Patents by Inventor Dominique Onfroy
Dominique Onfroy 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).
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Patent number: 11872970Abstract: Aircraft braking system architecture comprising: a brake comprising electromechanical actuators (1, 2); a principal control channel (6) and an alternative control channel (7) comprising electrical components that are at least partly different and adapted to provide respectively a principal braking control function and an alternative braking control function that are at least partly different; power modules (15, 16) comprising electrical components that are at least partly different and adapted to generate electrical power supply currents (I1, I2) on the basis of principal control signals or alternative control signals; a surveillance unit (8) adapted to ensure that in normal operation the principal control signals are used and that in the event of a fault the alternative control signals are used to generate the electrical power supply currents.Type: GrantFiled: September 30, 2019Date of Patent: January 16, 2024Assignee: SAFRAN LANDING SYSTEMSInventors: Dominique Onfroy, Olivier Frey, Brian Goyez
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Patent number: 11267558Abstract: A braking system architecture for aircraft, the architecture comprising: a brake including friction members and electromechanical actuators for exerting a braking torque on the wheel; a computer situated in the fuselage of the aircraft and arranged to produce first control signals; and a junction box situated on the undercarriage, the junction box being connected to the computer and to the electromechanical actuators, the junction box being configured to receive the first control signals and to use the first control signals to produce second control signals for application to the electromechanical actuators in order to control the electromechanical actuators.Type: GrantFiled: February 28, 2020Date of Patent: March 8, 2022Assignee: SAFRAN LANDING SYSTEMSInventors: Brian Goyez, Dominique Onfroy, Olivier Frey
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Patent number: 11267559Abstract: A braking system architecture for aircraft, the architecture comprising: a brake including friction members and electromechanical actuators for exerting a braking torque on the wheel; a computer situated in the fuselage of the aircraft and arranged to produce first control signals; and a junction box situated on the undercarriage, the junction box being connected to the computer and to the electromechanical actuators, the junction box being configured to receive the first control signals and to use the first control signals to produce second control signals for application to the electromechanical actuators in order to control the electromechanical actuators.Type: GrantFiled: February 28, 2020Date of Patent: March 8, 2022Assignee: SAFRAN LANDING SYSTEMSInventors: Brian Goyez, Dominique Onfroy, Olivier Frey
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Patent number: 11267557Abstract: A braking system architecture for aircraft, the architecture comprising: a brake including friction members and electromechanical actuators for exerting a braking torque on the wheel; a computer situated in the fuselage of the aircraft and arranged to produce first control signals; and a junction box situated on the undercarriage, the junction box being connected to the computer and to the electromechanical actuators, the junction box being configured to receive the first control signals and to use the first control signals to produce second control signals for application to the electromechanical actuators in order to control the electromechanical actuators.Type: GrantFiled: February 28, 2020Date of Patent: March 8, 2022Assignee: SAFRAN LANDING SYSTEMSInventors: Brian Goyez, Dominique Onfroy, Olivier Frey
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Publication number: 20200198777Abstract: A braking system architecture for aircraft, the architecture comprising: a brake including friction members and electromechanical actuators for exerting a braking torque on the wheel; a computer situated in the fuselage of the aircraft and arranged to produce first control signals; and a junction box situated on the undercarriage, the junction box being connected to the computer and to the electromechanical actuators, the junction box being configured to receive the first control signals and to use the first control signals to produce second control signals for application to the electromechanical actuators in order to control the electromechanical actuators.Type: ApplicationFiled: February 28, 2020Publication date: June 25, 2020Applicant: SAFRAN LANDING SYSTEMSInventors: Brian Goyez, Dominique Onfroy, Olivier Frey
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Publication number: 20200198778Abstract: A braking system architecture for aircraft, the architecture comprising: a brake including friction members and electromechanical actuators for exerting a braking torque on the wheel; a computer situated in the fuselage of the aircraft and arranged to produce first control signals; and a junction box situated on the undercarriage, the junction box being connected to the computer and to the electromechanical actuators, the junction box being configured to receive the first control signals and to use the first control signals to produce second control signals for application to the electromechanical actuators in order to control the electromechanical actuators.Type: ApplicationFiled: February 28, 2020Publication date: June 25, 2020Applicant: SAFRAN LANDING SYSTEMSInventors: Brian Goyez, Dominique Onfroy, Olivier Frey
