Patents by Inventor Leonardo Ajdelsztajn
Leonardo Ajdelsztajn 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: 20230417147Abstract: A component for a turbine engine may be formed by spraying particulate with a nozzle toward a substrate. The particulate may be deposited to form one or more annular layers and a reinforcing structure. The component may be a closed loop annular component having a reinforcing structure of specific dimensions enabled by the methods described.Type: ApplicationFiled: September 12, 2023Publication date: December 28, 2023Inventors: Apostolos Pavlos Karafillis, Eric Dean Jorgensen, Craig Douglas Young, Jonathan Harry Kerner, Leonardo Ajdelsztajn
-
Patent number: 11781437Abstract: A component for a turbine engine may be formed by spraying particulate with a nozzle toward a substrate. The particulate may be deposited to form one or more annular layers and a reinforcing structure. The component may be a closed loop annular component having a reinforcing structure of specific dimensions enabled by the methods described.Type: GrantFiled: May 4, 2021Date of Patent: October 10, 2023Assignee: General Electric CompanyInventors: Apostolos Pavlos Karafillis, Eric Dean Jorgensen, Craig Douglas Young, Jonathan Harry Kerner, Leonardo Ajdelsztajn
-
Publication number: 20230250756Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for a structure of an engine component, including a first plurality of unit cells offset from a neutral plane in a first direction, a second plurality of unit cells offset from the neutral plane in a second direction, a plurality of nodes joining ones of the first plurality of unit cells and ones of the second plurality of unit cells, wherein the first plurality of unit cells and the second plurality of unit cells are arranged in pairs such that ones of the first plurality of unit cells are laterally adjacent to and interconnected with ones of the second plurality of unit cells, and wherein the structure is a stiffened structure.Type: ApplicationFiled: March 20, 2023Publication date: August 10, 2023Inventors: Apostolos Karafillis, Jonathan H. Kerner, Eric Dean Jorgensen, Leonardo Ajdelsztajn
-
Patent number: 11608780Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for a structure of an engine component, including a first plurality of unit cells offset from a neutral plane in a first direction, a second plurality of unit cells offset from the neutral plane in a second direction, a plurality of nodes joining ones of the first plurality of unit cells and ones of the second plurality of unit cells, wherein the first plurality of unit cells and the second plurality of unit cells are arranged in pairs such that ones of the first plurality of unit cells are laterally adjacent to and interconnected with ones of the second plurality of unit cells, and wherein the structure is a stiffened structure.Type: GrantFiled: December 14, 2021Date of Patent: March 21, 2023Assignee: General Electric CompanyInventors: Apostolos Karafillis, Jonathan H. Kerner, Eric Dean Jorgensen, Leonardo Ajdelsztajn
-
Patent number: 11600454Abstract: A contact assembly for an electrical device and a method for making such an assembly are presented. The contact assembly comprises a substrate and a contact material disposed on the substrate. The contact material comprises a composite material comprising a refractory material and a matrix material. The matrix material has a higher ductility than the refractory material. The composite material further comprises a core region and an outer region bounding the core region, the core region having a higher concentration of the refractory material than the outer region. The method applies cold spraying a blended feedstock to produce a layer that includes the composite material described above.Type: GrantFiled: October 12, 2019Date of Patent: March 7, 2023Assignee: ABB Schweiz AGInventors: Katherine Marjorie Coughlin, Leonardo Ajdelsztajn, Jeffrey Jon Schoonover, Samuel Stephen Kim, Linda Yvonne Jacobs, Maxime Michel Pean
-
Publication number: 20220356807Abstract: A component for a turbine engine may be formed by spraying particulate with a nozzle toward a substrate. The particulate may be deposited to form one or more annular layers and a reinforcing structure. The component may be a closed loop annular component having a reinforcing structure of specific dimensions enabled by the methods described.Type: ApplicationFiled: May 4, 2021Publication date: November 10, 2022Inventors: Apostolos Pavlos Karafillis, Eric Dean Jorgensen, Craig Douglas Young, Jonathan Harry Kerner, Leonardo Ajdelsztajn
-
Publication number: 20220120219Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for a structure of an engine component, including a first plurality of unit cells offset from a neutral plane in a first direction, a second plurality of unit cells offset from the neutral plane in a second direction, a plurality of nodes joining ones of the first plurality of unit cells and ones of the second plurality of unit cells, wherein the first plurality of unit cells and the second plurality of unit cells are arranged in pairs such that ones of the first plurality of unit cells are laterally adjacent to and interconnected with ones of the second plurality of unit cells, and wherein the structure is a stiffened structure.Type: ApplicationFiled: December 14, 2021Publication date: April 21, 2022Inventors: Apostolos Karafillis, Jonathan H. Kerner, Eric Dean Jorgensen, Leonardo Ajdelsztajn
-
Patent number: 11230971Abstract: Methods, apparatus, systems and articles of manufacture are disclosed for a structure of an engine component, including a first plurality of unit cells offset from a neutral plane in a first direction, a second plurality of unit cells offset from the neutral plane in a second direction, a plurality of nodes joining ones of the first plurality of unit cells and ones of the second plurality of unit cells, wherein the first plurality of unit cells and the second plurality of unit cells are arranged in pairs such that ones of the first plurality of unit cells are laterally adjacent to and interconnected with ones of the second plurality of unit cells, and wherein the structure is a stiffened structure.Type: GrantFiled: October 19, 2020Date of Patent: January 25, 2022Assignee: General Electric CompanyInventors: Apostolos Karafillis, Jonathan H. Kerner, Eric Dean Jorgensen, Leonardo Ajdelsztajn
-
