MESSIER-BUGATTI Patent applications |
Patent application number | Title | Published |
20130138317 | METHOD OF MANAGING PARKING BRAKING IN A BRAKING SYSTEM FOR A VEHICLE FITTED WITH ELECTRIC BRAKES - The invention relates to a method of managing parking braking in a braking system for a vehicle fitted with at least one electric brake including at least one electric actuator having a pusher actuated by an electric motor for selectively applying a force against friction elements of the brake, the method comprising the steps of:
| 05-30-2013 |
20110276226 | METHOD OF MANAGING A TURNING MOVEMENT OF AN AIRCRAFT TAXIING ON THE GROUND - The invention relates to a management method for managing a turning movement of an aircraft taxiing on the ground, the aircraft having wheels each fitted with an independent drive device, in which method commands are generated for the independent drive devices so that at least some of those devices contribute to the turning movement. According to the invention, the method comprises the steps of:
| 11-10-2011 |
20110266388 | METHOD OF MANAGING A GROUND CONNECTION OF AN AIRCRAFT - A method of managing a ground connection of an aircraft having landing gear with wheels that are subjected to static loads, some of which wheels are fitted with respective braking devices and others are fitted with respective independent drive devices, the method including the step of causing a modification to a distribution of the static loading to which the wheels of the landing gear are subjected in such a manner as to:
| 11-03-2011 |
20110204705 | DEVICE FOR CONNECTING A TIRE OF AN AIRCRAFT WHEEL TO A PNEUMATIC UNIT OF THE AIRCRAFT - A device for selectively connecting a tire to a pneumatic unit of an aircraft, the tire forming part of a wheel mounted to rotate on a hollow axle of the aircraft, the device comprising a stator and a rotor that is mounted to rotate relative to the stator and that includes means enabling it to be rotated by the wheel. The stator is bell-shaped and is designed to be received as a push-fit in the axle, and includes an end wall carrying a first pneumatic port for connection to the pneumatic unit via a tube running along the inside of the axle, the rotor extending substantially inside the stator. | 08-25-2011 |
20110187180 | HYDRAULIC BRAKING ARCHITECTURE FOR AIRCRAFT HAVING BRAKES WITH HALF-CAVITIES - A hydraulic braking architecture for aircraft comprising a plurality of wheels fitted with brakes, each including two half-cavities, the architecture comprising:
| 08-04-2011 |
20110181219 | ELECTRIC ACTUATOR INCLUDING TWO CURRENT-CONTROLLED VOLTAGE INVERTERS POWERING AN ELECTRIC MACHINE, AND RECONFIGURABLE IN THE PRESENCE OF A DEFECT - The invention relates to an actuator including an electrical machine. The electrical actuator ( | 07-28-2011 |
20110160975 | METHOD OF MANAGING PARKING BRAKING IN A BRAKING SYSTEM FOR A VEHICLE FITTED WITH ELECTRIC BRAKES - The invention relates to a method of managing parking braking in a braking system for a vehicle fitted with at least one electric brake including at least one electric actuator having a pusher actuated by an electric motor for selectively applying a force against friction elements of the brake, the method comprising the steps of:
| 06-30-2011 |
20110156472 | AIRCRAFT WHEEL-AND-BRAKE SET FITTED WITH A ROTARY DRIVE DEVICE - The invention provides an aircraft wheel-and-brake set, the wheel including a rim mounted to rotate on an axle of the aircraft about an axis of rotation, and the brake including a stack of disks extending into the rim in service, and a support carrying brake actuators facing the stack of disks in order to selectively press said disks together, wherein the support carries at least one rotary drive member for driving the wheel in rotation, which drive member is carried in such a manner that it extends outside said wheel. | 06-30-2011 |
20110155521 | ASYMMETRICAL ELECTRIC BRAKING ARCHITECTURE FOR AIRCRAFT - The invention relates to an asymmetrical electric braking architecture for aircraft, comprising a certain number of electro-mechanical brake actuators (EBAs) for selectively applying a braking force on friction elements in order to slow down rotation of braked wheels, said architecture comprising:
| 06-30-2011 |
20110154629 | CIRCULAR NEEDLING TABLE FOR NEEDLING A TEXTILE STRUCTURE MADE FROM AN ANNULAR FIBER PREFORM - A circular needling table for needling a textile structure made from an annular fiber preform, the table including: a horizontal annular platen for having the annular fiber preform placed thereon; drive means for driving the fiber preform in rotation about the axis of the platen; a needling device having a needling head extending over an angular sector of the platen and driven in vertical motion relative to the platen; and guide means for guiding the fiber preform under the needling head. | 06-30-2011 |
