| Patent Number |
Title Of Patent |
Date Issued |
| 6431490 |
Process for depositing by winding on a support several rovings simultaneously of pre-impregnated |
August 13, 2002 |
| A process and apparatus for depositing simultaneously by winding on a support, several rovings of pre-impregnated fibers. The rovings are deposited simultaneously by winding on a rotating support. At least two rovings are brought into superposition near where they will be applied to |
| 6198461 |
Elastically deformable antenna reflector for a spacecraft, and spacecraft including such a refle |
March 6, 2001 |
| An antenna reflector for a spacecraft includes a radial slot which facilitates stowage of the reflector in the spacecraft. When the reflector is in a folded position, opposing edges of the radial slot overlap in such a way that the reflector assumes an at least approximately conical shap |
| 6182928 |
Method for placing an artificial satellite on a geostationary orbit |
February 6, 2001 |
| The invention concerns a method for placing an artificial satellite on a geostationary orbit injected on said orbit by a launch vehicle. The method is characterised in that the assembly consisting of the last stage (L) of said launch vehicle and satellite (S) be injected on the geostatio |
| 6131855 |
Device for removing hot air for a jet engine air inlet cowl with a de-icing circuit |
October 17, 2000 |
| The present invention relates to an air inlet cowl (9) for a jet engine. According to the invention, provided in the partition (20) delimiting the de-icing chamber (21) in the hollow leading edge (16) of the cowl is a trough-shaped duct (22) for ejecting to the outside pressurized hot ai |
| 6116019 |
Sealing system for an air intake opening of a ram jet combustion chamber |
September 12, 2000 |
| The present invention relates to a shut-off system for an orifice for introducing combustion air into a ramjet with a consumable auxiliary motor (14).According to the invention, this shut-off system comprises:an elastic system (28, 29, 31, 32) connected to the shut-off flap (20A, 20B); a |
| 6104408 |
Process and device for determining the contour of valleys of a specified geographical area and a |
August 15, 2000 |
| The present invention relates to a process and to a device for determining the contour of valleys of a specified geographical area. According to the invention, said device comprises:means for determining the hydrographic net of the geographical area which is presented in a first matrix w |
| 6088632 |
Engine control system for an aircraft |
July 11, 2000 |
| An engine control system for a first aircraft belonging to a family of aircraft which includes at least a second aircraft, the first aircraft having a maximum mass which is greater, within a predetermined limit, than that of the second aircraft. For an engine of the first aircraft, a fir |
| 5951808 |
Method for producing high dimensional precision composite elements using ionization polymerizati |
September 14, 1999 |
| A method for producing a high dimensional precision composite element using ionization polymerization and an element made by such method. The element includes a support panel flanked on at least one side with a skin fixed by an adhesive resin and including at least one lap of organic or |
| 5853260 |
Rotation center type joint and assemblies using it |
December 29, 1998 |
| A rotation center type joint has a one-piece body with an inner part, an outer part and a plurality of elastically deformable transverse arms inclined relative to the axis of the body, linking the inner and outer parts and converging towards the rotation center. |
| 5829253 |
Single actuation pushing device driven by a material with form memory |
November 3, 1998 |
| To command notably the unclamping and the separation of two components, on a spacecraft, such as a satellite or a probe, a single actuation pushing device (10) is driven by a form memory device (36) positioned in a casing (12), between a wall (18) of the latter and a boss (24). It is lin |
| 5827993 |
Pyrotechnic ignition device for a gas generator |
October 27, 1998 |
| A pyrotechnic ignition device for a gas generator (G), in which: (i) at least in the vicinity of the primary charge (CP), the transmission line (L) is at least substantially perpendicular to the longitudinal axis (X--X) of the outer case (E) of the generator (G); (ii) the end of the |
| 5776383 |
Method for producing shaped parts made of a graphitized carbon/carbon composite material |
July 7, 1998 |
| Method for producing a shaped part made of a graphitized carbon/carbon composite material in which a compound of carbon fibers is prepared impregnated with a solution of carbon precursors and then cut into sections placed in a mould subjected to a carbonization stage by means of hot |
| 5770053 |
Hydraulic equipment draining means |
June 23, 1998 |