Patent number: 11104998Abstract: A method is provided for adding material to a turbine engine component. The method includes cold spraying a powder towards a region of the component to form a deposit on the region of the component, the component being formed of a parent material, the parent material being a superalloy or a titanium alloy and defining a parent material property value, and the deposit defining a deposit material property value equal to at least fifty percent of the parent material property.Type: GrantFiled: July 20, 2019Date of Patent: August 31, 2021Assignee: General Electric CompanyInventors: Mark Dean Pezzutti, Leonardo Ajdelsztajn
-
Patent number: 10989223Abstract: Methods for repairing flange bolt holes and the resulting flange bolt holes are provided. The methods and products include the incorporation of a coating system comprising a corrosion resistant layer, which can be formed by resistance plug welding, slurry or sol-gel processing, or thermal/cold spray processing. The corrosion resistant layer can be a super alloy or ceramic material and is different than the base material of the flange bolt hole. Corrosion of the flange bolt hole can be reduced or prevented from occurring with the use of the coating system.Type: GrantFiled: February 6, 2017Date of Patent: April 27, 2021Assignee: General Electric CompanyInventors: Bala Srinivasan Parthasarathy, Guruprasad Sundararajan, Evan Jarrett Dolley, Jr., Leonardo Ajdelsztajn
-
Publication number: 20210017651Abstract: A method is provided for adding material to a turbine engine component. The method includes cold spraying a powder towards a region of the component to form a deposit on the region of the component, the component being formed of a parent material, the parent material being a superalloy or a titanium alloy and defining a parent material property value, and the deposit defining a deposit material property value equal to at least fifty percent of the parent material property.Type: ApplicationFiled: July 20, 2019Publication date: January 21, 2021Inventors: Mark Dean Pezzutti, Leonardo Ajdelsztajn
-
Publication number: 20200043675Abstract: A contact assembly for an electrical device and a method for making such an assembly are presented. The contact assembly comprises a substrate and a contact material disposed on the substrate. The contact material comprises a composite material comprising a refractory material and a matrix material. The matrix material has a higher ductility than the refractory material. The composite material further comprises a core region and an outer region bounding the core region, the core region having a higher concentration of the refractory material than the outer region. The method applies cold spraying a blended feedstock to produce a layer that includes the composite material described above..Type: ApplicationFiled: October 12, 2019Publication date: February 6, 2020Inventors: Leonardo Ajdelsztajn, Jeffrey Jon Schoonover, Samuel Stephen Kim, Linda Yvonne Jacobs, Maxime Michel Pean, Katherine Marjorie Coughlin
-
Patent number: 10446336Abstract: A contact assembly for an electrical device and a method for making such an assembly are presented. The contact assembly comprises a substrate and a contact material disposed on the substrate. The contact material comprises a composite material comprising a refractory material and a matrix material. The matrix material has a higher ductility than the refractory material. The composite material further comprises a core region and an outer region bounding the core region, the core region having a higher concentration of the refractory material than the outer region. The method applies cold spraying a blended feedstock to produce a layer that includes the composite material described above.Type: GrantFiled: December 16, 2016Date of Patent: October 15, 2019Assignee: ABB Schweiz AGInventors: Leonardo Ajdelsztajn, Jeffrey Jon Schoonover, Samuel Stephen Kim, Linda Yvonne Jacobs, Maxime Michel Pean, Katherine Marjorie Coughlin
-
Publication number: 20190195135Abstract: A titanium-based component having a high heat capacity surface. The high heat capacity surface prevents or inhibits titanium fires. The component is titanium-based, forming the substrate, and includes a high heat capacity surface overlying the titanium substrate. A diffusion barrier is intermediate the titanium-based substrate and the high heat capacity surface. The diffusion barrier is non-reactive with both the titanium-based substrate and the high heat capacity surface. The system eliminates the formation of detrimental phases due to diffusion between the applied high heat capacity surface and the titanium substrate. The high heat capacity material has a coefficient of thermal expansion compatible with the coefficient of thermal expansion of the titanium-based substrate.Type: ApplicationFiled: December 22, 2017Publication date: June 27, 2019Inventors: Alan Glenn Turner, Andrew Philip Woodfield, Leonardo Ajdelsztajn, Laura Cerully Dial
-
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
-
Publication number: 20180223870Abstract: Methods for repairing flange bolt holes and the resulting flange bolt holes are provided. The methods and products include the incorporation of a coating system comprising a corrosion resistant layer, which can be formed by resistance plug welding, slurry or sol-gel processing, or thermal/cold spray processing. The corrosion resistant layer can be a super alloy or ceramic material and is different than the base material of the flange bolt hole. Corrosion of the flange bolt hole can be reduced or prevented from occurring with the use of the coating system.Type: ApplicationFiled: February 6, 2017Publication date: August 9, 2018Inventors: Bala Srinivasan Parthasarathy, Guruprasad Sundararajan, Evan Jarrett Dolley, JR., Leonardo Ajdelsztajn
-
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
-
Publication number: 20180174769Abstract: A contact assembly for an electrical device and a method for making such an assembly are presented. The contact assembly comprises a substrate and a contact material disposed on the substrate. The contact material comprises a composite material comprising a refractory material and a matrix material. The matrix material has a higher ductility than the refractory material. The composite material further comprises a core region and an outer region bounding the core region, the core region having a higher concentration of the refractory material than the outer region. The method applies cold spraying a blended feedstock to produce a layer that includes the composite material described above.Type: ApplicationFiled: December 16, 2016Publication date: June 21, 2018Inventors: Leonardo Ajdelsztajn, Jeffrey Jon Schoonover, Samuel Stephen Kim, Linda Yvonne Jacobs, Maxime Michel Pean, Katherine Marjorie Coughlin
-
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
-
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