Patents Assigned to Messier
  • Aircraft landing gear
    Patent number: 6948683
    Abstract: An aircraft landing gear includes a leg having a strut receiving a telescopic rod to slide on a sliding axis, the strut being hinged to an aircraft structure and being capable of pivoting about a pivot axis that is highly offset from the sliding axis. The landing gear further includes a connection structure essentially formed by two panels connecting two axially separate points of the strut to a common axis structure extending along the strut pivot axis. In the gear-down position, the panels are one above the other, the top panel being connected to the strut via a high attachment which is rigid in twisting, while the bottom panel is connected to the strut via a low attachment which tolerates twisting, thereby enabling the strut to warp to some extent when the aircraft is turning while taxiing.
    Type: Grant
    Filed: July 27, 2004
    Date of Patent: September 27, 2005
    Assignee: Messier-Dowty SA
    Inventors: Michel Derrien, Benjamin Parzy
  • Electromagnetic brake
    Patent number: 6918470
    Abstract: The invention relates to an electromechanical brake comprising a stack of disks and at least one electromechanical actuator having a pusher for applying pressure to the stack of disks in controlled manner, the brake being equipped with a parking device for maintaining pressure on the disks at least while the brake is not fed with electrical current. In the invention, the parking device comprises a resilient member and a selector which is mounted to move between a first position in which the resilient member is mechanically decoupled from the pusher and is maintained in an elastically deformed state to form a potential energy reserve, and a second position in which the resilient member is mechanically coupled to the pusher so that the pusher exerts pressure on the stack of disks under drive from the resilient member.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: July 19, 2005
    Assignee: Messier - Bugatti
    Inventor: Denis Guaraldo
  • Method of managing the operation of a seat, and a seat implementing the method
    Publication number: 20050088129
    Abstract: The invention relates to a method of managing the operation of a seat (10) fitted with an actuator (24) including means (42, 44) for monitoring at least one variable characteristic of the force produced by the actuator (24), means (41) for measuring the position of the actuator, and means (36) for controlling the actuator, the method comprising the steps consisting in: measuring the or each characteristic variable; evaluating the or each characteristic variable on the basis of a predetermined evaluation criterion; and while the actuator is in operation, implementing an appropriate action on the seat as a function of the result of said evaluation. Said evaluation comprises a step of measuring the position of the actuator. Said evaluation criterion for the or each measured characteristic variable as used for said evaluation depends on the position of the actuator.
    Type: Application
    Filed: October 19, 2004
    Publication date: April 28, 2005
    Applicant: MESSIER-BUGATTI
    Inventor: Jean-Claude Robert
  • Inflatable wheel assembly
    Publication number: 20050081973
    Abstract: A wheel assembly for a vehicle, includes a wheel rim (16) and a tire (18) defining a closed space (30) therebetween which is filled with a pressurized gas. The inventive wheel assembly also includes a pressurized-gas reservoir (40) and elements (50) for selectively connecting the pressurized-gas reservoir (40) to the closed space (30) defined between the wheel rim (16) and the tire (18). The pressurized-gas reservoir (40) is rotationally fixed to the wheel rim (16).
    Type: Application
    Filed: January 9, 2003
    Publication date: April 21, 2005
    Applicant: Messier-Bugatti
    Inventor: Thierry Marin-Martinod
  • Wheel assembly equipped with a tachometer
    Publication number: 20050039531
    Abstract: The equipment for measuring the speed of rotation of a vehicle wheel (14) carried by a wheel axle (12) comprises a tachometer (30) having a stator (32) suitable for being secured to the wheel axle (12), a rotor (34) suitable for being rotated by the wheel (14), and a connector (110) secured to the stator (32) for electrical connection of the tachometer. The connector (110) includes a set of connection terminals (114A). The equipment further comprises an information transmission member (82) carried by the tachometer stator (32) and suitable for co-operating with a complementary information transmission member (74) constrained to rotate with the wheel (14). Said tachometer connector (110) includes additional connection terminals (114B) to which said information transmission member (82) is connected for transmitting said information.
    Type: Application
    Filed: January 20, 2003
    Publication date: February 24, 2005
    Applicant: Messier-Buratti
    Inventor: Jean-Clair Pradier
  • Composite articles
    Patent number: 6858302
    Abstract: A composite structure is formed by depositing a one or more coatings on an open-cell foam skeleton to form a higher-density composite foam. In accordance with one aspect of the invention, the composite foam can be a carbon/carbon composite formed by a rapid densification process. The composite structure is suitable for use, for example, as a friction material employed in clutch and brake devices.
    Type: Grant
    Filed: September 30, 2003
    Date of Patent: February 22, 2005
    Assignee: Messier-Bugatti, Inc.
