Patents Assigned to SAFRAN
  • System for controlling the pitch setting of a propeller vane for an aircraft turbine engine
    Patent number: 11981418
    Abstract: A system for controlling the pitch setting of a propeller blade for an aircraft turbine engine is provided. The system generally including a blade having an airfoil connected to a root; a cup having an annular wall extending about a pitch axis of the blade and a lower axial end enclosed by a bottom wall; a locking ring that extends around the root and inside the cup; a safety element that ensures the retention of the root relative to the cup. The at least one safety element can have a generally elongate shape and can pass through aligned holes in the bottom wall of the cup and in the free end of the root.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: May 14, 2024
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Clément Cottet, Vivien Mickaël Courtier, Vincent Joudon, Régis Eugène Henri Servant
  • Device for controlling an airflow guiding system, in particular in an aircraft turbine engine
    Patent number: 11982192
    Abstract: Device (30) for controlling an airflow guiding system (20), comprising at least one actuator (31) configured to translate a control rod (32) between a first and a second end position of a nominal operating range in which at least one vane (21a) of the airflow guiding system (20) can be moved between a first and a second angle, the control rod (32) being connected to the vane (21a) by a control lever (33) comprising a first control rod (36) and a second control rod (37) which are hinged together. The actuator (31) is configured to bring the control rod (32) into a safety position located beyond the second end position of the nominal operating range and to orient the vane (21a) at a safe pitch angle between the first angle and the second angle.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: May 14, 2024
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Frédéric Anthony Alain Imbourg, Pierre Chabanne, Thibaut Maxime Javoy
  • Aircraft seat provided with a rack mounted on a deformable portion
    Patent number: 11981439
    Abstract: The present invention relates to an aircraft seat comprising: a guide rail (26); a rack (34); an actuator (30) provided with a gear (31); at least one connection portion (35) providing a mechanical connection between the guide rail (26) and the rack (34), characterized in that the connection portion (35) included a zone (36) of mechanical weakness and in that a first bearing element (37) and a second bearing element (38) are disposed on either side of the rack (34), such that, if the deformation of the seat generates a movement of the gear (31), said gear (31) or the corresponding shaft (32) comes into abutment against one of the bearing elements (37, 38) and in this way deforms the connection portion (35) along the zone (36) of mechanical weakness.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: May 14, 2024
    Assignee: Safran Seats
    Inventors: Christophe Cheron, Ronan Lesueur, Christian Verny
  • Temporary changing room reusing flight attendant seat area
    Patent number: 11981435
    Abstract: Described are temporary privacy modules for non-passenger seating areas of aircraft cabin arrangements. The temporary privacy modules selectively enclose a portion of the non-passenger seating areas. The temporary privacy modules include a support and a privacy device. The privacy device is movable relative to the support between a stowed position and a deployed position. In the deployed position, the privacy device encloses the portion of the non-passenger seating area and defines a temporary privacy room within the non-passenger seating area.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: May 14, 2024
    Assignee: Safran Seats USA LLC
    Inventors: Oscar Ruiz Lara, Arthur Glain
  • Turbomachine rotary assembly comprising an annular clamping part
    Patent number: 11982188
    Abstract: A rotary assembly for a turbomachine including a rotor including at least two consecutive rotor stages provided with a plurality of blades and an annular rotor shroud connecting the two consecutive rotor stages, a stator including: at least one stator stage provided between the two consecutive rotor stages including a plurality of vanes, a turbomachine stator vane root, an annular clamping part and an annular support of abradable material, the root extending radially and being clamped axially between the annular support of abradable material and the annular clamping part, A space separates a radially internal end of the root and the annular support of abradable material. A turbojet engine including a rotary assembly as previously.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: May 14, 2024
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Simon Jean-Marie Bernard Cousseau, Nicolas Xavier Trappier, Maxime Aurelien Rotenberg
  • SURFACE HEAT EXCHANGER HAVING ADDITIONAL OUTLETS
    Publication number: 20240151474
    Abstract: A surface heat exchanger for an aircraft turbomachine includes a support wall, a panel parallel to the support wall, partitions connecting the wall to the panel to define channels in which an air flow flows, and fins situated in the channels. The panel has a central part parallel to the wall and a downstream part that is inclined with respect to the wall. An upstream end is connected to the central part and a downstream end is situated at a distance from the wall and delimits with the latter a main outlet of the channels. The downstream part has fixed flaps disposed one after another so as to delimit between one another additional outlets of the channels.
    Type: Application
    Filed: March 6, 2022
    Publication date: May 9, 2024
    Applicant: SAFRAN
    Inventors: Ephraïm TOUBIANA, Samer MAALOUF, Quentin HOLKA
  • METHOD AND UNIT FOR CALCULATING INERTIAL NAVIGATION DATA
    Publication number: 20240151535
    Abstract: This inertial navigation unit comprises a navigation data acquisition unit (1) and a first navigation stage (2) capable of calculating hybrid navigation values by combining navigation data.