| A draining apparatus drains and dries hydraulic equipment such as aircraft circuits. The draining equipment includes a reservoir connected to the equipment by a suction line. (Venturi 20) which produces a vacuum in the reservoir responsive to compressed air injected by a line from an ext |
| 5734516 |
Device for accurately positioning the vertex of the secondary mirror off-centered with respect t |
March 31, 1998 |
| A device for accurately positioning the vertex of a secondary mirror (5) off-centered with respect to that of a primary mirror (3) of a telescope (1). The secondary mirror (5) is connected to a support (8). The connection (9) includes two radial and crossed elongate connecting members |
| 5722617 |
Adjustable safety seat for a vehicle such as an aircraft |
March 3, 1998 |
| An adjustable seat of a vehicle such as an aircraft, comprises a fixed baseplate, the top plate of which is mounted on two lower components by two hinged joints. These hinged joints define two pins oriented parallel to the plane of the top plate, in the vehicle's transverse and longi |
| 5722616 |
Conical rotary actuator and its application to the control of a rudder |
March 3, 1998 |
| A rotary actuator (16) has an inner body (32) forming a rotor and at least one outer body (34) forming a stator. The inner body (32) and outer body (34) carry blades (40,44) arranged in an alternating manner and defining between them two series of variable volume chambers. The cross-sect |
| 5722510 |
Device for controlling the retraction of a mobile structure |
March 3, 1998 |
| A unit for controlling the retraction of a mobile structure such as a mirror used for calibrating an optical system on board a spacecraft, which includes a spring which permanently forces the mobile structure towards its retracted position and a memory material member, wherein a change o |
| 5688320 |
Process for manufacturing aluminum nitride whiskers |
November 18, 1997 |
| Aluminum nitride whiskers are produced by reducing alumina with carbon in a nitrogen atmosphere, at a temperature of 1800.degree. to 2000.degree. C., in the presence of a growth activator containing a solvent element, according to a process that essentially comprises the step of periodic |
| 5650462 |
Composite material having a fibrous reinforcement and matrix obtained by the polymerization of a |
July 22, 1997 |
| The invention relates to the production of composite materials having a fibrous reinforcement and matrix obtained by the polymerization of acrylic monomers.These acrylic monomers are tetraacrylates of formula: ##STR1## in which R.sup.1 and R.sup.2, which can be the same or different, |
| 5642679 |
Machine for producing a reinforcement for a composite component |
July 1, 1997 |
| A machine for producing a reinforcement for a composite component. The machine includes a stand with a subframe having uprights with slideways for mounting a transverse bar on which is mounted a movable carriage. The carriage has a first movable arm extending in another direction and |
| 5641003 |
Process for the replacement of a hydraulic fluid contained in a control circuit such as an aircr |
June 24, 1997 |
| The hydraulic fluid contained in a control circuit such as an aircraft circuit is replaced by expelling the spent fluid with new fluid. For this purpose the tank (10) is disconnected from the circuit after depressurizing and emptying it. The suction branch (18) is then connected to a |
| 5614162 |
Process for the production of long fibrous silicon carbide whiskers |
March 25, 1997 |
| The production of SiC whiskers and of mats thereof on a substrate by treatment, at 1250.degree. to 1500.degree. C., of a gaseous mixture including hydrogen and sources of Si and C atoms which are in the form of at least one oxygen-free compound, in the presence of a metal type cataly |
| 5562505 |
Adaptor for a machine for testing electronic equipment |
October 8, 1996 |
| The invention relates to an adaptor for a machine for testing electronic equipment, intended to serve as interface between the said machine and the said equipment and being presented in the form of an at least approximately rectangular box (7), the said adaptor (3) including:first and se |
| 5474265 |
Rigid kruger nose for the leading edge of an aircraft wing |
December 12, 1995 |
| The leading edge (12) of an aircraft wing is equipped with a kruger nose which includes a rigid flap (18) and a mechanism (26,28,30,40) ensuring the deployment of the flap in an intermediate landing position (P3) and in a take-off position (P2). The disposition of this mechanism is such |
| 5445021 |
Method and device for assistance in piloting an aerodyne by the graphic representation of the ve |
August 29, 1995 |
| The piloting assistance method embodying the invention consists in displaying on a screen of the cockpit of the aerodyne, in a Cartesian reference space representing altitude/distance from ground along a horizontal plane, way points identified by a series of marks, plural way points, |
| 5439306 |
Device for assembling two elements of materials having different coefficients of thermal expansi |
