| Patent Number |
Title Of Patent |
Date Issued |
| 7473077 |
System for monitoring damage to a rotor blade of a rotary-wing aircraft |
January 6, 2009 |
| A rotary-wing aircraft rotor blade (23) includes (semi)conductive loops (10) extending along axes (19A to 19C, 19W to 19Z) that are oblique relative to the longitudinal axis (26) of the blade. Impedance changes in the loops are sensed that indicate a location of damage to the blade. |
| 7472864 |
Device for filtering vibration between two parts, and applications thereof |
January 6, 2009 |
| A device for filtering vibration between two parts (2 and 3), includes: at least a first resilient plate (4) connected to the parts (2 and 3) at two respective fastener points at two respective points (2A and 3A), the first plate (4) being locally deformable under the action of vibration |
| 7471057 |
Servo-control system for an unbalanced rotor vibrator |
December 30, 2008 |
| The invention applies to a vibrator comprising two pairs (A, B) of unbalanced rotors (10 to 13) driven in synchronous rotation by a first motor, and a second motor arranged to drive a phase shifter mechanism so as to adjust a phase difference between the first pair of rotors and the |
| 7462015 |
Rotocraft rotor with hinged blades and lockable retractable flapping abutments |
December 9, 2008 |
| A rotorcraft rotor with hinged blades, includes: a hub; a plurality of blades hinged to flap relative to the hub; bottom abutments of the hub, and bottom abutments of the blades suitable for co-operating with the bottom abutments of the hub; and top abutments of the hub, and top abut |
| 7461819 |
Method for using a steerable tall fin to reduce the vibration generated on the fuselage of a hel |
December 9, 2008 |
| A method and a device reduces the vibration generated on the structure 17 of a helicopter 2 by the flow of air through the main rotor 5 and by the flow of air along the fuselage 3. The device 1 includes: at least one sensor 18, 19, 20 measuring the vibration generated on the structure 17 |
| 7461815 |
Suspension system for a rotary wing aircraft engine |
December 9, 2008 |
| The invention relates to a system for suspending an engine of a rotary wing aircraft. The technical field of the invention is that of manufacturing suspension devices for helicopter engines. The invention consists in a device for suspending an engine (21) to a rotary aircraft airfram |
| 7461729 |
Device for supporting an aircraft battery |
December 9, 2008 |
| A device is provided for suspending a battery (20) of an aircraft, the device including at least one spring (41, 54); the device further includes an adjustment element enabling the stiffness of the spring to be adjusted. |
| 7461548 |
Method and a device for measuring the speed of an aircraft, in particular a rotorcraft at low sp |
December 9, 2008 |
| A method and a device for obtaining the three components (u,v,w) of the air speed (TA) of an aircraft along its flight path, the device including an arm (2) provided with two pressure probes disposed at each of its ends, each probe having two pressure intakes. |
| 7454830 |
Apparatus with twisting tool having cavities and associated retaining parts for manufacturing el |
November 25, 2008 |
| The present invention relates to apparatus for manufacturing a harness of electrically conductive wire segments, the apparatus comprising a twisting tool (20) having at least two cavities (31 to 38), each cavity being associated with retaining means (43, 44) enabling at least a porti |
| 7451949 |
Method for using a tiltable stabilizer to reduce vibration generated on the fuselage of a helico |
November 18, 2008 |
| A method and a device allow for reducing the vibration generated on the structure 17 of a helicopter 2 by the air flow through the main rotor 5 and by the air flow along the fuselage 3. The device 1 includes: at least one sensor 18, 19, 20 measuring the vibration generated on the structu |
| 7440857 |
Method and a system for detecting and locating an adjustment error or a defect of a rotorcraft r |
October 21, 2008 |
| The invention relates to a method of detecting and identifying a defect or an adjustment error of a rotorcraft rotor using an artificial neural network (ANN), the rotor having a plurality of blades and a plurality of adjustment members associated with each blade; the network (ANN) is a |
| 7430483 |
Method and apparatus for diagnosing a mechanism |
September 30, 2008 |
| A method of analyzing variations in an indicator of the behavior of a mechanism, in which noise is extracted, and any discontinuities from an indicator in order to obtain a trend, variations in the trend are compared with one or more reference values; and a fault of the mechanism is |
| 7429019 |
Auxiliary nose undercarriage, a force-transmission structure, and a rotary wing aircraft |
September 30, 2008 |