    Type: Application
    Filed: February 28, 2022
    Publication date: May 9, 2024
    Applicant: SAFRAN ELECTRONICS & DEFENSE
    Inventors: Yannick Foloppe, Benjamin Deleaux
  • DEVICE FOR CENTERING AND GUIDING A SHAFT OF AN AIRCRAFT TURBINE ENGINE
    Publication number: 20240151238
    Abstract: A device for centering and guiding a shaft of an aircraft turbine engine is provided. The device includes an outer ring of a rolling bearing extending about an axis and having orifices, an annular bearing support extending about the axis and at least partially about the ring, the support having orifices and a series of studs for connecting the ring to the support. The studs can be distributed about the axis and extend parallel to the axis. The ends of first studs can be engaged without clearance in the orifices, and ends of second studs can be engaged with clearances in the orifices of the ring and/or of the support, the clearances being configured so that the device has different stiffnesses in at least two directions perpendicular to the axis.
    Type: Application
    Filed: March 9, 2022
    Publication date: May 9, 2024
    Applicant: SAFRAN AIRCRAFT ENGINES
    Inventors: Paul Ghislain Albert LEVISSE, Emmanuel Fabrice Marie BARET, Julien Fabien Patrick BECOULET, Alexandre Jean-Marie TAN-KIM
  • Aircraft seat unit
    Patent number: 11975844
    Abstract: The present invention provides an aircraft seat unit comprising a main seat, and a companion seat, the main seat and the companion seat facing each other, wherein the companion seat comprises a seat pan, providing a seat pan surface, and a moveable seat element, the moveable seat element being moveable in relation to the seat pan between a stowed position, in which the companion seat provides an additional support surface for a main passenger in the main seat, and a deployed position, in which the moveable seat element provides a backrest surface for a companion passenger in the companion seat. The invention also provides a method of deploying and a method of stowing a companion seat.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: May 7, 2024
    Assignee: Safran Seats GB Limited
    Inventor: James Woodington
  • Oil restrictor for emergency lubrication of a component for an aircraft turbine engine
    Patent number: 11976786
    Abstract: An oil restrictor for emergency lubrication of a component for an aircraft turbine engine includes a metal cylindrical body having a longitudinal axis and configured to be housed in and shrink-fitted into a cylindrical bore of a part of the turbine engine. The restrictor further includes an integrated oil circuit enabling oil to pass through the restrictor along the axial extent thereof. The body is a one-piece body, and the circuit has at least two oil channels recessed on an outer cylindrical surface of the body and extending around and/or along the axis.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: May 7, 2024
    Assignee: SAFRAN TRANSMISSION SYSTEMS
    Inventors: Alexis Claude Michel Dombek, Patrice Jocelyn Francis Gedin
  • Methods for monitoring service interval of an actuator
    Patent number: 11975822
    Abstract: A method of determining a service interval for an actuator of a landing gear assembly is suitable for used with a landing gear assembly in which the actuator positions the landing gear assembly between a stowed position and a deployed position. The method includes the steps of determining an actuator travel value for a time interval and increasing a total actuator accumulated travel value by the actuator travel value for the time interval. The method further includes the step of comparing the total actuator accumulated travel value to a predetermined value.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: May 7, 2024
    Assignees: Safran Landing Systems, Safran Landing Systems Canada Inc.
    Inventors: Andrew Michael Ellis, Graeme Peter Arthur Klim, Aakash Gohil, Pierrick Géraud Alexandre Lemonnier, Leszek Marian Dacko
  • Bottom pan torque bearing attachment
    Patent number: 11975842
    Abstract: Described are torque bearing assemblies for passenger seats. A torque bearing attachment (122, 222, 322, 422) includes an elongated body having a forward edge configured to mate with an aft end (140) of a seat bottom pan (120), and first and second side edges having attachment elements (136) for connecting the assembly with a passenger seat frame (108). The first and second side edges can be positioned orthogonal to the forward edge and at opposite ends of the elongated body with respect to each other.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: May 7, 2024
    Assignee: Safran Seats USA LLC
    Inventors: Charles Michael Parker, Reza Mansouri, Gokul Ramarathnam, Romain Tranier
  • Fused sand-resistant aeronautical part
    Patent number: 11976570
    Abstract: The invention relates to an aeronautical part, such as, for example, a turbine blade or a distributor vane, which is used in aeronautics, comprising at least one reactive layer adapted to react with at least one CMAS compound, the reactive layer at least partially covering the environmental barrier, characterized in that the material of the reactive layer comprises at least one oxide of the formula A?4-xA?xB?2-yB?yO11-?, A? being selected from a rare earth, yttrium and scandium, A? being selected from a rare earth, yttrium, scandium and aluminum, B? being selected from tantalum and niobium, B? being selected from tantalum, niobium, titanium, zirconium, hafnium, aluminum and cesium, wherein x and y are real numbers between 0 and 2 and 6 is a real number between ?1 and 2 and preferably between ?1 and 1.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: May 7, 2024
    Assignee: SAFRAN
    Inventors: Aurélien Joulia, Benjamin Dominique Roger Joseph Bernard, Luc Patrice Bianchi
  • Lightweight passenger privacy screen
