Patents by Inventor Hervé Fraisse
Hervé Fraisse 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: 8951364Abstract: The invention relates to an Fe—Co alloy, the composition of which comprises in % by weight: 6?Co+Ni?22 Si?0.2 0.5?Cr?8 Ni?4 0.10?Mn?0.90 Al?4 Ti?1 C?1 Mo?3 V+W?3 Nb+Ta?1 Si+Al?6 O+N+S+P+B?0.1 the balance of the composition consisting of iron and inevitable impurities due to the smelting, it being furthermore understood that the contents thereof satisfy the following relationships: Co+Si?Cr?27 Si+Al+Cr+V+Mo+Ti?3.5 1.23(Al+Mo)+0.84(Si+Cr+V)?1.3 14.5(Al+Cr)+12(V+Mo)+25 Si?50.Type: GrantFiled: January 14, 2009Date of Patent: February 10, 2015Assignee: Aperam Alloys ImphyInventors: Thierry Waeckerle, Herve Fraisse
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Patent number: 8808468Abstract: The invention relates to a Fe—Si—La alloy having the atomic composition: (La1-a-a?MmaTRa?)1[(Fe1-b-b?CObMb?)1-x(Si1-cXc)x]13(CdNeH1-d-e)y(R)z(I)f Mm representing a mixture of lanthanum, cerium, neodymium and praseodynium in the weight proportion of 22 to 26% La, 48 to 53% Ce, 17 to 20% Nd and 5 to 7% Pr, the said mixture possibly comprising up to 1% by weight of impurities, TR representing one or more elements of the rare earth family other than lanthanum, M representing one or more type d transition elements of the 3d, 4d and 5d layers X representing a metalloid element selected from Ge, Al, B, Ga and In R representing one or more elements selected from Al, Ca, Mg, K and Na, I representing one or two elements selected from O and S, with: 0?a<0.5 and 0?a?<0.2 0?b?0.2 and 0?b?<0.4 0?c?0.5 and 0?d?1 0?e?1 and f?0.1 0.09?x?0.13 and 0.002?y?4 0.0001?z?0.01 the subscripts b, d, e, x and y being such that the alloy further satisfies the following condition: 6.143b(13(1?x))+4.437y[1?0.Type: GrantFiled: December 15, 2008Date of Patent: August 19, 2014Assignee: Aperam Alloys ImphyInventors: Thierry Waeckerle, Herve Fraisse, Mohamed Balli, Patricia De Rango, Daniel Fruchart, Damien Gignoux, Salvatore Miraglia, Mariana Rosca, Miguel Jose Artigas Alava
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Publication number: 20110020661Abstract: The invention relates to a Fe—Si—La alloy having the following atomic composition: (La1-a-a?MmaTRa?)1[(Fe1-b-b,CobMb,)1-x(Si1-cXc)x]13(CdNeH1-d-e)y(R)r(I)r, in which Mm is a mixture of lanthanum, cerium, neodymium and praseodymium in a weight proportion of 22 to 26% of La, 48 to 53% of Ce, 17 to 20% of Nd and 5 to 7% of Pr, wherein said mixture may include up to 1 wt % of impurities, TR is one or more elements of the rare earth family other than lanthanum, M is one or more d-type transition element from layers 3d, 4d and 5d, X is a metalloid element selected from Ge, Al, B, Ga and In, R is one or more element selected from Al, Ca, Mg, K and Na, I is one or two elements selected from O and S, with: 0?a<0.5 and 0?a?<0.2; 0?b?0.2 and 0?b?<0.4; 0?c?0.5 and 0?d?1; 0?e?1 and f?0.1; 0.09?x?0.13 and 0.002?y?4; 0.0001?z?0.01; the indicia b, d, e, x and y being such that the alloy further meets the following condition: 6.143b(13(1?x))+4.437y[1?0.0614(d++e)]?1 Eq.1 d*y?0.005 Eq.2.Type: ApplicationFiled: December 15, 2008Publication date: January 27, 2011Applicants: ARCELORMITTAL-STAINLESS & NICKEL ALLOYS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Thierry Waeckerle, Herve Fraisse, Mohamed Balli, Patricia De Rango, Daniel Fruchart, Damien Gignoux, Salvatore Miraglia, Mariana Rosca, Miguel Jose Artigas Alava
