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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Publication number: 20230373450Abstract: A wheel-braking system architecture for an aircraft is provided. The architecture includes a friction brake; an electromechanical actuator associated with a power module connected to a digital communication module by a first driver module; and a controller having both a power supply unit for powering the power module by delivering a power supply voltage (Vc) thereto, and also a control unit connected to the digital communication unit in order to transmit a digital control signal to the digital communication module. The control unit can be connected to the driver unit by an analog wired connection in order to transmit that to a first analog braking order from which the first driver module drives the power module to produce a degraded power supply current for the actuator.Type: ApplicationFiled: October 6, 2021Publication date: November 23, 2023Applicant: SAFRAN LANDING SYSTEMSInventors: Olivier FREY, Dominique ONFROY
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Publication number: 20230227010Abstract: A braking system architecture for aircraft, the architecture comprising: a brake (20) comprising a plurality of electromechanical actuators (26), each electromechanical actuator including a digital communication module; at least one power supply unit (21, 22); two control units (23, 24), each control unit being connected to a distinct group of one or more electromechanical actuators and comprising an upstream digital communication module (27), a control module (28) arranged to generate digital control signals (Sn1, Sn2), and a downstream digital communication module (29) connected to the digital communication modules of the electromechanical actuators of said group in order to transmit the digital control signals to the power modules of said electromechanical actuators; and a digital communication network (25) to which the upstream digital communication modules (27) of both control units are connected.Type: ApplicationFiled: May 6, 2021Publication date: July 20, 2023Applicant: SAFRAN LANDING SYSTEMSInventors: Dominique ONFROY, Olivier FREY, Brian GOYEZ
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Publication number: 20220212640Abstract: An aircraft brake system comprising: a first group of at least one electromechanical actuator, a second group of at least one electromechanical actuator, a first control device with a first software module and a second software module, the second software module being configured to control the first group of at least one actuator at least in the event of a fault of the first software module, a second control device with a third software module and a fourth software module, the fourth software module being configured to control the second group of at least one actuator at least in the event of a fault of the third software module, wherein the first device module and the second control device are dissimilar. The invention also relates to an aircraft equipped with this system.Type: ApplicationFiled: May 22, 2020Publication date: July 7, 2022Applicant: SAFRAN LANDING SYSTEMSInventors: Olivier FREY, Julien THIBAULT, Dominique ONFROY
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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: 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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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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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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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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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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Publication number: 20180022446Abstract: 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: ApplicationFiled: July 24, 2017Publication date: January 25, 2018Applicant: SAFRAN LANDING SYSTEMSInventors: Francois BONIGEN, David FRANK, Raphael PIERRA, Dominique ONFROY
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Publication number: 20170267336Abstract: 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 being 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. Method of demounting a stack of discs from such a landing gear.Type: ApplicationFiled: March 21, 2017Publication date: September 21, 2017Applicant: SAFRAN LANDING SYSTEMSInventors: Dominique ONFROY, Philippe CHICO
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Publication number: 20170152027Abstract: Architecture of an aircraft braking system comprising: 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), with the brake digital communication modules being interconnected to form a digital network (30); two control units (22a, 22b) adapted for generating digital signals for controlling electric motors; 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: ApplicationFiled: November 30, 2016Publication date: June 1, 2017Applicant: 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