Patents by Inventor James Anthony Ruud
James Anthony Ruud 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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Publication number: 20220411901Abstract: An oxide dispersion strengthened refractory-based alloy is provided, along with methods of its formation and use. The oxide dispersion strengthened refractory-based alloy may include a refractory-based alloy comprising two or more refractory elements and forming a continuous phase; and a rare earth refractory oxide comprising at least one rare earth element and at least one of the two or more refractory elements. The rare earth refractory oxide forms discrete particles within the continuous phase, and the oxide dispersion strengthened refractory-based alloy comprises 0.1 volume % to 5 volume % of the rare earth refractory oxide.Type: ApplicationFiled: June 29, 2021Publication date: December 29, 2022Inventors: Richard DiDomizio, Andrew Joseph Detor, James Anthony Ruud, Christopher Thomas McLasky
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Patent number: 10800710Abstract: A ceramic fiber processing apparatus and method for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs) is provided. The apparatus includes a frame including a plurality of unidirectional ceramic fibers wound thereabout and extending across a void therein the frame to define a first planar array of ceramic fibers and a second planar array of ceramic fibers. During use, the frame is disposed in the ceramic fiber processing apparatus in a manner to enable gripping of the first planar array of ceramic fibers with a first gripper assembly and gripping of the second planar array of ceramic fibers with a second gripper assembly. A cutting mechanism provides cutting of the plurality of unidirectional ceramic fibers to separate the first planar array of ceramic fibers and the second planar array of ceramic fibers from one another.Type: GrantFiled: January 10, 2018Date of Patent: October 13, 2020Assignee: General Electric CompanyInventors: Danilo Veljkovic, Robert Hanet, James Anthony Ruud, Thomas Joseph Post
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Patent number: 10704133Abstract: A system and method described herein relate to applying an overlay metal-based coating to a metal-based substrate. An article is provided, which includes a metal-based substrate having an overlay metal-based coating disposed on the substrate at an interface. The interface is configured such that a crack formed within the overlay metal-based coating and approaching the interface has a propagation path that is more energetically favorable along the interface than through the interface and into the metal-based substrate.Type: GrantFiled: October 10, 2017Date of Patent: July 7, 2020Assignee: GENERAL ELECTRIC COMPANYInventors: Andrew Joseph Detor, Richard DiDomizio, James Anthony Ruud, Soumya Nag
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Publication number: 20200024718Abstract: The present application provides Calcia-Magnesia-Alumina-Silica (CMAS) (or molten silicate) resistant thermal barrier coatings (IBC). The coatings include elongate growth domains of non-equiaxed, randomly arranged overlapping grains or splats. The elongate growth domains include overlapping individual, randomly distributed splats of tough and soft phases. In some embodiments, the elongate growth domains are formed via air plasma spray. In some embodiments, the tough phases are at least partially stabilized zirconia and/or hafnia compositions, and the soft phases are CMAS (or molten silicate) reactive or resistant compositions. Within each elongate growth domain, the mixture of the tough and soft phases act together to limit penetration of CMAS and also provide sufficient domain toughness to minimize cracking forces produced during crystallization of infiltrated CMAS.Type: ApplicationFiled: December 13, 2018Publication date: January 23, 2020Inventors: Larry Steven Rosenzweig, James Anthony Ruud, Shankar Sivaramakrishnan
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Patent number: 10370292Abstract: The present application provides methods and apparatus for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs). One method may include providing at least one frame including a planar array of unidirectional ceramic fibers extending across a void thereof. The method may further include depositing a coating on the ceramic fibers of the at least one frame via a chemical vapor deposition (CVD) process. The method may also include impregnating the coated ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg, such as a prepreg tape. The ceramic fibers may be substantially SiC fibers, for example.Type: GrantFiled: October 5, 2017Date of Patent: August 6, 2019Assignee: General Electric CompanyInventors: Daniel Gene Dunn, James Anthony Ruud, Pierre-Andre Bui, Gregory Scot Corman, James Scott Vartuli