    Inventor: Raymond C. Loszewski
  • Wheel arrangement having a pressure sensor
    Patent number: 6843114
    Abstract: A wheel arrangement includes a wheel having a sensor for measuring pressure in the tyre; a spindle, about which the wheel is rotatably mounted with the aid of bearings around the spindle, and of communication elements between the sensor and elements for using measures, which are associated with the spindle. Communication elements are adapted to a transmission system with a frequency higher than 50 kHz comprising a rotating antenna which is supported by the wheel and a fixed antenna. The two antennae do not have their own rotational guiding element. The antennae are generally annular and disposed in a concentric manner on the same level around the wheel axis (X-X) of rotation, the average radial distance between the antennae exceeding 2 mm.
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: January 18, 2005
    Assignee: Messier-Bugatti
    Inventors: Jean-Clair Pradier, Antoine Gautier
  • Aircraft landing gear
    Publication number: 20040262452
    Abstract: The invention relates to aircraft landing gear of the type comprising a leg constituted by a strut receiving a telescopic rod to slide on a sliding axis, said strut being hinged to an aircraft structure and being capable of pivoting about a pivot axis that is highly offset from the sliding axis. In accordance with the invention, the landing gear includes a connection structure essentially constituted by two panels connecting two axially separate points of the strut to a common axis structure extending along the strut pivot axis. In the gear-down position, the panels are one above the other, the top panel being connected to the strut via a high attachment which is rigid in twisting, while the bottom panel is connected to the strut via a low attachment which tolerates twisting, thereby enabling the strut to warp to some extent when the aircraft is turning while taxiing.
    Type: Application
    Filed: July 27, 2004
    Publication date: December 30, 2004
    Applicant: MESSIER-DOWTY SA
    Inventors: Michel Derrien, Benjamin Parzy
  • Method of controlling an electromechanical aircraft brake
    Publication number: 20040245053
    Abstract: The invention provides a method of controlling an electromechanical aircraft brake comprising a stack of disks and a ring carrying a plurality of electromechanical actuators each fitted with a pusher that is movable in register with the stack of disks under drive from an associated electric motor so that rotation of the motor in a first direction causes the pusher to be pressed against the stack of disks. According to the invention, the method comprises the step of causing at least one motor to rotate in a second direction opposite to the first direction so as to cause the corresponding pusher to reverse beyond a distance corresponding to normal operating clearance between the pusher and the stack of disks.
    Type: Application
    Filed: May 26, 2004
    Publication date: December 9, 2004
    Applicant: MESSIER-BUGATTI
    Inventors: Philippe Chico, Pierre Girod
  • Latch device, in particular for latching an airplane landing gear or an airplane landing gear hatch
    Patent number: 6811118
    Abstract: A latch device, in particular for latching an airplane landing gear or an airplane landing gear hatch, the device comprising a box containing a set of hinged elements mounted to pivot about respective parallel axes, said assembly including at least one hook and a locking lever connected to said hook by an associated elastically deformable return device, said hook being capable of being unlocked by acting on said locking lever either via first actuator device in a normal mode of operation, or via a second actuator device in an emergency mode of operation when said first actuator device fails to unlock the hook.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: November 2, 2004
    Assignee: Messier-Bugatti
    Inventors: Olivier Collet, Eric Felemez, Pierre-Yves Liegeois, Sébastien Fremiot, Dominique Perathoner
  • Aircraft landing gear with highly offset strut pivot axis
    Patent number: 6805320
    Abstract: An aircraft landing gear includes a leg having a strut receiving a telescopic rod to slide on a sliding axis, the strut being hinged to an aircraft structure and being capable of pivoting about a pivot axis that is highly offset from the sliding axis. The landing gear further includes a connection structure essentially comprising two panels connecting two axially separate points of the strut to a common axis structure extending along the strut pivot axis. In the gear-down position, the panels are one above the other, the top panel being connected to the strut via a high attachment which is rigid in twisting, while the bottom panel is connected to the strut via a low attachment which tolerates twisting, thereby enabling the strut to warp to some extent when the aircraft is turning while taxiing.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: October 19, 2004
    Assignee: Messier-Dowty SA
    Inventors: Michel Derrien, Benjamin Parzy
  • Latch device, in particular for latching an airplane landing gear or an airplane landing gear hatch, and a method of operating said device
    Patent number: 6802476
    Abstract: The invention relates to a latch device, in particular for latching an airplane landing gear or an airplane landing gear hatch, the device comprising a box containing a set of hinged elements mounted to pivot about respective parallel axes, said assembly including at least one hook and a locking lever connected to said hook by associated elastically deformable return means, said hook being capable of being unlocked by acting on said locking lever either via first actuator means in a normal mode of operation, or via a second actuator means in an emergency mode of operation when said first actuator means fails to unlock the hook. In accordance with the invention, the first actuator means associated with the normal mode of operation is a low power electromechanical actuator under independent electrical control.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: October 12, 2004
