Patents by Inventor Nicolas Eberling-Fux
Nicolas Eberling-Fux has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240001590Abstract: A tooling for infiltrating a slurry into a textile preform includes a mold which includes an impregnation chamber including, on one of its face, an element for filtering a liquid phase of the slurry intended to receive a first face of a textile preform, the impregnation chamber being closed by a counter-mold located facing the filtration element; and an output vent present on the mold and configured to eliminate a filtrate of the filtration element at an elimination pressure, wherein the tooling also includes a circulation system for a slurry including an input port and an output port, the circulation system being configured to circulate the slurry in the impregnation chamber from the input port to the output port at a circulation pressure greater than the elimination pressure.Type: ApplicationFiled: June 28, 2023Publication date: January 4, 2024Inventors: Bertrand Léon Marie DESJOYEAUX, Nicolas EBERLING-FUX, Paul CARMINATI
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Patent number: 11753947Abstract: Method for manufacturing a CMC, i.e. ceramic matrix composite material, part provided with at least one cutout, as well as to such a CMC part provided with at least one cutout, the method comprising the following steps: providing (E1) a fibrous reinforcement (10), forming (E2?) a cavity in a portion of the fibrous reinforcement (10), injecting (E3) a slip comprising at least a ceramic powder and a solvent, the slip being injected so as to impregnate the fibrous reinforcement (10?) and to fill the cavity of the fibrous reinforcement (10?), drying (E4) the obtained assembly, carrying out a densification (E6) by infiltration of a liquid densification material and solidification of said densification material, machining (E7) at least one cutout in the obtained blank (30) within the volume corresponding to the cavity of the fibrous reinforcement (10).Type: GrantFiled: September 13, 2018Date of Patent: September 12, 2023Assignee: SAFRAN CERAMICSInventors: Maxime François Roger Carlin, Nicolas Eberling-Fux, Eddy Goullianne, Thierry Guy Xavier Tesson
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Patent number: 11746065Abstract: A method for manufacturing a part made of composite material in which an adhesion promoter is grafted to a coating present on the fibre surface as well as to a ceramic precursor resin. Afterwards, a ceramic matrix phase is formed in the porosity of the fibre preform by pyrolysis of the polymerised resin.Type: GrantFiled: June 2, 2021Date of Patent: September 5, 2023Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, SAFRAN CERAMICS, UNIVERSITE DE BORDEAUX, UNIVERSITE DE MONTPELLIER, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Nicolas Eberling-Fux, Marion France Hélène Schmidt, Samuel Jean-Charles Bernard
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Patent number: 11746060Abstract: A method for manufacturing a part made of composite material includes forming a ceramic matrix phase in pores of a fibrous preform by pyrolysis of a cross-linked copolymer ceramic precursor, the cross-linked copolymer including a first precursor macromolecular chain of a first ceramic having free carbon, and a second precursor macromolecular chain of a second ceramic having free silicon, the first macromolecular chain being bonded to the second macromolecular chain by cross-linking bridges including a bonding structure of formula *1—X—*2; in this formula, X designates boron or aluminium, -*1 designates the bond to the first macromolecular chain and -*2 the bond to the second macromolecular chain.Type: GrantFiled: June 2, 2021Date of Patent: September 5, 2023Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, SAFRAN CERAMICS, UNIVERSITE DE BORDEAUX, UNIVERSITE DE MONTPELLIER, ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIERInventors: Marion France Hélène Schmidt, Samuel Jean-Charles Bernard, Nicolas Eberling-Fux
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Publication number: 20230192567Abstract: A method for manufacturing a part made of composite material in which an adhesion promoter is grafted to a coating present on the fibre surface as well as to a ceramic precursor resin. Afterwards, a ceramic matrix phase is formed in the porosity of the fibre preform by pyrolysis of the polymerised resin.Type: ApplicationFiled: June 2, 2021Publication date: June 22, 2023Inventors: Nicolas EBERLING-FUX, Marion France Hélène SCHMIDT, Samuel Jean-Charles BERNARD
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Publication number: 20230192559Abstract: A method for manufacturing a part made of composite material includes forming a ceramic matrix phase in pores of a fibrous preform by pyrolysis of a cross-linked copolymer ceramic precursor, the cross-linked copolymer including a first precursor macromolecular chain of a first ceramic having free carbon, and a second precursor macromolecular chain of a second ceramic having free silicon, the first macromolecular chain being bonded to the second macromolecular chain by cross-linking bridges including a bonding structure of formula *1—X—*2; in this formula, X designates boron or aluminium, -*1 designates the bond to the first macromolecular chain and -*2 the bond to the second macromolecular chain.Type: ApplicationFiled: June 2, 2021Publication date: June 22, 2023Inventors: Marion France Hélène SCHMIDT, Samuel Jean-Charles BERNARD, Nicolas EBERLING-FUX