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Publication number: 20190210932Abstract: A ceramic fiber processing apparatus and method for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs) is provided. The apparatus includes a frame including a plurality of unidirectional ceramic fibers wound thereabout and extending across a void therein the frame to define a first planar array of ceramic fibers and a second planar array of ceramic fibers. During use, the frame is disposed in the ceramic fiber processing apparatus in a manner to enable gripping of the first planar array of ceramic fibers with a first gripper assembly and gripping of the second planar array of ceramic fibers with a second gripper assembly. A cutting mechanism provides cutting of the plurality of unidirectional ceramic fibers to separate the first planar array of ceramic fibers and the second planar array of ceramic fibers from one another.Type: ApplicationFiled: January 10, 2018Publication date: July 11, 2019Inventors: Danilo Veljkovic, Robert Hanet, James Anthony Ruud, Thomas Joseph Post
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Publication number: 20190106779Abstract: A system and method described herein relate to applying an overlay metal-based coating to a metal-based substrate. An article is provided, which includes a metal-based substrate having an overlay metal-based coating disposed on the substrate at an interface. The interface is configured such that a crack formed within the overlay metal-based coating and approaching the interface has a propagation path that is more energetically favorable along the interface than through the interface and into the metal-based substrate.Type: ApplicationFiled: October 10, 2017Publication date: April 11, 2019Inventors: Andrew Joseph Detor, Richard DiDomizio, James Anthony Ruud, Soumya Nag
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Patent number: 10179945Abstract: The present application provides Calcia-Magnesia-Alumina-Silica (CMAS) (or molten silicate) resistant thermal barrier coatings (TBC). The coatings include elongate growth domains of non-equiaxed, randomly arranged overlapping grains or splats. The elongate growth domains include overlapping individual, randomly distributed splats of tough and soft phases. In some embodiments, the elongate growth domains are formed via air plasma spray. In some embodiments, the tough phases are at least partially stabilized zirconia and/or hafnia compositions, and the soft phases are CMAS (or molten silicate) reactive or resistant compositions. Within each elongate growth domain, the mixture of the tough and soft phases act together to limit penetration of CMAS and also provide sufficient domain toughness to minimize cracking forces produced during crystallization of infiltrated CMAS.Type: GrantFiled: December 16, 2013Date of Patent: January 15, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Larry Steven Rosenzweig, James Anthony Ruud, Shankar Sivaramakrishnan
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Publication number: 20180245194Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: ApplicationFiled: April 27, 2018Publication date: August 30, 2018Inventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Patent number: 10052789Abstract: The present application provides methods and apparatus for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs). One method may include providing at least one frame including a planar array of unidirectional ceramic fibers extending across a void thereof. The method may further include at least one of depositing a coating on the ceramic fibers of the at least one frame via a chemical vapor deposition (CVD) process and impregnating the ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg. In some embodiments, the ceramic fibers of the planar array may include a coating, and the method may include impregnating the coated ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg.Type: GrantFiled: November 25, 2015Date of Patent: August 21, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Daniel Gene Dunn, James Anthony Ruud, Pierre-Andre Bui, Gregory Scot Corman, James Scott Vartuli
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Patent number: 10017844Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: GrantFiled: December 18, 2015Date of Patent: July 10, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Patent number: 9931815Abstract: Coatings for substrates, such as superalloy substrates, are provided. The coating can include: 15 wt % to 45 wt % cobalt; 20 wt % to 40 wt % chromium; 2 wt % to 15 wt % aluminum; 0.1 wt % to 1 wt % yttrium; and nickel. The coatings may include nickel, cobalt, chromium and aluminum, and other optional additives to improve oxidation and corrosion resistance of the substrate without significant debit to its mechanical properties.Type: GrantFiled: March 12, 2014Date of Patent: April 3, 2018Assignee: General Electric CompanyInventors: David Paul Mourer, Leonardo Ajdelsztajn, Kenneth Rees Bain, Andrew Joseph Detor, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Publication number: 20180029928Abstract: The present application provides methods and apparatus for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs). One method may include providing at least one frame including a planar array of unidirectional ceramic fibers extending across a void thereof. The method may further include depositing a coating on the ceramic fibers of the at least one frame via a chemical vapor deposition (CVD) process. The method may also include impregnating the coated ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg, such as a prepreg tape. The ceramic fibers may be substantially SiC fibers, for example.Type: ApplicationFiled: October 5, 2017Publication date: February 1, 2018Inventors: Daniel Gene DUNN, James Anthony RUUD, Pierre-Andre BUI, Gregory Scot CORMAN, James Scott VARTULI
