Patents by Inventor Jean-yves Guedou
Jean-yves Guedou 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).
-
Patent number: 11725261Abstract: The invention relates to a nickel-based superalloy comprising, in percentages by mass, 4.0 to 5.5% rhenium, 1.0 to 3.0 ruthenium, 2.0 to 14.0% cobalt, 0.3 to 1.0% molybdenum, 3.0 to 5.0% chromium, 2.5 to 4.0% tungsten, 4.5 to 6.5% aluminum, 0.50 to 1.50% titanium, 8.0 to 9.0% tantalum, 0.15 to 0.30% hafnium, 0.05 to 0.15% silicon, the balance being nickel and unavoidable impurities. The invention also relates to a single-crystal blade (20A, 20B) comprising such an alloy and a turbomachine (10) comprising such a blade (20A, 20B).Type: GrantFiled: April 6, 2022Date of Patent: August 15, 2023Assignees: SAFRAN, OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALESInventors: Jérémy Rame, Virginie Jaquet, Joël Delautre, Jean-Yves Guedou, Pierre Caron, Odile Lavigne, Didier Locq, Mikael Perrut
-
Publication number: 20220364208Abstract: The invention relates to a nickel-based superalloy comprising, in percentages by mass, 4.0 to 5.5% rhenium, 1.0 to 3.0 ruthenium, 2.0 to 14.0% cobalt, 0.3 to 1.0% molybdenum, 3.0 to 5.0% chromium, 2.5 to 4.0% tungsten, 4.5 to 6.5% aluminum, 0.50 to 1.50% titanium, 8.0 to 9.0% tantalum, 0.15 to 0.30% hafnium, 0.05 to 0.15% silicon, the balance being nickel and unavoidable impurities. The invention also relates to a single-crystal blade (20A, 20B) comprising such an alloy and a turbomachine (10) comprising such a blade (20A, 20B).Type: ApplicationFiled: April 6, 2022Publication date: November 17, 2022Applicants: SAFRAN, OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALESInventors: Jérémy RAME, Virginie JAQUET, Joël DELAUTRE, Jean-Yves GUEDOU, Pierre CARON, Odile LAVIGNE, Didier LOCQ, Mikael PERRUT
-
Patent number: 11396685Abstract: A nickel-based superalloy comprises, in percentages by mass, 4.0 to 5.5% rhenium, 1.0 to 3.0 ruthenium, 2.0 to 14.0% cobalt, 0.3 to 1.0% molybdenum, 3.0 to 5.0% chromium, 2.5 to 4.0% tungsten, 4.5 to 6.5% aluminum, 0.50 to 1.50% titanium, 8.0 to 9.0% tantalum, 0.15 to 0.30% hafnium, 0.05 to 0.15% silicon, the balance being nickel and unavoidable impurities. A single-crystal blade comprises such an alloy and a turbomachine comprising such a blade.Type: GrantFiled: November 14, 2018Date of Patent: July 26, 2022Assignees: SAFRAN, OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALESInventors: Jérémy Rame, Virginie Jaquet, Joël Delautre, Jean-Yves Guedou, Pierre Caron, Odile Lavigne, Didier Locq, Mikael Perrut
-
Patent number: 11268170Abstract: A nickel-based superalloy comprises, in percentages by mass, 4.0 to 5.5% rhenium, 3.5 to 12.5% cobalt, 0.30 to 1.50% molybdenum, 3.5 to 5.5% chromium, 3.5 to 5.5% tungsten, 4.5 to 6.0% aluminum, 0.35 to 1.50% titanium, 8.0 to 10.5% tantalum, 0.15 to 0.30% hafnium, 0.05 to 0.15% silicon, the balance being nickel and unavoidable impurities. A single-crystal blade comprises such an alloy and a turbomachine comprising such a blade.Type: GrantFiled: November 14, 2018Date of Patent: March 8, 2022Assignees: SAFRAN, OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALESInventors: Jérémy Rame, Virginie Jaquet, Joël Delautre, Jean-Yves Guedou, Pierre Caron, Odile Lavigne, Didier Locq, Mikael Perrut
-
Publication number: 20210246533Abstract: A nickel-based superalloy comprises, in percentages by mass, 4.0 to 5.5% rhenium, 1.0 to 3.0 ruthenium, 2.0 to 14.0% cobalt, 0.3 to 1.0% molybdenum, 3.0 to 5.0% chromium, 2.5 to 4.0% tungsten, 4.5 to 6.5% aluminum, 0.50 to 1.50% titanium, 8.0 to 9.0% tantalum, 0.15 to 0.30% hafnium, 0.05 to 0.15% silicon, the balance being nickel and unavoidable impurities. A single-crystal blade comprises such an alloy and a turbomachine comprising such a blade.Type: ApplicationFiled: November 14, 2018Publication date: August 12, 2021Applicants: SAFRAN, OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALESInventors: Jérémy RAME, Virginie JAQUET, Joël DELAUTRE, Jean-Yves GUEDOU, Pierre CARON, Odile LAVIGNE, Didier LOCQ, Mikael PERRUT
