Patent application number | Description | Published |
20090029847 | Mesostructured material with a high aluminium content - A mesostructured material that consists of at least two elementary spherical particles, each of said particles comprising a mesostructured matrix based on aluminum oxide and having a pore size of between 1.5 and 30 nm, an aluminum oxide content that represents more than 46% by weight relative to the mass of said matrix, which has amorphous walls with a thickness of between 1 and 30 nm and whereby said elementary spherical particles have a maximum diameter of 10 μm, is described. Said mesostructured matrix can also contain silicon oxide. Each of the spherical particles of the mesostructured material can also contain zeolitic nanocrystals so as to form a material with a mixed porosity that is both mesostructured and zeolitic in nature. The preparation of said material is also described. | 01-29-2009 |
20090232720 | MESOSTRUCTURED ALUMINOSILICATE MATERIAL - A mesostructured aluminosilicate material is described, constituted by at least two spherical elementary particles, each of said spherical particles being constituted by a matrix based on silicon oxide and aluminium oxide, having a pore size in the range 1.5 to 30 nm, a Si/Al molar ratio of at least 1, having amorphous walls with a thickness in the range 1 to 20 nm, said spherical elementary particles having a maximum diameter of 10 μm. A process for preparing said material and its application in the fields of refining and petrochemistry are also described. | 09-17-2009 |
20110033375 | CRYSTALLIZED MATERIAL WITH HIERARCHICAL POROSITY CONTAINING SILICON - Hierarchical porosity material consisting of at least two elementary spherical particles having a maximum diameter of 200 microns, at least one of said spherical particles comprises at least one matrix based on silicon oxide and exhibiting crystallized walls, said material having a macropore volume measured by mercury porosimetry ranging between 0.05 and 1 ml/g, a mesopore volume measured by nitrogen volumetric analysis ranging between 0.01 and 1 ml/g and a micropore volume measured by nitrogen volumetric analysis ranging between 0.03 and 0.4 ml/g. The preparation of said material and use of same as adsorbent or as acidic solid is also described. | 02-10-2011 |
20110039102 | AMORPHOUS SILICON-CONTAINING MATERIAL WITH HIERARCHICAL POROSITY - Material with hierarchical porosity consisting of at least two elementary spherical particles having a maximum diameter of 200 microns, at least one of said spherical particles comprising at least one matrix based on silicon oxide, said material having a macropore volume measured by mercury porosimetry ranging between 0.05 and 1 ml/g, a mesopore volume measured by nitrogen volumetric analysis ranging between 0.01 and 1 ml/g and a micropore volume measured by nitrogen volumetric analysis ranging between 0.03 and 0.4 ml/g, said matrix having amorphous walls. The preparation of said material is also described. | 02-17-2011 |
20110105300 | MESOSTRUCTURED ALUMINOSILICATE MATERIAL MADE OF SPHERICAL PARTICLES OF SPECIFIC SIZE - A mesostructured aluminosilicate material is described, which consists of at least two elementary spherical particles, each one of said spherical particles consisting of a matrix based on silicon oxide and aluminium oxide, said matrix having a pore diameter ranging between 1.5 and 30 nm, a Si/Al molar ratio at least equal to 1 and amorphous walls of thickness ranging between 1 and 30 nm, said elementary spherical particles having a diameter D such that 1005-05-2011 | |
20110111232 | MESOSTRUCTURED MATERIAL HAVING A HIGH ALUMINIUM CONTENT AND CONSISTING OF SPHERICAL PARTICLES OF SPECIFIC SIZE - A mesostructured material is described, which consists of at least two elementary spherical particles, each one of said particles comprising a mesostructured matrix based on aluminium oxide, said matrix having a pore diameter ranging between 1.5 and 30 nm, and an aluminium oxide content representing more than 46 wt. % of the mass of said matrix, which has amorphous walls of thickness ranging between 1 and 30 nm, said elementary spherical particles having a diameter D greater than 10 μm and less than or equal to 100 μm (1005-12-2011 | |
Patent application number | Description | Published |
20080206048 | METHOD OF MANUFACTURING A GAS TURBINE CASING OUT OF COMPOSITE MATERIAL, AND A CASING AS OBTAINED THEREBY - A composite material casing of varying thickness, in particular for a gas turbine fan, is made by forming fiber reinforcement and densifying the reinforcement with a matrix. The fiber reinforcement is made by winding superposed layers of a fiber texture onto a mandrel, the texture being made by three-dimensional weaving with varying thickness. | 08-28-2008 |
20080223505 | Machine for producing multiaxial fibrous webs - A plurality of unidirectional sheets ( | 09-18-2008 |
20090186547 | REINFORCING FIBER TEXTURE WITH MULTIPLE-SATIN WEAVING FOR A COMPOSITE MATERIAL PART - A reinforcing fiber texture for a composite material part is made by multi-layer three-dimensional weaving with a satin type weave or a multiple satin type weave. The texture comprises at least three layers of weft yarns T interlaced by warp yarns C, each warp yarn taking hold in alternation of one weft yarn in n from a first layer of weft yarns and of one weft yarn in n of a second layer of weft yarns adjacent to the first, the number n being an integer not less than 3. The paths of the warp yarns are similar and they are offset in the warp direction. | 07-23-2009 |
