Patents by Inventor Lisa PIN
Lisa PIN 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: 11933181Abstract: An abradable coating for a turbomachine part, includes a matrix made of a first metal material and particles made of a second metal material that are dispersed in the matrix, the first metal material having a melting temperature greater than 900° C., the second metal material having a melting temperature at least 50° C. lower than the melting temperature of the first metal material.Type: GrantFiled: May 17, 2022Date of Patent: March 19, 2024Assignee: SAFRAN AIRCRAFT ENGINESInventors: Philippe Charles Alain Le Biez, Nicolas Droz, Lisa Pin, Serge Georges Vladimir Selezneff
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Publication number: 20240051884Abstract: A method for coating a ceramic matrix composite part with an environmental barrier, includes a) applying, to the surface of the part, a coating composition including a first powder of a rare earth silicate and a second powder including boron, the coating composition having a ratio R=[mass of the second powder]/[mass of the first powder] of between 0.1% and 5%, wherein the second powder includes a boron powder, and b) sintering the first and second powders in order to obtain the environmental barrier on the part.Type: ApplicationFiled: October 10, 2023Publication date: February 15, 2024Inventors: Simon ARNAL, Lisa PIN
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Patent number: 11814325Abstract: A method for coating a ceramic matrix composite part with an environmental barrier, the method including a) applying, to a surface of the part, a coating composition including a first powder of a rare earth silicate and a second powder including boron, the coating composition having a ratio R=[mass of the second powder]/[mass of the first powder] of between 0.1% and 5%, and b) sintering the first and second powders to obtain the environmental barrier on the part.Type: GrantFiled: February 25, 2021Date of Patent: November 14, 2023Assignee: SAFRAN CERAMICSInventors: Simon Arnal, Lisa Pin
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Publication number: 20230250034Abstract: A method for manufacturing an environmental barrier comprising the steps of coating a rare earth silicate powder with a precursor of a densification agent in order to form a rare earth silicate powder coated with the precursor of the densification agent, thermally spraying the coated powder onto a substrate in order to obtain an at least partially amorphous environmental barrier on the substrate and thermally treating the environmental barrier in order to crystallize and densify the environmental barrier.Type: ApplicationFiled: June 22, 2021Publication date: August 10, 2023Applicant: SAFRAN CERAMICSInventors: Lisa PIN, Luc Patrice BIANCHI, Sophie Olivia Michele BOUDET, Jimmy James MARTHE
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Patent number: 11713283Abstract: A part includes a substrate, having, adjacent to a surface of the substrate, at least a portion that is made from a material that contains silicon, and an environmental barrier formed on the surface of the substrate, the environmental barrier including at least a first layer including a rare earth disilicate of formula REa2Si2O7 present at a molar content lying in the range 70% to 99.9%, where REa is a rare earth element; and at least one rare earth oxide of formula REb2O3 present at a molar content lying in the range 0.1% to 30%, where REb is a rare earth element different from REa.Type: GrantFiled: January 4, 2018Date of Patent: August 1, 2023Assignees: SAFRAN CERAMICS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE BORDEAUXInventors: Lisa Pin, Simon Arnal, Francis Rebillat, Fabrice Mauvy
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Publication number: 20230121823Abstract: A method for coating a ceramic matrix composite part with an environmental barrier, the method including a) applying, to a surface of the part, a coating composition including a first powder of a rare earth silicate and a second powder including boron, the coating composition having a ratio R=[mass of the second powder]/[mass of the first powder] of between 0.1% and 5%, and b) sintering the first and second powders to obtain the environmental barrier on the part.Type: ApplicationFiled: February 25, 2021Publication date: April 20, 2023Inventors: Simon ARNAL, Lisa PIN
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Publication number: 20230087593Abstract: Assembly in a turbine comprising: —at least one turbine ring made of a ceramic composite having a silicon carbide SiC matrix and fibers, the ring comprising a plurality of sectors (10) arranged circumferentially end to end, each of the ring sectors (10) comprises at least one circumferential edge (26, 28) provided with at least one slot (30a, 30b, 30c) opening circumferentially, —at least one sealing member being inserted for a first part into one of the slots (30a, 30b, 30c) of an edge of a first ring sector and for a second part into one of the slots (30a, 30b, 30c) of an edge of a second ring sector, circumferentially adjacent to the first ring sector, the assembly being characterized in that the sealing member is made of a ceramic matrix composite.Type: ApplicationFiled: February 19, 2021Publication date: March 23, 2023Inventors: Maxime François Roger CARLIN, Adèle LYPRENDI, Jean-François HENNE, Lisa PIN
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Patent number: 11505508Abstract: A part includes a substrate having, adjacent to a surface of the substrate, at least a portion that is made of a material that contains silicon, and an environmental barrier formed on the surface of the substrate, the environmental barrier including a first layer including at least one first rare earth silicate and presenting grains with a mean size less than or equal to 1 ?m; and a second layer covering the first layer, the second layer including at least one rare earth silicate and presenting grains with a mean size greater than 1 ?m.Type: GrantFiled: December 29, 2017Date of Patent: November 22, 2022Assignees: SAFRAN CERAMICS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITE DE BORDEAUXInventors: Lisa Pin, Simon Arnal, Francis Rebillat, Fabrice Mauvy