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Patent number: 11255203Abstract: A method for manufacturing a part made of composite material includes injecting into a fibrous texture a slurry including at least one powder of refractory ceramic particles suspended in a liquid phase, filtering the liquid phase of the slurry and retaining the powder of refractory ceramic particles inside the texture so as to obtain a fibrous preform loaded with refractory ceramic particles, densifying the fibrous texture by treatment of the refractory ceramic particles present in the fibrous texture in order to form a refractory matrix in the texture. The method further includes, before injecting the slurry under pressure, pre-saturating the fibrous texture with a carrier fluid consisting in injecting into said texture a carrier fluid.Type: GrantFiled: September 19, 2018Date of Patent: February 22, 2022Assignee: SAFRAN CERAMICSInventors: Nicolas Eberling-Fux, Eddy Goullianne, William Ros
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Patent number: 10882795Abstract: A process for manufacturing a composite part includes introducing an adhesion promoter into the pores of a fibrous preform formed by threads covered with a coating having —OH groups on its surface, the adhesion promoter including an electron-withdrawing group G1 that is reactive according to a reaction of substitution or of nucleophilic addition with the —OH groups, and a reactive group G2; grafting the adhesion promoter to the surface of the coating by a reaction of substitution or nucleophilic addition of the —OH groups on the group G1; introducing a ceramic precursor resin into the pores of the fibrous preform; polymerizing the resin introduced and bonding the grafted adhesion promoter to the resin by chemical reaction between these two compounds at the level of the group G2, and forming a ceramic matrix phase in the pores of the fibrous preform by pyrolysis of the polymerized resin.Type: GrantFiled: June 13, 2018Date of Patent: January 5, 2021Assignees: SAFRAN CERAMICS, ARIANEGROUP SASInventors: Nicolas Eberling-Fux, Eric Bouillon, Guy Jacob, Eddy Goullianne
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Publication number: 20200269468Abstract: A method for manufacturing a part made of composite material includes injecting into a fibrous texture a slurry including at least one powder of refractory ceramic particles suspended in a liquid phase, filtering the liquid phase of the slurry and retaining the powder of refractory ceramic particles inside the texture so as to obtain a fibrous preform loaded with refractory ceramic particles, densifying the fibrous texture by treatment of the refractory ceramic particles present in the fibrous texture in order to form a refractory matrix in the texture. The method further includes, before injecting the slurry under pressure, pre-saturating the fibrous texture with a carrier fluid consisting in injecting into said texture a carrier fluid.Type: ApplicationFiled: September 19, 2018Publication date: August 27, 2020Inventors: Nicolas EBERLING-FUX, Eddy GOULLIANNE, William ROS
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Publication number: 20200255344Abstract: Method for manufacturing a CMC, i.e. ceramic matrix composite material, part provided with at least one cutout, as well as to such a CMC part provided with at least one cutout, the method comprising the following steps: providing (E1) a fibrous reinforcement (10), forming (E2?) a cavity in a portion of the fibrous reinforcement (10), injecting (E3) a slip comprising at least a ceramic powder and a solvent, the slip being injected so as to impregnate the fibrous reinforcement (10?) and to fill the cavity of the fibrous reinforcement (10?), drying (E4) the obtained assembly, carrying out a densification (E6) by infiltration of a liquid densification material and solidification of said densification material, machining (E7) at least one cutout in the obtained blank (30) within the volume corresponding to the cavity of the fibrous reinforcement (10).Type: ApplicationFiled: September 13, 2018Publication date: August 13, 2020Applicant: Safran CeramicsInventors: Maxime François Roger CARLIN, Nicolas EBERLING-FUX, Eddy GOULLIANNE, Thierry Guy Xavier TESSON
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Publication number: 20200131090Abstract: A process for manufacturing a composite part includes introducing an adhesion promoter into the pores of a fibrous preform formed by threads covered with a coating having —OH groups on its surface, the adhesion promoter including an electron-withdrawing group G1 that is reactive according to a reaction of substitution or of nucleophilic addition with the —OH groups, and a reactive group G2; grafting the adhesion promoter to the surface of the coating by a reaction of substitution or nucleophilic addition of the —OH groups on the group G1; introducing a ceramic precursor resin into the pores of the fibrous preform; polymerizing the resin introduced and bonding the grafted adhesion promoter to the resin by chemical reaction between these two compounds at the level of the group G2, and forming a ceramic matrix phase in the pores of the fibrous preform by pyrolysis of the polymerized resin.Type: ApplicationFiled: June 13, 2018Publication date: April 30, 2020Inventors: Nicolas EBERLING-FUX, Eric BOUILLON, Guy JACOB, Eddy GOUILLIANNE
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Patent number: 9404185Abstract: A method of smoothing the surface of a ceramic matrix composite material part that presents a surface that is undulating and rough. The method includes depositing a refractory vitreous coating on the surface of the part, the vitreous coating essentially containing silica, alumina, baryte, and lime.Type: GrantFiled: August 25, 2014Date of Patent: August 2, 2016Assignees: HERAKLES, SNECMAInventors: Eric Bouillon, Nicolas Eberling-Fux, Serge Chateigner
