Patents by Inventor Thierry MAZET
Thierry MAZET 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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Patent number: 11404761Abstract: A method for depositing an electrically conductive metal onto at least one portion of the inner surface (3) of an internal cavity (2) of a waveguide (1) includes: preparing a suspension containing at least one liquid and at least one precursor of the electrically conductive metal in suspension in said at least one liquid; coating at least one portion of the inner surface (3) of the internal cavity (2) of the waveguide (1) with the suspension, and heat-treating at least said portion of the inner surface (3) of the internal cavity (2) of the waveguide (1) coated with the suspension. A method for manufacturing a metallized waveguide can implement this deposition method.Type: GrantFiled: July 31, 2020Date of Patent: August 2, 2022Assignees: AML FINANCES, UNIVERSITE DE LORRAINEInventors: Jean-Yves Milojevic, Régis Limbach, Léo Portebois, Nicolas Ramenatte, Thierry Mazet
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Patent number: 11280555Abstract: Method for brazing or refilling comprising the following steps: providing at least one part (51) containing a metal or metal alloy, for example stainless steel, the part (51) having at least one face (59) defining a plurality of interstices (61) comprising at least two opposite edges separated on the face (59) by a maximum distance of not more than 250 micrometres; obtaining a coating (R) in contact with said face and comprising at least a first layer (85), located at least partially in the interstices, and a second layer (87) adjacent to the first layer, the first layer (85) comprising a first powder (A) containing a metal or metal alloy, the second layer comprising a mixture of a second powder (B) and a third powder (C), the second powder and the third powder being, respectively, different alloys suitable for brazing or refilling the part, and the solidus temperature TSC of the third powder being lower than the solidus temperature TSB of the second powder; heating the part and the coating at a heating teType: GrantFiled: May 17, 2018Date of Patent: March 22, 2022Assignee: STIRALInventors: Thierry Mazet, Pierre Billat
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Patent number: 11219948Abstract: A method and a device are provided for removing surface oxides on nodules of a metal powder, before the nodules of the metal powder are used in an industrial process in which the nodules of the metal powder are assembled via a solid route or via a liquid route. In the method and the device, the surface oxides are stripped from the nodules of the metal powder by bringing the nodules of the metal powder into contact with vapour from at least one of: sublimation of a stripping solid material, and sublimation of the stripping solid material followed by a chemical transformation of a product of the sublimation.Type: GrantFiled: July 8, 2016Date of Patent: January 11, 2022Assignee: AddUpInventor: Thierry Mazet
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Publication number: 20210036397Abstract: A method for depositing an electrically conductive metal onto at least one portion of the inner surface (3) of an internal cavity (2) of a waveguide (1) includes: preparing a suspension containing at least one liquid and at least one precursor of the electrically conductive metal in suspension in said at least one liquid; coating at least one portion of the inner surface (3) of the internal cavity (2) of the waveguide (1) with the suspension, and heat-treating at least said portion of the inner surface (3) of the internal cavity (2) of the waveguide (1) coated with the suspension. A method for manufacturing a metallized waveguide can implement this deposition method.Type: ApplicationFiled: July 31, 2020Publication date: February 4, 2021Applicants: AML FINANCES, UNIVERSITE DE LORRAINEInventors: Jean-Yves Milojevic, Régis Limbach, Léo Portebois, Nicolas Ramenatte, Thierry Mazet
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Patent number: 10788274Abstract: A metal matrix (2) for a heat exchanger (1), comprising a stack of components (4, 5, 6), in particular etched plates or corrugations (4), separator sheets (5) and bars (6), or a combination of the two types of stack, said components (4, 5, 6) being held relative to one another by layers of braze material (3), thereby ensuring the mechanical integrity of the matrix, the matrix including fluid circulation passages (10) within it, each fluid circulation passage (10) having an inner wall provided to fully contain said fluid radially, characterized in that each inner wall is fully covered with a corrosion-resistant coating (7). Preferred application to heat exchangers based on carbon steel or stainless steel.Type: GrantFiled: October 29, 2015Date of Patent: September 29, 2020Assignee: FIVES CRYOInventors: Thierry Mazet, Johan Dib, Florian Henri Ernest Picard
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Publication number: 20200173727Abstract: Method for brazing or refilling comprising the following steps: providing at least one part (51) containing a metal or metal alloy, for example stainless steel, the part (51) having at least one face (59) defining a plurality of interstices (61) comprising at least two opposite edges separated on the face (59) by a maximum distance of not more than 250 micrometres; obtaining a coating (R) in contact with said face and comprising at least a first layer (85), located at least partially in the interstices, and a second layer (87) adjacent to the first layer, the first layer (85) comprising a first powder (A) containing a metal or metal alloy, the second layer comprising a mixture of a second powder (B) and a third powder (C), the second powder and the third powder being, respectively, different alloys suitable for brazing or refilling the part, and the solidus temperature TSC of the third powder being lower than the solidus temperature TSB of the second powder; heating the part and the coating at a heating teType: ApplicationFiled: May 17, 2018Publication date: June 4, 2020Inventors: Thierry MAZET, Pierre BILLAT
