Patent application number | Description | Published |
20110300359 | PAINTER'S CANVAS INCLUDING AN AGENT CAPABLE OF TRAPPING FORMALDEHYDE AND MANUFACTURING PROCESS - The present invention relates to a painter's canvas based on glass fibers intended to be applied to an interior surface of a building, which includes an agent capable of trapping formaldehyde chosen from compounds comprising active methylene(s), hydrazides, tannins, amides, amino acids, peptides and proteins. | 12-08-2011 |
20120132851 | MAT OF MINERAL FIBERS INCLUDING AN AGENT CAPABLE OF TRAPPING FORMALDEHYDE AND MANUFACTURING PROCESSES - The present invention relates to a mat of mineral fibers which comprises an agent capable of trapping formaldehyde present in particular in dwellings or offices and transportation vehicles. | 05-31-2012 |
20120245267 | FILM-FORMING COMPOSITION INCLUDING AN AGENT CAPABLE OF TRAPPING FORMALDEHYDE - The present invention relates to a film-forming composition intended to be applied to an inner surface of a building which includes an agent capable of trapping formaldehyde chosen from compounds comprising active methylene(s), tannins and amides. | 09-27-2012 |
20130115447 | MAT OF POLYMER FIBERS CONTAINING A DIHYDRAZIDE AND USE THEREOF - The present invention relates to a mat of polymer fibers capable of trapping formaldehyde which contains at least one dihydrazide. | 05-09-2013 |
20130157028 | MAT OF POLYMER FIBERS CONTAINING AN ACETOACETAMIDE AND USE THEREOF - The present invention relates to a mat of polymer fibers capable of trapping formaldehyde which contains at least 0.5% by weight of an acetoacetamide of formula: | 06-20-2013 |
20140017471 | GLASS STRAND PROVIDED WITH A POLYMER-BASED COATING AND SCREEN COMPRISING SAID STRAND - The present invention relates to a glass strand provided with a coating based on a polymer chosen from vinyl acetate/vinyl chloride copolymers, polyvinyl chloride and polyvinylidene chloride and which comprises a silane of formula Si(R | 01-16-2014 |
20150050469 | WALL COVERING FOR THERMAL AND ACOUSTIC COMFORT - A multilayer wall covering includes: (a) a support layer formed by an organic polymer foam having an open porosity of between 0.50 and 0.995, or by a viscose fiber nonwoven having a mass per unit area of between 150 g/m2 and 500 g/m2, (b) a surface layer formed by a glass textile, having a static air flow resistance, measured according to the standard ISO 9053, of between 105 N·s·m-4 and 106 N·s·m-4, (c) at the interface between the support layer (a) and the surface layer (b), a discontinuous adhesive layer having a mass per unit area of between 17 and 60 g/m2. There is also provided a process including the use of such a covering for improving both the acoustic and the thermal comfort of a room, and two processes for manufacturing such a covering. | 02-19-2015 |
Patent application number | Description | Published |
20090301995 | Method for Making a Plate-Like Detachable Structure, in Particular Made of Silicon, and Use of Said Method - Process for fabricating a structure in the form of a wafer, including at least a substrate, a superstrate and at least one intermediate layer interposed between the substrate and the superstrate, the process including: forming, on a substrate, at least one intermediate layer including at least one base material in which extrinsic atoms or molecules are distributed, these differing from the atoms or molecules of the base material, so as to constitute a substructure; applying a base heat treatment to this substructure such that, in the temperature range of this heat treatment, the presence of the chosen extrinsic atoms or molecules in the chosen base material causes a structural transformation of said intermediate layer; and joining a superstrate to said heat-treated intermediate layer so as to obtain said structure in the form of a wafer. | 12-10-2009 |
20100032085 | METHOD FOR PRODUCING SELF-SUPPORTING MEMBRANES - The disclosure relates to methods and systems for separating a membrane from a substrate. In accordance with a preferred embodiment, the method includes applying at least one member to the membrane by way of an adhesive, wherein the adhesive is applied to substantially less than the entirety of the surface of said membrane which is not facing the substrate. The method further includes separating at least a part of the membrane from the substrate by applying a force to the at least one member. | 02-11-2010 |