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Publication number: 20110018658Abstract: The invention relates to an Fe-Co alloy, the composition of which comprises in % by weight: 6?Co+Ni?22 Si?0.2 0.5?Cr?8 Ni?4 0.10?Mn?0.90 Al?4 Ti?1 C?1 Mo?3 V+W?3 Nb+Ta?1 Si+Al?6 O+N+S+P+B?0.1 the balance of the composition consisting of iron and inevitable impurities due to the smelting, it being furthermore understood that the contents thereof satisfy the following relationships: Co+Si?Cr?27 Si+Al+Cr+V+Mo+Ti?3.5 1.23(Al+Mo)+0.84(Si+Cr+V)?1.3 14.5(Al+Cr)+12(V+Mo)+25 Si ?50.Type: ApplicationFiled: January 14, 2009Publication date: January 27, 2011Applicant: ARCELORMITTAL-STAINLESS & NICKEL ALLOYSInventors: Thierry Waeckerle, Herve Fraisse
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Patent number: 7819990Abstract: An iron-cobalt alloy containing in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C, a total of O, N and S content ranging between traces of 0.0070%; a total of Si, Al, Cr, Mo, V, Mn content ranging between 1.1 and 3.5%; a total of Cr, Mo and V content ranging between traces of 3%; a total of Ta and Nb content ranging between traces and 1%; and the rest being iron and impurities resulting from production wherein: 1.23×(Al+Mo) %+0.84 (Si+Cr+V) %?0.15×(Co %?15)?2.1, and 14.5×(Al+Cr) %+12×(V+Mo) %+25×Si %?21. The inventive alloy is useful for making electromagnetic actuator mobile cores.Type: GrantFiled: August 15, 2006Date of Patent: October 26, 2010Assignee: Imphy Ugine PrecisionInventors: Thierry Waeckerle, Lucien Coutu, Marc Leroy, Laurent Chaput, Herve Fraisse
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Patent number: 7575712Abstract: The invention concerns a ferromagnetic alloy whereof the chemical composition comprises, in wt. %: 32.5%?Ni?72.5%; 5%?Cr?18%; 0.01%?Mn?4%; C?1%; optionally one or more elements selected among Mo, V, Co, Cu, Si, W, Nb and Al, the total contents of said elements being not more than 10%, the remainder being iron and impurities resulting from preparation, the chemical composition further satisfying the following relationships: Cr?1.1Ni+23.25?0%; 45Cr+11Ni?1360; Ni+3Cr?60% if Ni?37.5; Cr?7.5 if Ni?37.5. The invention also concerns the use of said alloy for making heating elements for induction heated cooking appliances.Type: GrantFiled: June 1, 2004Date of Patent: August 18, 2009Assignee: Imphy AlloysInventors: Herve Fraisse, Thierry Waeckerle, Yves Grosbety, Lucien Coutu
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Patent number: 7335428Abstract: The invention relates to a cooking vessel comprising a base made of a multilayer material and a side wall, the said multilayer material comprising, in succession from the outside of the vessel to the inside of the vessel: an outer part, having a thickness eE, consisting of a layer of a ferromagnetic Nickel based alloy having a Curie temperature of between 30 and 350° C. and a thermal expansion coefficient of greater than or equal to 6.5.10?6 K?1, and a core, having a thickness ec, comprising at least one layer selected among aluminium, aluminium alloy and copper.Type: GrantFiled: November 30, 2001Date of Patent: February 26, 2008Assignees: Imphy Alloys, Alinox AGInventors: Hervé Fraisse, Yves Grosbety, Thierry Waeckerle, Markus Spring, Norbert Hoffstaedter