20110154628 | CIRCULAR NEEDLING MACHINE FED WITH A FIBER SHEET BY A CONVEYOR AND A VERTICAL CHUTE - A circular needling machine for needling a textile structure formed from a helical fiber sheet, includes a needling table disposed beneath a feed table for feeding a helical fiber sheet for needling. The feed table includes a circular belt conveyor for receiving thereon a helical fiber sheet for needling, the conveyor being centered on a vertical axis and having a radial slot opening out under the circular conveyor to unwind continuously the fiber sheet received on the conveyor, the slot opening out under the conveyor towards a substantially straight chute that extends vertically between the conveyor and a support tray of the needling table centered on the vertical axis of the conveyor so as to take up the sheet unwound from the conveyor and bring it onto the needling table, the support tray having means for driving the fiber sheet in rotation about the vertical axis. | 06-30-2011 |
20110139346 | METHOD OF FABRICATING A FRICTION PART BASED ON C/C COMPOSITE MATERIAL - The carbon-carbon composite material is obtained by densification with a pyrolytic carbon matrix originating from a precursor in gaseous state at least in a main external phase of the matrix, and, at the end of the densification, final heat treatment is performed at a temperature lying in the range 1400° C. to 1800° C. | 06-16-2011 |
20110127828 | METHOD OF MANAGING THE BRAKING OF AN AIRCRAFT, AND A CORRESPONDING BRAKING SYSTEM - The invention relates to a method of managing the braking of an aircraft having landing gear with wheels fitted with friction brakes and with auxiliary brakes that enable energy to be dissipated by means other than friction, the method comprising the steps of:
| 06-02-2011 |
20110110709 | LOCKING DEVICE WITH CATCHES AND A ROTARY LOCKING SLEEVE - The invention provides a locking device for locking together first and second elements that are movable relative to each other in an axial direction, the device comprising firstly a bushing secured to first element and including catches that are cantilevered-out in an axial direction and that are elastically deformable, and secondly an anchor portion secured to the second element and including an annular setback to receive hook-shaped ends of the catches, the device also including a locking sleeve mounted to move relative to the catches between a release position in which the catches are free to flex, and a blocking position in which the catches are prevented from flexing, wherein the locking sleeve is movable in rotation relative to the catches and includes a circumferential succession of gaps and of obstacles, such that:
| 05-12-2011 |
20110100770 | POWER SUPPLY ARCHITECTURE FOR AIRCRAFT BRAKES FITTED WITH ELECTROMECHANICAL ACTUATORS - The invention relates to an architecture for powering aircraft brakes for an aircraft having at least two undercarriages, each having a certain number of wheels (L | 05-05-2011 |
20110100769 | ARCHITECTURE FOR AN ELECTROMECHANICAL BRAKING SYSTEM - The invention relates to an architecture for powering aircraft brakes for an aircraft having at least two undercarriages, each having a certain number of wheels, each of the wheels being fitted with brakes, each having a certain number of electromechanical braking actuators, the architecture including controllers for delivering power signals to the actuators in response to a braking order, the wheels on each of the undercarriages being grouped together in first and second complementary groups such that for each group of wheels, a first group of actuators is controlled by one controller that controls those actuators only, and a complementary second group of actuators is controlled by another controller that controls only those actuators. | 05-05-2011 |
20110084550 | CONTROL NETWORK FOR SINGLE- OR MULTI-MOTOR ACTUATORS, THE NETWORK BEING PARTICULARLY ADAPTED TO AVIATION APPLICATIONS SUCH AS POWERING THE MOTORS OF LANDING-GEAR HOOK UNITS - The invention provides an emergency power network for aircraft, for powering actuator motors ( | 04-14-2011 |
