Patents by Inventor James Scott Vartuli
James Scott Vartuli 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).
-
Ceramic matrix composite articles having different localized properties and methods for forming same
Patent number: 11890836Abstract: Ceramic matrix composite articles include, for example a first plurality of plies of ceramic fibers in a ceramic matrix defining a first extent, and a local at least one second ply in said ceramic matrix defining a second extent on and/or in said first plurality of plies with the second extent being less than said first extent. The first plurality of plies has a first property, the at least one second ply has at least one second property, and said first property being different from said at least one second property. The different properties may include one or more different mechanical (stress/strain) properties, one or more different thermal conductivity properties, one or more different electrical conductivity properties, one or more different other properties, and combinations thereof.Type: GrantFiled: June 28, 2022Date of Patent: February 6, 2024Assignee: General Electric CompanyInventors: Matthew Hockemeyer, Jason David Shapiro, K. M. K. Genghis Khan, James Scott Vartuli, Daniel Gene Dunn, Shatil Sinha, Douglas Decesare, Suresh Subramanian -
CERAMIC MATRIX COMPOSITE ARTICLES HAVING DIFFERENT LOCALIZED PROPERTIES AND METHODS FOR FORMING SAME
Publication number: 20220324206Abstract: Ceramic matrix composite articles include, for example a first plurality of plies of ceramic fibers in a ceramic matrix defining a first extent, and a local at least one second ply in said ceramic matrix defining a second extent on and/or in said first plurality of plies with the second extent being less than said first extent. The first plurality of plies has a first property, the at least one second ply has at least one second property, and said first property being different from said at least one second property. The different properties may include one or more different mechanical (stress/strain) properties, one or more different thermal conductivity properties, one or more different electrical conductivity properties, one or more different other properties, and combinations thereof.Type: ApplicationFiled: June 28, 2022Publication date: October 13, 2022Inventors: Matthew Hockemeyer, Jason David Shapiro, K.M.K. Genghis Khan, James Scott Vartuli, Daniel Gene Dunn, Shatil Sinha, Douglas Decesare, Suresh Subramanian -
Ceramic matrix composite articles having different localized properties and methods for forming same
Patent number: 11383494Abstract: Ceramic matrix composite articles include, for example a first plurality of plies of ceramic fibers in a ceramic matrix defining a first extent, and a local at least one second ply in said ceramic matrix defining a second extent on and/or in said first plurality of plies with the second extent being less than said first extent. The first plurality of plies has a first property, the at least one second ply has at least one second property, and said first property being different from said at least one second property. The different properties may include one or more different mechanical (stress/strain) properties, one or more different thermal conductivity properties, one or more different electrical conductivity properties, one or more different other properties, and combinations thereof.Type: GrantFiled: July 1, 2016Date of Patent: July 12, 2022Assignee: General Electric CompanyInventors: Matthew Hockemeyer, Jason David Shapiro, K.M.K. Genghis Khan, James Scott Vartuli, Daniel Gene Dunn, Shatil Sinha, Douglas Decesare, Suresh Subramanian -
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
-
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
-
Publication number: 20180230062Abstract: Systems and methods for forming ceramic matrix composite (CMC) components are provided. The CMC component includes a reinforcement material having a plurality of filaments that are at least partially electrically conductive. The plurality of filaments are charged by a charging element with an electric charge of the same sign such that adjacent filaments are in an expanded spatial relationship relative to one another while being coated. While in the expanded spatial relationship, the filaments can also be pulled through a matrix slurry.Type: ApplicationFiled: February 13, 2017Publication date: August 16, 2018Inventors: Theodore Robert Grossman, James Scott Vartuli, Steven Robert Hayashi
-
Patent number: 9966578Abstract: An article is presented. The article includes a seal ring configured for use in an energy storage device, the seal ring comprising a first portion and a second portion that each include an alumina-based cermet, that comprises a sufficient amount of metal or metal alloy to be weldable, and the cermet comprises a ceramic material selected from a group consisting of silica, yttria, and ytterbia, and the seal ring further comprises a third region intervening between the first portion and the second portion that is sufficiently electrically insulative and of sufficient thickness to electrically isolate the first portion from the second portion.Type: GrantFiled: September 3, 2015Date of Patent: May 8, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Craig Stringer, Dennis Joseph Dalpe, James Scott Vartuli, James Anthony Brewer
-
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
-
CERAMIC MATRIX COMPOSITE ARTICLES HAVING DIFFERENT LOCALIZED PROPERTIES AND METHODS FOR FORMING SAME
Publication number: 20180002238Abstract: Ceramic matrix composite articles include, for example a first plurality of plies of ceramic fibers in a ceramic matrix defining a first extent, and a local at least one second ply in said ceramic matrix defining a second extent on and/or in said first plurality of plies with the second extent being less than said first extent. The first plurality of plies has a first property, the at least one second ply has at least one second property, and said first property being different from said at least one second property. The different properties may include one or more different mechanical (stress/strain) properties, one or more different thermal conductivity properties, one or more different electrical conductivity properties, one or more different other properties, and combinations thereof.Type: ApplicationFiled: July 1, 2016Publication date: January 4, 2018Applicant: GENERAL ELECTRIC COMPANYInventors: Matthew HOCKEMEYER, Jason David Shapiro, K.M.K. Genghis Khan, James Scott Vartuli, Daniel Gene Dunn, Shatil Sinha, Douglas Decesare, Suresh Subramanian -