| A steerable auxiliary nose undercarriage (2) for a rotary wing aircraft (1); the undercarriage (2) being retractable substantially rearwards. In the undercarriage (2), an oscillating system (13) presents a elevation stroke (58) about its hinged front end (52) that is greater than a shock |
| 7428916 |
Method and apparatus for manufacturing electrical harnesses |
September 30, 2008 |
| The present invention relates to apparatus for manufacturing a harness of segments of electrically conductive wire, the harness including a connector and the apparatus including a harness support that is elongate along an axis; the apparatus further includes a connector support (100) |
| 7427046 |
Optimized method of controlling yaw for rotary-wing aircraft, and a system for implementing it |
September 23, 2008 |
| A method of the invention for controlling the pitch of the blades of a tail rotor of a rotary-wing aircraft includes the following operations: a) generating a main control for the pitch of the blades of the tail rotor as a function of a control member for controlling the pitch of the |
| 7418888 |
Transmission mechanism between accessories and engine members for driving the rotor of a rotorcr |
September 2, 2008 |
| A transmission mechanism between at least one accessory and engine members for driving the rotor of a rotorcraft, the transmission therebetween being selectively either in isolation or in combination. An intermediate shaft is interposed between a main drive shaft for the rotor and a |
| 7413140 |
Rotary wing aircraft with undercarriage structure |
August 19, 2008 |
| A rotary wing aircraft (1) such as a helicopter comprises a force-transmission structure (5) for transmitting forces, in particular those coming from an undercarriage (2), and that, in longitudinal elevation view, presents an L-shape in which the arrangement (6, 19-21) forms a transv |
| 7407134 |
Auxiliary nose undercarriage, a force-transmission structure, and a rotary wing aircraft |
August 5, 2008 |
| A steerable auxiliary nose undercarriage (2) for a rotary wing aircraft (1); the undercarriage (2) being retractable substantially rearwards. In the undercarriage (2), an oscillating system (13) presents a elevation stroke (58) about its hinged front end (52) that is greater than a shock |
| 7397548 |
Method of detecting suspended filamentary objects by telemetry |
July 8, 2008 |
| A method of detecting the presence of a suspended filamentary object in view of a telemeter on an aircraft includes: i) calculating terrestrial coordinates of points corresponding to telemeter echoes, and selecting candidates; ii) searching a horizontal plane for straight line segments |
| 7391220 |
Method and device for detecting defects of electromagnetic protection for electric harnesses |
June 24, 2008 |
| A method and device for detecting defects of an electromagnetic protection for an electric harness (H). The device (D) includes elements (M1) for generating stimulating electric signals, elements (M2) for bringing the signals up to a predetermined power level, elements (M3) for applying |
| 7374445 |
Shielded electrical harness with an angled connector, and its method of fabrication |
May 20, 2008 |
| A bundle includes wire segments forming a branch fitted with an angled coupling including: a base having the ends of the wire segments fastened thereto; an angled rigid casing surrounding the wire segments and having a first end providing for bearing against the base; and a member |
| 7368158 |
Elastomeric member provided with monitoring means |
May 6, 2008 |
| The present invention relates to problems of maintenance of elastomeric members. According to the invention, the elastomeric member is provided with at least one elastomeric layer 1 disposed between two rigid strength members 2. In addition, the elastomeric member is provided with gr |
| 7367526 |
Device and system for assistance within interception by an aircraft of a flight path segment |
May 6, 2008 |
| Device assisting with interception by an aircraft of a flight path segment located in a horizontal plane and a system of assistance with interception and follow-up of such a segment.The device includes means of determining a ground speed vector and means of displaying to present, on |
| 7363120 |
Method of adjusting at least one defective rotor of a rotorcraft |
April 22, 2008 |
| The present invention relates to a method of adjusting at least one defective, main or anti-torque rotor of a particular rotorcraft. The method uses a neural network representing the relationships between firstly accelerations representative of vibration generated on at least a porti |
| 7360994 |
Method of controlling vibration damping in a helicopter, and apparatus implementing the method |
April 22, 2008 |
| The present invention relates to a method of controlling a drag damper for a helicopter blade under all operating configurations of the helicopter, the method consisting in: a) measuring the elongation of the damper; b) amplifying the measured signal and filtering out noise; c) isolati |
