Patents by Inventor Glenn A. Cotnoir
Glenn A. Cotnoir 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: 20240044256Abstract: A gas turbine engine component includes a substrate having first surface and a second surface disposed opposite the first surface, a plurality of holes extending through the substrate from the first surface to the second surface, the holes defined by a plurality of respective walls each extending from the first surface to the second surface, a metallic bond coat disposed on the first surface, and an aluminide coating disposed on the first surface, the second surface, and the walls. The metallic bond coat is disposed between the first surface and the aluminide coating and the walls are free of the metallic bond coat.Type: ApplicationFiled: October 13, 2023Publication date: February 8, 2024Inventors: Rafael A. Perez Reisler, Andy Turko, Xuan Liu, Danielle E. Jencks, Glenn A. Cotnoir, Russell F. Croft
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Patent number: 11821337Abstract: A gas turbine engine component includes a substrate having first surface and a second surface disposed opposite the first surface, a plurality of holes extending through the substrate from the first surface to the second surface, the holes defined by a plurality of respective walls each extending from the first surface to the second surface, a metallic bond coat disposed on the first surface, and an aluminide coating disposed on the first surface, the second surface, and the walls. The metallic bond coat is disposed between the first surface and the aluminide coating and the walls are free of the metallic bond coat.Type: GrantFiled: August 5, 2022Date of Patent: November 21, 2023Assignee: RTX CorporationInventors: Rafael A. Perez Reisler, Andy Turko, Xuan Liu, Danielle E. Jencks, Glenn A. Cotnoir, Russell F. Croft
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Publication number: 20190040525Abstract: An apparatus for use in a physical vapor deposition coating process includes a chamber, a crucible configured to hold a ceramic coating material in the chamber, an energy source operable to heat the interior of the chamber, a fixture for holding at least one substrate in the chamber, an actuator operable to rotate the fixture, and a controller configured to establish a plume of the ceramic coating material in the chamber to deposit the ceramic coating material from the plume onto the at least one substrate and form a ceramic coating thereon, and during the deposition, rotate the at least one substrate at a rotational speed selected with respect to deposition rate of the ceramic coating material onto the at least one substrate.Type: ApplicationFiled: October 11, 2018Publication date: February 7, 2019Inventors: Mladen F. Trubelja, David A. Litton, Joseph A. DePalma, James W. Neal, Michael Maloney, Russell A. Beers, Brian T. Hazel, Glenn A. Cotnoir
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Patent number: 10145006Abstract: A method for use in a physical vapor deposition coating process includes depositing a ceramic coating material from a plume onto at least one substrate to form a ceramic coating thereon, and during the deposition, rotating the at least one substrate at rotational speed selected with respect to deposition rate of the ceramic coating material onto the at least one substrate.Type: GrantFiled: January 8, 2015Date of Patent: December 4, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Mladen F. Trubelja, David A. Litton, Joseph A. DePalma, James W. Neal, Michael Maloney, Russell A. Beers, Brian T. Hazel, Glenn A. Cotnoir
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Publication number: 20160333465Abstract: A method for use in a physical vapor deposition coating process includes depositing a ceramic coating material from a plume onto at least one substrate to form a ceramic coating thereon, and during the deposition, rotating the at least one substrate at rotational speed selected with respect to deposition rate of the ceramic coating material onto the at least one substrate.Type: ApplicationFiled: January 8, 2015Publication date: November 17, 2016Applicant: United Technologies CorporationInventors: Mladen F. Trubelja, David A. Litton, Joseph A. DePalma, James W. Neal, Michael Maloney, Russell A. Beers, Brian T. Hazel, Glenn A. Cotnoir
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Publication number: 20130318771Abstract: Removing of a casting core from a metal casting leaves at least one opening in a surface of the metal. The opening is filled with a sacrificial material. The metal and sacrificial material are machined at the opening. After the machining, a remainder of the sacrificial material is removed.Type: ApplicationFiled: February 27, 2012Publication date: December 5, 2013Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Blake J. Luczak, Glenn A. Cotnoir, James T. Beals, Thomas M. Morin, Joseph J. Parkos, JR.
