Patents by Inventor Mathilde Chouteau

Mathilde Chouteau 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).

  • System for controlling pitch variation of the blades of a propeller, a propeller, and an aircraft
    Patent number: 9284042
    Abstract: A system (10) having a control plate (15) for controlling the pitch of the blades (5) of a propeller, a power block (20), and a directional control valve (30) for feeding said power block (20) with fluid. The power block (20) is sealed and includes at least a body in which at least one piston (22) that is secured to a piston rod (25) projecting from said body (21) is movable in translation, a repeater rod (50) connecting said piston rod (25) to said control plate (15). The control valve (30) is sealed and comprises a stationary manifold (35) and a movable manifold (40) that is movable in rotation, said stationary manifold (35) being controlled by a control lever (31) connected by repeater means (32) to said repeater rod (50). A respective pipe (60) connects each chamber (23, 24) of said power block (20) to said movable manifold (40).
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: March 15, 2016
    Assignee: Airbus Helicopters
    Inventors: Gérard Couderc, Mathilde Chouteau, Romuald Biest
  • SYSTEM FOR CONTROLLING PITCH VARIATION OF THE BLADES OF A PROPELLER, A PROPELLER, AND AN AIRCRAFT
    Publication number: 20130078096
    Abstract: A system (10) having a control plate (15) for controlling the pitch of the blades (5) of a propeller, a power block (20), and a directional control valve (30) for feeding said power block (20) with fluid. The power block (20) is sealed and includes at least a body in which at least one piston (22) that is secured to a piston rod (25) projecting from said body (21) is movable in translation, a repeater rod (50) connecting said piston rod (25) to said control plate (15). The control valve (30) is sealed and comprises a stationary manifold (35) and a movable manifold (40) that is movable in rotation, said stationary manifold (35) being controlled by a control lever (31) connected by repeater means (32) to said repeater rod (50). A respective pipe (60) connects each chamber (23, 24) of said power block (20) to said movable manifold (40).
    Type: Application
    Filed: September 14, 2012
    Publication date: March 28, 2013
    Applicant: EUROCOPTER
    Inventors: Gérard Couderc, Mathilde Chouteau, Romuald Biest