| 7350106 |
Device for aiding the locating of failure of a complex system |
March 25, 2008 |
| A device for aiding the location of a failure within a complex system may include a database that stores diagnostic aid rules; a detector that detects a failure, if any, of the complex system and provides, upon a failure, information relating to the origin of this failure; and a cent |
| 7347799 |
Antivibration device having rotary flyweights and an epicyclic geartrain |
March 25, 2008 |
| An antivibration device for reducing the vibration of a structure, includes a stationary casing, mounted on the structure, and first and second sets each including two contra-rotary rotors having eccentric flyweights, the flyweights and the rotors being disposed respectively in first |
| 7346437 |
Secure interactive 3d navigation method and device |
March 18, 2008 |
| A safe interactive navigation apparatus and method allows the crew of an aircraft to prepare and follow a safe flight plan without relying on instrument flying infrastructure. An aircraft navigation assistance method calculates a continuous, three-dimensional projected path on board |
| 7331794 |
Reconfigurable interconnection device for electrical bundles |
February 19, 2008 |
| A device (20) for interconnecting electrical bundles, includes a plurality of pluggable connection and cross-connect cards (34 to 38) for the electrical bundles. The device further includes a "main" printed circuit (28, 28b) fitted with connectors or slots (29 to 33) designed and arr |
| 7331765 |
Two-sweep rotary wing blade with limited taper ratio |
February 19, 2008 |
| A rotary wing blade of limited taper ratio, comprising in succession along a reference radius: an inner zone; a forward-swept zone; and a back-swept zone. In addition, the beginning of the forward-swept zone lies in the range 0.47 to 0.65 times the reference radius R of the rotary wing. |
| 7331235 |
Device for indicating a beat level |
February 19, 2008 |
| A device for indicating a beat level L, the device including an analyzer which responds to a reference frequency .OMEGA. and a harmonic coefficient B to extract from an evaluation signal E a first acceleration signal .gamma..sub.B at a frequency equal to the product of reference freq |
| 7312399 |
Device for fastening elongate elements to a structure |
December 25, 2007 |
| A device (1) for fastening elongate elements (2) such as cables or bundles of cables or the like to a structure (S) includes at least a first flexible self-gripping strip (3) having a loop-closure system on a first face (30) and a second flexible selfgripping strip (4) with a hookclosure |
| 7311745 |
Device for heating and/or demisting a vehicle |
December 25, 2007 |
| A heater and/or demister device D for installing in a heater and/or demister circuit of a vehicle. The device D is provided with a fan 7 for producing a flow of warm air from a flow of ambient air and a flow of compressed hot air taken from an engine of the vehicle. The device compri |
| 7311030 |
Method of optimizing braiding control parameters for a sheath for shielding a bundle of electric |
December 25, 2007 |
| The present invention relates to a method of optimizing setting parameters for braiding a shielding sheath using spindles carrying coils of wires on a braiding machine, the sheath being braided onto a bundle of electrical conductors, and the invention also relates to such a bundle. Accor |
| 7270520 |
Fairing for the rotor of a rotorscraft |
September 18, 2007 |
| A fairing C is arranged on a rotor 9 of a rotorcraft having a cap 5 secured to the end 10 of the head of the rotor 9. The fairing C further comprises at least one air deflector member D provided with a ring 6 and spacers 4, the spacers 4 enabling the ring 6 to be secured to the cap 5. |
| 7266877 |
Tooling for manufacturing large-section rigid harnesses |
September 11, 2007 |
| The invention relates to tooling for preparing a large-section harness comprising at least one cable. The tooling includes an output module (19) for receiving the terminal end of the cable. The output module (19) comprises three tools mounted on an output body (20) that is movable on a |
| 7237747 |
Device for assisting an airplane in intercepting a segment of a flight path utilizing positional |
July 3, 2007 |
| Device assisting with interception by an aircraft of a flight path segment located in a horizontal plane and a system of assistance with interception and follow-up of such a segment. The device includes means of determining a ground speed vector and means of displaying to present, on |
| 7225062 |
Device for indicating the vibration level of a vehicle |
May 29, 2007 |