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Publication number: 20200198776Abstract: A braking system architecture for aircraft, the architecture comprising: a brake including friction members and electromechanical actuators for exerting a braking torque on the wheel; a computer situated in the fuselage of the aircraft and arranged to produce first control signals; and a junction box situated on the undercarriage, the junction box being connected to the computer and to the electromechanical actuators, the junction box being configured to receive the first control signals and to use the first control signals to produce second control signals for application to the electromechanical actuators in order to control the electromechanical actuators.Type: ApplicationFiled: February 28, 2020Publication date: June 25, 2020Applicant: SAFRAN LANDING SYSTEMSInventors: Brian Goyez, Dominique Onfroy, Olivier Frey
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Patent number: 10618640Abstract: An aircraft braking system comprising: a first group (Ga) of actuators and a second group (Gb) of actuators. A first control module (105a) is adapted, in a nominal mode, to control the first group, and in a reconfigured mode, to control the first group and the second group. A second control module (105b) is adapted, in a nominal mode, to control the second group, and in a reconfigured mode, to control the first group and the second group. A monitoring unit adapted is adapted to monitor the first control module and the second control module, and to put the first control module into the reconfigured mode of operation when the monitoring unit detects a failure of the second control module, and to put the second control module into the reconfigured mode when the monitoring unit detects a failure of the first control module.Type: GrantFiled: July 24, 2017Date of Patent: April 14, 2020Assignee: SAFRAN LANDING SYSTEMSInventors: Francois Bonigen, David Frank, Raphael Pierra, Dominique Onfroy
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Publication number: 20200101953Abstract: Aircraft braking system architecture comprising: a brake comprising electromechanical actuators (1, 2); a principal control channel (6) and an alternative control channel (7) comprising electrical components that are at least partly different and adapted to provide respectively a principal braking control function and an alternative braking control function that are at least partly different; power modules (15, 16) comprising electrical components that are at least partly different and adapted to generate electrical power supply currents (I1, I2) on the basis of principal control signals or alternative control signals; a surveillance unit (8) adapted to ensure that in normal operation the principal control signals are used and that in the event of a fault the alternative control signals are used to generate the electrical power supply currents.Type: ApplicationFiled: September 30, 2019Publication date: April 2, 2020Applicant: SAFRAN LANDING SYSTEMSInventors: Dominique Onfroy, Olivier Frey, Brian Goyez
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Patent number: 10604240Abstract: A braking system architecture for aircraft, the architecture comprising: a brake including friction members and electromechanical actuators for exerting a braking torque on the wheel; a computer situated in the fuselage of the aircraft and arranged to produce first control signals; and a junction box situated on the undercarriage, the junction box being connected to the computer and to the electromechanical actuators, the junction box being configured to receive the first control signals and to use the first control signals to produce second control signals for application to the electromechanical actuators in order to control the electromechanical actuators.Type: GrantFiled: December 22, 2017Date of Patent: March 31, 2020Assignee: SAFRAN LANDING SYSTEMSInventors: Brian Goyez, Dominique Onfroy, Olivier Frey
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Patent number: 10414489Abstract: An aircraft landing gear comprising an axle (100), a wheel (102) borne by the axle, a stack of discs (104) arranged to impose a braking torque on the wheel in response to a pressure imposed on the stack of discs, at least one electromechanical actuator (106) extending facing the stack of discs in order in a controlled manner to apply the imposed pressure to the stack of discs, and an actuator bearer (107) designed to bear the electromechanical actuator. The electromechanical actuator is fixed to the actuator bearer while at the same time being demountable. The actuator bearer is incorporated into the axle in such a way that the axle and the actuator bearer form a single component. There also is a method of demounting a stack of discs from such a landing gear.Type: GrantFiled: March 21, 2017Date of Patent: September 17, 2019Assignee: SAFRAN LANDING SYSTEMSInventors: Dominique Onfroy, Philippe Chico
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Publication number: 20180178905Abstract: A braking system architecture for aircraft, the architecture comprising: a brake including friction members and electromechanical actuators for exerting a braking torque on the wheel; a computer situated in the fuselage of the aircraft and arranged to produce first control signals; and a junction box situated on the undercarriage, the junction box being connected to the computer and to the electromechanical actuators, the junction box being configured to receive the first control signals and to use the first control signals to produce second control signals for application to the electromechanical actuators in order to control the electromechanical actuators.Type: ApplicationFiled: December 22, 2017Publication date: June 28, 2018Applicant: SAFRAN LANDING SYSTEMSInventors: Brian Goyez, Dominique Onfroy, Olivier Frey
