Patents by Inventor Laurent Ferrer
Laurent Ferrer 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: 11673186Abstract: The invention relates to a method for manufacturing a metal ingot by continuous casting, comprising the following steps: S1: melting the metal, S2: transferring the liquid metal (2) by pouring it into a crucible (12), S3: moving the base plate (14) of the crucible (12), S4: progressive solidification of the liquid metal (2) from the base plate (14) of the crucible (12), and S5: during the step S3 of moving the base plate (14), applying a compression force to the metal (3) which is present between the base plate (14) and the side wall (13), the compression force being applied along a second axis (X2) parallel to the first axis (X1) so as to deform the metal and to obtain an ingot (3) which has a smaller width (L2).Type: GrantFiled: December 13, 2019Date of Patent: June 13, 2023Assignee: SAFRAN AIRCRAFT ENGINESInventor: Laurent Ferrer
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Publication number: 20230083765Abstract: A device for cleaning a vent of a first forging die suitable for receiving, between the first die and a second die, a metal blank to be shaped in order to produce a metal part, the device for cleaning including a pump for injecting an aqueous solution, suitable for injecting the aqueous solution into the vent, an ultrasound generator, suitable for generating ultrasound waves within the vent, an air intake suitable for ensuring a venting of the vent, and a valve system for alternately controlling at least the injection of aqueous solution and ultrasound and the venting of the vent.Type: ApplicationFiled: January 18, 2021Publication date: March 16, 2023Inventor: Laurent FERRER
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Patent number: 11560612Abstract: A method of fabricating a low alloy steel ingot, the method including a) melting all or part of an electrode by a vacuum arc remelting method, the electrode, before melting, including iron and carbon, the melted portion of the electrode being collected in a crucible, thus forming a melt pool within the crucible; and b) solidifying the melt pool by heat exchange between the melt pool and a cooling fluid, the heat exchange applied serving to impose a mean solidification speed during step b) that is less than or equal to 45 ?m/s and to obtain an ingot of low alloy steel.Type: GrantFiled: June 24, 2019Date of Patent: January 24, 2023Assignees: SAFRAN AIRCRAFT ENGINES, SAFRAN LANDING SYSTEMSInventors: Laurent Ferrer, Nicolas Binot
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Patent number: 11512369Abstract: A method for manufacturing an ingot made of titanium-based metallic compound, includes providing raw material fragments; melting the raw material fragments into a liquid metal in at least one basin; keeping in the molten state the liquid metal in the at least one basin; pouring the liquid metal from the at least one basin into a crucible by overflow from the at least one basin into the crucible; forming an ingot by cooling of the liquid metal into the crucible; wherein the method further includes preheating the raw material fragments before the melting of the raw material fragments with a preheating temperature higher than or equal to 75% of the liquidus temperature of the raw material fragments, and lower less than the liquidus temperature of the raw material fragments.Type: GrantFiled: June 24, 2019Date of Patent: November 29, 2022Assignee: SAFRAN AIRCRAFT ENGINESInventors: Bruno Vitorino Lopes, Laurent Ferrer
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Patent number: 11433453Abstract: A device (10) for manufacturing a metal alloy blank by centrifugal casting of a molten metal alloy, comprising a centrifugal casting wheel (20), the centrifugal casting wheel (20) being rotary about an axis of rotation (A) and comprising a mold (22) for receiving the molten metal alloy, the mold extending in a radial direction (R1) with respect to the axis of rotation (A). The device (10) comprises at least one magnet arranged in such a way as to induce an electric current in the mold (22) during the rotation of the centrifugal casting wheel (20) about the axis of rotation (A).Type: GrantFiled: November 6, 2018Date of Patent: September 6, 2022Assignee: SAFRAN AIRCRAFT ENGINESInventor: Laurent Ferrer
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Patent number: 11427897Abstract: A production method of a maraging steel includes: the step of producing, by vacuum melting, a remelt electrode which comprises from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; and the step of remelting the remelt electrode to produce a steel ingot having an average diameter of 650 mm or more; wherein the resulting maraging steel includes from 0.2 to 3.0% by mass of Ti.Type: GrantFiled: June 10, 2014Date of Patent: August 30, 2022Assignees: HITACHI METALS, LTD., SAFRAN AIRCRAFT ENGINESInventors: Takahiko Kamimura, Laurent Ferrer, Pascal Poulain
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Publication number: 20220062975Abstract: The invention relates to a method for manufacturing a metal ingot by continuous casting, comprising the following steps: S1: melting the metal, S2: transferring the liquid metal (2) by pouring it into a crucible (12), S3: moving the base plate (14) of the crucible (12), S4: progressive solidification of the liquid metal (2) from the base plate (14) of the crucible (12), and S5: during the step S3 of moving the base plate (14), applying a compression force to the metal (3) which is present between the base plate (14) and the side wall (13), the compression force being applied along a second axis (X2) parallel to the first axis (X1) so as to deform the metal and to obtain an ingot (3) which has a smaller width (L2).Type: ApplicationFiled: December 13, 2019Publication date: March 3, 2022Applicant: SAFRAN AIRCRAFT ENGINESInventor: Laurent FERRER