20110076849 | PROCESS FOR BONDING AND TRANSFERRING A LAYER - A method of fabricating a multilayer substrate may include bonding a front face of a donor substrate to a front face of a receiver substrate by molecular adhesion to form a stack and applying a heat treatment to the stack to consolidate a bond interface between the donor substrate and the receiver substrate. The method may further include thinning a back face of the donor substrate, trimming a periphery of the donor substrate and at least a portion of a periphery of the receiver substrate, and etching the back face of the donor substrate, the periphery of the donor substrate, and the at least a portion of the periphery of the receiver substrate subsequent to thinning the back face of the donor substrate and trimming the periphery of the donor substrate and the at least a portion of the periphery of the receiver substrate. | 03-31-2011 |
20110183495 | ANNEALING PROCESS FOR ANNEALING A STRUCTURE - The invention relates to a process for annealing a structure that includes at least one wafer, with the annealing process including conducting a first annealing of the structure in an oxidizing atmosphere while holding the structure in contact with a holder in a first position in order to oxidize at least portion of the exposed surface of the structure, shifting the structure on the holder into a second position in which non-oxidized regions of the structure are exposed, and conducting a second annealing of the structure in an oxidizing atmosphere while holding the structure in the second position. The process provides an oxide layer on the structure. | 07-28-2011 |
20110233719 | TEST METHOD ON THE SUPPORT SUBSTRATE OF A SUBSTRATE OF THE "SEMICONDUCTOR ON INSULATOR" TYPE - The invention relates to a test method comprising an electrical connection contact on the support of a substrate of the semiconductor-on-insulator type. | 09-29-2011 |
20110250416 | METHODS OF MAKING SUBSTRATE STRUCTURES HAVING A WEAKENED INTERMEDIATE LAYER - This invention provides composite semiconductor substrates and methods for fabricating such substrates. The composite structures include a semiconductor substrate, a semiconductor superstrate and an intermediate layer interposed between the substrate and the superstrate that comprises a material that undergoes a structural transformation When subject to a suitable heat treatment. The methods provide such a heat treatment so that the intermediate layer becomes spongy or porous, being filled with numerous micro-bubbles or micro-cavities containing a gaseous phase. The composite semiconductor substrates with structurally-transformed intermediate layers have numerous applications. | 10-13-2011 |
20120164778 | METHOD OF BONDING BY MOLECULAR BONDING - A method of bonding by molecular bonding between at least one lower wafer and an upper wafer comprises positioning the upper wafer on the lower wafer. In accordance with the invention, a contact force is applied to the peripheral side of at least one of the two wafers in order to initiate a bonding wave between the two wafers. | 06-28-2012 |
Patent application number | Description | Published |
20090156439 | LUBRICANT COMPOSITIONS COMPRISING COLLOIDAL DISPERSIONS OF IRON AND TREATMENT OF ENGINE EXHAUST GASES THEREWITH - Lubricant compositions contain a blend of a lubricating oil and a colloidal dispersion of particles of at least one iron compound and an amphiphilic agent; such compositions are useful for operating an engine, more particularly a diesel engine, which is equipped with an exhaust system fitted with a particle filter, wherein the particles present in the exhaust gases are trapped on the filter and, periodically, the trapped particles are burned, and further wherein the subject compositions are employed as engine lubricants with a view to catalyzing the combustion of the trapped particles. | 06-18-2009 |
20090191108 | Zirconium/Praseodymium Oxide NOx Traps and Prufication of Gases Containing Nitrogen Oxides (NOx) Therewith - A method for treating/purification a gas containing nitrogen oxides (NOx) includes conveying same through a NOx trap containing a composition based on a catalyst for oxidizing NOx into NO | 07-30-2009 |
20090241523 | LUBRICANT COMPOSITIONS COMPRISING COLLOIDAL DISPERSIONS OF RARE EARTH COMPOUNDS AND CATALYTIC COMBUSTION OF ENGINE EXHAUST SOOTS THEREWITH - Engines equipped with an exhaust line fitted with a particulate filter, in which the particulates contained in the exhaust gas are trapped on such filter, and wherein the trapped particulates are periodically burned off, are operated by improvedly catalyzing the combustion of said particles utilizing a composition containing mixture of a lubricating oil and a colloidal dispersion as the engine-lubricating composition, which dispersion includes particles of at least one compound of at least one rare earth and an amphiphilic agent. | 10-01-2009 |