20100332095 | BRAKING SYSTEM ARCHITECTURE FOR AN AIRCRAFT FITTED WITH ELECTROMECHANICAL BRAKES - The invention relates to a braking system architecture for an aircraft fitted with electromechanical brakes including at least one electromechanical actuator. In accordance with the invention, the architecture comprises at least one proximity unit disposed in the proximity of the brakes at the bottom of the undercarriage and including input/output means for collecting and calibrating at least signals coming from sensors associated with the brakes, and for transmitting the signals as processed in this way to control members for controlling the actuators by means of a communications bus running along the undercarriage, the proximity unit further including control means for controlling the blocking members of the actuators. | 12-30-2010 |
20100313689 | MECHANICALLY-OPERATING ACTUATOR WITH HYDRAULIC DAMPING - The invention relates to an actuator comprising a body in which a rod is mounted to slide, the actuator including a screw extending inside the rod to co-operate with a nut secured to the rod, the screw being driven in rotation by a motor. According to the invention, the rod is associated with a piston that slides in a cavity of the body so as to define two chambers therein, the chambers being filled with hydraulic fluid and being put into communication via fluid transfer means fitted with at least one regulator member adapted to throttle the fluid expelled from one of the chambers, in at least one travel direction of the rod. | 12-16-2010 |
20100297360 | METHOD FOR DENSIFICATION OF POROUS ARTICLES - A method of densifying porous substrates, such as brake performs, using a liquid precursor, in which the rate at which “fresh” or “new” liquid precursor is consumed is reduced by maintaining the liquid precursor being used for the densification at a purity level that is less that pure but still chemically suitable for obtaining the desired densification product. | 11-25-2010 |
20100291373 | Part based on C/C composite material, and a method of fabricating it - After making a carbon fiber preform and prior to completing densification of the preform with a carbon matrix, impregnation is performed with a liquid formed of a sol-gel type solution and/or a colloidal suspension enabling one or more zirconium compounds to be dispersed. The impregnation and the subsequent treatment, up to obtaining the final part, are performed in such a manner as to have, in the final part, grains or crystallites of one or more zirconium compounds presenting a fraction by weight lying in the range 1% to 10% and of composition having at least a majority of the ZrO | 11-18-2010 |
20100276535 | METHOD OF TAXIING AN AIRCRAFT - The invention provides a method of taxiing an aircraft having at least one nose undercarriage at the front of the aircraft and main undercarriages, each undercarriage having wheels, the method comprising the steps of:
| 11-04-2010 |
20100272923 | APPARATUS AND METHOD OF DENSIFYING POROUS ARTICLES - A method and apparatus are disclosed for improving densification of porous substrate using a film boiling process. In particular, the disclosed method and apparatus permit more complete densification of a substrate (i.e., densification closer to the surface of the substrate) by selectively providing a sort of barrier that reduces cooling of the surface of the substrate being densified caused by contact with the relatively cool boiling liquid precursor of the densifying material, such as carbon. In particular, contact between the substrate and the liquid precursor is reduced using one or both of physical barriers (such as a mesh material) or structures that promote the formation of an insulating gaseous layer between the substrate and the liquid precursor (such as a plate closely spaced apart from the surface of the porous substrate). The barrier is moved into operational position before the applied power level increases sharply (as is known) near the end of the film boiling densification process. | 10-28-2010 |
20100230402 | APPARATUS FOR POROUS MATERIAL DENSIFICATION - The present invention relates to an inductive heating apparatus, particularly using a liquid deposition precursor, for densifying porous articles. The inductive heating apparatus using induction coils that are made from machined or milled flat metal plates, such as copper plate, instead of bending a member (especially a hollow member) into a coil shape. The induction coils according to the present invention can be more precisely and more consistently fabricated than conventional bending techniques. | 09-16-2010 |
20100185376 | METHOD OF CONTROLLING A VEHICLE BRAKE WITH ADAPTIVE TORQUE CORRECTION - 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:
| 07-22-2010 |
