Patents by Inventor Jon Conrad Schaeffer

Jon Conrad Schaeffer 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).

  • Publication number: 20190185973
    Abstract: A cast nickel-base superalloy that includes iron added substitutionally for nickel. The cast nickel-base superalloy comprises, in weight percent about 1-6% iron, about 7.5-19.1% cobalt, about 7-22.5% chromium, about 1.2-6.2% aluminum, optionally up to about 5% titanium, optionally up to about 6.5% tantalum, optionally up to about 1% Nb, about 2-6% W, optionally up to about 3% Re, optionally up to about 4% Mo, about 0.05-0.18% C, optionally up to about 0.15% Hf, about 0.004-0.015 B, optionally up to about 0.1% Zr, and the balance Ni and incidental impurities. The superalloy is characterized by a ?? solvus temperature that is within 5% of the ?? solvus temperature of the superalloy that does not include 1-6% Fe and a mole fraction of ?? that is within 15% of the mole fraction of the superalloy that does not include 1-6% Fe.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 20, 2019
    Inventors: Ganjiang FENG, Jon Conrad SCHAEFFER, Michael Douglas ARNETT
  • Patent number: 10266926
    Abstract: A cast nickel-base superalloy that includes iron added substitutionally for nickel. The cast nickel base superalloy comprises, in weight percent about 1-6% iron, about 7.5-19.1% cobalt, about 7-22.5% chromium, about 1.2-6.2% aluminum, optionally up to about 5% titanium, optionally up to about 6.5% tantalum, optionally up to about 1% Nb, about 2-6% W, optionally up to about 3% Re, optionally up to about 4% Mo, about 0.05-0.18% C, optionally up to about 0.15% Hf, about 0.004-0.015 B, optionally up to about 0.1% Zr, and the balance Ni and incidental impurities. The superalloy is characterized by a ?? solvus temperature that is within 5% of the ?? solvus temperature of the superalloy that does not include 1-6% Fe and a mole fraction of ?? that is within 15% of the mole fraction of the superalloy that does not include 1-6% Fe.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: April 23, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Ganjiang Feng, Jon Conrad Schaeffer, Michael Douglas Arnett
  • Patent number: 10253396
    Abstract: A modified alloy is disclosed including a base alloy composition and an additive gamma prime antioxidant. The base alloy composition includes a concentration of a gamma prime antioxidant less than an effective concentration of the gamma prime antioxidant. The additive gamma prime antioxidant is intermixed with the base alloy composition to form the modified alloy, preferentially segregating to a gamma prime phase of the modified alloy and increasing the concentration of the gamma prime antioxidant to be at least the effective concentration of the gamma prime antioxidant. The effective concentration imparts reduced oxidation susceptibility of the gamma prime phase. An article is disclosed including the modified alloy. A coated article is disclosed including a coating disposed on a surface of an article having the base alloy composition. The coated article includes a reduced stress accelerated gamma prime oxidation static crack growth susceptibility in comparison with the base alloy composition.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: April 9, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Jon Conrad Schaeffer, Shan Liu, Martin M. Morra, Michael Douglas Arnett
  • Publication number: 20180258791
    Abstract: A component having a hybrid coating system is provided. The component includes a substrate having a surface and a hybrid coating system including a sheet disposed on the surface and a skin. The sheet includes a plurality of interlocking members. The skin includes a plurality of features corresponding to the interlocking members. The skin is engaged to the sheet in an interlocking manner via the interlocking members and the features. A method for forming a component with a hybrid coating system is also disclosed.
    Type: Application
    Filed: March 10, 2017
    Publication date: September 13, 2018
    Inventors: Srikanth Chandrudu KOTTILINGAM, Brian Lee TOLLISON, David Edward SCHICK, Yan CUI, Surinder Singh PABLA, Jon Conrad SCHAEFFER
  • Publication number: 20180209283
    Abstract: A multi-piece part includes multiple pieces fabricated via different types of fabrication processes, wherein the multiple parts are configured to be coupled to one another to form the assembly. At least one of the multiple parts is fabricated via an additive manufacturing method. The multi-piece part also includes a holder assembly that couples and holds together the multiple pieces of the multi-piece part, wherein the holder assembly comprises a reversible, mechanical-type coupling.