20100178380 | Synthesis and applications of 2-OXO-4-methylthiobutyric acid, its salts and its derivatives - The invention relates to a process for preparing 2-oxo-4-methylthiobutyric acid (I), its salts and its derivatives | 07-15-2010 |
Patent application number | Description | Published |
20100051149 | Pyrotechnic Grains of Large Dimensions, and Their Production and Use - The present invention provides pyrotechnic grains of composition comprising at least one oxidizing charge and at least one reducing charge and no binder. In characteristic manner, said grains are in the form of substantially cylindrical blocks:
| 03-04-2010 |
20100329960 | COMPOSITION FOR GENERATING NITROGENOUS GAS AND INCLUDING AZODICARBONAMIDE, AND METHOD FOR GENERATING NITROGEN GAS BY DECOMPOSITION OF SAID COMPOSITION - A subject matter of the present invention is compositions which generate nitrogenous gas, with a low decomposition temperature, and processes for the generation of nitrogenous gas comprising the decomposition of such compositions. Said compositions comprise:
| 12-30-2010 |
20110027168 | SOLID COMPOUNDS, SELF-SUSTAINING COMBUSTION HYDROGEN GENERATORS CONTAINING BORAZANE AND/OR POLYAMINOBORANE AND AT LEAST ONE INORGANIC OXIDANT, AND METHOD FOR GENERATING HYDROGEN - The main subject of the present invention are solid compounds capable of generating hydrogen by a self-sustaining combustion reaction. Their composition comprises borazane and/or polyaminoborane and at least one inorganic oxidant, advantageously chosen from ammonium nitrate, alkali metal nitrates, alkaline-earth metal nitrates, metal nitrates, metal oxides, oxidants of the family of dinitramines and mixtures thereof. It also relates to the generation of hydrogen by self-sustaining combustion of at least one such compound. | 02-03-2011 |
20120079807 | METHOD FOR PRODUCING SOLID COMPOSITE ALUMINIZED PROPELLANTS, AND SOLID COMPOSITE ALUMINIZED PROPELLANTS - The main subjects of the present invention are:
| 04-05-2012 |
Patent application number | Description | Published |
20080290221 | Support Device For Elements on a Piece of Space Equipment With Flexible Deploying Arms - A device (D) is devoted to supporting a first (M1) and a second (M2) element of a piece of space equipment, such as a telescope for example. This device (D) comprises at least two deployable flexible arms (O | 11-27-2008 |
20090174287 | DEVICE FOR FIXING A FIRST EQUIPMENT ITEM TO A SECOND EQUIPMENT ITEM, WITH ACTIVE MICROPOSITIONING - A device (D) is dedicated to fixing a first piece of equipment (E | 07-09-2009 |
20090218911 | Device for the Active Damping of the Vibrations Experienced by a Fragile Part of Moving Equipment, with Autonomous Power Supply - A device is dedicated to the damping of vibrations for an item of equipment (I) designed to be moved and comprising a structure (S | 09-03-2009 |
20100031525 | Measuring Tape With Thermal Deployment and Deployable Structure Comprising Said Measuring Tape - The invention relates to a measuring tape ( | 02-11-2010 |
20110310502 | SPACE OPTICAL SYSTEM HAVING MEANS FOR ACTIVE CONTROL OF THE OPTICS - An optical space observation system comprises a primary mirror, a secondary mirror, a supporting base containing the primary mirror, on which a mechanical structure bearing a support of the secondary mirror is positioned, and an optical measurement means, said mechanical structure comprising a plurality of mechanical arms. The system also has a system comprising a plurality of actuators positioned on the supporting base, said actuators being connected to the lower ends of said mechanical arms and the upper ends of said mechanical arms being connected to the support of the secondary mirror on the periphery of the support. A space telescope is intended to be loaded in a launcher and put into orbit. The invention is intended in particular for a telescope having a deployable secondary mirror and means for active control of the optics. | 12-22-2011 |
20120107585 | Ceramic Composite Based on Beta-Eucryptite and an Oxide, and Process of Manufacturing Said Composite - A composite having a coefficient of thermal expansion less than 1.3×10 | 05-03-2012 |
20120115707 | Process for Manufacturing a Ceramic Composite Based on Silicon Nitride and Beta-Eucryptite - A process for manufacturing a sintered ceramic composite, based on silicon nitride and β-eucryptite, includes a step of producing a first powder blend, consisting of a powder of silicon nitride in crystalline form and a powder of a first lithium aluminosilicate in crystalline form, the composition of which is the following: (Li | 05-10-2012 |