20100181954 | METHOD OF MANAGING THE STEERING CONTROL OF AN AIRCRAFT UNDERCARRIAGE - The invention relates to a method of managing a steering control for a steerable portion of an aircraft undercarriage, the method comprising implementing servo-control to servo-control an electromechanical steering actuator on an angular position setpoint, wherein, according to the invention, the servo-control implements a control relationship H∞ type, the position and speed information being delivered by means of a fieldbus of deterministic type to a computer that implements the servo-control. | 07-22-2010 |
20100156174 | POWER DISTRIBUTION ARCHITECTURE FOR DISTRIBUTING POWER TO ELECTROMECHANICAL ACTUATORS OF AN AIRCRAFT - The invention relates to a power distribution architecture for an aircraft for powering aircraft electromechanical actuators, the architecture comprising at least one power distribution member for distributing power to such and such an electromechanical actuator connected to the architecture, the architecture receiving power from at least one power supply bus of the aircraft. According to the invention, a DC network of voltage that is variable in controlled manner is interposed between the power supply bus of the aircraft and the power distribution members. | 06-24-2010 |
20100156173 | POWER DISTRIBUTION ARCHITECTURE FOR DISTRIBUTING POWER TO ELECTROMECHANICAL ACTUATORS OF AN AIRCRAFT - The invention relates to a power distribution architecture for an aircraft for powering aircraft electromechanical actuators, the architecture comprising at least one power distribution member for distributing power to such and such an electromechanical actuator connected to the architecture, the architecture receiving power from at least one power supply bus of the aircraft. According to the invention, a DC network of voltage that is variable in controlled manner is interposed between the power supply bus of the aircraft and the power distribution members. | 06-24-2010 |
20100156005 | POWER CONTROL FOR DENSIFICATION OF ONE OR MORE POROUS ARTICLES - A method of controlling power applied to an induction coil assembly used for densifying porous articles with a liquid matrix precursor. The control of applied power addresses dynamic changes in the electrical characteristics of the porous article being densified as it becomes denser. In particular, the power applied is controlled in accordance with changes in resonant frequency of the coupled system of the induction heating system and the porous article. | 06-24-2010 |
20100122922 | CONTAINER FOR RECEIVING A STACK OF BRAKE DISKS, IN PARTICULAR AIRCRAFT BRAKE DISKS - The invention relates to a container for receiving different types of heat pack, the container comprising a base carrying a central support suitable for receiving equally well one or another of the heat packs, wherein the support includes at least a plurality of respective seats that are staggered so that each receives one of the heat packs, each seat being adapted to co-operate with at least an annular surface portion of the corresponding heat pack. | 05-20-2010 |
20100122921 | STABILIZER FOR STABILIZING THE DISKS OF A HEAT PACK, IN PARTICULAR WHEN THE HEAT PACK IS PACKAGED IN A CONTAINER - The invention relates to a stabilizer suitable for stabilizing disks of a heat pack, wherein the stabilizer includes at least two elongate parallel pushers of height compatible with the height of the heat pack, each movable in a direction perpendicular to the pushers, the pushers being associated with an irreversible driver system enabling the pushers to be moved apart or towards each other, the pushers extending in service so as to face an inside diameter of the disks. | 05-20-2010 |
20100109423 | WHEEL BAR AND A WHEEL SPECIALLY ADAPTED THEREFOR - The invention relates to a bar for an aircraft wheel, the bar comprising an oblong body ( | 05-06-2010 |
20100071490 | TELESCOPIC ACTUATOR WITH A MAIN ROD AND AN AUXILIARY ROD - The present invention relates to a telescopic actuator comprising a cylinder | 03-25-2010 |
20100015332 | METHOD OF FABRICATING A FRICTION PART OUT OF CARBON/CARBON COMPOSITE MATERIAL - A method of fabricating a friction part out of carbon/carbon composite material, the method including obtaining a three-dimensional fiber preform of carbon fibers impregnated with a solution or a suspension enabling a dispersion of refractory metal oxide particles to be left on the fibers of the preform; applying heat treatment to form a metallic carbide by a carboreduction reaction of the refractory oxide with the carbon of the fibers; continuing the heat treatment until the carbide is transformed into carbon by eliminating of the metal; and then densifying the preform with a carbon matrix by chemical vapor infiltration. | 01-21-2010 |