    Type: Application
    Filed: January 23, 2017
    Publication date: July 26, 2018
    Inventors: Srikanth Chandrudu Kottilingam, David Edward Schick, Jon Conrad Schaeffer, Steven J. Barnell, Brian Lee Tollison, Yan Cui
  • Patent number: 9995169
    Abstract: A process of forming a calcium-magnesium-aluminosilicate (CMAS) penetration resistant coating, and a CMAS penetration resistant coating are disclosed. The process includes providing a thermal barrier coating having a dopant, and exposing the thermal barrier coating to calcium-magnesium-aluminosilicate and gas turbine operating conditions. The exposing forming a calcium-magnesium-aluminosilicate penetration resistant layer. The coating includes a thermal barrier coating composition comprising a dopant selected from the group consisting of rare earth elements, non-rare earth element solutes, and combinations thereof. Additional or alternatively, the coating includes a thermal barrier coating and an impermeable barrier layer or a washable sacrificial layer positioned on an outer surface of the thermal barrier coating.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: June 12, 2018
    Assignee: General Electric Company
    Inventors: Jon Conrad Schaeffer, Surinder Singh Pabla, Paul Stephen Dimascio, Krishnamurthy Anand, Joshua Lee Margolies, Padmaja Parakala
  • Patent number: 9931818
    Abstract: A method for forming a CMC article is disclosed, including forming a CMC precursor ply assembly. Forming the CMC precursor ply assembly includes laying up a plurality of CMC precursor plies and entraining a melt infiltration agent to form an entrained agent supply. Each of the plurality of CMC precursor plies includes a matrix precursor and a plurality of ceramic fibers. The plurality of CMC precursor plies and the entrained agent supply are arranged to form the CMC precursor ply assembly, which includes an article conformation. The method further includes carbonizing the CMC precursor ply assembly, infusing the melt infiltration agent from the entrained agent supply into the plurality of CMC precursor plies, and densifying the CMC precursor ply assembly with the melt infiltration agent to form the CMC article.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: April 3, 2018
    Assignee: General Electric Company
    Inventors: Jason Robert Parolini, Jon Conrad Schaeffer, Arthur S. Peck, Srikanth Chandrudu Kottilingam, Canan Uslu Hardwicke
  • Publication number: 20180066341
    Abstract: A modified alloy is disclosed including a base alloy composition and an additive gamma prime antioxidant. The base alloy composition includes a concentration of a gamma prime antioxidant less than an effective concentration of the gamma prime antioxidant. The additive gamma prime antioxidant is intermixed with the base alloy composition to form the modified alloy, preferentially segregating to a gamma prime phase of the modified alloy and increasing the concentration of the gamma prime antioxidant to be at least the effective concentration of the gamma prime antioxidant. The effective concentration imparts reduced oxidation susceptibility of the gamma prime phase. An article is disclosed including the modified alloy. A coated article is disclosed including a coating disposed on a surface of an article having the base alloy composition. The coated article includes a reduced stress accelerated gamma prime oxidation static crack growth susceptibility in comparison with the base alloy composition.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 8, 2018
    Inventors: Jon Conrad SCHAEFFER, Shan LIU, Martin M. MORRA, Michael Douglas ARNETT
  • Patent number: 9816392
    Abstract: A method for fabricating thermal barrier coatings. The thermal barrier coatings are produced with a fine grain size by reverse co-precipitation of fine powders. The powders are then sprayed by a solution plasma spray that partially melts the fine powders while producing a fine grain size with dense vertical cracking. The coatings comprise at least one of 45%-65% Yb2O3 the balance zirconia (zirconium oxide), Yb/Y/Hf/Ta the balance zirconia (zirconium oxide) and 2.3-7.8% La, 1.4-5.1% Y and the balance zirconia (zirconium oxide) and are characterized by a thermal conductivity that is about 25-50% lower than that of thermal barrier coatings comprising YSZ. The thermal barrier coatings also are characterized by at least one of excellent erosion resistance, fracture toughness and abrasion resistance.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: November 14, 2017
    Assignee: General Electric Company
    Inventors: Padmaja Parakala, Surinder Singh Pabla, Joshua Lee Margolies, James Anthony Ruud, Krishnamurthy Anand, Jon Conrad Schaeffer
  • Publication number: 20170159488
    Abstract: A thermal management article is disclosed including a substrate and a first coating disposed on the substrate. The first coating includes a first coating surface and at least one passageway disposed between the substrate and the first coating surface. The at least one passageway defines at least one fluid pathway. A method for forming a thermal management article is disclosed including attaching at least one passageway to a substrate. The at least one passageway includes a passageway wall having a wall thickness and defines at least one fluid pathway. A first coating is applied to the substrate and the passageway wall, forming a first coating surface. The at least one passageway is disposed between the substrate and the first coating surface.