20090280707 | FIBER REINFORCING TEXTURE FOR MAKING A COMPOSITE MATERIAL PART - A fiber reinforcing texture ( | 11-12-2009 |
20100005780 | METHOD OF MANUFACTURING A CMC FLOW MIXER LOBED STRUCTURE FOR A GAS TURBINE AEROENGINE - A method of fabricating a lobed structure for a gas turbine flow mixer having an annular upstream portion extended downstream by a portion forming a multilobed skirt, the method comprising:
| 01-14-2010 |
20100144227 | REINFORCING FIBROUS STRUCTURE FOR A COMPOSITE MATERIAL AND A PART CONTAINING SAID STRUCTURE - A woven fibrous structure embodied in one piece, used for producing a composite material part and comprising an internal part or a core ( | 06-10-2010 |
20110277869 | PRODUCTION OF A FIBROUS STRUCTURE WITH VARIABLE THICKNESS BY 3D WEAVING - A method of making a fiber structure by multilayer three-dimensional weaving, the fiber structure having a thickness in a direction perpendicular to the warp and weft directions that varies along the warp direction while conserving the same number of warp yarns that are woven at all points of the fiber structure along the warp direction, wherein during a transition in the warp direction from a first portion of the fiber texture to a second portion of the fiber texture having a thickness that is greater than the thickness of the first portion, the number of warp planes is decreased and the number of layers of warp yarns is increased without changing the number of warp yarns, by constituting at least one warp plane in the second portion with warp yarns taken from at least two different warp planes in the first portion. | 11-17-2011 |
20110293828 | METHOD FOR MANUFACTURING A COMPLEXLY SHAPED COMPOSITE MATERIAL PART - A method of fabricating a complex part out of composite material including three-dimensional woven fiber reinforcement densified by a matrix, the method including three-dimensionally weaving a continuous fiber strip including a succession of fiber blanks for preforms of a plurality of parts that are to be fabricated; subsequently cutting individual fiber blanks out from the strip, each blank being a one-piece blank; shaping a cut-out blank to obtain a one-piece fiber preform having a shape that is close to the shape of a part that is to be fabricated; consolidating the preform in the desired shape; and densifying the consolidated preform by forming a matrix by chemical vapor infiltration. | 12-01-2011 |
20110311368 | COMPOSITE MATERIAL TURBINE ENGINE VANE, AND METHOD FOR MANUFACTURING SAME - A method of fabricating a turbomachine blade out of a composite material including fiber reinforcement densified by a matrix, the method including making a one-piece fiber blank by three-dimensional weaving; shaping the fiber blank to obtain a one-piece fiber preform having a first portion forming a blade airfoil and root preform and at least one second portion forming a preform for an inner or outer blade platform; and densifying the preform with a matrix to obtain a composite material blade having fiber reinforcement constituted by the preform and densified by the matrix, fowling a single part with incorporated inner and/or outer platform. | 12-22-2011 |
20120055609 | METHOD FOR PRODUCING A TURBOMACHINE BLADE MADE FROM A COMPOSITE MATERIAL - A method of fabricating a composite-material turbomachine blade having platform incorporated therein includes separately making a blade platform element that comprises rigidified fiber reinforcement and that has a shape close to that of a platform of the blade to be fabricated, with at least one opening being formed through the platform element. The opening has the shape of the profile of the airfoil of the blade to be fabricated. Three-dimensional weaving is used to make a flexible fiber blank as a single piece that includes blade airfoil-and-root preform portions. The platform element is engaged, via its opening, on the flexible fiber blank while deforming it so as to assemble the platform element with the fiber blank. The fiber blank is shaped together with the platform element assembled thereon to obtain a blade preform of a shape that is close to the shape of the blade to be fabricated. After shaping, the blade preform is consolidated in its shape in a shaper. Additionally, final densification of the consolidated blade preform is performed in order to obtain a composite-material blade having an incorporated platform. | 03-08-2012 |
20120099982 | TURBINE DISTRIBUTOR ELEMENT MADE OF CMC, METHOD FOR MAKING SAME, DISTRIBUTOR AND GAS TURBINE INCLUDING SAME - A turbine nozzle element including an inner annular platform sector, an outer annular platform sector, and at least one vane extending between the platform sectors and connected to both of them. The nozzle element includes a single piece of composite material including fiber reinforcement densified by a matrix that is at least partially ceramic, and the fiber reinforcement includes a fiber structure that is woven by three-dimensional or multi-layer weaving, and that presents continuity throughout the volume of the nozzle element and throughout the periphery of the vane. | 04-26-2012 |