| A device for indicating at least a first vibration level VIB1 derived from a first acceleration signal .gamma.1 includes: first analysis element FT1 for resolving the first acceleration signal .gamma.1 into a plurality of axial analysis signals .gamma.1.sub.i each occupying an identifi |
| 7223071 |
Device for providing assistance to the pilot of a rotorcraft in the event of engine failure |
May 29, 2007 |
| The present invention provides a device enabling the collective pitch of the blades of the main rotor of a single-engined rotorcraft to be reduced automatically in the event of an engine failure. The device comprises an actuator which increases the collective pitch of the blades above a |
| 7192213 |
Coupling flange system for hollow shaft |
March 20, 2007 |
| The system is of a type including a flange (5) and a set of conical internal rings (9) and external rings (8) combined to link by friction the flange to the shaft through the relative axial movement of the rings. Advantageously, the flange includes a rigid housing (7) with a cylindri |
| 7188802 |
Convertible aircraft provided with two tilt fans on either side of the fuselage, and with a non- |
March 13, 2007 |
| The present invention relates to a convertible aircraft provided with first and second tilt fans disposed on either side of the fuselage a little forward of the center of gravity of the convertible aircraft. In addition, the convertible aircraft includes, in remarkable manner, a non- |
| 7149646 |
Pilot indicator for predicting changes in the speed of rotation of the main rotor of a rotorcraf |
December 12, 2006 |
| The present invention relates to a pilot indicator for a rotorcraft provided with a main rotor and at least one gas turbine engine. The indicator has first and second sensors delivering information relating respectively to a first speed of rotation Nr corresponding to said main rotor |
| 7143003 |
Pilot indicator for predicting changes in the monitoring parameters of a gas turbine engine |
November 28, 2006 |
| A pilot indicator is provided for an aircraft provided with at least one gas turbine engine. The indicator includes a set of sensors delivering information relating to different monitoring parameters of the engine, namely: the speed of rotation Ng of the gas generator, the temperature T4 |
| 7137786 |
Tilting transmission gearbox comprising a pivoting connection with plain bearings |
November 21, 2006 |
| A transmission gearbox (1) has a casing (2) that tilts around a tilting axis (B--B) via two bearings (19). Each of the bearings includes: a fixed part (20) having a sleeve (20a); and a trunnion (21a) which belongs to a pivoting part (21) and which pivots around the sleeve, the pivoting p |
| 7137590 |
Lubricating installation for rocking power transmission box |
November 21, 2006 |
| An installation includes at least a pressurized lubricating circuit for elements housed in the rocking crankcase, each circuit including a radial transfer bearing between two opposite cylindrical journals coaxial about the rocking axis, one fixed journal on a fixed part and one pivoting |
| 7134627 |
Device for lashing down rotorcraft blades |
November 14, 2006 |
| The present invention relates to a device for lashing down a rotorcraft wing, said wing being provided with at least first and second adjacent blades P and P', the ends of said blades being provides with respective endpieces. In addition, the device comprises a main cord CP having a |
| 7104372 |
Damping structure and applications |
September 12, 2006 |
| A damping structure includes a member defining an internal cavity; an aggregate which includes at least solid bodies in contact and which completely fills the internal cavity; a rigid plate for closing off the internal cavity; and an elastic element which exerts elastic pressure on t |
| 7085655 |
Method and device for detecting defects of at least one rotary wing aircraft rotor |
August 1, 2006 |
| A method and apparatus for detecting the defects of at least one rotor of a rotary wing aircraft, in particular a helicopter, in order to adjust the rotor. In the method, in a preliminary step, a reference aircraft is used corresponding to a particular type of aircraft and having a rotor |
| 7078658 |
Heater mat made of electrically-conductive fibers |
July 18, 2006 |
| A heater mat for using the Joule effect to heat an aerodynamic surface. The heater mat is provided with a resistor element including at least two substantially parallel segments of electrically-conductive fibers disposed on the aerodynamic surface. The segments come from a single str |
| 7064302 |
Electrical connection for a resistor element made of electrically-conductive fibers |
June 20, 2006 |
| A connection endpiece placed on a resistor element provided with at least one layer of electrically-conductive fibers, the endpiece serving to connect a power supply wire electrically to the resistor element. The endpiece includes at least one metal plate having a top face for connec |
