Patents Assigned to SAFRAN ELECTRONICS AND DEFENSE
-
Patent number: 11396387Abstract: The present invention relates to a method for verifying the presence of equipment (E) on board an aircraft, the method comprising the following steps:—during a flight of the aircraft, implementing (102) radio communication tests by means of a device (2) on board the aircraft so as to determine an in-flight list of equipment consisting of any equipment having a quality of radio link with the radio communication device (2) higher than a first predetermined quality threshold;—after the flight, implementing (104) radio communication tests by means of the device (2) so as to determine a post-flight list of equipment consisting of any equipment having a quality of radio link with the radio communication device (2) higher than a second predetermined threshold after the flight;—generating (108) an alert when an item of equipment is present on the in-flight list and absent from the post-flight list.Type: GrantFiled: November 14, 2019Date of Patent: July 26, 2022Assignee: SAFRAN ELECTRONICS AND DEFENSEInventors: Nicolas Fanton, Nicolas Lipari, Pierre-Jean Tine, Emmanuel Couturier, Alexandre Artault
-
Patent number: 10852159Abstract: A method is proposed for controlling the precession of a gyroscope (1) comprising a support (2) and a resonator (3), the support (2) being mobile in a platform coordinate system and stationary in a measurement coordinate system, the method comprising the generation (101) of a first control signal suitable for rotating the resonator (3) with respect to the support (2) in two opposite directions of rotation during a first period, the method being characterized by the following steps: reception (104) of data (Tpm) on relative positioning between the measurement coordinate system and the platform coordinate system, calculation (105) of a second control signal to be generated during a second period on the basis of the first control signal and the relative-positioning data, the second control signal being chosen in such a way as to minimize an average of accumulated angular errors in the angular measurements acquired by the gyroscope during the entirety of the first and second period, the angular errors being exType: GrantFiled: November 22, 2017Date of Patent: December 1, 2020Assignee: SAFRAN ELECTRONICS AND DEFENSEInventors: Pascal Debanne, Arnaud Pinturaud, Benjamin Deleaux, Jean-Christophe Charlaix
-
Patent number: 10843257Abstract: A method (S) for manufacturing a part (1) out of a metal matrix composite material, including the following steps: opening (S1) a device (10) that includes a supporting portion (14) and a molding portion (14); placing (S2) a fibrous reinforcement into the device (10); sealably closing (S3) the device (10) by providing a space between the fibrous reinforcement (2) and the device portions; feeding (S4) the molten metal matrix (3) into the device (10) such as to fill the space between the fibrous reinforcement (2) and the device portions (13, 14); and applying (S5) a force onto the equipment (10) such as to impregnate the fibrous reinforcement (2) with the metal matrix (3).Type: GrantFiled: June 2, 2015Date of Patent: November 24, 2020Assignees: SAFRAN ELECTRONICS AND DEFENSE, SAFRANInventors: Muriel Sabah, Nicolas Maisonnave
-
Patent number: 10293919Abstract: The invention concerns a flight control device (1) for an aircraft, comprising: —a housing (2), —a handle (4) mounted rotating relative to the housing (2) about a center of rotation (O), —a first drive shaft (31), a second drive shaft (32) and a third drive shaft (33), the drive shafts (31-33) being mounted rotating relative to the housing (2) about a same axis of rotation (X), —a first connecting part (34) mounted pivoting on the first shaft (31) about a first axis of rotation (A1), and on the handle (4) about a fourth axis of rotation (B1), —a second connecting part (35) mounted pivoting on the second shaft (32) about a second axis of rotation (A2), and on the handle (4) about a fifth axis of rotation (B2), —a third connecting part (36) mounted pivoting on the third shaft (33) about a third axis of rotation (A3), and on the handle (4) about a sixth axis of rotation (B3), the first axis of rotation (A1), the second axis of rotation (A2) and the third axis of rotation (A3) intersecting at the center of rotatiType: GrantFiled: October 21, 2016Date of Patent: May 21, 2019Assignee: SAFRAN ELECTRONICS AND DEFENSEInventor: Oleg Gomolko
-