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Patent number: 10227684Abstract: Process for depositing a coating on a substrate having at least one cavity, comprising a step of mixing ground powders of an activating agent and a powder of the metal or of the alloy to be deposited on the substrate that were ground in step a) and a liquid so as to form a suspension, and a step of applying the suspension to the portion of the substrate to be coated.Type: GrantFiled: February 4, 2014Date of Patent: March 12, 2019Assignees: L'Air Liquide Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude, Centre National De La Recherche Scientifique, Universite De LorraineInventors: Nicolas Richet, Thierry Mazet, Michel Vilasi, Stephane Mathieu
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Patent number: 10053780Abstract: Process for depositing a corrosion-protection coating on at least one portion of the surfaces of a metallic substrate having at least one cavity with an equivalent diameter emm<2 mm and a length/width ratio of greater than 150, using an aqueous suspension comprising powder of the metal to be deposited on the substrate combined with an agent for protecting the surface of the metal powder, a diluent, and at least one additive, the particles of the suspension each having an equivalent diameter d such that d?emm/10.Type: GrantFiled: September 17, 2014Date of Patent: August 21, 2018Assignees: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude, Centre National de la Recherche Scientifique, Université de Lorraine, Université de LimogesInventors: Thierry Chartier, Pascal Del-Gallo, Sebastien Doublet, Thierry Mazet, Laurent Prost, Nicolas Ramenatte, Fabrice Rossignol, Michel Vilasi
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Publication number: 20180221946Abstract: Method and device which make it possible to remove the oxides present at the surface of nodules of a metal powder before the use of the latter in an industrial process for the assembling of powder by the solid or liquid route, characterized in that it consists in stripping the said metal powder by bringing the latter into contact with vapour from a stripping solid material and/or by sublimation of a stripping solid material followed by a chemical transformation.Type: ApplicationFiled: July 8, 2016Publication date: August 9, 2018Inventor: THIERRY MAZET
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Patent number: 9915484Abstract: Process for producing an element comprising a multilayer architecture, the layers of which comprise primary channels on their upper faces, said process comprising the following successive steps: (a) producing secondary channels on the lower faces of each layer, each secondary channel being intended to be facing a primary channel of the neighboring lower layer within the architecture, (b) depositing a coating that protects against oxidation at a temperature of between 500° C. and 1000° C. and against corrosion over all of the lower and upper surfaces of the layers, (c) sanding or mechanical cleaning of the surfaces intended to be assembled, and (d) assembling via superposition of the various layers so that each secondary channel of a lower face of an upper layer is facing and is centered on a primary channel of the neighboring lower layer, the width of each secondary channel being greater than the width of the primary channel which it is facing within the architecture.Type: GrantFiled: March 17, 2014Date of Patent: March 13, 2018Assignees: L'AIR LIQUIDE SOCIÉTÉ ANONYME POUR L'ÉTUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE LORRAINEInventors: Damien Sallais, Laurent Prost, Pascal Del-Gallo, Marc Wagner, Michel Vilasi, Thierry Mazet, Stephane Mathieu
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Publication number: 20170314879Abstract: A metal matrix (2) for a heat exchanger (1), comprising a stack of components (4, 5, 6), in particular etched plates or corrugations (4), separator sheets (5) and bars (6), or a combination of the two types of stack, said components (4, 5, 6) being held relative to one another by layers of braze material (3), thereby ensuring the mechanical integrity of the matrix, the matrix including fluid circulation passages (10) within it, each fluid circulation passage (10) having an inner wall provided to fully contain said fluid radially, characterized in that each inner wall is fully covered with a corrosion-resistant coating (7). Preferred application to heat exchangers based on carbon steel or stainless steel.Type: ApplicationFiled: October 29, 2015Publication date: November 2, 2017Applicant: FIVES CRYOInventors: Thierry MAZET, Johan DIB, Florian Henri Ernest PICARD