    Patent number: 11975839
    Abstract: Described are privacy screens and privacy assemblies for passenger seats including a frame defining a perimeter of the privacy screen and shaped to partially wrap around a portion of a passenger seat, a textile shell connected with and surrounding the frame, and a sound-absorbing layer positioned within the frame and surrounded by the textile shell for conferring physical, visual, and sound privacy for an occupant.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: May 7, 2024
    Assignee: Safran Seats USA LLC
    Inventor: Arthur Glain
  • Moulding device
    Patent number: 11975383
    Abstract: A moulding device (1) for moulding a material around a core (2), comprising a hollow moulding enclosure (3) suitable for receiving the core (2), and means for controlling the shape of the core (2) in the hollow enclosure (3), the control means comprising means for deforming the core (2). The control means further comprise force control means and a control unit (8) suitable for actuating the deformation means in accordance with information provided by the force control means.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: May 7, 2024
    Assignee: SAFRAN
    Inventors: David Grange, Ramzi Bohli
  • Seat assembly, in particular for an aircraft
    Patent number: 11975843
    Abstract: The present invention relates to an assembly of individual seats intended to be installed in an aircraft cabin, the assembly comprising: —a first seat and a second seat, a central console arranged between the first seat and the second seat, the central console comprising a first foot area and a second foot area extending in two opposite directions, —a seat surface width of the first seat being smaller in a portion of the seat opposite the second foot area in relation to a width of a portion of the seat surface opposite the first foot area so as to increase a space between the seat surface of the first seat and the second foot area.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: May 7, 2024
    Assignee: Safran Seats
    Inventors: Franck Jasny, Charles Ehrmann, Laurent Ligonniere, Daniele Guerra, Blong Siong
  • Blade for a turbomachine fan, comprising an identification medium, and method for reading such an identification medium
    Patent number: 11976567
    Abstract: A blade for a turbomachine fan, the blade being made from a composite material containing a plurality of longitudinal conductive fibres embedded in an electrically non-conductive matrix, the blade having at least one fastening region to which an identification medium for identifying the blade is fastened, the fastening region containing longitudinal fibres oriented along a preferred fibre axis, the identification medium contains an item of identification data for identifying the blade and at least one radio antenna having at least one communication lobe configured so as to receive a read request and transmit the item of identification data in return, the communication lobe being oriented along a radio axis that is angularly offset from the preferred fibre axis by less than 45°, preferably by less than 22.5°.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: May 7, 2024
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Tony Alain Roger Joël Lhommeau, Dimitri Germinal Soteras, Clément René Roger Sirot, Alain Laurent Christian Vitalis
  • RETRACTABLE BODY MOUNTED LANDING GEAR WITH SECONDARY CRASH ATTENUATION
    Publication number: 20240140594
    Abstract: A landing gear assembly for a vehicle, such as a helicopter, includes a linkage coupled to the vehicle and configured to reciprocate between a stowed position and a deployed position. A shock strut forms a part of the linkage. The landing gear assembly further includes a side brace having a first end coupled to the linkage and a second end coupled to the vehicle. The side brace provides a driving force that reciprocates the linkage between the stowed and deployed position. The side brace includes an energy attenuation system that dissipates energy when a compressive load on the side brace exceeds a predetermined threshold.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 2, 2024
    Applicant: SAFRAN LANDING SYSTEMS CANADA INC.
    Inventor: Michael SACCOCCIA
  • LANDING GEAR MAIN FITTING WITH INTEGRAL SHOCK ABSORBER
    Publication number: 20240140597
    Abstract: A main fitting includes an elongate piston and a cylinder configured to slidingly receive the piston. A first end of the piston extends from a first end of the cylinder, and a second end of the piston extends from a second end of the cylinder. The first end of the cylinder comprises a bearing surface engaging the piston to limit translation of the piston relative to the cylinder to a longitudinal direction.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 2, 2024
    Applicant: SAFRAN LANDING SYSTEMS CANADA INC.
    Inventors: Zoran PASIC, Michael SACCOCCIA, Randy LEE
  • BLADE COMPRISING A STRUCTURE MADE OF COMPOSITE MATERIAL AND ASSOCIATED MANUFACTURING METHOD
    Publication number: 20240141917
    Abstract: The present invention relates to a blade comprising: a structure of aerodynamic profile comprising two mutually opposite skins; and a spar comprising a fibrous reinforcement obtained by three-dimensional weaving and densified by the matrix, the spar comprising a blade root portion extending outside the structure of aerodynamic profile and an airfoil portion arranged inside the structure of aerodynamic profile between the two skins. Moreover, within the blade root portion, the fibrous reinforcement of the spar comprises a non-debound region and at least two debound regions extending radially from the non-debound region so as to form at least four separate branches.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 2, 2024
    Applicant: Safran Aircraft Engines
    Inventor: Vincent JOUDON