August 8, 1995 |
| Device for assembling two elements made of materials having different coefficients of thermal expansion, which are subject in use to substantial temperature variations, is provided with a combination of a layer of a compressible, heat insulating material, positioned between a support |
| 5430290 |
Photosensitive element and detector for detecting flashes of light |
July 4, 1995 |
| The present invention relates to a photosensitive element (1) for detecting flashes of light (2).According to the invention, said photosensitive element (1) includes a control device (4) knowing the instant of the emission of the flashes of light (2) and capable of switching said photose |
| 5429853 |
Method for producing a fiber reinforcement for a component of composite material, and composite |
July 4, 1995 |
| Method for producing a fibrous reinforcement (1) for a component of composite material comprising a panel provided with a rib. Transverse fibers (4A) are inserted over the whole extent of the first fibrous element (2), through the opposite face of the first fibrous element (2) to the |
| 5414718 |
Three-input poller |
May 9, 1995 |
| A poller including an output (S), as well as a first (E1), a second (E2), and a third (E3) input, receiving respectively a first (E.sub.s 1), a second (E.sub.s 2), and a third (E.sub.s 3) signal, which are identical during normal operation. The poller further includes a two-channel d |
| 5408743 |
Process for connecting an electric cable having a light metal core to a standardized end element |
April 25, 1995 |
| In order to connect an electric cable (12) having a light metal core (14) to a standardized end element such as a connector contact, the partly bare end of the cable is introduced into a blind hole (20) formed in a connecting part (10) made from an electrically conductive, cold deformabl |
| 5407325 |
Rotor head for rotary wing aircraft |
April 18, 1995 |
| A rotor head for a rotary wing aircraft having a plurality of rotor blades, such that each blade is coupled to the hub by an attachment assembly. The attachment assembly includes a thrust bearing device attached to the hub for allowing angular oscillations, and drag damping device couple |
| 5405560 |
Process for the production of a part, particularly a carbon-carbon brake disk and to the part ob |
April 11, 1995 |
| In a process for manufacturing a carbon-carbon component, in particular a brake disk, a porous substrate in the shape of a brake disk (32) is formed exclusively from carbon fibres. Holes (34), whose axes are parallel to the axis of rotation (36) of the disk, are made in the substrate and |
| 5405227 |
Fasteners made of composite material of a ceramic matrix reinforced with refractory fibers |
April 11, 1995 |
| Fasteners composed of a composite material constituted by a ceramic matrix reinforced with refractory fibers for use in the assembling and dissembling of structures likely to be subjected to high temperatures. The fasteners, which can comprise screws, nuts and bolts, can include a th |
| 5405103 |
Device for actuating a mechanical member, in particular for the force guidance of a missile, and |
April 11, 1995 |
| A device for actuating a movable mechanical member, using a fluid source such as a gas generator of a missile, of the type having a controllable distributor connected to the source. The device includes a body (11) provided with a distributor (12), the body being coupled, via an inlet |
| 5390707 |
Method and a machine for making hollow reinforcing members |
February 21, 1995 |
| A method and a machine for making a hollow fiber reinforcing member using a mandrel. A plurality of flexible rods are distributed around the periphery of the mandrel. Each rod is provided at one extremity with a respective curved end so that at least the extremities with bent ends are pr |
| 5378134 |
Press for forming an article of composite material comprising reinforcing fibers in a polymer ma |
January 3, 1995 |
| A press has a fixed lower platen, and an upper platen which is movable vertically by means of an actuator. A former corresponding to the article which is to be obtained is placed on the lower platen via a thermal insulation member, the former including channels for circulation of a heat |
| 5367460 |
Method of signalling insufficient maneuverability of an aircraft and device implementing such a |
November 22, 1994 |
| Method for signalling insufficient maneuverability of an aircraft according to which:in a preparatory phase: with the aid of a plurality of N flight configurations, the weighting coefficients between three quantities G1, G2, G3 are determined, representative respectively of the accelerat |
| 5361653 |
Stripper for elements made of electric-conducting material and covered with a protective or insu |
November 8, 1994 |