-
Publication number: 20200299808Abstract: A nickel-based superalloy comprises, in percentages by mass, 4.0 to 5.5% rhenium, 3.5 to 12.5% cobalt, 0.30 to 1.50% molybdenum, 3.5 to 5.5% chromium, 3.5 to 5.5% tungsten, 4.5 to 6.0% aluminum, 0.35 to 1.50% titanium, 8.0 to 10.5% tantalum, 0.15 to 0.30% hafnium, 0.05 to 0.15% silicon, the balance being nickel and unavoidable impurities. A single-crystal blade comprises such an alloy and a turbomachine comprising such a blade.Type: ApplicationFiled: November 14, 2018Publication date: September 24, 2020Applicants: SAFRAN, OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALESInventors: Jérémy RAME, Virginie JAQUET, Joël DELAUTRE, Jean-Yves GUEDOU, Pierre CARON, Odile LAVIGNE, Didier LOCQ, Mikael PERRUT
-
Patent number: 10119180Abstract: A titanium-based intermetallic alloy includes, in atomic percent, 16% to 26% Al, 18% to 28% Nb, 0% to 3% of a metal M selected from Mo, W, Hf, and V, 0.1% to 2% of Si, 0% to 2% of Ta, 1% to 4% of Zr, with the condition Fe+Ni?400 ppm, the balance being Ti, the alloy also presenting an Al/Nb ratio in atomic percent lying in the range 1.05 to 1.15.Type: GrantFiled: December 14, 2015Date of Patent: November 6, 2018Assignee: SAFRAN AIRCRAFT ENGINESInventors: Jean-Yves Guedou, Jean-Michel Patrick Maurice Franchet, Jean-Loup Bernard Victor Strudel, Laurent Germann, Dipankar Banerjee, Vikas Kumar, Tapash Nandy
-
Publication number: 20170342524Abstract: A titanium-based intermetallic alloy includes, in atomic percent, 16% to 26% Al, 18% to 28% Nb, 0% to 3% of a metal M selected from Mo, W, Hf, and V, 0.1% to 2% of Si, 0% to 2% of Ta, 1% to 4% of Zr, with the condition Fe+Ni?400 ppm, the balance being Ti, the alloy also presenting an Al/Nb ratio in atomic percent lying in the range 1.05 to 1.15.Type: ApplicationFiled: December 14, 2015Publication date: November 30, 2017Applicant: SAFRAN AIRCRAFT ENGINESInventors: Jean-Yves GUEDOU, Jean-Michel Patrick Maurice FRANCHET, Jean-Loup Bernard Victor STRUDEL, Laurent GERMANN, Dipankar BANERJEE, Vikas KUMAR, Tapash NANDY
-
Patent number: 9599568Abstract: A method of determining the appearance of losses of cohesion in a transparent ceramic coating layer (16) formed on a substrate (10), the method comprising the steps that consist firstly in looking for an image representative of a separation zone, if any, between the ceramic layer and the substrate, and secondly in analyzing the detected image, if any, with the image being viewed optically at particular wavelengths that are greater than or equal to 500 nm.Type: GrantFiled: August 7, 2012Date of Patent: March 21, 2017Assignee: SNECMAInventors: Gregory Fabre, Jean-Yves Guedou, Vincent Guipont, Michel Christian Marcel Jeandin
-
Patent number: 9546566Abstract: The invention relates to a part comprising a coating on a superalloy metal substrate, the coating comprising a metal underlayer covering said substrate, the part being characterized in that said metal underlayer contains a base of nickel aluminide and also contains 0.5 at % to 0.95 at % of one or more stabilizer elements M from the group formed by Cu and Ag for stabilizing the gamma and gamma prime phases.Type: GrantFiled: April 24, 2012Date of Patent: January 17, 2017Assignees: SNECMA, Centre National de la Recherche ScientifiqueInventors: Jean-yves Guedou, Mathieu Boidot, Claude Estournes, Daniel Monceau, Djar Oquab, Serge Selezneff
