Patents Assigned to SAFRAN
  • Patent number: 12275090
    Abstract: Process for protecting a part comprising an aluminum-based alloy having a copper content greater than or equal to 0.5% by mass, the process comprising depositing a non-conductive protective layer over the entire part, laser pickling by means of a laser beam of an area of the non-conductive protective layer so as to form an unprotected area, chemical conversion, with trivalent chromium, of the unprotected area so as to form a conductive protective layer, and drying of the part.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: April 15, 2025
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Coralie Chevallier, Mathieu Leroy, Marie Savoye, Etienne Nemeth
  • Patent number: 12275202
    Abstract: A method for producing an aerodynamic element for an aircraft, including a wall which is covered, at least partially, by a printed film including a plurality of ribs and/or grooves, the method including: providing a raw film made of a deformable material which is devoid of grooves and ribs; providing a pressure plate which includes a face provided with ribs and/or grooves complementary to the ribs and/or grooves of the printed film; placing said raw film on the wall of the element; positioning the pressure plate on the raw film, the printed side of the pressure plate facing the raw film; and a forming step during which the raw film is bonded with the wall of the component and during which the raw film is shaped by cooperation with the pressure plate to obtain the printed film including the ribs and/or the grooves.
    Type: Grant
    Filed: November 4, 2022
    Date of Patent: April 15, 2025
    Assignees: SAFRAN AIRCRAFT ENGINES, SAFRAN AEROSPACE COMPOSITES
    Inventors: Maxime Marie Désiré Blaise, Allison Glugla, Lauren Chin, Cali Lapenta
  • Patent number: 12278523
    Abstract: An electrical machine for use in an aircraft. The electrical machine includes a rotor that includes a plurality of rotor poles, and a stator including a plurality of phases. Each respective phase occupies at least one elementary block. The at least one elementary block of each phase includes a set of conductors of the respective phase wound around a plurality of slots of the respective elementary block in a concentrated winding configuration. The stator further includes at least one sensor located between two elementary block. The at least one sensor being configured to measure at least one parameter of the rotor.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: April 15, 2025
    Assignee: SAFRAN ELECTRICAL & POWER UK LTD.
    Inventor: Nadhem Boubaker
  • Patent number: 12275528
    Abstract: The invention provides a cover for an aircraft passenger using a bed surface of an aircraft passenger seat, comprising an attachment mechanism for attaching the cover to the seat, an inflatable bladder, and a trigger mechanism for triggering inflation of the bladder, the bladder being configured to cover a knee region of the bed surface. The invention also provides a harness for the aircraft passenger, comprising an attachment mechanism for attaching the harness to the seat, a number of straps for extending around the passenger, and a fastening mechanism for fastening one or more of the straps in place around the passenger, wherein the number of straps includes at least one of a crotch strap and a torso strap. The invention also provides an aircraft passenger seat unit comprising a seat convertible to a bed, the bed being provided with a cover or harness.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: April 15, 2025
    Assignee: Safran Seats GB Limited
    Inventors: Kevin Cluer, Ciaran Doherty, Joanna Hutchinson
  • Patent number: 12276209
    Abstract: The invention proposes an aeronautical turbine engine assembly comprising an upstream casing (55) to which guide blading (48a) is fastened, and a downstream casing (58) to which a sealing element (62) provided with an abradable material for rotor blading is fastened. This assembly further comprises a shroud ring (66) placed between the upstream casing and the downstream casing and fastening means (68) for detachably fastening the shroud ring. In order to be fastened to the upstream casing, the guide blading (48a) of the turbine engine is mounted on a downstream hook (480b) of the upstream casing, without being hooked onto the shroud ring (66), and the downstream casing (58) has an upstream hook with which the sealing element (62) is engaged in order to be fastened to the downstream casing, or the shroud ring has an upstream hook on which the sealing element (62) is mounted so as to be fastened to the downstream casing.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: April 15, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Simon Nicolas Morliere, Nicolas Jean-Marc Marcel Beauquin, Thierry Fachat, Alain Dominique Gendraud
  • Patent number: 12278548
    Abstract: A smart motor having an electromechanical converter endowed with a rotating portion defining an axial direction and a radial direction, an electronic control unit, an electrical filter and a housing having a cooling device, the electromechanical converter, the electronic control unit and the filter being accommodated inside the housing, and the electronic control unit comprising an electrical converter configured to power the electromechanical converter. The housing is cylindrical and the electrical converter includes one or more electronic board(s) forming a hollow cylinder.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: April 15, 2025
    Assignee: SAFRAN ELECTRICAL & POWER
    Inventors: Jérémy Cuenot, Olivier Berry, Julie Danchin, Laurent Cartailler, Jean-Michel Bernard Paul Chastagnier, José Soler, Philip Indge, Samuel Lewis
  • Publication number: 20250116203
    Abstract: The present invention relates to an assembly (12) for a turbomachine, comprising: —an outer casing (15) made of half-shells; —an inner casing (14); —a plurality of guide vanes (13) mounted between the outer casing (15) and the inner casing (14), —a structural casing comprising a flange (23) which is radially inside the inner casing (14); and—a system (24) for blocking the inner casing (14) on the structural casing, comprising a generally annular tab (25) fixed to one of the inner casing (14) and the structural casing and a complementary chute (26) fixed to the other of the inner casing (14) and the structural casing, the chute (26) being configured to receive the tab (25) and to block it along the axis (X) with respect to the structural casing.