Patent number: 10175699Abstract: The present invention relates to a method for automatically assisting with the landing of an aircraft on a runway from a return point (A) to a completion point (D), at which the aircraft touches the runway, by means of a data-processing device on-board said aircraft, which device is configured to be connected to an altimeter and a deviation meter, the method including: a return-navigation assistance phase including guidance of the aircraft, on the basis of measurements of the azimuth deviation of the aircraft relative to a reference direction linking said return point (A) and the position of the deviation meter (E) transmitted by said deviation meter, from the return point (A) towards the position of the deviation meter (E), determination of the position of the aircraft at a predetermined capture point (B) that is aligned with the return point (A) and the position of the deviation meter (E), and guidance of the aircraft along a predetermined path from the capture point (B) to a predetermined holding point (C)Type: GrantFiled: July 15, 2016Date of Patent: January 8, 2019Assignee: SAFRAN ELECTRONICS AND DEFENSEInventors: Alain Chiodini, Francois Dufresne De Virel, Sylvain Pouillard
-
Patent number: 10162314Abstract: The present invention concerns a method for switching, by a local processing unit (1,2) of a flight control system of an aircraft, configured to control at least one local actuator, connected to at least one local sensor and connected via at least one link (3,4) to an opposite processing unit (2,1) configured to control at least one opposite actuator and be connected to at least one opposite sensor, said local processing unit (1,2) being further configured to be connected to backup communication means (13,14) enabling data exchanges between the local processing unit (1,2) and the opposite processing unit (2,1) in the case of failures of the links connecting same (3,4), said backup communication means comprising an array of sensors or actuators (13) and/or a secure onboard network for the avionics (14), comprising steps of: •—sending, to the opposite processing unit (2,1), acquisition data relative to the at least one local sensor and actuator data relative to the at least one local actuator, •—receiving, fromType: GrantFiled: September 4, 2015Date of Patent: December 25, 2018Assignees: SAFRAN ELECTRONICS AND DEFENSE, SAFRAN HELICOPTER ENGINESInventors: Celine Liu, Nicolas Marti, Stephen Langford
-
Patent number: 10040539Abstract: The invention relates to an actuator (4) for controlling a horizontal stabilizer (3) of an aircraft, including: a primary channel including a screw (6) and a primary nut (7), the primary nut (7) being suitable for engaging with the screw (6), such that a rotation of the screw (6) relative to the primary nut (7) about a rotation axis (X) causes the primary nut (7) to translate relative to the screw (6) along the axis (X), such as to move the horizontal stabilizer (3); a secondary channel including a secondary part (25, 28), and a housing (23, 26), the secondary part (25, 28) being mounted in the housing (23, 26) with play between the secondary part and the housing, in which the secondary channel also includes a play take-up device (27), configured to, in the event of a breakdown of the primary channel causing the secondary part (25, 28) to move relative to the housing, eliminate the play between the secondary part (25, 28) and the housing (23, 26) such as to keep the secondary part (25, 28) in contact with theType: GrantFiled: January 20, 2015Date of Patent: August 7, 2018Assignee: SAFRAN ELECTRONICS AND DEFENSEInventors: Bruno Antunes, Christian Gouard, Hervé Gorecki, Jérôme Mehez, Jesus-Angel Humanes
-
Patent number: 10000278Abstract: The invention relates to a landing gear (1) of an aircraft (5), comprising: a strut assembly (10) including a first end (10a) designed to be mounted on the aircraft (5) and a second end (10b) opposite the first end (10a); a rod (14) slidably mounted on the second end (10b) of the strut assembly (10), said rod (14) being translationally movable in relation to the strut assembly (10); and at least one obstacle detector (2) secured to the landing gear (1), the landing gear (1) being characterized in that the obstacle detector (2) is secured in a zone adjacent to the second end (10b) of the strut assembly (10).Type: GrantFiled: April 17, 2015Date of Patent: June 19, 2018Assignees: SAFRAN ELECTRONICS AND DEFENSE, SAFRAN LANDING SYSTEMSInventors: Carlo Necci, Jacques Lacourie