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Publication number: 20210262061Abstract: A method for manufacturing an ingot made of titanium-based metallic compound, includes providing raw material fragments; melting the raw material fragments into a liquid metal in at least one basin; keeping in the molten state the liquid metal in the at least one basin; pouring the liquid metal from the at least one basin into a crucible by overflow from the at least one basin into the crucible; forming an ingot by cooling of the liquid metal into the crucible; wherein the method further includes preheating the raw material fragments before the melting of the raw material fragments with a preheating temperature higher than or equal to 75% of the liquidus temperature of the raw material fragments, and lower less than the liquidus temperature of the raw material fragments.Type: ApplicationFiled: June 24, 2019Publication date: August 26, 2021Inventors: Bruno Vitorino LOPES, Laurent FERRER
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Publication number: 20200316682Abstract: A device (10) for manufacturing a metal alloy blank by centrifugal casting of a molten metal alloy, comprising a centrifugal casting wheel (20), the centrifugal casting wheel (20) being rotary about an axis of rotation (A) and comprising a mold (22) for receiving the molten metal alloy, the mold extending in a radial direction (R1) with respect to the axis of rotation (A). The device (10) comprises at least one magnet arranged in such a way as to induce an electric current in the mold (22) during the rotation of the centrifugal casting wheel (20) about the axis of rotation (A).Type: ApplicationFiled: November 6, 2018Publication date: October 8, 2020Applicant: SAFRAN AIRCRAFT ENGINESInventor: Laurent FERRER
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Publication number: 20190309390Abstract: A method of fabricating a low alloy steel ingot, the method including a) melting all or part of an electrode by a vacuum arc remelting method, the electrode, before melting, including iron and carbon, the melted portion of the electrode being collected in a crucible, thus forming a melt pool within the crucible; and b) solidifying the melt pool by heat exchange between the melt pool and a cooling fluid, the heat exchange applied serving to impose a mean solidification speed during step b) that is less than or equal to 45 ?m/s and to obtain an ingot of low alloy steel.Type: ApplicationFiled: June 24, 2019Publication date: October 10, 2019Inventors: Laurent FERRER, Nicolas BINOT
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Patent number: 10364479Abstract: A method of fabricating a low alloy steel ingot, the method including a) melting all or part of an electrode by a vacuum arc remelting method, the electrode, before melting, including iron and carbon, the melted portion of the electrode being collected in a crucible, thus forming a melt pool within the crucible; and b) solidifying the melt pool by heat exchange between the melt pool and a cooling fluid, the heat exchange applied serving to impose a mean solidification speed during step b) that is less than or equal to 45 ?m/s and to obtain an ingot of low alloy steel.Type: GrantFiled: June 3, 2015Date of Patent: July 30, 2019Assignees: SAFRAN AIRCRAFT ENGINES, SAFRAN LANDING SYSTEMSInventors: Laurent Ferrer, Nicolas Binot
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Patent number: 10174391Abstract: The invention relates to a method for producing martensitic steel that comprises a content of other metals such that the steel can be hardened by an intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%, comprising the following steps: (a) heating the entirety of the steel above its austenizing temperature, (b) cooling said steel approximately to ambient temperature, (c) placing said steel in a cryogenic medium. The temperature T1 is substantially lower than the martensitic transformation temperature Mf, and the time t during which said steel is kept in said cryogenic medium at a temperature T1 from the moment when the hottest part of the steel reaches a temperature lower than the martensitic transformation temperature Mf is at least equal to a non-zero time t1, the temperature T1 (in ° C.Type: GrantFiled: July 2, 2010Date of Patent: January 8, 2019Assignee: SAFRAN AIRCRAFT ENGINESInventor: Laurent Ferrer
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Patent number: 9943908Abstract: A method of fabricating a part (10) having a housing (20) that includes an opening (25) opening out in a free surface (15) of the part (10). The method comprises the following steps: (a) closing the opening (25) with a sheath (30), the sheath having a vacuum orifice (31) and a filling orifice (32); (b) filling the housing (20) with an abradable material (50) constituted by particles by using the filling orifice (32), and evacuating the housing (20) using the vacuum orifice (31); (c) closing the orifices (31, 32) in leaktight manner; (d) deforming the sheath (30) so as to compress the abradable material (50) in the housing (20) and heating the abradable material (50) to a temperature higher than 150° C. so that the abradable material (50) becomes sintered; and (e) subsequently lowering the temperature and the pressure.Type: GrantFiled: September 30, 2013Date of Patent: April 17, 2018Assignee: SAFRAN AIRCRAFT ENGINESInventor: Laurent Ferrer