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Patent number: 9816392Abstract: 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: GrantFiled: April 10, 2013Date of Patent: November 14, 2017Assignee: General Electric CompanyInventors: Padmaja Parakala, Surinder Singh Pabla, Joshua Lee Margolies, James Anthony Ruud, Krishnamurthy Anand, Jon Conrad Schaeffer
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Patent number: 9815736Abstract: The present application provides methods and apparatus for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs). One method may include providing at least one frame including a planar array of unidirectional ceramic fibers extending across a void thereof. The method may further include depositing a coating on the ceramic fibers of the at least one frame via a chemical vapor deposition (CVD) process. The method may also include impregnating the coated ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg, such as a prepreg tape. The ceramic fibers may be substantially SiC fibers, for example.Type: GrantFiled: November 25, 2015Date of Patent: November 14, 2017Assignee: General Electric CompanyInventors: Daniel Gene Dunn, James Anthony Ruud, Pierre-Andre Bui, Gregory Scot Corman, James Scott Vartuli
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Publication number: 20170175244Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: ApplicationFiled: December 18, 2015Publication date: June 22, 2017Inventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Publication number: 20170144329Abstract: The present application provides methods and apparatus for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs). One method may include providing at least one frame including a planar array of unidirectional ceramic fibers extending across a void thereof. The method may further include at least one of depositing a coating on the ceramic fibers of the at least one frame via a chemical vapor deposition (CVD) process and impregnating the ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg. In some embodiments, the ceramic fibers of the planar array may include a coating, and the method may include impregnating the coated ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg.Type: ApplicationFiled: November 25, 2015Publication date: May 25, 2017Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel Gene DUNN, James Anthony RUUD, Pierre-Andre BUI, Gregory Scot CORMAN, James Scott VARTULI
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Publication number: 20170144925Abstract: The present application provides methods and apparatus for processing ceramic fibers for the manufacture of ceramic matrix composites (CMCs). One method may include providing at least one frame including a planar array of unidirectional ceramic fibers extending across a void thereof. The method may further include depositing a coating on the ceramic fibers of the at least one frame via a chemical vapor deposition (CVD) process. The method may also include impregnating the coated ceramic fibers with a slurry including a ceramic matrix precursor composition to form at least one CMC prepreg, such as a prepreg tape. The ceramic fibers may be substantially SiC fibers, for example.Type: ApplicationFiled: November 25, 2015Publication date: May 25, 2017Applicant: GENERAL ELECTRIC COMPANYInventors: Daniel Gene DUNN, James Anthony RUUD, Pierre-Andre BUI, Gregory Scot CORMAN, James Scott VARTULI
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Publication number: 20170101875Abstract: A method for coating a surface of a substrate is provided. The method includes providing a suspension or a precursor comprising feedstock material suspended in a liquid medium. Further, the method includes spraying the suspension or the precursor onto the surface at a spray angle less than about 75 degrees to a tangent of the surface.Type: ApplicationFiled: December 20, 2016Publication date: April 13, 2017Inventors: Larry Steven Rosenzweig, James Anthony Ruud, Shankar Sivaramakrishnan
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Patent number: 9611391Abstract: One aspect of the present invention includes an article. The article includes a substrate and a coating disposed on the substrate, wherein the coating includes a plurality of cermet particles bonded along their prior particle boundaries. The plurality of cermet particles have a median particle size less than about 5 microns and less than 25 percent of the plurality of cermet particles include melted and re-solidified particles. Gate valves are also presented.Type: GrantFiled: March 3, 2014Date of Patent: April 4, 2017Assignee: General Electric CompanyInventors: Leonardo Ajdelsztajn, James Anthony Ruud, Dennis Michael Gray