20120167943 | Unwindable Flat Solar Generator - A solar generator deployment device includes an assembly comprising a plurality of tape-springs supporting a windable membrane on a face of which is arranged a plurality of elements capable of converting the solar energy into electrical energy. The tape-springs and membrane are co-wound around a unique radius of curvature equal to the natural radius of curvature of folding of the tape-spring in the wound state. The tape-springs are substantially parallel and interlinked by transversal braces ensuring the rigidity of the bearing structure. | 07-05-2012 |
20120167944 | Boxed Unwindable Solar Generator - A solar generator deployment device includes at least one primary tape-spring supporting a flexible membrane with a set of flexible photovoltaic cells on one face, at least one secondary tape-spring, and a reinforcing structure attached to the primary tape-spring and secondary tape-spring, said device having a wound state in which the primary tape-spring supporting the flexible membrane and secondary tape-spring and reinforcing structure are co-wound around a mandrel; and an unwound state in which said primary tape-spring and secondary tape-spring are unwound. The device comprises, at the level of said mandrel, means for offsetting, in the unwound state, the root of said secondary tape-spring so that the reinforcing structure is deployed within a volume situated on the side opposite the face of the flexible membrane comprising flexible photovoltaic cells and supports said flexible membrane, the device then being in the deployed state. | 07-05-2012 |
Patent application number | Description | Published |
20080248380 | Method of manufacturing an integrated circuit, an integrated circuit, and a memory module - According to one embodiment of the present invention, a method of manufacturing an integrated circuit including a memory device includes, generating a solid electrolyte layer including a first solid electrolyte layer area and a second solid electrolyte layer area, the height of the top surface of the solid electrolyte layer within the second solid electrolyte layer area being lower than the height of the top surface of the solid electrolyte layer within the first solid electrolyte layer area; generating a conductive layer above the top surfaces of the first solid electrolyte layer area and the second solid electrolyte layer area; planarizing the top surface of the conductive layer such that the solid electrolyte layer is exposed within the first solid electrolyte layer area, however is covered by the conductive layer within the second solid electrolyte layer area; patterning the exposed solid electrolyte layer within the first solid electrolyte layer area. | 10-09-2008 |
20080253164 | Integrated Circuit, Resistivity Changing Memory Device, Memory Module and Method of Fabricating an Integrated Circuit - According to one embodiment of the present invention, an integrated circuit includes a plurality of resistivity changing memory cells, and a plurality of conductive elements being electrically connected to the resistivity changing memory cells, at least some of the conductive elements comprising copper. | 10-16-2008 |
20080253165 | Method of Manufacturing a Memory Device, Memory Device, Cell, Integrated Circuit, Memory Module, and Computing System - In one embodiment of the present invention, a method of fabricating a memory device includes: providing a composite structure including a resistivity changing layer and a first conductive layer disposed on or above the resistivity changing layer, forming a second conductive layer on or above the first conductive layer, and patterning the second conductive layer such that at least a part of the patterned second conductive layer is usable as a via for contacting the first conductive layer. | 10-16-2008 |
20080253168 | Integrated circuit, resistivity changing memory device, memory module, and method of fabricating an integrated circuit - According to one embodiment of the present invention, a memory device includes a composite structure including a resistivity changing layer and an electrode layer being arranged on or above the resistivity changing layer. The resistivity changing memory device further includes a protection layer being arranged on or above the composite structure, the protection layer protecting the electrode layer against electromagnetic waves. | 10-16-2008 |
