Patents by Inventor Jacques Montagnon

Jacques Montagnon 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: 9181824
    Abstract: The invention concerns a method for making a unitary spark ignition valve, characterized in that it consists in preparing and casting a steel made up in wt. % of: 0.45%?C 0.55%; 12%?Cr?18%; 1%?Si?2.5%; traces?Mn?2%; 0.2%?V?0.5%; traces?Mo?0.5%; 0.05%?N?0.15%, with 0.55%?C+N?0.70%; traces?Ni?1%; traces?Cu?0.25%, or Cu?0.5 Ni if Cu>0.25%; traces?Co?1%; traces?W?0.2%; traces?Nb?0.15%; traces?AI?0.025%; traces?Ti?0.010%; traces?S?0.030%; traces?P?0.040%; traces?B?0.0050%; the balance being iron and impurities resulting from the preparation; in transforming by hot thermomechanical process, for example, by rolling and/or forging between 1000 and 1200° C.; optionally soft annealing, between 650 and 900° C.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: November 10, 2015
    Assignee: AUBERT & DUVAL
    Inventor: Jacques Montagnon
  • Patent number: 9045806
    Abstract: Steel, characterized in that the composition thereof is, in percentages by weight: C=0.20-0.30% Co=trace levels-1% Cr=2-5% Al=1-2% Mo+W/2=1-4% V=trace levels-0.3% Nb=trace levels-0.1% B=trace levels-30 ppm Ni=11-16% with Ni?7+3.5 Al Si=trace levels-1.0% Mn=trace levels-2.0% Ca=trace levels-20 ppm rare earths=trace levels-100 ppm if N?10 ppm, Ti+Zr/2=trace levels-100 ppm with Ti+Zr/2?10 N if 10 ppm<N?20 ppm, Ti+Zr/2=trace levels-150 ppm O=trace levels-50 ppm N=trace levels-20 ppm S=trace levels-20 ppm Cu=trace levels-1% P=trace levels-200 ppm the remainder being iron and inevitable impurities resulting from the production operation. Method of producing a component from this steel and a component obtained in this manner.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: June 2, 2015
    Assignee: AUBERT & DUVAL
    Inventor: Jacques Montagnon
  • Patent number: 8192560
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace?50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace?500 ppm, —Rare earths=trace?500 ppm, —Ti=trace?500 ppm, —O=trace?200 ppm if the steel is obtained by means of powder metallurgy or trace?50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace?100 ppm, —S=trace?50 ppm, —Cu=trace?1%, and —P=trace?200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: June 5, 2012
    Assignees: Aubert & Duval, SNECMA Moteurs
    Inventors: Jacques Montagnon, Philippe Heritier, Isabelle Peslerbe, Claude Mons
  • Patent number: 8152938
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace—50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace—500 ppm, —Rare earths=trace—500 ppm, —Ti=trace—500 ppm, —O=Trace—200 ppm if the steel is obtained by means of powder metallurgy or trace—50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace—100 ppm, —S=trace—50 ppm, —Cu=trace—1%, and —P=trace—200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: April 10, 2012
    Assignees: Aubert & Duval, SNECMA Moteurs
    Inventors: Jacques Montagnon, Philippe Heritier, Isabelle Peslerbe, Claude Mons
  • Patent number: 8153056
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight:—C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace?50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace?500 ppm, —Rare earths=trace?500 ppm, —Ti=trace?500 ppm, —O=trace?200 ppm if the steel is obtained by means of powder metallurgy or trace?50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace?100 ppm, —S=trace?50 ppm, —Cu=trace?1%, and —P=trace?200 ppm, the remainder comprising iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: April 10, 2012
    Assignees: Aubert & Duval, SNECMA Moteurs
    Inventors: Jacques Montagnon, Philippe Heritier, Isabelle Peslerbe, Claude Mons
  • Patent number: 8097098
    Abstract: The invention concerns martensitic stainless steel, characterized in that its composition in weight percentages is as follows: 9%=Cr=13%; 1.5%=Mo=3%; 8%=Ni=14%; 1%=Al=2%; 0.5%=Ti=1.5% with AI+Ti=2.25%; traces=Co=2%; traces=W=1% with Mo+(W/2)=3%; traces=P=0.02%; traces=S=0.0050%; traces=N=0.0060%; traces=C=0.025%; traces=Cu=0.5%; traces=Mn=3%; traces=Si=0.25%; traces=O=0.0050%; and is such that: Ms (° C.)=1302 42 Cr 63 Ni 30 Mo+20AI-15W-33Mn-28Si-30Cu-13Co+10 Ti=50Cr eq/Ni eq=1.05 with Cr eq (%)=Cr+2Si+Mo+1.5 Ti+5.5 AI+0.6W Ni eq (%)=2Ni+0.5 Mn+3O C+25 N+Co+0.3 Cu. The invention also concerns a method for making a mechanical part using said steel, and the resulting part.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: January 17, 2012