    Type: Application
    Filed: December 8, 2015
    Publication date: June 8, 2017
    Inventors: Srikanth Chandrudu KOTTILINGAM, Jon Conrad SCHAEFFER, Brian Lee TOLLISON, Yan CUI, David Edward SCHICK
  • Patent number: 9650705
    Abstract: A titanium aluminide application process and article with a titanium aluminide surface are disclosed. The process includes cold spraying titanium aluminide onto an article within a treatment region to form a titanium aluminide surface. The titanium aluminide surface includes a refined gamma/alpha2 structure and/or the titanium aluminide is cold sprayed from a solid feedstock of a pre-alloyed powder.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: May 16, 2017
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Jon Conrad Schaeffer, Krishnamurthy Anand, Sundar Amancherla, Eklayva Calla
  • Publication number: 20170107602
    Abstract: A coating method is disclosed including forming a first layer on a substrate and forming a second layer on the first layer. Forming the first layer includes applying virgin powder particles containing at least one rare-earth doped ceramic oxide onto the substrate. Forming the second layer includes applying recycled powder particles containing the at least one rare-earth doped ceramic oxide and at least one extraneous material onto the first layer. Another coating method is disclosed including mixing the virgin powder particles with the recycled powder particles to form a mixture of powder particles, and applying the mixture of powder particles onto the substrate. A coated article is disclosed including a substrate and a coating on the substrate, the coating including virgin powder particles of at least one rare-earth doped ceramic oxide and recycled powder particles including the at least one rare-earth doped ceramic oxide and at least one extraneous material.
    Type: Application
    Filed: October 20, 2015
    Publication date: April 20, 2017
    Inventors: Yuk-Chiu LAU, David Vincent BUCCI, Nicole Jessica TIBBETTS, Jon Conrad SCHAEFFER
  • Publication number: 20170101707
    Abstract: A treated component and methods for forming a treated component are disclosed. The methods include providing an untreated component having an untreated creep strength. The untreated component is formed by a three-dimensional printing process, and is treated to yield the treated component having a treated creep strength. The treated component comprises an arrangement formed by the three-dimensional printing process, wherein the arrangement has been subjected to treating to increase creep strength.
    Type: Application
    Filed: December 16, 2016
    Publication date: April 13, 2017
    Inventors: Srikanth Chandrudu KOTTILINGAM, Jon Conrad SCHAEFFER
  • Publication number: 20170073806
    Abstract: An article treatment method includes providing an article including a substrate composed of a substrate material having an undesirable substrate feature. The undesirable substrate feature may include a recess, and a portion of the substrate containing the undesirable substrate feature may be removed to form a recess in a surface of the substrate. A feedstock mixture including a filler material and a liquid carrier is introduced into an HVAF apparatus having a combustion gas stream with a temperature greater than the melting point of the filler material. The filler material is applied to the recess by expelling the filler material while maintained at a temperature less than the melting point of the filler material by the liquid carrier. The filler material and an area of the substrate bordering the recess are heat treated, forming a treated portion.