20130062587 | Resistive Switching Devices Having Alloyed Electrodes And Methods of Formation Thereof - In accordance with an embodiment of the present invention, a resistive switching device comprises a bottom electrode, a switching layer disposed over the bottom electrode, and a top electrode disposed over the switching layer. The top electrode comprises an alloy of a memory metal and an alloying element. The top electrode provides a source of the memory metal. The memory metal is configured to change a state of the switching layer. | 03-14-2013 |
Patent application number | Description | Published |
20100166791 | CIRCOVIRUS SEQUENCES ASSOCIATED WITH PIGLET WEIGHT LOSS DISEASE (PWD) - The genome sequences and the nucleotide sequences coding for the PWD circovirus polypeptides, such as the circovirus structural and non-structural polypeptides, vectors including the sequences, and cells and animals transformed by the vectors are provided. Methods for detecting the nucleic acids or polypeptides, and kits for diagnosing infection by a PWD circovirus, also are provided. Method for selecting compounds capable of modulating the viral infection is further provided. Pharmaceutical, including vaccines, compositions for preventing and/or treating viral infections caused by PWD circovirus and the use of vectors for preventing and/or treating diseases also are provided. | 07-01-2010 |
20100189734 | CIRCOVIRUS SEQUENCES ASSOCIATED WITH PIGLET WEIGHT LOSS DISEASE (PWD) - The genome sequences and the nucleotide sequences coding for the PWD circovirus polypeptides, such as the circovirus structural and non-structural polypeptides, vectors including the sequences, and cells and animals transformed by the vectors are provided. Methods for detecting the nucleic acids or polypeptides, and kits for diagnosing infection by a PWD circovirus, also are provided. Method for selecting compounds capable of modulating the viral infection are further provided. Pharmaceutical, including vaccine, compositions for preventing and/or treating viral infections caused by PWD circovirus and the use of vectors for preventing and/or treating diseases also are provided. | 07-29-2010 |
Patent application number | Description | Published |
20100307269 | DEVICE FOR REVERSING THE DIRECTION OF AN AUTOMOTIVE WHEELED VEHICLE - A direction-reversing device includes at least one input shaft, an output shaft, and direction-reversing element with a clutch sleeve including a moving clutch sleeve, mounted to move axially on one of the shafts carrying it to enable occupying forward and reverse positions. This device also includes a blocking element that is driven in rotation by the input shaft that carries the moving clutch sleeve, whereby this blocking element is mounted to move between the off position, in which the moving clutch sleeve is able to switch from one operating position to the next, and the on position, in which the blocking element forms an obstacle that prevents the switching of the moving clutch sleeve from one position to the next, being able to switch automatically from the off position to the on position when the input shaft is driven at a speed of rotation that exceeds a predetermined threshold value. | 12-09-2010 |
20100307289 | TRANSMISSION DEVICE AND AUTOMOTIVE VEHICLE EQUIPPED WITH SUCH A TRANSMISSION DEVICE - A transmission device for an automotive vehicle of the type includes, mounted on an output shaft formed by at least two wheel drive half-shafts of a vehicle mounted to freely rotate one relative to the other, at least one rotary gearwheel, and two clutch mechanisms with clutch sleeves arranged on both sides of the gearwheel. This device includes, on the one hand, two clutch sleeve configurations: the driving configuration of the gearwheel, and the engine brake configuration of the gearwheel, and, on the other hand, a declutching control mechanism that includes at least one clutch sleeve pilot unit, coaxial to the gearwheel, mounted relative to the gearwheel that moves angularly between two end positions. The declutching pilot unit can be driven into each of the end positions by the two wheel drive half-shafts when they are driven at a speed of rotation that is different from that of the gearwheel. | 12-09-2010 |