    Type: Application
    Filed: February 14, 2023
    Publication date: April 10, 2025
    Applicant: Safran Aircraft Engines
    Inventors: Olivier BELMONTE, Julien Fabien Patrick BECOULET
  • Publication number: 20250116202
    Abstract: A module including a device for changing the pitch of the vanes about the pitch axes thereof, the device including a hydraulic actuator capable of rotating about the longitudinal axis and configured to rotate the vanes about their pitch axes, a pump for supplying fluid to the hydraulic actuator, including a transmission shaft and a placed around the transmission shaft and rotating as one with the drive shaft, and an electric machine including a rotor rotating as one with the transmission shaft and a stator rotationally fixed relative to the longitudinal axis. The stator can be connected to a power supply cable passing through a passage provided in the third element of the speed reducing gear.
    Type: Application
    Filed: September 26, 2022
    Publication date: April 10, 2025
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Caroline Marie FRANTZ, Bastien Pierre VERDIER, Jean Charles Olivier RODA
  • Publication number: 20250116971
    Abstract: System for controlling a device provided with at least one equipment item, the control system comprising at least one sensor capable of measuring operating quantities of the device, and two specific channels for measuring a redundant sensor for each equipment item, at least one embedded control means configured to determine a command intended for at least one equipment item as a function of the at least one measurement of the operating quantity of the device and a selected measurement of the controlled equipment item, the control system further comprising a calculating means configured to determine the selected measurement of the at least one controlled equipment item, by means of a Kalman filter observer, as a function of the at least one measurement of the operating quantity of the device and the measurements of the two specific channels for measuring a redundant sensor for the controlled equipment item.
    Type: Application
    Filed: January 16, 2023
    Publication date: April 10, 2025
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Seif Eddine Benattia, Pierre Cabrera
  • Publication number: 20250118503
    Abstract: A contactor including a first electrical contact, a second electrical contact, and a movable bridge displaceable between a closed position and an open position, the contactor further including: a lower arc guide including a first portion connected to the first electrical contact, and a second portion connected to the second electrical contact, an upper arc guide including a first portion facing the first portion of the lower arc guide, a second portion facing the second portion of the lower arc guide, and a fuse connecting the first portion and the second portion of the upper arc guide.
    Type: Application
    Filed: January 12, 2023
    Publication date: April 10, 2025
    Applicant: SAFRAN ELECTRICAL & POWER
    Inventors: Guillaume PRIEUR, Cecil BELTAN, Kévin ENOUF
  • Patent number: 12270346
    Abstract: A method for monitoring a starting sequence of a turbomachine including a compressor provided with a rotor, a starter capable of rotating the rotor and a combustion chamber, the method including determining a bracketing of a time zone during which the ignition instant takes place, the bracketing being defined by, on the one hand, a lower limit corresponding to an event necessarily taking place before the ignition instant and an upper limit corresponding to an event necessarily taking place after the ignition instant; and determining between the lower limit and the upper limit, a break point in the variation with time of the measurement signal, this break point corresponding to an ignition instant of the air-fuel mixture in the combustion chamber.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: April 8, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Marion Marguerite Jedruszek, Jérôme Henri Noël Lacaille, Thomas Louis Gaston Dumargue
  • Patent number: 12270312
    Abstract: A ventilation ring for a bearing support member of an aircraft turbine engine includes two or more tubular walls and one or more spacer walls. The two or more tubular walls extend opposite each other, and one or more of the tubular walls includes a main portion and a base, the base having a thickness greater than a thickness of the main portion. The one or more spacer walls connect the two or more tubular walls. The one or more spacer walls have one or more apertures extending into the base and a rim around the aperture. An entirety of the rim has a thickness greater than a thickness of the spacer wall at a distance from the rim.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: April 8, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Mickaël Voiron, Fabien Stéphane Garnier, Nicolas Ovaere
  • Patent number: 12270658
    Abstract: A method of harmonizing a first inertial measurement unit and a second inertial measurement unit with each other includes the steps of: causing a control unit to compare the vectors measured by the inertial measurement units in order to determine a specific force difference and a rotation difference while taking account of the lever arms between the two measurement units; and causing the control unit to determine a harmonization value from the specific force difference and the rotation difference while taking account of the lever arms between the two measurement units. Navigation apparatus performs the method.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: April 8, 2025
    Assignee: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Emmanuel Robert, Philippe Elie, Pascal Agostini
  • Patent number: 12269094
    Abstract: A method for manufacturing an aeronautical part utilizes injection molding. After injecting the prepared mixtures to obtain two green blanks, an assembly area of at least one of these two blanks is heated. The blanks are assembled and then debinding is carried out. A sintering treatment is then carried out.