    Type: Application
    Filed: September 10, 2015
    Publication date: March 16, 2017
    Inventors: Jon Conrad SCHAEFFER, Andrew Joseph DETOR
  • Patent number: 9555612
    Abstract: A treated component and methods for forming a treated component are disclosed. The methods include providing an untreated component having an untreated creep strength. The untreated component is formed by a three-dimensional printing process, and is treated to yield the treated component having a treated creep strength. The treated component comprises an arrangement formed by the three-dimensional printing process, wherein the arrangement has been subjected to treating to increase creep strength.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: January 31, 2017
    Assignee: General Electric Company
    Inventors: Srikanth Chandrudu Kottilingam, Jon Conrad Schaeffer
  • Publication number: 20160184888
    Abstract: An article and a method for forming a single crystal casting are disclosed. The article includes a single crystal nickel-based superalloy having a composition including greater than about 80 ppm boron (B) and a substantially single crystal microstructure with at least one grain boundary. A creep rupture strength of the article is substantially maintained up to a mismatched grain boundary of about 40 degrees. The method for forming a single crystal casting includes positioning a mold on a cooling plate, the mold including a single crystal selector, providing a molten nickel-based superalloy composition in the mold, the molten composition including greater than about 80 ppm boron (B), cooling the molten composition with the cooling plate, and forming a unidirectional temperature gradient by withdrawing the mold from within a heat source to form the single crystal casting including a substantially single crystal microstructure having at least one grain boundary.
    Type: Application
    Filed: September 5, 2014
    Publication date: June 30, 2016
    Inventors: Arthur S. PECK, Warren Tan KING, Jon Conrad SCHAEFFER
  • Publication number: 20160145728
    Abstract: A titanium aluminide application process and article with a titanium aluminide surface are disclosed. The process includes cold spraying titanium aluminide onto an article within a treatment region to form a titanium aluminide surface. The titanium aluminide surface includes a refined gamma/alpha2 structure and/or the titanium aluminide is cold sprayed from a solid feedstock of a pre-alloyed powder.
    Type: Application
    Filed: May 17, 2013
    Publication date: May 26, 2016
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Jon Conrad SCHAEFFER, Krishnamurthy Anand, Sundar Amancherla, Eklayva Calla
  • Patent number: 9132528
    Abstract: A system for refurbishing at least one article attached to an assembly includes a refurbishing vessel that contains at least one wall and at least one open portion; means for providing an abrasive media to the vessel, wherein the abrasive media is caused to flow around the surfaces of the at least one article when the vessel is positioned on the at least one article; means for conformably sealing the at least one open portion against the flow of abrasive media, wherein a seal is created that conforms to the contours of the at least one article and prevents the abrasive media from escaping between the at least one article and the at least one wall; and means for removing the abrasive media from the vessel.
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: September 15, 2015
    Assignee: General Electric Company
    Inventors: Sanji Ekanayake, Jon Conrad Schaeffer, Surinder Singh Pabla, Alston Ilford Scipio, Ishmael Dean-El
  • Publication number: 20150231796
    Abstract: A treated component and methods for forming a treated component are disclosed. The methods include providing an untreated component having an untreated creep strength. The untreated component is formed by a three-dimensional printing process, and is treated to yield the treated component having a treated creep strength. The treated component comprises an arrangement formed by the three-dimensional printing process, wherein the arrangement has been subjected to treating to increase creep strength.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 20, 2015
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Srikanth Chandrudu KOTTILINGAM, Jon Conrad SCHAEFFER
  • Patent number: 9034247
    Abstract: A cobalt-nickel base alloy is disclosed. The alloy includes, in weight percent: greater than about 4 % of Al, about 10 to about 20 % of W, about 10 to about 40 % Ni, about 5 to 20 % Cr and the balance Co and incidental impurities. The alloy has a microstructure that is substantially free of a CoAl phase having a B2 crystal structure and configured to form a continuous, adherent aluminum oxide layer on an alloy surface upon exposure to a high-temperature oxidizing environment. A method of making an article of the alloy includes: selecting the alloy; forming an article from the alloy; solution-treating the alloy; and aging the alloy to form an alloy microstructure that is substantially free of a CoAl phase having a B2 crystal structure, wherein the alloy is configured to form a continuous, adherent aluminum oxide layer on an alloy surface upon exposure to a high-temperature oxidizing environment.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: May 19, 2015
    Assignee: General Electric Company
    Inventors: Akane Suzuki, Andrew John Elliott, Michael Francis Xavier Gigliotti, Jr., Kathleen Blanche Morey, Jon Conrad Schaeffer, Pazhayannur Subramanian