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Publication number: 20160317990Abstract: The invention relates to a compact catalytic reactor comprising at least three plates with at least one area of millimetric channels on each plate, promoting heat exchange, and at least one distribution area upstream and/or downstream of the area of millimetric channels, the channels being separated by walls. The distribution areas are characterized by: the discontinuity of the walls along the distribution area on the side of the inflow of gaseous flows or on the side of the outflow thereof; and the increase in the width of the walls along the distribution area on the side of the inflow of gaseous flows or on the side of the outflow thereof.Type: ApplicationFiled: December 4, 2014Publication date: November 3, 2016Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, Centre National De La Recherche Scientifique, Universite De Lorraiine, Fives CryoInventors: Solene VALENTIN, Laurent PROST, Olivier DUBET, Matthieu FLIN, Jean-Marc COMMENGE, Guislain GENIN, Laurent FALK, Johan DIB, Thierry MAZET
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Publication number: 20160237574Abstract: Process for depositing a corrosion-protection coating on at least one portion of the surfaces of a metallic substrate having at least one cavity with an equivalent diameter emm<2 mm and a length/width ratio of greater than 150, using an aqueous suspension comprising powder of the metal to be deposited on the substrate combined with an agent for protecting the surface of the metal powder, a diluent, and at least one additive, the particles of the suspension each having an equivalent diameter d such that d?emm/10.Type: ApplicationFiled: September 17, 2014Publication date: August 18, 2016Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude, Centre National de la Recherche Scientifique, Universite de Limoges, Universite de LorraineInventors: Thierry CHARTIER, Pascal DEL-GALLO, Sebastien DOUBLET, Thierry MAZET, Laurent PROST, Nicolas RAMENATTE, Fabrice ROSSIGNOL, Michel VILASI
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Publication number: 20160216039Abstract: A heat exchanger metal matrix has a stack of components in which at least one of the components is bound by an adhesive layer based on an epoxide resin containing a corrosion inhibitor, and the adhesive layer is loaded with 20 to 60% by mass of a heat conductor so that a heat conductivity of the adhesive layer is in a range of 2 to 5 W/m/K. The heat exchanger metal matrix may be applied to corrosive environments, notably marine environments.Type: ApplicationFiled: August 22, 2014Publication date: July 28, 2016Inventors: Gaëtan Joël Bergin, Thierry Mazet, Salima Bouti
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Publication number: 20160061539Abstract: Process for producing an element comprising a multilayer architecture, the layers of which comprise primary channels on their upper faces, said process comprising the following successive steps: (a) producing secondary channels on the lower faces of each layer, each secondary channel being intended to be facing a primary channel of the neighboring lower layer within the architecture, (b) depositing a coating that protects against oxidation at a temperature of between 500° C. and 1000° C. and against corrosion over all of the lower and upper surfaces of the layers, (c) sanding or mechanical cleaning of the surfaces intended to be assembled, and (d) assembling via superposition of the various layers so that each secondary channel of a lower face of an upper layer is facing and is centered on a primary channel of the neighboring lower layer, the width of each secondary channel being greater than the width of the primary channel which it is facing within the architecture.Type: ApplicationFiled: March 17, 2014Publication date: March 3, 2016Applicants: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE LORRAINEInventors: Damien SALLAIS, Laurent PROST, Pascal DEL-GALLO, Marc WAGNER, Michei VILASI, Thierry MAZET, Stephane MATHIEU
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Publication number: 20160054072Abstract: A heat exchanger and a method for producing said exchanger, comprising a matrix consisting of a stack of etched plates or of a stack of waves, separating sheets and bars, or a combination of the two types of stack, a fluid dispensing head, and an intermediate assembly for connecting the dispensing head to the matrix, wherein the intermediate assembly is fitted and assembled to the matrix in a single step and also forms a position holder for the etched plates and/or the separating sheets and the bars of the matrix stack.Type: ApplicationFiled: April 9, 2014Publication date: February 25, 2016Inventors: Thierry Mazet, Johan Dib
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Publication number: 20150376757Abstract: Process for depositing a coating on a substrate having at least one cavity, comprising a step of mixing ground powders of an activating agent and a powder of the metal or of the alloy to be deposited on the substrate that were ground in step a) and a liquid so as to form a suspension, and a step of applying the suspension to the portion of the substrate to be coated.Type: ApplicationFiled: February 4, 2014Publication date: December 31, 2015Applicants: L'Air Liquide, Societe Anonyme pour I'Exploitation des Procedes Georges Claude, Centre National De La Recherche Scientifique, Universite De LorraineInventors: Nicolas RICHET, Thierry MAZET, Michel VILASI, Stephane MATHIEU
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Publication number: 20150368782Abstract: The use of a cement in a process for pack cementation deposition on a substrate having cavities of minimum equivalent diameter ecm, characterized in that the cement consists of spherical particles each having a diameter d such that d?ecm/10.Type: ApplicationFiled: February 4, 2014Publication date: December 24, 2015Applicants: L'Air Liquide, Societe Anonyme pour l'Etude et Exploitation des Procedes Georges Claude, Centre National De La Recherche Scientifique, Universite De LorraineInventors: Nicolas RICHET, Thierry MAZET, Michel VILASI, Stephane MATHIEU