    Type: Grant
    Filed: June 7, 2020
    Date of Patent: April 8, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Hugo Sistach, Cédric Pierre Jacques Colas, Terence Grall
  • Patent number: 12270307
    Abstract: A rotor of a turbine extending around a longitudinal axis includes a rotor disc bearing at its periphery one or more rotor blades, each blade including an airfoil provided at its radially outer end with a platform equipped with an upstream lip and a downstream lip, the platform having a front lateral edge and a back lateral edge with respect to the normal direction of rotation of the rotor about the longitudinal axis, and a suction face portion which extends from the front lateral edge to the suction face of the airfoil. The upstream lip and the downstream lip each includes sawtooth-shaped cut-outs such as to form a front tooth and a back tooth which are contiguous, in that the back tooth has a cutting edge and in that the front tooth of each lip is disposed on the suction face portion of the platform.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: April 8, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Julian Nicolas Girardeau, Benoit Guillaume Silet
  • Patent number: 12270357
    Abstract: A method for controlling a turbojet engine thrust reverser during an aborted aircraft takeoff, the thrust reverser including doors movable between a stowed position, an overstowed position and a deployed position; door actuators to move the doors between the stowed, overstowed and deployed positions; a device for locking the doors in the stowed position, moveable between a locking position and an unlocking position; and a lock actuator to move the locking device between the locking and unlocking positions. The method includes decreasing the engine speed of the turbojet engine by following a setpoint value below a first engine speed threshold value at which the aerodynamic forces being exerted on the doors are equal to the forces developed by the door actuators; controlling the door actuators to bring the doors into the overstowed position; controlling the lock actuator to bring the locking device into the unlocking position.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: April 8, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Irène Bujon, Jean-Loïc Hervé Lecordix
  • Patent number: 12270348
    Abstract: Discharge valve of an aircraft turbomachine, including a discharge gate intended to be mounted pivotably about an axis between a position for closing an air passage orifice and an open position of said orifice, the orifice being formed in an intermediate casing of the turbomachine, the discharge valve including a sealing device having a seal configured to be movably mounted on the intermediate casing and a movement system configured to move the seal between a first position in which the seal is intended to bear against the discharge gate when the gate is in a closure position, and a second position in which the seal is retracted with respect to the air passage orifice when the discharge gate is in an open position.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: April 8, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Azath Mohamed, Alexandre Branco, Thierry Georges Paul Papin, Virginie Martine Collin
  • Patent number: 12272190
    Abstract: A method for monitoring an aircraft component, including the following steps: receiving, from a video acquisition device, a video stream that represents at least one portion of the component; in the event that the realization of a predetermined condition is detected, extracting a portion of the video stream to form a sequence of interest; identifying, within the extracted sequence of interest, at least one image of interest; including a signature, obtained using each image of interest, with at least one predetermined signature from a library of signatures; and generating an anomaly detection signal if the result of the comparison meets a predetermined criterion.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: April 8, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Josselin Xavier Coupard, Alrick Patrick Michel Jacques Verrier
  • Patent number: 12270318
    Abstract: A blade made of a composite material, the blade including a fibrous reinforcement densified by an organic matrix and being provided, in an attachment zone, with a metal element, wherein the reinforcement includes, in at least one region of the attachment zone, a surface textile orientation adapted to the direction of mechanical stresses by having first skin threads that extend in a main mechanical stress direction and that are bonded to second skin threads transverse to the first threads, the first skin threads making up most of the surface area of the region of the attachment zone.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: April 8, 2025
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Pierre-Antoine Bossan, François Charleux
  • Patent number: 12269394
    Abstract: Support (10) for holding a portable electronic device. The support includes a body (12) having an upper pivot location (18) relative to a passenger seat back, a support structure (22) coupled to the body and extendible below a lower edge of the body. The support structure is shaped to receive a lower edge of the portable electronic device and secure the portable electronic device to the body when the portable electronic device is received by the support structure.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: April 8, 2025
    Assignee: Safran Seats USA LLC
    Inventors: Luis Eduardo Ornelas, Daniel Abraham Chavarria Garcia, Gerardo Terriquez, Teresa del Carmen Antillon, Andres Jimenez