    Assignee: Aubert & Duval
    Inventor: Jacques Montagnon
  • Publication number: 20110048583
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace?50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace?500 ppm, —Rare earths=trace?500 ppm, —Ti=trace?500 ppm, ?O=trace?200 ppm if the steel is obtained by means of powder metallurgy or trace?50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace?100 ppm, —S=trace?50 ppm, —Cu=trace?1%, and —P=trace?200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 3, 2011
    Applicants: AUBERT & DUVAL, SNECMA MOTEURS
    Inventors: Jacques MONTAGNON, Philippe HERITIER, Isabelle PESLERBE, Claude MONS
  • Publication number: 20110041961
    Abstract: The invention relates to steel which is characterized by the following composition as expressed in percentages by weight: —C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace-50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace-500 ppm, —Rare earths=trace-500 ppm, —Ti=trace-500 ppm, —O=trace-200 ppm if the steel is obtained by means of powder metallurgy or trace-50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace-100 ppm, —S=trace-50 ppm, —Cu=trace-1%, and —P=trace-200 ppm, the remainder including iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Application
    Filed: August 26, 2010
    Publication date: February 24, 2011
    Applicants: AUBERT & DUVAL, SNECMA MOTEURS
    Inventors: Jacques MONTAGNON, Philippe HERITIER, Isabelle PESLERBE, Claude MONS
  • Publication number: 20100200119
    Abstract: Steel, characterised in that the composition thereof is, in percentages by weight: C=0.20-0.30% Co=trace levels-1% Cr=2-5% Al=1-2% Mo+W/2=1-4% V=trace levels-0.3% Nb=trace levels-0.1% B=trace levels-30 ppm Ni=11-16% with Ni?7+3.5 Al Si=trace levels-1.0% Mn=trace levels-2.0% Ca=trace levels-20 ppm rare earths=trace levels-100 ppm if N?10 ppm, Ti+Zr/2=trace levels-100 ppm with Ti+Zr/2?10 N if 10 ppm<N?20 ppm, Ti+Zr/2=trace levels-150 ppm O=trace levels-50 ppm N=trace levels-20 ppm S=trace levels-20 ppm Cu=trace levels-1% P=trace levels-200 ppm the remainder being iron and inevitable impurities resulting from the production operation. Method of producing a component from this steel and a component obtained in this manner.
    Type: Application
    Filed: June 18, 2008
    Publication date: August 12, 2010
    Applicant: AUBERT & DUVAL
    Inventor: Jacques Montagnon
  • Publication number: 20100139817
    Abstract: The invention concerns martensitic stainless steel, characterized in that its composition in weight percentages is as follows: 9%=Cr=13%; 1.5%=Mo=3%; 8%=Ni=14%; 1%=Al=2%; 0.5%=Ti=1.5% with AI+Ti=2.25%; traces=Co=2%; traces=W=1% with Mo+(W/2)=3%; traces=P=0.02%; traces=S=0.0050%; traces=N=0.0060%; traces=C=0.025%; traces=Cu=0.5%; traces=Mn=3%; traces=Si=0.25%; traces=O=0.0050%; and is such that: Ms (° C.)=1302 42 Cr 63 Ni 30 Mo+20AI-15W-33Mn-28Si-30Cu-13Co+10 Ti=50Cr eq/Ni eq=1.05 with Cr eq (%)=Cr+2Si+Mo+1.5 Ti+5.5 AI+0.6W Ni eq (%)=2Ni+0.5 Mn+3O C+25 N+Co+0.3 Cu. The invention also concerns a method for making a mechanical part using said steel, and the resulting part.
    Type: Application
    Filed: June 26, 2006
    Publication date: June 10, 2010
    Inventor: Jacques Montagnon
  • Publication number: 20090301615
    Abstract: The invention concerns a method for making a unitary spark ignition valve, characterized in that it consists in preparing and casting a steel made up in wt. % of: 0.45%?C 0.55%; 12%?Cr?18%; 1%?Si?2.5%; traces?Mn?2%; 0.2%?V?0.5%; traces?Mo?0.5%; 0.05%?N?0.15% with 0.55%?C+N?0.70%; traces?Ni?1%; traces?Cu?0.25%; or Cu?0.5 Ni if Cu>0.25%; traces?Co?1%; traces?W?0.2%; traces?Nb?0.15%; traces?AI?0.025%; traces?Ti?0.010%; traces?S?0.030%; traces?P?0.040%; traces?B?0.0050%; the balance being iron and impurities resulting from the preparation; in transforming by hot thermomechanical process, for example, by rolling and/or forging between 1000 and 1200° C.; optionally soft annealing, between 650 and 900° C.