20090302550 | METHOD OF SURFACE TREATING A MECHANICAL PART MADE OF HIGH-STRENGTH STEEL, AND A SEALING SYSTEM OBTAINED BY IMPLEMENTING SAID METHOD - The invention relates to a method of treating the surface of a mechanical part made of high-strength steel, the method seeking to confer on said part friction and lubrication properties that are needed for its use. | 12-10-2009 |
20090289147 | METHOD OF COLLECTING INFORMATION RELATING TO A MOVABLE AIRFOIL SURFACE OF AN AIRCRAFT - The invention relates to a method of collecting information relating to a movable airfoil surface ( | 11-26-2009 |
20090277730 | ACTUATOR FOR AN ELECTROMECHANICAL BRAKE, A BRAKE INCLUDING SUCH AN ACTUATOR, A VEHICLE INCLUDING AT LEAST ONE SUCH BRAKE, AND A METHOD OF IMPLEMENTING SAID ACTUATOR - The invention relates to an actuator for an electromechanical brake, the actuator comprising a pusher and a first drive member arranged to move the pusher in register with a stack of disks and to apply a braking pressure to the stack of disks, the actuator including a second drive member comprising a piezoelectric assembly suitable for modulating the braking pressure applied to the stack of disks. According to the invention, the piezoelectric assembly is disposed inside the actuator so as to present an end that is stationary. | 11-12-2009 |
20090260462 | ACTUATOR WITH A MAIN ROD AND AN AUXILIARY ROD - The invention relates to a telescopic actuator comprising a cylinder ( | 10-22-2009 |
20090230047 | CARTRIDGE FILTER FOR AIRCRAFT - The invention relates to a filter device comprising a hydraulic block ( | 09-17-2009 |
20090230046 | AIRCRAFT FILTER DEVICE WITH A MEMBER FOR KEYING AND DRIVING THE CARTRIDGE - The invention relates to an aircraft filter device comprising a hydraulic block adapted to receive removably a filter ( | 09-17-2009 |
20090216417 | METHOD OF CONTROLLING A VEHICLE BRAKE WITH COMPENSATION FOR EXPANSION - The invention relates to a method of controlling an electromechanical brake for a vehicle wheel, the brake including an actuator provided with a pusher that is actuated by an electric motor and that is adapted to exert a braking force selectively on friction elements in response to an actuation setpoint, the method comprising the following steps: | 08-27-2009 |
20090210126 | METHOD OF DISTRIBUTING BRAKING BETWEEN THE BRAKES OF AN AIRCRAFT - A method of distribution braking between the brakes of an aircraft. The method includes a first step of estimating a braking force objective and a steering torque objective to be achieved by the brakes of the aircraft. It also includes the steps of defining at least two groups of brakes ( | 08-20-2009 |
20090206654 | METHOD OF MANAGING THE POWER SUPPLY TO A NON-REVERSIBLE ACTUATOR FOR A VEHICLE WHEEL BRAKE - The invention relates to a wheel brake for a vehicle, in particular for an aircraft, the brake comprising a support ( | 08-20-2009 |
20090152394 | METHOD OF FEEDING ENERGY TO ACTUATORS ASSOCIATED WITH AN AIRCRAFT UNDERCARRIAGE - The invention relates to a method of feeding energy to actuators associated with the undercarriages forming the landing gear of an aircraft, the aircraft comprising:
| 06-18-2009 |
20090139808 | Method of fabricating carbon fiber reinforced composite material parts - A coherent fiber preform made of carbon fibers presents holes formed from at least a first face of the preform, and the preform is densified by depositing therein a material constituting a matrix by means of a chemical vapor infiltration type process. The holes are formed by causing a plurality of non-rotary elongate tools to penetrate simultaneously, the tools being substantially mutually parallel and presenting on their surfaces roughnesses or portions in relief suitable for breaking and/or transferring fibers they encounter, the tools being caused to penetrate simultaneously by moving a support carrying the tools, and the tools being selected to have a cross-section that makes it possible to obtain in the carbon fiber preform holes that present a cross-section with a mean dimension lying in the range 50 μm to 500 μm. | 06-04-2009 |
20090101261 | DEVICE FOR CONNECTING A TIRE OF AN AIRCRAFT WHEEL TO A PNEUMATIC UNIT OF THE AIRCRAFT - The invention relates to a device for selectively connecting a tire to a pneumatic unit of an aircraft, the tire forming part of a wheel mounted to rotate on a hollow axle of the aircraft, the device comprising a stator and a rotor that is mounted to rotate relative to the stator and that includes means enabling it to be rotated by the wheel. According to the invention, the stator is bell-shaped and is designed to be received as a push-fit in the axle, and includes an end wall carrying a first pneumatic port for connection to the pneumatic unit via a tube running along the inside of the axle, the rotor extending substantially inside the stator. | 04-23-2009 |