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Patent number: 9238595Abstract: A method of smoothing the surface of a ceramic matrix composite part presenting a surface that is undulating and rough. The method includes forming a ceramic coating on the surface of the part, the coating being made by applying a liquid composition on the surface of the part, the composition containing a ceramic-precursor polymer and a factory solid filler, curing the polymer, and transforming the cured polymer into ceramic by heat treatment. The method further includes impregnating the ceramic coating with a liquid metallic composition.Type: GrantFiled: December 2, 2009Date of Patent: January 19, 2016Assignees: HERAKLES, SNECMAInventors: Eric Bouillon, Nicolas Eberling-Fux, Serge Chateigner
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Patent number: 9188013Abstract: A turbine engine turbine blade of ceramic matrix composite. The root of the blade includes a single densified fiber preform including at least one recess made by machining, each point of the root of the blade being situated at a distance from a free surface of the root that is no greater than twice the maximum penetration distance into the preform of densification gas for densifying the preform, and the distal portion of the root of the blade includes a distal wall that is continuous and in a single piece.Type: GrantFiled: December 8, 2010Date of Patent: November 17, 2015Assignees: SNECMA, HERAKLESInventors: Son Le Hong, Jean-Luc Soupizon, Nicolas Christian Triconnet, Nicolas Eberling-Fux, Clement Roussille
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Patent number: 9080454Abstract: 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, forming a single part with incorporated inner and/or outer platform.Type: GrantFiled: November 26, 2009Date of Patent: July 14, 2015Assignees: SNECMA, HERAKLESInventors: Dominique Coupe, Clément Roussille, Jonathan Goering, Julien Mateo, Nicolas Eberling-Fux, Guillaume Renon
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Patent number: 9062562Abstract: A method for fabricating a turbomachine blade or vane of composite material including fiber reinforcement densified by a matrix is disclosed. The method includes: 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 blade platform preform; and densifying the preform with a matrix to obtain a composite material blade or vane having fiber reinforcement constituted by the preform and densified by the matrix, forming a single part with at least one incorporated platform.Type: GrantFiled: September 7, 2012Date of Patent: June 23, 2015Assignees: HERAKLES, SNECMAInventors: Dominique Coupe, Clement Roussille, Jonathan Goering, Julien Mateo, Nicolas Eberling-Fux, Guillaume Renon, Antoine Jean-Philippe Beaujard, Elric Georges Andre Fremont
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Patent number: 8980027Abstract: The method comprises the steps of: forming a porous fiber-reinforcing structure; introducing into the pores of the fiber structure powders containing elements for constituting the composite material matrix; and forming at least a main fraction of the matrix from said powders by causing a reaction to take place between said powders or between at least a portion of said powders and at least one delivered additional element; the powders introduced into the fiber structure and the delivered additional element(s) comprising elements that form at least one healing discontinuous matrix phase including a boron compound and at least one discontinuous matrix phase including a crack-deflecting compound of lamellar structure. At least a main fraction of the matrix is formed by chemical reaction between the powders introduced into the fiber structure and at least one delivered additional element, or by sintering the powders.Type: GrantFiled: October 16, 2007Date of Patent: March 17, 2015Assignee: HeraklesInventors: René Pailler, Nicolas Eberling-Fux, Eric Philippe, Sébastien Bertrand
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Publication number: 20150004324Abstract: A method of smoothing the surface of a ceramic matrix composite material part that presents a surface that is undulating and rough. The method includes depositing a refractory vitreous coating on the surface of the part, the vitreous coating essentially containing silica, alumina, baryte, and lime.Type: ApplicationFiled: August 25, 2014Publication date: January 1, 2015Inventors: Eric BOUILLON, Nicolas EBERLING-FUX, Serge CHATEIGNER
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Patent number: 8846147Abstract: 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.Type: GrantFiled: November 26, 2009Date of Patent: September 30, 2014Assignees: Herakles, SnecmaInventors: Nicolas Eberling-Fux, Eric Bouillon, Clément Roussille, Stéphane Otin, Dominique Coupe
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Patent number: 8846218Abstract: A method of smoothing the surface of a ceramic matrix composite material part that presents a surface that is undulating and rough. The method includes depositing a refractory vitreous coating on the surface of the part, the vitreous coating essentially containing silica, alumina, baryte, and lime.Type: GrantFiled: March 31, 2010Date of Patent: September 30, 2014Assignees: Herakles, SNECMAInventors: Eric Bouillon, Nicolas Eberling-Fux, Serge Chateigner