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Patent number: 7195680Abstract: The invention relates to a soft magnetic alloy with the following composition in wt. %: 28%?Ni?34%, 0%?Co?4%, 0%?Cu?4%, 1%?Cr, 0%?Mo?8%, 0%?Nb?1%, 0%?Mn?2%, 0%?V?5%, 0%?W?5%, 0%?Si?4%, 0%?Al?4%, 0%?C?0.4%, optionally one or several elements selected from magnesium and calcium the content of which is such as to remain below 0.1%, the rest being iron and impurities from production. The chemical composition furthermore satisfies the following relationships: 180.5?6×Ni2.5×(Cr+Mo+V+W+Si+Al)+4×(Co+Cu)?197.5 et Co+Cu?4%. The invention relates to the use thereof for production of a stator for use in a motor for clock-making.Type: GrantFiled: February 14, 2003Date of Patent: March 27, 2007Assignee: Imphy AlloysInventors: Thierry Waeckerle, Hervë Fraisse, Bruno Boulogne
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Publication number: 20070029013Abstract: An iron-cobalt alloy containing in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C, a total of O, N and S content ranging between traces of 0.0070%; a total of Si, Al, Cr, Mo, V, Mn content ranging between 1.1 and 3.5%; a total of Cr, Mo and V content ranging between traces of 3%; a total of Ta and Nb content ranging between traces and 1%; and the rest being iron and impurities resulting from production wherein: 1.23×(Al+Mo) %+0.84 (Si+Cr+V) %?0.15×(Co %?15)?2.1, and 14.5×(Al+Cr) %+12×(V+Mo) %+25×Si %?21. The inventive alloy is useful for making electromagnetic actuator mobile cores.Type: ApplicationFiled: August 15, 2006Publication date: February 8, 2007Inventors: Thierry WAECKERLE, Lucien Coutu, Marc Leroy, Laurent Chaput, Herve Fraisse
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Iron-cobalt alloy, in particular for electromagnetic actuator mobile core and method for making same
Patent number: 7128790Abstract: The invention concerns an iron-cobalt alloy, characterised in that it comprises in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C; a total of O, N and S content ranging between traces and 0.0070%; a total of Si, Al, Cr, Mo, V, Mn content ranging between 1.1 and 3.5%; a total of Cr, Mo and V content ranging between traces and 3%; a total of Ta and Nb content ranging between traces and 1%; the rest being iron and impurities resulting from production; and in that: 1.23×(Al+Mo)%+0.84 (Si+Cr+V)%?0.15×(Co%?15)?2.1 and in that 14.5×. (Al+Cr)%+12×(V+Mo)%+25×Si%?21. The inventive alloy is useful for making electromagnetic actuator mobile cores.Type: GrantFiled: May 11, 2001Date of Patent: October 31, 2006Assignee: Imphy Ugine PrecisionInventors: Thierry Waeckerle, Lucien Coutu, Marc Leroy, Laurent Chaput, Hervé Fraisse -
Publication number: 20060192181Abstract: The invention concerns a ferromagnetic alloy whereof the chemical composition comprises, in wt. %: 32.5% ?Ni ?72.5%; 5% ?Cr?18%; 0.01% ?Mn?4%, C?1%; optionally one or more elements selected among Mo, V, Co, Cu, Si, W, Nb and Al, the total contents of said elements being not more than 10%, the remainder being iron and impurities resulting from preparation, the chemical composition further satisfying the following relationships: Cr?1.1Ni+23.25?0%; 45Cr+11Ni?1360 ;Ni+3Cr?60% if Ni?37.5; Cr?7.5 if Ni?37.5. The invention also concerns the use of said alloy for making heating elements for induction heated cooking appliances.Type: ApplicationFiled: June 1, 2004Publication date: August 31, 2006Inventors: Herve Fraisse, Thierry Waeckerle, Yves Grosbety, Lucien Coutu