20090087588 | EDGE DENSIFICATION FOR FILM BOILING PROCESS - A method and apparatus are disclosed for improving densification of porous substrate using a film boiling process. In particular, the disclosed method and apparatus permit more complete densification of a substrate (i.e., densification closer to the surface of the substrate) by providing a sort of barrier that reduces cooling of the surface of the substrate being densified caused by contact with the relatively cool boiling liquid precursor of the densifying material, such as carbon. In particular, contact between the substrate and the liquid precursor is reduced using one or both of physical barriers (such as a mesh material) or structures that promote the formation of an insulating gaseous layer between the substrate and the liquid precursor (such as a plate closely spaced apart from the surface of the porous substrate). | 04-02-2009 |
20090053413 | Method of Densifying Porous Articles - The present invention describes a method of CVI densification in which particular arrangements and mixtures of undensified porous substrates and partially densified porous substrates are arranged in particular ways in order to use the thermal characteristics of the partially densified porous substrates to better distribute heat throughout a CVI furnace and thereby improve densification. | 02-26-2009 |
20090024290 | METHOD OF CONTROLLING A VEHICLE BRAKE WITH TORQUE CORRECTION - 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:
| 01-22-2009 |
20080303727 | UNDERCARRIAGE FITTED WITH A COMMUNICATION DEVICE BETWEEN A WHEEL AND THE UNDERCARRIAGE - The invention relates to an aircraft undercarriage including at least one axle having at least one wheel mounted to rotate thereon, the undercarriage including a communication device for connecting a sensor mounted on a rim of the wheel to stationary processing means mounted on the aircraft, the communication device comprising a rotary antenna mounted on the wheel rim to rotate therewith and connected to the sensor, and a stationary antenna facing said rotary antenna so that the antennae are in electromagnetic relation, said stationary antenna being connected to the processing means, wherein the stationary antenna and the rotary antenna extend on the inner side of the wheel facing the undercarriage. | 12-11-2008 |
20080303726 | UNDERCARRIAGE FITTED WITH A COMMUNICATION DEVICE BETWEEN A WHEEL AND THE UNDERCARRIAGE - The invention relates to an aircraft undercarriage including at least one axle having at least one wheel mounted to rotate thereon, the undercarriage including a communication device for connecting a sensor mounted on a rim of the wheel to stationary processor means mounted on the aircraft. According to the invention, the communication device comprises firstly an antenna secured to the sensor and thus rotating together with the wheel, and secondly a stationary antenna extending at the end of the axle and connected to the processor means, the two antennas being in radio communication through a cover of non-conductive material secured to the wheel and covering the end of the axle. | 12-11-2008 |
20080302614 | Aircraft brake particularly adapted for mounting on a conical axle - The invention relates to an aircraft brake for braking a wheel received on an axle presenting in succession a large-diameter cylindrical upstream portion, a conical portion, and a smaller-diameter cylindrical downstream portion suitable for receiving the wheel, the brake comprising:
| 12-11-2008 |
20080302613 | Wheel-and-brake assembly for aircraft - The invention relates to a wheel-and-brake assembly for an aircraft, the assembly comprising:
| 12-11-2008 |
20080203217 | METHOD FOR MANAGING THE WHEEL STEERING CONTROL OF AN AIRCRAFT - The invention relates to a method for managing a steering control of an aircraft landing gear provided with at least one wheel steerable by the steering control, comprising the following steps:
| 08-28-2008 |
20080201025 | Method of Distributing Braking Within at Least One Group of Brakes of an Aircraft - The invention provides a method of managing the braking of an aircraft having a plurality of brakes comprising friction elements, the method comprising the following steps for at least one group ( | 08-21-2008 |