20120096965 | TRANSMISSION DEVICE BETWEEN AN INPUT DRIVE SHAFT AND AN OUTPUT SHAFT, SUCH AS THE SHAFT FOR DRIVING THE WHEELS OF A TRAVELLING MACHINE - Transmission device between an input drive shaft and an output shaft, of the type including a housing inside which are placed at least partially a reduction gear mechanism and a progressive cone clutch mechanism, the reduction gear mechanism including a driving member engaged with a driven member, formed by a gearwheel mounted so as to rotate freely on the output shaft and able to be coupled to/uncoupled from the output shaft via two friction cones of the clutch mechanism, the cones being placed coaxial to the axial bore of the gearwheel and capable of coming, under the action of a control device, into bearing contact with a conical bearing surface of the gearwheel. The conical bearing surfaces of the gearwheel are, relative to the axis of rotation of the gearwheel, offset axially from the gear teeth of the gearwheel and are placed on the same side of the gear teeth. | 04-26-2012 |
20120096971 | TRANSMISSION MECHANISM HOUSING, NOTABLY FOR TRANSMISSION BETWEEN AN INPUT DRIVESHAFT AND AN OUTPUT SHAFT - Transmission mechanism housing ( | 04-26-2012 |
20120100943 | PULLEY FOR BELT TRANSMISSION DEVICE, NOTABLY FOR A BELT SPEED-VARIATOR, AND BELT SPEED-VARIATOR INCORPORATING SUCH A PULLEY - A pulley for a belt transmission device of the type including at least one shaft and two flanges supported by the shaft, one of the flanges, recessed centrally and received so as to fit onto the shaft for an axially free installation being fitted with return elements to return in the direction of the other flange, and delimiting with the other flange a groove of variable dimension inside which it is possible for the belt to be inserted, at least one of the flanges being a flange made of synthetic material furnished, on its surface facing the other flange, with a centrally recessed dish made of metal. The or each dish is, in its zone adjacent to the central recess, separated from the flange that it lines by a space, called a peripheral space, which reduces in the zone the thermal exchanges between flange and dish. | 04-26-2012 |
20120129637 | TRANSMISSION DEVICE FOR SELF-PROPELLED EQUIPMENT AND SELF-PROPELLED EQUIPMENT FITTED WITH SUCH A TRANSMISSION - Transmission device for self-propelled equipment, includes a housing having a driving input shaft transmitting movement to an output shaft, the input shaft bearing a receiving pulley around which pulley a belt transmission is wrapped. The input shaft also bears a component that rotates as one with the shaft and a member for controlling the movement of the pulley along the input shaft in terms of the pulley movement towards or away from the component so that the pulley, which is mounted with freedom to rotate on the input shaft, can be moved from a disengaged position when it is away from the component, into an engaged position when it is close to the component, the pulley having a groove of constant predetermined width for accepting the belt so that when the belt is taut inside the groove, the belt tension is maintained as the pulley moves along the input shaft. | 05-24-2012 |
20120145501 | TRANSMISSION BETWEEN AN ENGINE INPUT SHAFT AND AN OUTPUT SHAFT OF A MOTOR VEHICLE - A transmission between a driving primary shaft and an outlet shaft of a self-propelled machine, includes a housing within which there are housed, at least in part: a stepdown mechanism; two clutch mechanisms, one being progressive and the other being non-progressive with a movable dog; and a clutch control device including first and second clutch control elements. The second clutch control elements include at least one spring blade extending along the outlet shaft, the spring blade being mounted to move axially on the outlet shaft during axial movement of the dog from the unclutched extreme position towards a clutched position as a result of the movable dog bearing thereagainst, the spring blade being drivable axially on the shaft and being elastically deformable between an active position in which the dog comes into abutment against the spring blade, and an inactive position in which the dog slides along the spring blade. | 06-14-2012 |
Patent application number | Description | Published |
20110268561 | TURBINE ENGINE ROTOR WHEEL WITH BLADES MADE OF A COMPOSITE MATERIAL PROVIDED WITH A SPRING RING - A turbomachine rotor wheel including blades made of composite material; an annular mounting plate; a plurality of composite material blades mounted on the mounting plate, each blade also including a top platform at its tip carrying radial labyrinth teeth; an orientation disk fastened coaxially around the mounting plate and including at its outer periphery a plurality of axial slots that are open at one end, each slot presenting a cross-section that matches the cross-section of a blade root so as to hold it angularly in position by co-operation of shapes; and a variable-diameter spring ring housed in part in an axial notch formed in each blade root and projecting axially relative thereto, the spring ring to come into radial abutment against an inside surface of the orientation disk during radial outward movement of the blades relative to the mounting plate. | 11-03-2011 |