-
Publication number: 20140185916Abstract: A method of determining the appearance of losses of cohesion in a transparent ceramic coating layer (16) formed on a substrate (10), the method comprising the steps that consist firstly in looking for an image representative of a separation zone, if any, between the ceramic layer and the substrate, and secondly in analyzing the detected image, if any, with the image being viewed optically at particular wavelengths that are greater than or equal to 500 nm.Type: ApplicationFiled: August 7, 2012Publication date: July 3, 2014Applicant: SNECMAInventors: Gregory Fabre, Jean-Yves Guedou, Vincent Guipont, Michel Christian Marcel Jeandin
-
Publication number: 20140050940Abstract: The invention relates to a part comprising a coating on a superalloy metal substrate, the coating comprising a metal underlayer covering said substrate, the part being characterized in that said metal underlayer contains a base of nickel aluminide and also contains 0.5 at % to 0.95 at % of one or more stabilizer elements M from the group formed by Cu and Ag for stabilizing the gamma and gamma prime phases.Type: ApplicationFiled: April 24, 2012Publication date: February 20, 2014Applicants: SNECMA, UNIVERSITE PAUL SABATIER TOULOUSE lll, INSTITUT NATIONAL POLYTECHNIQUE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Jean-Yves Guedou, Mathieu Boidot, Claude Estournes, Daniel Monceau, Djar Oquab, Serge Selezneff
-
Patent number: 7334999Abstract: A turbomachine rotor including at least one disk having a ring constituted, for example, by a winding of metal-coated silicon carbide or alumina yarn. According to the invention, the composite ring is received in a closed annular cavity, e.g. defining by machining a groove in an enlarged portion of the disk and closing the groove by means of an annular plate after the ring has been put into place.Type: GrantFiled: June 28, 2006Date of Patent: February 26, 2008Assignee: SnecmaInventors: Caroline Aumont, Sandrine Chatel, Bruno Jacques Gerard Dambrine, Didier Rene Andre Escure, Jean-Francois Fromentin, Jean-yves Guedou, Ludovic Edmond Camille Molliex, Stephane Rousselin
-
Publication number: 20070227630Abstract: The invention provides alloys or superalloys based on nickel essentially comprising the following elements in the amounts indicated as percentages by weight: Cr: 11.5% to 13.5%; Co: 11.5% to 16.0%; Mo: 3.4% to 5.0%; W: 3.0% to 5.0%; Al: 2.2% to 3.2%; Ti: 3.5% to 5.0%; Nb: 0.5% to 2.0%; Hf: 0.25% to 0.35%; Zr: 0 to 0.07%; C: 0.015% to 0.030%; B: 0.01% to 0.02%; and Ni: complement to 100%. The alloy is for use in the production of turbine or compressor disks for turbo-machines, using powder metallurgy techniques.Type: ApplicationFiled: March 30, 2007Publication date: October 4, 2007Applicants: SNECMA, ARMINES, ONERA(OFF NAT D'ETUDES ET DE RECHERCHES AEROS)Inventors: Isabelle Augustins Lecallier, Pierre Caron, Jean-yves Guedou, Didier Locq, Loeiz Naze
-
Publication number: 20070086896Abstract: A turbomachine rotor including at least one disk having a ring constituted, for example, by a winding of metal-coated silicon carbide or alumina yarn. According to the invention, the composite ring is received in a closed annular cavity, e.g. defining by machining a groove in an enlarged portion of the disk and closing the groove by means of an annular plate after the ring has been put into place.Type: ApplicationFiled: June 28, 2006Publication date: April 19, 2007Applicant: SNECMAInventors: Caroline AUMONT, Sandrine Chatel, Bruno Dambrine, Didier Escure, Jean-Francois Fromentin, Jean-yves Guedou, Ludovic Molliex, Stephane Rousselin