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
-
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
-
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
-
Publication number: 20150380696Abstract: An article is presented. The article includes a seal ring configured for use in an energy storage device, the seal ring comprising a first portion and a second portion that each include an alumina-based cermet, that comprises a sufficient amount of metal or metal alloy to be weldable, and the cermet comprises a ceramic material selected from a group consisting of silica, yttria, and ytterbia, and the seal ring further comprises a third region intervening between the first portion and the second portion that is sufficiently electrically insulative and of sufficient thickness to electrically isolate the first portion from the second portion.Type: ApplicationFiled: September 3, 2015Publication date: December 31, 2015Inventors: Craig Stringer, Dennis Joseph Dalpe, James Scott Vartuli, James Anthony Brewer
-
Patent number: 9166214Abstract: An article includes a seal ring for an energy storage device. The seal ring has a weldable first portion and a weldable second portion. The first and second portions are electrically isolatable from each other by an electrically insulating third portion.Type: GrantFiled: August 19, 2008Date of Patent: October 20, 2015Assignee: General Electric CompanyInventors: Craig Stringer, Charles Dominic Iacovangelo, Dennis Joseph Dalpe, James Scott Vartuli, James Anthony Brewer
-
Patent number: 8299709Abstract: A lamp is provided with an axially and radially graded structure to reduce the possibility of thermal stresses, cracks, and other defects in the lamp. In one embodiment, a system includes a ceramic lamp having a ceramic arc envelope and an end structure coupled to the ceramic arc envelope, wherein the end structure is graded both axially and radially into a plurality of regions. In another embodiment, a system includes a lamp having a layered end structure with a plurality of layers disposed one over another and that extend in both axial and radial directions relative to an axis of the lamp, wherein the plurality of layers include different materials having different coefficients of thermal expansion, Poisson's ratios, or elastic moduli, or a combination thereof.Type: GrantFiled: February 5, 2007Date of Patent: October 30, 2012Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Dennis Joseph Dalpe, Bruce Alan Knudsen, Mohamed Rahmane, Svetlana Selezneva, James Scott Vartuli, James Anthony Brewer
-
Patent number: 8053990Abstract: A system, in certain embodiments, includes a high intensity discharge lamp having a composite leg. The composite leg includes a plurality of leg sections coupled together in series. The plurality of leg sections includes different materials, coefficients of thermal expansion, Poisson's ratios, or elastic moduli, or a combination thereof. A method, in certain embodiments, includes enclosing a high intensity discharge within a ceramic arc envelope. The method also includes reducing thermal stresses associated with the high intensity discharge via a composite leg extending outwardly from the ceramic arc envelope. The composite leg includes a plurality of leg sections coupled together in series. The plurality of leg sections includes different materials, coefficients of thermal expansion, Poisson's ratios, or elastic moduli, or a combination thereof.Type: GrantFiled: September 20, 2007Date of Patent: November 8, 2011Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Bruce Alan Knudsen, Mohamed Rahmane, James Scott Vartuli, James Anthony Brewer
-
Patent number: 7852006Abstract: A lamp comprising an arc envelope and a molybdenum-rhenium end structure coupled to the arc envelope.Type: GrantFiled: June 30, 2005Date of Patent: December 14, 2010Assignee: General Electric CompanyInventors: Bernard Patrick Bewlay, Bruce Alan Knudsen, Mohamed Rahmane, James Anthony Brewer, James Scott Vartuli, Alan George Chalmers
-
Publication number: 20100230601Abstract: A polycrystalline scintillator composition is provided. The polycrystalline scintillator composition is capable of being sintered to form a body having a pulse height resolution that is less than about 20 percent at 662 kilo electron volts. Also, an article formed form the polycrystalline scintillator composition is provided, as well as a radiation detector including the article.Type: ApplicationFiled: January 30, 2007Publication date: September 16, 2010Applicant: General Electric CompanyInventors: Sergio Paulo Martins Loureiro, Alok Mani Srivastava, Kevin Paul McEvoy, Venkat Subramaniam Venkataramani, Steven Jude Duclos, James Scott Vartuli, Carl Joshua Vess
-
Patent number: 7720321Abstract: A fiber optic sensor including a fiber having a modified surface integral with the fiber wherein the modified surface includes an open pore network with optical agents dispersed within the open pores of the open pore network. Methods for preparing the fiber optic sensor are also provided. The fiber optic sensors can withstand high temperatures and harsh environments.Type: GrantFiled: July 20, 2007Date of Patent: May 18, 2010Assignee: General Electric CompanyInventors: James Scott Vartuli, Kenneth Sherwood Bousman, Kung-Li Deng, Kevin Paul McEvoy, Hua Xia
-
Patent number: 7700003Abstract: A method is provided that includes heating a powder to a temperature that is below the melting point of the scintillator composition but is sufficiently high to form a coherent mass. The powder includes a scintillator composition. The coherent mass is polycrystalline and has a pulse height resolution that is less than 20 percent at 662 kilo electron volts; a light yield of more than 5000 photons per milli electron volt; or both a pulse height resolution that is less than 20 percent at 662 kilo electron volts and a light yield of more than 5000 photons per milli electron. A sintered body is provided also.Type: GrantFiled: January 30, 2007Date of Patent: April 20, 2010Assignee: General Electric CompanyInventors: Sergio Paulo Martins Loureiro, Alok Mani Srivastava, Kevin Paul McEvoy, Venkat Subramaniam Venkataramani, Steven Jude Duclos, James Scott Vartuli, Carl Joshua Vess