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Publication number: 20220282634Abstract: An abradable coating for a turbomachine part, includes a matrix made of a first metal material and particles made of a second metal material that are dispersed in the matrix, the first metal material having a melting temperature greater than 900° C., the second metal material having a melting temperature at least 50° C. lower than the melting temperature of the first metal material.Type: ApplicationFiled: May 17, 2022Publication date: September 8, 2022Inventors: Philippe Charles Alain LE BIEZ, Nicolas DROZ, Lisa PIN, Serge Georges Vladimir SELEZNEFF
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Patent number: 11359508Abstract: An abradable coating includes a matrix and particles that are dispersed in the matrix, the particles being made of a material switching into a fluid phase under the effect of the increase in temperature upon contact between a tip of a blading and the abradable coating.Type: GrantFiled: August 20, 2019Date of Patent: June 14, 2022Assignee: SAFRAN AIRCRAFT ENGINESInventors: Philippe Charles Alain Le Biez, Nicolas Droz, Lisa Pin, Serge Georges Vladimir Selezneff
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Publication number: 20210172331Abstract: An abradable coating includes a matrix and particles that are dispersed in the matrix, the particles being made of a material switching into a fluid phase under the effect of the increase in temperature upon contact between a tip of a blading and the abradable coating.Type: ApplicationFiled: August 20, 2019Publication date: June 10, 2021Inventors: Philippe Charles Alain LE BIEZ, Nicolas DROZ, Lisa PIN, Serge Georges Vladimir SELEZNEFF
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Patent number: 10988417Abstract: A part made of composite material includes fiber reinforcement including silicon carbide fibers presenting an oxygen content less than or equal to 1 % in atomic percentage; and a matrix present in the pores of the fiber reinforcement and including at least one sintered silicate phase including at least one rare earth silicate, mullite, or a mixture of mullite and of at least one rare earth silicate, the matrix including at least a first phase including mullite and a second phase, different from the first phase, including at least one rare earth silicate.Type: GrantFiled: May 11, 2017Date of Patent: April 27, 2021Assignee: SAFRAN CERAMICSInventors: Eric Bouillon, Aurélia Clerambourg, Lisa Pin, David Marsal
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Patent number: 10724399Abstract: A turbine ring sector made of ceramic matrix composite material has a portion forming an annular base with an inner face for defining the inner face of a turbine ring when the ring sector is mounted on a ring support structure and an outer face from which there extends an attachment portion for attaching the ring sector to the ring support structure, the ring sector further including inter-sector faces, each for facing a neighboring ring sector when the ring sector is mounted on the ring support structure; wherein the inter-sector faces are coated in an environmental barrier that is doped with an electrically-conductive compound and that presents at least one slot.Type: GrantFiled: February 16, 2017Date of Patent: July 28, 2020Assignee: SAFRAN CERAMICSInventors: Maxime Carlin, Lisa Pin
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Publication number: 20190345074Abstract: A part includes a substrate having, adjacent to a surface of the substrate, at least a portion that is made of a material that contains silicon, and an environmental barrier formed on the surface of the substrate, the environmental barrier including a first layer including at least one first rare earth silicate and presenting grains with a mean size less than or equal to 1 ?m; and a second layer covering the first layer, the second layer including at least one rare earth silicate and presenting grains with a mean size greater than 1 ?m.Type: ApplicationFiled: December 29, 2017Publication date: November 14, 2019Inventors: Lisa PIN, Simon ARNAL, Francis REBILLAT, Fabrice MAUVY
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Publication number: 20190330121Abstract: A part includes a substrate, having, adjacent to a surface of the substrate, at least a portion that is made from a material that contains silicon, and an environmental barrier formed on the surface of the substrate, the environmental barrier including at least a first layer including a rare earth disilicate of formula REa2Si2O7 present at a molar content lying in the range 70% to 99.9%, where REa is a rare earth element; and at least one rare earth oxide of formula REb2O3 present at a molar content lying in the range 0.1% to 30%, where REb is a rare earth element different from REa.Type: ApplicationFiled: January 4, 2018Publication date: October 31, 2019Inventors: Lisa PIN, Simon ARNAL, Francis REBILLAT, Fabrice MAUVY
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Publication number: 20190152861Abstract: A part made of composite material includes fiber reinforcement including silicon carbide fibers presenting an oxygen content less than or equal to 1% in atomic percentage; and a matrix present in the pores of the fiber reinforcement and including at least one sintered silicate phase including at least one rare earth silicate, mullite, or a mixture of mullite and of at least one rare earth silicate, the matrix including at least a first phase including mullite and a second phase, different from the first phase, including at least one rare earth silicate.Type: ApplicationFiled: May 11, 2017Publication date: May 23, 2019Inventors: Eric BOUILLON, Aurélia CLERAMBOURG, Lisa PIN, David MARSAL
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Publication number: 20190040761Abstract: A turbine ring sector made of ceramic matrix composite material has a portion forming an annular base with an inner face for defining the inner face of a turbine ring when the ring sector is mounted on a ring support structure and an outer face from which there extends an attachment portion for attaching the ring sector to the ring support structure, the ring sector further including inter-sector faces, each for facing a neighboring ring sector when the ring sector is mounted on the ring support structure; wherein the inter-sector faces are coated in an environmental barrier that is doped with an electrically-conductive compound and that presents at least one slot.Type: ApplicationFiled: February 16, 2017Publication date: February 7, 2019Applicant: SAFRAN CERAMICSInventors: Maxime CARLIN, Lisa PIN