20120258641 | FIBER REINFORCING TEXTURE FOR MAKING A COMPOSITE MATERIAL PART - A fiber reinforcing texture woven as a single part for fabricating a composite material part having an inner portion, or core, made by three-dimensional weaving with yarns made up from discontinuous fibers, and a portion adjacent to an outside surface, or skin, made by weaving with yarns made up from continuous filaments. | 10-11-2012 |
20120301691 | LOW-THICKNESS THERMOSTRUCTURAL COMPOSITE MATERIAL PART, AND MANUFACTURE METHOD - A thermostructural composite material part including carbon or ceramic fiber reinforcement densified by a matrix having at least one thin portion in which: the thickness of the part is less than 2 mm, or indeed less than 1 mm; the fiber reinforcement is made as a single thickness of multilayer fabric made of spread yarns having a weight of not less than 200 tex; the fiber volume ratio lies in the range 25% to 45%; and the ratio between the number of layers of the multilayer fabric and the thickness in millimeters of the part is not less than four. | 11-29-2012 |
20130017093 | AIRCRAFT PROPELLER BLADEAANM Coupe; DominiqueAACI Le HaillanAACO FRAAGP Coupe; Dominique Le Haillan FRAANM Dambrine; Bruno Jacques GerardAACI Le Chatelet en BrieAACO FRAAGP Dambrine; Bruno Jacques Gerard Le Chatelet en Brie FRAANM Mahieu; Jean-NoelAACI ParisAACO FRAAGP Mahieu; Jean-Noel Paris FR - An aircraft propeller blade including an airfoil-profile structure. The airfoil-profile structure includes at least one fiber reinforcement obtained by three-dimensional weaving of yarns and densified by a matrix, and a shaping part made of cellular rigid material of determined shape, the reinforcement including at least two halves linked together by continuous weaving in the leading edge of the propeller blade, the two halves fitting tightly around the shaping part. | 01-17-2013 |
20130017094 | METHOD OF FABRICATING A COMPOSITE MATERIAL BLADE HAVING INTERNAL CHANNELS, AND A COMPOSITE MATERIAL TURBINE ENGINE BLADEAANM Coupe; DominiqueAACI Le HaillanAACO FRAAGP Coupe; Dominique Le Haillan FRAANM Dambrine; Bruno Jacques GerardAACI Le Chatelet en BrieAACO FRAAGP Dambrine; Bruno Jacques Gerard Le Chatelet en Brie FRAANM Mahieu; Jean-NoelAACI ParisAACO FRAAGP Mahieu; Jean-Noel Paris FR - A turbine engine blade made of composite material including fiber reinforcement obtained by weaving a first plurality of yarns with a second plurality of yarns, the yarns of the first plurality of yarns being arranged in successive layers and extending in a longitudinal direction of the fiber blank corresponding to a longitudinal direction of the blade, the reinforcement being densified by a matrix. The blade includes one or more internal channels extending in the longitudinal direction of the blade. | 01-17-2013 |
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 |
20130108422 | COMPOSITE MATERIAL TURBOMACHINE ENGINE BLADE OR VANE, COMPRESSOR STATOR SEGMENT OR TURBINE NOZZLE SEGMENT INCORPORATING SUCH VANES AND METHOD FOR MANUFACTURING SAME | 05-02-2013 |
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 |
20140315457 | 3D WOVEN FIBER STRUCTURE, A FIBER PREFORM OBTAINED FROM SUCH A FIBER STRUCTURE, AND A COMPOSITE MATERIAL PART INCLUDING SUCH A PREFORM - A fiber preform is formed by a fiber structure woven by three-dimensional weaving with a plurality of layers of warp yarns interlinked by weft yarns of a plurality of layers of weft yarns, the fiber preform having a first portion and a second portion that extend one another in the weft direction and that are at an angle to each other. In the fold zone and in each weft plane of the fiber structure, two weft yarns situated in a region adjacent to an outside face of the fiber structure situated on the inside of the corner present paths that cross, so that less curvature is imposed on these yarns. | 10-23-2014 |
20140334935 | FIBROUS REINFORCEMENT STRUCTURE FOR COMPOSITE MATERIAL PART HAVING A REDUCED THICKNESS PORTION - A fiber structure reinforcing a composite material part woven as a single piece by multilayer weaving between plural first and second layers of yarns. The fiber structure includes a portion of decreasing thickness that presents: plural yarn withdrawal parts in surface continuity, with yarns interrupted from the first plural layers of yarns underlying the layer of yarns of the first plural layers of yarns situated in the surface of the structure; and plural yarn withdrawal parts in surface discontinuity, with yarns interrupted from the first plural layers of yams situated at the surface of the structure, each interrupted yarn replaced in the surface of the structure by a yarn of a layer of yarns underlying the first plural layers of yarns. The yarns of the second plural layers of yarns situated in the surface of the fiber structure are continuous over at least the entire portion of decreasing thickness. | 11-13-2014 |