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Publication number: 20060096670Abstract: The invention relates to a magnetic screening for frequency fields between 50 Hz and 3000 Hz, made from a soft magnetic alloy of the following composition in wt. %: 30%?Ni?40%, 0%?Cu+Co?4%, 5%?Cr+Mo?17%, 5%?Cr 0%?Nb?2%, Mn?0.35%, Si?0.2%, C?0.050%, O?0.0160%, S?0.0020%, B?0.0010%, optionally at least one element selected from magnesium and calcium in amounts such that the sum thereof remains below 0.1 %, the rest being iron and production impurities. The chemical composition furthermore satisfies the following relationships: Cr+Mo?0.8×Ni+0.9×(Co+Cu) 18.4; Cr+Mo?4×Ni+3×(Co+Cu)?124; 4×(Cr+Mo)?125?3×Ni. The invention further relates to use of said alloy for the production of low-frequency magnetic screening.Type: ApplicationFiled: February 14, 2003Publication date: May 11, 2006Inventors: Thierry Waeckerle, Herve Fraisse, Sylvain Witzke, Bruno Boulogne
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Publication number: 20050161123Abstract: The invention relates to a soft magnetic alloy with the following composition in wt. %: 28%?Ni?34%, 0%?Co?4%, 0%?Cu?4%, 1%?Cr, 0%?Mo?8%, 0% ?Nb?1%, 0%?Mn?2%, 0%?V?5%, 0%?W?5%, 0%?Si?4%, 0%?Al?4%, 0% ?C?0.4%, optionally one or several elements selected from magnesium and calcium the content of which is such as to remain below 0.1%, the rest being iron and impurities from production. The chemical composition furthermore satisfies the following relationships: 180.5?6×Ni2.5×(Cr+Mo+V+W+Si+Al)+4×(Co+Cu)?197.5 et Co+Cu?4%. The invention relates to the use thereof for production of a stator for use in a motor for clock-making.Type: ApplicationFiled: February 14, 2003Publication date: July 28, 2005Applicant: Imphy AlloysInventors: Thierry Waeckerle, Herve Fraisse, Bruno Boulogne
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Publication number: 20050064219Abstract: The invention relates to a cooking vessel comprising a base made of a multilayer material and a side wall, the said multilayer material comprising, in succession from the outside of the vessel to the inside of the vessel: an outer part, having a thickness eE, consisting of a layer of a ferromagnetic Nickel based alloy having a Curie temperature of between 30 and 350° C. and a thermal expansion coefficient of greater than or equal to 6.5.10?6 K?1, and a core, having a thickness ec, comprising at least one layer selected among aluminium, aluminium alloy and copper.Type: ApplicationFiled: November 30, 2001Publication date: March 24, 2005Inventors: Herve Fraisse, Yves Grosbety, Thierry Waeckerle, Markus Spring, Norbert Hoffstaedter
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Iron-cobalt alloy, in particular for electromagnetic actuator mobile core and method for making same
Publication number: 20040099347Abstract: The invention concerns an iron-cobalt alloy, characterised in that it comprises in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C; a total of O, N and S content ranging between traces and 0.0070%; a total of Si, Al, Cr, Mo, V, Mn content ranging between 1.1 and 3.5%; a total of Cr, Mo and V content ranging between traces and 3%; a total of Ta and Nb content ranging between traces and 1%; the rest being iron and impurities resulting from production; and in that: 1.23×(Al+Mo) %+0.84 (Si+Cr+V) %−0.15×(Co %−15)≦2.1 and in that 14.5×. (Al+Cr) %+12×(V+Mo) %+25×Si %≧21. The inventive alloy is useful for making electromagnetic actuator mobile cores.Type: ApplicationFiled: February 14, 2003Publication date: May 27, 2004Applicant: IMPHY UGINE PRECISIONInventors: Thierry Waeckerle, Lucien Coutu, Marc Leroy, Laurent Chaput, Herve Fraisse