| An apparatus strips the surface of an element made of an electric-conducting material covered with a protective or insulating element such as a film, a sheath or similar. The apparatus includes a cutting device made of an electric-conducting material, a mechanism for applying and mov |
| 5353844 |
Warp handling arrangement for weaving a multi-dimensional thick fabric |
October 11, 1994 |
| A method and weaving machine for weaving a thick reinforcing fabric comprising multiple noncleaving layers with a 2.5 D or 3 D type structure. The warp yarns successively move into a yarn joining comb, a calibrating comb and then into a dobby weaving unit, where the warp yarns on n s |
| 5350615 |
Method and device for producing reinforcement elements formed of resistant fibers |
September 27, 1994 |
| A method and device are disclosed for forming reinforcement element formed of fibers distributed along three dimensions, wherein, a continuous fiber is introduced in a substrate resting on a support formed of such fibers crossed in at least two directions, by stitching, from the free fac |
| 5338177 |
Hot compacting device for the production of parts requiring simultaneous pressure and temperatur |
August 16, 1994 |
| A hot compacting device for producing a part, whose production requires raising the pressure and temperature simultaneously, is provided. A device made according to the present invention includes a heating mold for receiving a blank of the part to be produced and compacting element for |
| 5334438 |
Composite material with a refractory fibrous reinforcement and its production process |
August 2, 1994 |
| This composite material with a fibrous reinforcement has refractory fibres (2) embedded in a nonmetallic matrix (4) and an interphase material (6) interposed between the fibres and the matrix, the interphase material being boron carbonitride with a lamellar or amorphous structure contain |
| 5333374 |
Device for connecting connexion elements into connectors |
August 2, 1994 |
| The invention relates to a device for connecting connexion elements equipping the ends of electrical conductors into connector housings, as well as to an automatic connexion machine.The device (5) comprises:a body (7) which can be displaced in the direction of said connector (4);an insertion |
| 5321857 |
Water closet with a tilting cover acting as a bowl |
June 21, 1994 |
| A water closet with a tilting cover acting as a bowl includes one mobile portion forming a bowl for receiving solid and liquid matter and pivoting around a horizontal axis and able by rotating through approximately 180.degree. to occupy two positions, namely one position for the bowl |
| 5321631 |
Method and self-contained system for harmonizing equipments on board a vehicle, using means of m |
June 14, 1994 |
| A method for harmonizing an equipment relative to a vehicle, such as a helicopter, based upon sensing of gravitational and magnetic fields in a number of reference systems. The equipment is installed fixedly on board the vehicle which, relative to a first absolute reference system (RM), |
| 5321227 |
Method and apparatus using a laser beam to deeply cut a material covering a substrate |
June 14, 1994 |
| Process and apparatus for deep cutting a material covering a substrate, the material absorbing laser radiation, enables the transforming of a beam from a laser source into a thin pencil of rays to create a focussing field having a thin blade shape including a large focussing depth spanni |
| 5319745 |
Method and apparatus for processing alphanumeric and graphic information to create a data base |
June 7, 1994 |
| The invention concerns a method and an apparatus for processing alphanumeric and graphics information recorded in page form on a system to create a data base which can be searched and edited, wherein the following steps take place automatically:A) determination of digitized page images;B |
| 5288109 |
Method for mechanical joining a tube of composite material and a metallic fitting and structure |
February 22, 1994 |
| A method of joining a tube of composite material and a tubular metal fitting includes, winding filaments of pre-impregnated fibers to produce a tube with a longitudinal axis. The fibers that provide tensile strength for the tube are at a tensile fiber angle relative to the longitudinal |
| 5276500 |
Interferometer device, in particular a stellar interferometer device, incorporating a delay line |
January 4, 1994 |
| A carriage is moved along a track by a motor connected in a first control loop to a carriage position sensor. The carriage carries a chassis which is coupled to it by a flexible linkage. The chassis carries an accelerometer connected by a second control loop independent of the first |
| 5262616 |
Plasma torch for noncooled injection of plasmagene gas |
November 16, 1993 |
| The present invention concerns a plasma torch of the type including:two tubular and axially spaced coaxial electrodes (5 and 6), each electrode being arranged in a support (3 and 4) in which a cooling circuit (8 and 9) of the corresponding electrode is fitted; anda passageway for injecting a |