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Patent number: 9737932Abstract: A method of fabricating a part covered in an abradable coating (55), the method comprising the following steps: a blank (10) for the part, the blank having a housing (20) opening out into the surface (15) of the blank (10); filling the housing (20) with an abradable material in powder form; and hot rolling the blank (10) and the abradable material together so as to sinter the abradable material and cause it to adhere to the blank, in order to obtain an abradable coating (55).Type: GrantFiled: October 1, 2013Date of Patent: August 22, 2017Assignee: SNECMAInventor: Laurent Ferrer
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Publication number: 20170130297Abstract: A method of fabricating a low alloy steel ingot, the method including a) melting all or part of an electrode by a vacuum arc remelting method, the electrode, before melting, including iron and carbon, the melted portion of the electrode being collected in a crucible, thus forming a melt pool within the crucible; and b) solidifying the melt pool by heat exchange between the melt pool and a cooling fluid, the heat exchange applied serving to impose a mean solidification speed during step b) that is less than or equal to 45 ?m/s and to obtain an ingot of low alloy steel.Type: ApplicationFiled: June 3, 2015Publication date: May 11, 2017Inventors: Laurent FERRER, Nicolas BINOT
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Publication number: 20170096728Abstract: A production method of a maraging steel includes: the step of producing, by vacuum melting, a remelt electrode which comprises from 0.2 to 3.0% by mass of Ti and from 0.0025 to 0.0050% by mass of N; and the step of remelting the remelt electrode to produce a steel ingot having an average diameter of 650 mm or more; wherein the resulting maraging steel includes from 0.2 to 3.0% by mass of Ti.Type: ApplicationFiled: June 10, 2014Publication date: April 6, 2017Applicants: HITACHI METALS, LTD., SAFRAN AIRCRAFT ENGINESInventors: Takahiko KAMIMURA, Laurent FERRER, Pascal POULAIN
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Patent number: 9464336Abstract: A method of fabricating a martensitic stainless steel including: 1) heating steel to a temperature higher than austenizing temperature of the steel, then quenching the steel until a hottest portion of the steel is at a temperature less than or equal to a maximum temperature, and greater than or equal to a minimum temperature, a cooling rate being sufficiently fast for austenite not to transform into a ferrito-perlitic structure; 2) performing a first anneal followed by cooling until the hottest portion of the steel is at a temperature less than or equal to the maximum temperature and greater than or equal to the minimum temperature; 3) performing a second anneal followed by cooling to ambient temperature; and at the end of each of 1) and 2), performing: ?) as soon as temperature of the hottest portion of the steel reaches the maximum temperature, immediately heating the steel once more.Type: GrantFiled: September 8, 2011Date of Patent: October 11, 2016Assignee: SNECMAInventors: Jean-François Laurent Chabot, Laurent Ferrer, Pascal Charles Emile Thoison
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Patent number: 9429183Abstract: The invention relates to a method of producing a martensitic steel comprising a content of other metals such that it can be hardened by intermetallic compound and carbide precipitation, with an Al content of between 0.4% and 3%. The heat shaping temperature of the last heat shaping pass of said steel is lower than the solubility temperature of the aluminum nitrides in the steel, and the treatment temperature for each potential heat treatment after said last heat shaping pass is lower than the solid-state solubility temperature of the aluminum nitrides in said steel.Type: GrantFiled: July 16, 2013Date of Patent: August 30, 2016Assignees: SNECMA, AUBERT & DUVALInventors: Laurent Ferrer, Philippe Heritier
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Publication number: 20150266093Abstract: A method of fabricating a part (10) having a housing (20) that includes an opening (25) opening out in a free surface (15) of the part (10). The method comprises the following steps: (a) closing the opening (25) with a sheath (30), the sheath having a vacuum orifice (31) and a filling orifice (32); (b) filling the housing (20) with an abradable material (50) constituted by particles by using the filling orifice (32), and evacuating the housing (20) using the vacuum orifice (31); (c) closing the orifices (31, 32) in leaktight manner; (d) deforming the sheath (30) so as to compress the abradable material (50) in the housing (20) and heating the abradable material (50) to a temperature higher than 150° C. so that the abradable material (50) becomes sintered; and (e) subsequently lowering the temperature and the pressure.Type: ApplicationFiled: September 30, 2013Publication date: September 24, 2015Applicant: SNECMAInventor: Laurent Ferrer
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Publication number: 20150231699Abstract: A method of fabricating a part covered in an abradable coating (55), the method comprising the following steps: a blank (10) for the part, the blank having a housing (20) opening out into the surface (15) of the blank (10); filling the housing (20) with an abradable material in powder form; and hot rolling the blank (10) and the abradable material together so as to sinter the abradable material and cause it to adhere to the blank, in order to obtain an abradable coating (55).Type: ApplicationFiled: October 1, 2013Publication date: August 20, 2015Applicant: SNECMAInventor: Laurent Ferrer