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Patent number: 9950785Abstract: Architecture of an aircraft braking system having a brake (20) comprising a plurality of electromechanical actuators (25), with each electromechanical actuator (25) comprising a power module and a digital communication module (26). The brake digital communication modules are interconnected to form a digital network (30). The system also has two control units (22a, 22b) adapted for generating digital signals for controlling electric motors and one network interconnection member (23) connected to two control units and incorporated in the digital network for distributing the digital control signals to the digital communication modules via the digital network.Type: GrantFiled: November 30, 2016Date of Patent: April 24, 2018Assignee: SAFRAN LANDING SYSTEMSInventors: Dominique Onfroy, Brian Goyez, Steve Coustenoble, Eric Evenor
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Patent number: 9422054Abstract: An aircraft electromechanical braking system comprising a braking control unit 10 and at least one electromechanical brake 1, the brake 1 being fitted with at least one electromechanical actuator 4 having a pusher 6 suitable for being moved by means of an electric motor 7. The actuator 4 also has a blocking member 8 for blocking the pusher 6 in position. The control unit 10 is adapted to cause the braking system to operate in an additional braking mode referred to as “combined” mode, in which the motor 7 is activated to bring the pusher 6 into a position in which it exerts a given holding force, and then the blocking member 8 is activated, while activation of the motor 7 is maintained.Type: GrantFiled: October 22, 2013Date of Patent: August 23, 2016Assignee: MESSIER-BUGATTI-DOWTYInventors: Dominique Onfroy, Thomas Lepage, Franck Selles, Frédéeric Ragot
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Patent number: 9026332Abstract: The invention relates to a method of controlling a vehicle brake adapted to exert a braking force in response to an actuation setpoint, in which: from a braking setpoint including low frequency components and high frequency components, a nominal actuation setpoint is determined for the brake actuator that takes account of all of the components of the braking setpoint; from the same braking setpoint, and from a measurement of the torque developed by the brake, a correction for the nominal actuation setpoint is determined, the correction taking account only of low frequency variations in the braking setpoint, the correction being adapted to take account of current or future operating conditions of at least said brake or of brakes subjected to the same braking setpoint; and the correction is added to the nominal setpoint.Type: GrantFiled: January 12, 2010Date of Patent: May 5, 2015Assignee: Messier-Bugatti-DowtyInventor: Dominique Onfroy
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Publication number: 20120273309Abstract: An aircraft braking system architecture having brakes with electromechanical actuators (3) for selectively applying a braking force to respective stacks of disks (2) in order to exert a braking torque on respective wheels. Included is at least one power module (7) that sends phase currents to the electromechanical actuators so that the latter can exert a braking force and at least one control module (8) for controlling the power module in response to a braking command such that appropriate phase currents are sent to the actuators so that these can develop the desired braking force. At least one power supply unit (20), comprising means (21) of generating a high voltage (HVDC), supplies the power module with the high power it needs for powering the actuators. The unit (20) also has means (22) for generating a low voltage (LVDC) for powering at least the control module at a low voltage.Type: ApplicationFiled: April 6, 2012Publication date: November 1, 2012Applicant: MESSIER-BUGATTI-DOWTYInventors: Julien THIBAULT, Stéphane Mudry, Dominique Onfroy
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Patent number: 8290676Abstract: The invention relates to a method of controlling a vehicle brake that is adapted to exert a braking force in response to an actuation setpoint, the method comprising the following steps: from a braking setpoint, determining a nominal actuation setpoint for the brake actuator, taking account of all of the components of the braking setpoint; from the same braking setpoint, and from a measurement of the torque developed by the brake, determining a correction for the nominal actuation setpoint, this correction taking account only of low-frequency variations in the braking setpoint; and adding the correction to the nominal setpoint.Type: GrantFiled: July 11, 2008Date of Patent: October 16, 2012Assignee: Messier-Bugatti-DowtyInventors: Julien Thibault, Dominique Onfroy
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Publication number: 20090024290Abstract: The invention relates to a method of controlling a vehicle brake that is adapted to exert a braking force in response to an actuation setpoint, the method comprising the following steps: from a braking setpoint, determining a nominal actuation setpoint for the brake actuator, taking account of all of the components of the braking setpoint; from the same braking setpoint, and from a measurement of the torque developed by the brake, determining a correction for the nominal actuation setpoint, this correction taking account only of low-frequency variations in the braking setpoint; and adding the correction to the nominal setpoint.Type: ApplicationFiled: July 11, 2008Publication date: January 22, 2009Applicant: MESSIER-BUGATTIInventors: Julien THIBAULT, Dominique Onfroy