    Type: Application
    Filed: January 22, 2007
    Publication date: December 10, 2009
    Inventor: Jacques Montagnon
  • Publication number: 20080193321
    Abstract: The invention relates to steel which is characterised by the following composition as expressed in percentages by weight:—C=0.18 0.30%, —Co=5-7%, —Cr=2-5%, —Al=1-2%, —Mo+W/2=1-4%, —V=trace 0.3%, —Nb=trace 0.1%, —B=trace?50 ppm, —Ni=10.5-15% with Ni?7+3.5 Al, —Si=trace 0.4%, —Mn=trace 0.4%, —Ca=trace?500 ppm, -Rare earths=trace?500 ppm, —Ti=trace?500 ppm, —O=trace?200 ppm if the steel is obtained by means of powder metallurgy or trace?50 ppm if the steel is produced in air or under a vacuum from molten metal, —N=trace?100 ppm, —S=trace?50 ppm, —Cu=trace?1%, and —P=trace?200 ppm, the remainder comprising iron and the inevitable impurities resulting from production. The invention also relates to a method of producing a part from said steel and to the part thus obtained.
    Type: Application
    Filed: April 20, 2006
    Publication date: August 14, 2008
    Applicant: AUBERT & DUVAL
    Inventors: Jacques Montagnon, Philippe Heritier, Isabelle Peslerbe, Claude Mons
  • Patent number: 6656418
    Abstract: This invention relates to a steel composition comprising, expressed in percentages by weight: 0.25-0.35% C, 24-28% Cr, 10-15% Ni, 3-6% Mn, 1.75-2.50% Nb, 0.50-0.70% N, 0-0.30% Si, provided that C+N≧0.8%, the rest consisting mainly of iron and unavoidable impurities. The invention further relates to a method for making said compositions and valves produced from said compositions or using said method and exhibiting excellent mechanical strength and oxidation resistance at temperatures between 800 and 900° C.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: December 2, 2003
    Assignee: Societe Industrielle de Metallurgie Avancee (S.I.M.A.)
    Inventors: Jacques Montagnon, Frédéric Perdriset
  • Publication number: 20030044304
    Abstract: The invention concerns a steel composition comprising, expressed in weight percentages: 0.25-0.35% of C, 24-28% of Cr. 10-15% of Ni, 3-6% of Mn, 1.75-2.50% of Nb, 0.50-0.70% of N, 0-0.30% of Si, provided that C+N≧0.8%, the rest consisting mainly of iron and unavoidable impurities. The invention also concerns a method for making said compositions and valves produced from said compositions or using said method and exhibiting excellent mechanical strength and oxidation resistance at temperatures between 800 and 900° C.
    Type: Application
    Filed: May 9, 2002
    Publication date: March 6, 2003
    Inventors: Jacques Montagnon, Frederic Perdriset
  • Patent number: 6267921
    Abstract: The invention concerns a high specification non-magnetic stainless steel which is corrosion resistant in physiological media and which can be produced at atmospheric pressure, characterized in that its composition in % by weight is as follows: Mn 15% to 24% Ti ≦0.020% Cr 15% to 20% Al ≦0.020% Mo 2.5% to 4% S ≦0.0020% N 0.6% to 0.85% B ≦0.020% V 0.1% to 0.5% Nb + Ta ≦0.5% C ≦0.06% Co ≦0.5% Ni ≦0.25% Cu ≦0.5% silica ≦0.25% and from 0 to 0.5% of each of elements Cu, Co and of the sum Nb+Ta, the remainder being constituted by iron and impurities, and in that its composition satisfies the following conditions: (%Cr)+2.5(%Mo)≦27  (I) (%Cr)+3.3(%Mo)≧26  (II); and Log(%N)+0.0605(%N)=−1.3+[125(%V)+80(%Nb)+52(%Cr)+19(%Mn)]×10−3−[4.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: July 31, 2001
    Assignee: Societe Industrielle de Metallurgie
    Inventors: Jacques Montagnon, Jean-Yves Moraux
  • Patent number: 6004408
    Abstract: The invention relates to precipitation hardened alloy compositions comprising the following elements, with the contents expressed in % by weight:______________________________________ nickel: .gtoreq.52.00% chromium: 20.50%-22.50% iron: 7.00%-13.00% molybdenum: 5.50%-7.0% copper: 1.00%-3.50% niobium: 2.65%-3.50% titanium: 1.0%-2.0% cobalt: 0-3.00% aluminum: 0-0.75% tungsten: 0-0.50% silicon: 0-0.20% manganese: 0-0.20% phosphorous: 0-0.03% carbon: 0-0.02% nitrogen: 0-0.02% magnesium: 0-0.005% sulfur: 0-0.005% ______________________________________the elements satisfying the following four relationships:X=(2.271% Ti+1.142% Cr+0.957% Mn+0.858% Fe+0.777% Co+0.717% Ni+2.117% Nb+1.550% Mo+1.655% W+1.90% Al+1.90% Si+0.615% Cu).ltoreq.93.5, the percentages for this relationship being in atomic %;Y=(% Mo+% W+% Cu).ltoreq.9, the percentages for this relationship being in % by weight;A=(0.65% Nb+1.25% Ti+2.20% Al).gtoreq.4.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: December 21, 1999
    Assignee: Aubert & Duval (societe anonyme)
    Inventor: Jacques Montagnon