20130089429 | TURBINE ENGINE BLADE MADE OF COMPOSITE MATERIAL, AND A METHOD OF FABRICATING IT - A turbine engine blade made of composite material including fiber reinforcement densified by a matrix is fabricated by a method including: performing three-dimensional weaving to make a single-piece fiber blank; shaping the fiber blank to obtain a single-piece fiber preform having a first portion forming a preform for a blade root and an airfoil, at least one second portion forming a preform for a blade inner platform or for wipers of a blade outer platform, and at least one third portion forming a preform for reinforcing a blade inner platform or for overhangs of a blade outer platform; and densifying the fiber preform with a matrix to obtain a composite material blade having fiber reinforcement constituted by the preform and densified by the matrix, and forming a single piece with an inner and/or outer platform incorporated therein. | 04-11-2013 |
20140030076 | TURBINE ENGINE BLADE OR VANE MADE OF COMPOSITE MATERIAL, TURBINE NOZZLE OR COMPRESSOR STATOR INCORPORATING SUCH VANES AND METHOD OF FABRICATING SAME - A method for fabricating turbine engine blade or vane made of composite material includes: performing three-dimensional weaving to make a single-piece fiber blank; shaping the fiber blank to obtain a single-piece fiber preform having a first portion forming a preform for at least a blade/vane airfoil, at least one second portion forming a preform for an inner part of a blade/vane inner platform or for an outer part of a blade/vane outer platform, and at least one third portion forming a preform for an outer part of a blade/vane inner platform or for an inner part of a blade/vane outer platform; and densifying the fiber preform with a matrix to obtain a composite material blade, and forming a single piece with an inner and/or outer platform(s) incorporated therein. | 01-30-2014 |
Patent application number | Description | Published |
20100158675 | TURBOMACHINE ROTOR HAVING BLADES OF COMPOSITE MATERIAL PROVIDED WITH METAL LABYRINTH TEETH - The invention provides a turbine machine rotor having blades of composite material, the rotor comprising an assembly disk, a plurality of composite material blades mounted on the assembly disk via their roots and each provided at its free end with a platform, and a metal shroud positioned on the blade platforms concentrically around the assembly disk and including labyrinth teeth that project radially outwards in order to abrade an abradable material carried by a casing surrounding the rotor, the casing being held stationary both axially and circumferentially relative to the blade platforms and being suitable for moving radially outwards in operation relative to the blade platforms. | 06-24-2010 |
20100166560 | TURBOMACHINE ROTOR WHEEL HAVING COMPOSITE MATERIAL BLADES - The invention relates to a turbomachine rotor wheel ( | 07-01-2010 |
20100189562 | COMPOSITE MATERIAL TURBOMACHINE BLADE WITH A REINFORCED ROOT - The invention relates to a turbomachine blade made of composite material including fiber reinforcement, the blade being obtained by three-dimensionally weaving yarns and densifying with a matrix. The blade comprises a single piece constituting both the airfoil and the root of the blade. The blade root has two substantially plane opposite side flanks that are formed in register with the pressure side and suction side surfaces respectively of the airfoil and it is clamped between two metal plates that are fastened against the side flanks of the root. | 07-29-2010 |
20110250061 | STATIONARY VANE ASSEMBLY FOR A TURBINE ENGINE HAVING A REDUCED WEIGHT, AND TURBINE ENGINE COMPRISING AT LEAST ONE SUCH STATIONARY VANE ASSEMBLY - A stationary vane assembly of a turbine engine including an inner casing and a high-pressure turbine guide vane assembly including at least two angular sectors including blades, the angular sectors being fixed on the casing, each angular sector including a platform and a fastening tab. The fastening tab protrudes from the platform radially inwardly. The casing includes a first annular groove receiving the fastening tabs, radial retaining pins for the angular sectors being introduced into bores made in the casing and the fastening tabs, the axial retaining pins being axially stopped by a ring mounted in a second annular groove of the casing. | 10-13-2011 |