric machine, and a control and storage module configured to control the first polyphase asynchronous rotating electric machine. The module is connected to the first dual-feed polyphase asynchronous rotating electric machine as well as to the at least second polyphase rotating electric machine. The at least second polyphase rotating electric machine includes a polyphase synchronous rotating electric machine with permanent magnet.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: February 18, 2025
    Assignee: SAFRAN
    Inventors: Christophe Ludovic Jean-Claude Viguier, Stéphane Petibon, Florent Rougier
  • Patent number: 12227302
    Abstract: An autonomous impact detection device includes at least one impact detector; at least one wireless transmission device configured to transmit the information collected by the impact detector; at least one energy storage device configured to supply the impact detector and the wireless transmission device with energy; at least one Seebeck module configured to supply the storage device with energy when a temperature gradient is applied thereto; the wireless transmission device being configured to supply the storage device with energy when the temperature gradient to which the Seebeck module is exposed is not sufficient.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: February 18, 2025
    Assignees: SAFRAN ELECTRICAL & POWER, SAFRAN ELECTRONICS & DEFENSE
    Inventors: Nicolas Fanton, Serge Thierry Roques, Emmanuel Couturier, Nicolas Paris
  • Patent number: 12228664
    Abstract: The invention relates to a method for locating a transmitter, which is implemented in a processing unit of a processing station of a locating system.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: February 18, 2025
    Assignee: SAFRAN DATA SYSTEMS
    Inventors: Baptiste Guillot, Yann Picard
  • Patent number: 12228078
    Abstract: A system for conditioning fuel configured to supply a main turbomachine, based on fuel from a cryogenic tank, comprising a pump configured to operate at a predetermined constant speed, at least one heat exchanger, a supply member for supplying the main turbomachine with a fuel flow, the supply member being configured to deliver a nominal flow rate when the pump is operating at a predetermined constant speed, at least one buffer tank, a first valve for controlling the supply of fuel to the buffer tank, a second valve for controlling the distribution of the fuel flew flow and a regulating device that is configured to open the second valve when the setpoint flow rate is higher than the nominal flow rate.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: February 18, 2025
    Assignee: SAFRAN
    Inventor: Pierre-Alain Marie Cyrille Lambert
  • Patent number: 12228045
    Abstract: A method for repairing an end plate of a turbomachine rotor, the end plate including a crown having at least two collar fastening holes and at least one balancing-weight fastening hole located between the two collar fastening holes, each collar fastening hole being equipped with a crimped nut, the crown having a damaged portion between two collar fastening holes, the method including the steps of removing the two crimped nuts located on either side of the damage; removing the damaged crown portion, for example by machining; putting in place a strip in the form of a crown portion closing off the removed crown portion, the strip having at least one balancing-weight fastening hole and two mounting holes; fastening the strip to the crown with two crimped nuts, which penetrate the mounting holes, by crimping each nut in a collar fastening hole.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: February 18, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Jean-Hilaire Lexilus, Cédric Nicolas Bot, Patrick Jean-Louis Reghezza
  • Patent number: 12228245
    Abstract: Leaks in an oil lubrication circuit, in particular through a heat exchanger communicating with another circuit, are measured by the movements of a piston that is sensitive to variations in flow rates and pressure drops at two calibrated ports on either side of the predicted location of the leak. In one intended application, the second circuit contains overpressurised fuel which is used to constantly cool the oil.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: February 18, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Thibault Maxime Adrien Mallet, Nicolas Andrea Fabbro
  • Patent number: 12230422
    Abstract: A method of configuring an aircraft electrical system. The aircraft electrical system comprises a wiring harness and a plurality of electronic modules. The wiring harness comprises a plurality of connection points. The method comprises: connecting a first electronic module in the plurality to the wiring harness via a first connection point in the plurality; transmitting by the first electronic module, a connection point identification request; in response to the transmitting, receiving at the first electronic module from the wiring harness, an identifier of the first connection point; on the basis of the received identifier, determining configuration data for the first electronic module, the configuration data being associated with the first connection point; and configuring the first electronic module to operate in accordance with the determined configuration data.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: February 18, 2025
    Assignee: Safran Seats GB Limited
    Inventor: Julian Guy
  • Patent number: 12227295
    Abstract: A seat leg assembly for a passenger seat, the seat leg assembly including: a seat leg member comprising a unitarily formed fitting member; and a plurality of stud members coupleable to the fitting member, wherein each of the plurality of stud members is formed of a material having an ultimate strength of at least 75 KSI.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: February 18, 2025
    Assignee: Safran Seats USA LLC
    Inventor: Reza Mansouri
  • Patent number: 12228035
    Abstract: A hybrid turbofan engine for an aircraft, comprising a fan, an electric motor/generator and a gas generator, the engine comprising, between the fan and a splitter that separates the flows, an internal wall for delimiting an air duct, situated upstream of inlet guide vanes of a primary duct, and, upstream of outlet guide vanes, an internal upstream wall for delimiting a secondary duct, the motor/generator having a stator carried by a stator support fixed to a stator part of the engine. According to the invention, a plurality of heat pipe for cooling the motor/generator are provided, each heat pipe having an evaporation section fixed to the stator support, and a condensation section fixed to the internal wall or the internal upstream wall.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: February 18, 2025
    Assignees: SAFRAN, SAFRAN AIRCRAFT ENGINES
    Inventors: Thierry Sibilli, Vincent François Georges Millier, Loïc Paul Yves Guillotel
  • Patent number: 12227293
    Abstract: Described is an adjustable friction slider assembly having a rail member and a carriage assembly moveably coupled to the rail member, the carriage assembly having a bracket member and a plurality of roller elements moveably coupled to the rail member and coupled to the bracket member using a plurality of attachment members, the plurality of roller elements comprising at least one adjustable roller element coupled to the bracket member using a moveable attachment member, wherein moving the moveable attachment member adjusts a friction between the plurality of roller elements and the rail member.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: February 18, 2025
    Assignee: Safran Seats USA LLC
    Inventors: Charles Michael Parker, Foek Nguyen Le
  • Patent number: 12227885
    Abstract: A fibrous preform for forming the fibrous reinforcement of a composite material part, the fibrous preform being made as a single piece and obtained by three-dimensional weaving, the preform including first and second skins and a longitudinal stiffening portion connecting the first to the second skin, the longitudinal stiffening portion forming a stiffening element of the part in the longitudinal direction. The preform has an intermediate portion extending in the longitudinal direction between two end portions. The longitudinal stiffening portion includes, in the intermediate portion, longitudinal non-woven threads or strands held together by first transverse threads or strands coming from the first skin and second transverse threads or strands coming from the second skin. In the end portions, the longitudinal threads or strands of the longitudinal stiffening portion are woven with the transverse threads or strands.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: February 18, 2025
    Assignee: SAFRAN
    Inventors: Bruno Jacques Gérard Dambrine, Yann Didier Simon Marchal, Dominique Marie Christian Coupe, Marc-Antoine Colot
  • Patent number: 12228074
    Abstract: A fan module for an aircraft turbine engine includes a fan having variable pitch blades and an oil transfer device configured to provide a transfer of oil between a stator and a rotor. The oil transfer device includes a stator ring having internal oil ducts, a shaft inserted into the ring and having internal oil ducts, and an annular support of the ring configured to deform elastically to allow movements of the ring in the radial direction. A plain bearing is located between the ring and the shaft, and roller bearings are mounted between the ring and the shaft on either side of the plain bearing.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: February 18, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Julien Fabien Patrick Becoulet, Olivier Belmonte, Vincent François Georges Millier, Jean Charles Olivier Roda