20140369847 | FIBROUS STRUCTURE HAVING VARIABLE NUMBERING YARNS - A fiber structure for reinforcing a composite material part, the structure being woven as a single piece by multilayer weaving between a first plurality of layers of yarns extending in a first direction and a second plurality of layers of yarns extending in a second direction. The second plurality of layers of yarns includes at least one layer of variable-weight yarns, each variable-weight yarn including a separable assembly of individual yarns, each having a determined weight. The fiber structure includes at least one portion of reduced thickness in which the variable-weight yarn presents a weight that is less than the weight that it presents prior to the reduced thickness portion. | 12-18-2014 |
20140369848 | FIBER PREFORM FOR A TURBINE ENGINE BLADE MADE OF COMPOSITE MATERIAL AND HAVING AN INTEGRATED PLATFORM, AND A METHOD OF MAKING IT - A method of making a fiber preform, and the preform, for fabricating a turbine engine blade out of composite material, the method including: making a single-piece fiber blank by three-dimensional weaving with layers of longitudinal yarns interlinked by yarns of layers of transverse yarns; and shaping the fiber blank to obtain a single-piece fiber preform including a portion forming an airfoil preform and at least one portion forming a platform preform. During weaving, yarns of a first group of longitudinal yarns are extracted from the fiber blank beside one of side faces of the blank to form a portion corresponding to a blade platform preform, and yarns of a second group of longitudinal yarns are inserted into the fiber blank with mutual crossing of the yarns of the first group and the yarns of the second group. | 12-18-2014 |
20150114511 | JACQUARD LOOM HAVING OPTIMIZED WARP YARN DENSITY - A jacquard type loom for making a fabric by weaving plural warp yarns with plural weft yarns, the fabric including a determined number of columns of warp yarns per unit length and a determined number of layers of weft yarns. The loom includes a comber board including plural holes passing a corresponding number of control cords, each control cord including an heddle eye through which a warp yarn passes. The holes are distributed in a determined number of columns extending parallel to the warp yarn direction and a determined number of rows per column extending in a direction perpendicular to the warp yarn direction. The comber board includes a number of columns of holes per unit length smaller than the number of warp columns in the same unit length in the fabric, and a number of rows of holes greater than the number of warp layers in the fabric. | 04-30-2015 |
Patent application number | Description | Published |
20100273507 | TELECOMMUNICATION SYSTEM AND METHOD - A method for a user equipment to transmit a set of data to at least a first telecommunication network, said user equipment comprising a rechargeable power supply, said method comprising the acts of acquiring network related information from at least a second telecommunication network by the user equipment and initiating the transmission of a set of data to the at least first telecommunication network upon detection of the charging of the power supply, the set of data comprising said network related information. | 10-28-2010 |
20110130124 | STATUS PROMPT METHOD AND SYSTEM - A method for managing a user equipment in a social communication network, said user equipment comprising a user networking application, said user networking application comprising a configurable user status for displaying the status of the user to other users in the social communication network, said method comprising the acts of activating a status prompt upon a change of state of the user equipment by the user, receiving a user input of a status, and setting the configurable user status using the received user input. | 06-02-2011 |
20110320430 | OBJECT RECOMMENDATION METHOD AND SYSTEM - A method for recommending an object in a communication network using a bookmark, said method comprising, for an object search engine in the communication network, the acts of indexing a bookmark created by a first user in association with search keywords comprising an identifier of the first user and an identifier of at least one second user with whom the first user wants to share the bookmark; providing to a second user, in response to a search request from said second user, a search result comprising a link usable for accessing an object linked with the bookmark. | 12-29-2011 |
20130176161 | OBJECT DETECTION METHOD, DEVICE AND SYSTEM - A method and apparatus are provided for detecting an object to be detected. The object is associated with a profile, wherein the profile characterizes the reflection of a signal on the object. The method includes, for a device in a telecommunication network, the acts of selecting a first profile corresponding to a first object to be detected; requesting, based on the first profile, a resource allocation to the communication network; receiving the resource allocation from the communication network; transmitting a signal in the direction of a second object using the allocated resource; receiving a reflected signal, corresponding to the reflection of the transmitted signal on the second object; computing a second profile using the received reflected signal; and indicating the detection of the first object to be detected when the second profile matches the first profile. | 07-11-2013 |