    Assignee: Messier-Bugatti
    Inventors: Olivier Collet, Eric Felemez, Pierre-Yves Liegeois, Sébastien Fremiot, Dominique Perathoner
  • Aircraft landing gear having an independent low-noise fairing system
    Patent number: 6786451
    Abstract: The invention relates to an aircraft landing gear having a retractable leg, in which the leg comprises a strut with a telescopic rod, the strut being hinged to a structure of the aircraft in order to pivot between a gear-up position and a gear-down position, said strut also being connected to the structure of the aircraft via hinged brace elements. According to an essential aspect of the invention, the landing gear includes an independent low-noise fairing system that serves, when the leg is in the gear-down position, to cover the front of at least a portion of the hinge between the brace elements, said low-noise fairing system comprising a hinged fairing of two complementary portions connected to each other via a hinge whose axis is parallel to the axis of the corresponding hinge portion of said brace elements.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: September 7, 2004
    Assignee: Messier-Dowty SA
    Inventors: Maud Courtois, Dominique Ducos
  • Electromagnetic brake
    Publication number: 20040154880
    Abstract: The invention relates to an electromechanical brake comprising a stack of disks and at least one electromechanical actuator having a pusher for applying pressure to the stack of disks in controlled manner, the brake being equipped with a parking device for maintaining pressure on the disks at least while the brake is not fed with electrical current. In the invention, the parking device comprises a resilient member and a selector which is mounted to move between a first position in which the resilient member is mechanically decoupled from the pusher and is maintained in an elastically deformed state to form a potential energy reserve, and a second position in which the resilient member is mechanically coupled to the pusher so that the pusher exerts pressure on the stack of disks under drive from the resilient member.
    Type: Application
    Filed: January 21, 2004
    Publication date: August 12, 2004
    Applicant: MESSIER-BUGATTI
    Inventor: Denis Guaraldo
  • Hydraulic system architecture for controlling steering
    Patent number: 6769251
    Abstract: The invention relates to an architecture for a hydraulic steering control system including at least one actuator; the hydraulic system comprises a directional-control valve connected to a pressure-generator device and to an associated main supply, the hydraulic system further comprising a reversible electrically-driven pump unit having two ports and being fitted with a general selector arranged, in a normal mode of operation, to put the chambers of the actuator into communication with the directional-control valve, and in an alternate mode of operation to put the chambers of the actuator into communication with the ports of the pump unit. A compensation device makes it possible in the alternate mode to compensate for any flow differential between the flow drawn in by the pump unit from one of the chambers of the actuator and the flow delivered by the pump unit into the other chamber of the actuator.
    Type: Grant
    Filed: February 10, 2003
    Date of Patent: August 3, 2004
    Assignee: Messier-Bugatti
    Inventors: Olivier Collet, Emmanuel Dorget, Claire Patrigeon, Daniel Bucheton
  • Actuator and family of actuators for a seat and method of manufacturing such an actuator
    Patent number: 6771037
    Abstract: The invention relates to an actuator (22) for a seat, of the type comprising, on the one hand, a body (40) and a control element (38) displaceable relative to the body (40), under the control of an actuating motor (36), and, on the other hand, a transducer (42) disposed between the body (40) and the control element (38), said transducer (42) being suitable for providing a raw measurement value representative of the current position of the control element (38) relative to the body (40). It has a unit (46) for correcting said raw measurement value, said correction unit (46) being suitable for implementing a correction algorithm which is specific to said actuator and which is suitable for providing a corrected value for the current position of the actuator on the basis of said raw measurement value. Said correction unit (46) is specific to said actuator and is integrated therein.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: August 3, 2004
    Assignee: Messier-Bugatti
    Inventor: Laurent Nivet
  • Preparation of textile preforms for brake discs in composite material
    Patent number: 6767602
    Abstract: A fiber preform for manufacturing a brake disk out of composite material is itself manufactured by superposing and bonding together fiber layers. Structural fiber layers (10) are used to form at least a first preform portion that is to constitute the fiber reinforcement of the brake disk core, while the or each preform portion that is to constitute the fiber reinforcement of a friction portion of the brake disk is constituted by a felt (16, 18), at least in its portion adjacent to the friction face.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: July 27, 2004
    Assignee: Messier-Bugatti
    Inventors: Renaud Duval, Eric Lherm
  • Faucet
    Patent number: D510125
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: September 27, 2005
    Assignee: Messier Designers Inc.
    Inventors: Patrick Messier, Laurent Descamps
  • Stool
    Patent number: D498937
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: November 30, 2004
    Assignee: Messier Designers Inc.
    Inventors: Patrick Messier, Laurent Descamps
  • Sink
    Patent number: D500125
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: December 21, 2004
    Assignee: Messier Designers Inc.
    Inventors: Patrick Messier, Laurent Descamps