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Patent number: 8122583Abstract: Removing of a casting core from a metal casting leaves at least one opening in a surface of the metal. The opening is filled with a sacrificial material. The metal and sacrificial material are machined at the opening. After the machining, a remainder of the sacrificial material is removed.Type: GrantFiled: June 5, 2007Date of Patent: February 28, 2012Assignee: United Technologies CorporationInventors: Blake J. Luczak, Glenn A. Cotnoir, James T. Beals, Thomas M. Morin, Joseph J. Parkos, Jr.
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Patent number: 7575039Abstract: A refractory metal core for use in a casting system has a coating for providing oxidation resistance during shell fire and protection against reaction/dissolution during casting. In a first embodiment, the coating includes at least one oxide and a silicon containing material. In a second embodiment, the coating includes an oxide selected from the group of calcia, magnesia, alumina, zirconia, chromia, yttria, silica, hafnia, and mixtures thereof. In a third embodiment, the coating includes a nitride selected from the group of silicon nitride, sialon, titanium nitride, and mixtures thereof. Other coating embodiments are described in the disclosure.Type: GrantFiled: October 15, 2003Date of Patent: August 18, 2009Assignee: United Technologies CorporationInventors: James T. Beals, Joshua Persky, Dilip M. Shah, Venkat Seetharaman, Sudhangshu Bose, Jacob Snyder, Keith Santeler, Carl Verner, Stephen D. Murray, John Marcin, Dinesh Gupta, Daniel A. Bales, Daniel Francis Paulonis, Glenn Cotnoir, John Wiedemer
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Publication number: 20090114797Abstract: A refractory metal core for use in a casting system has a coating for providing oxidation resistance during shell fire and protection against reaction/dissolution during casting. In a first embodiment, the coating includes at least one oxide and a silicon containing material. In a second embodiment, the coating includes an oxide selected from the group of calcia, magnesia, alumina, zirconia, chromia, yttria, silica, hafnia, and mixtures thereof. In a third embodiment, the coating includes a nitride selected from the group of silicon nitride, sialon, titanium nitride, and mixtures thereof. Other coating embodiments are described in the disclosure.Type: ApplicationFiled: October 15, 2003Publication date: May 7, 2009Inventors: James T. Beals, Joshua Persky, Dilip M. Shah, Venkat Seetharaman, Sudhangshu Bose, Jacob Snyder, Keith Santeler, Carl Verner, Stephen D. Murray, John J. Marcin, Dinesh Gupta, Daniel A. Bales, Daniel Francis Paulonis, Glenn Cotnoir, John Wiedemer
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Publication number: 20090095435Abstract: Removing of a casting core from a metal casting leaves at least one opening in a surface of the metal. The opening is filled with a sacrificial material. The metal and sacrificial material are machined at the opening. After the machining, a remainder of the sacrificial material is removed.Type: ApplicationFiled: June 5, 2007Publication date: April 16, 2009Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Blake J. Luczak, Glenn A. Cotnoir, James T. Beals, Thomas M. Morin, Joseph J. Parkos, JR.
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Patent number: 6468648Abstract: Coatings containing at least 85% by volume crystalline mullite with less than 15% by volume of amorphous material and mullite dissociation phases are plasma sprayed onto the surface of a silicon based ceramic substrate by closely controlling the plasma spray parameters including the mullite feed stock and its particle size, the nozzle outlet stand-off distance, movement of the substrate past the plasma flow, back side heating of the substrate and the powder feed rate through the plasma spray gun.Type: GrantFiled: July 2, 2001Date of Patent: October 22, 2002Assignee: United Technologies CorporationInventors: Philip H. McCluskey, Harry E. Eaton, Jr., Daniel R. Godin, George E. Foster, H. David Harter, Stephen Chin, Glenn A. Cotnoir, Charles A. Ellis
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Patent number: 5869146Abstract: Coatings containing at least 85% by volume crystalline mullite with less than 15% by volume of amorphous material and mullite dissociation phases are plasma sprayed onto the surface of a silicon based ceramic substrate by closely controlling the plasma spray parameters including the mullite feed stock and its particle size, the nozzle outlet stand-off distance, movement of the substrate past the plasma flow, back side heating of the substrate and the powder feed rate through the plasma spray gun.Type: GrantFiled: November 12, 1997Date of Patent: February 9, 1999Assignee: United Technologies CorporationInventors: Philip H. McCluskey, Harry E. Eaton, Jr., Daniel R. Godin, George E. Foster, H. David Harter, Stephen Chin, Glenn A. Cotnoir, Charles A. Ellis