Patents by Inventor Raphael PIERRA

Raphael PIERRA 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).

  • Patent number: 11192640
    Abstract: An emergency extension system for extending at least one aircraft undercarriage, the emergency extension system comprising both electromechanical actuators, each electromechanical actuator having an identification component arranged to allocate an identifier to said electromechanical actuator, which identifier depends in particular on a function performed by said electromechanical actuator, and also an electrical card having a delay component arranged to delay actuation of a the electromechanical actuator by an actuation delay that depends on the identifier allocated to the electromechanical actuator, the electromechanical actuators of the emergency extension system thus being arranged to be actuated in succession in an actuation sequence that is defined by the actuation delays.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: December 7, 2021
    Inventors: Raphaël Pierra, Mathieu Rousselet, Vincent Pascal, Jean-Luc Belleval
  • Patent number: 10965190
    Abstract: Electric motor comprising a rotor and a stator (2), the stator comprising a body (3) forming a frame and a windings assembly (4, 5) housed in slots of the body. The electric motor comprises at least one rod (16, 23) used to connect, to one another, at least two fixed assembled parts of the electric motor, the rod extending into a housing (9) formed in the body over the entire length thereof in order to emerge on each side of the body.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: March 30, 2021
    Assignee: SAFRAN LANDING SYSTEMS
    Inventors: Eric Evenor, Francois-Noel Leynaert, Raphael Pierra
  • Patent number: 10618640
    Abstract: 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: Grant
    Filed: July 24, 2017
    Date of Patent: April 14, 2020
    Assignee: SAFRAN LANDING SYSTEMS
    Inventors: Francois Bonigen, David Frank, Raphael Pierra, Dominique Onfroy
  • Publication number: 20180244374
    Abstract: An emergency extension system for extending at least one aircraft undercarriage, the emergency extension system comprising both electromechanical actuators, each electromechanical actuator having an identification component arranged to allocate an identifier to said electromechanical actuator, which identifier depends in particular on a function performed by said electromechanical actuator, and also an electrical card having a delay component arranged to delay actuation of a the electromechanical actuator by an actuation delay that depends on the identifier allocated to the electromechanical actuator, the electromechanical actuators of the emergency extension system thus being arranged to be actuated in succession in an actuation sequence that is defined by the actuation delays.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 30, 2018
    Applicant: SAFRAN LANDING SYSTEMS
    Inventors: Raphaël Pierra, Mathieu Rousselet, Vincent Pascal, Jean-Luc Belleval
  • Publication number: 20180022446
    Abstract: 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: Application
    Filed: July 24, 2017
    Publication date: January 25, 2018
    Applicant: SAFRAN LANDING SYSTEMS
    Inventors: Francois BONIGEN, David FRANK, Raphael PIERRA, Dominique ONFROY
  • Publication number: 20170098976
    Abstract: Electric motor comprising a rotor and a stator (2), the stator comprising a body (3) forming a frame and a windings assembly (4, 5) housed in slots of the body. The electric motor comprises at least one rod (16, 23) used to connect, to one another, at least two fixed assembled parts of the electric motor, the rod extending into a housing (9) formed in the body over the entire length thereof in order to emerge on each side of the body.
    Type: Application
    Filed: October 4, 2016
    Publication date: April 6, 2017
    Applicant: SAFRAN LANDING SYSTEMS
    Inventors: Eric EVENOR, Francois-Noel LEYNAERT, Raphael PIERRA
  • Patent number: 9467026
    Abstract: An electromechanical actuator comprising an actuator member and an electric motor (2) adapted to drive the actuator member. The electric motor (2) comprises a rotor portion (4), a stator portion (5) comprising a yoke-forming body (9) and a set of coils received in slots (12) in the body (9), and at least one electrical module (17). The electrical module is adapted to generate an electrical power supply current (Ia) for the electric motor (2), which current flows in the set of coils. The electrical module (17) is carried by the body (9).
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: October 11, 2016
    Assignee: MESSIER-BUGATTI-DOWTY
    Inventors: Florent Nierlich, Etienne Annee, Raphael Pierra
  • Publication number: 20150015127
    Abstract: An electromechanical actuator comprising an actuator member and an electric motor (2) adapted to drive the actuator member. The electric motor (2) comprises a rotor portion (4), a stator portion (5) comprising a yoke-forming body (9) and a set of coils received in slots (12) in the body (9), and at least one electrical module (17). The electrical module is adapted to generate an electrical power supply current (Ia) for the electric motor (2), which current flows in the set of coils. The electrical module (17) is carried by the body (9).
    Type: Application
    Filed: July 11, 2014
    Publication date: January 15, 2015
    Applicant: MESSIER-BUGATTI-DOWTY
    Inventors: Florent NIERLICH, Etienne ANNEE, Raphael PIERRA