Patents by Inventor David Rutz
David Rutz 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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Patent number: 9885240Abstract: A repaired article includes a body extending between a first side and a second side. The body has a repair section with an associated thickness between the first side and the second side. The repair section includes regions of plastic deformation distributed through the thickness. A gas turbine engine including the body is also disclosed.Type: GrantFiled: August 22, 2013Date of Patent: February 6, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Edward R. Szela, Michael A. Joy, Daniel A. Bales, Bradford A. Cowles, David A. Rutz
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Patent number: 9227278Abstract: A method of hole defect repair includes removing one or more defects at or near a desired hole in a part by removing a portion of the part proximate the desired hole in a series of chain link patterns, and welding a filler material to the part after removing the chain link pattern portion of the part.Type: GrantFiled: April 4, 2008Date of Patent: January 5, 2016Assignee: United Technologies CorporationInventors: Nicole Sullivan, David A. Rutz, Monika D. Kinstler, James J. Moor
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Publication number: 20130343901Abstract: A repaired article includes a body extending between a first side and a second side. The body has a repair section with an associated thickness between the first side and the second side. The repair section includes regions of plastic deformation distributed through the thickness. A gas turbine engine including the body is also disclosed.Type: ApplicationFiled: August 22, 2013Publication date: December 26, 2013Applicant: United Technologies CorporationInventors: Edward R. Szela, Michael A. Joy, Daniel A. Bales, Bradford A. Cowles, David A. Rutz
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Patent number: 8539659Abstract: A method of repairing an article includes removing an undesirable section of the article, attaching a repair section to the article at a location from which the undesirable section has been removed, and mechanically working the repair section to achieve a reduction in a cross-sectional area of the repair section.Type: GrantFiled: April 23, 2008Date of Patent: September 24, 2013Assignee: United Technologies CorporationInventors: Edward R. Szela, Michael A. Joy, Daniel A. Bales, Bradford A. Cowles, David A. Rutz
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Patent number: 8510926Abstract: A method of repairing a stator assembly of a gas turbine engine includes removing a worn surface of the stator assembly to provide a revealed area, and securing additional material to the stator assembly utilizing gas metal arc welding.Type: GrantFiled: May 5, 2008Date of Patent: August 20, 2013Assignee: United Technologies CorporationInventors: Timothy P. Hasselberg, William M. Rose, David A. Rutz
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Patent number: 8505201Abstract: A method of repairing a damaged coated vane from a turbine module without removing the vane from the module is taught. The method includes locally removing the coating in the vicinity of the damage as well as any underlying damage in the superalloy substrate. A diffusible coating precursor is then applied to the damage site. A heat treating fixture is then mounted on the vane and repair site is heated to up to 2000° F. in an inert environment to interdiffuse the coating precursor and the substrate. After the diffusion anneal, the vane is cleaned and the module is returned to service.Type: GrantFiled: July 18, 2011Date of Patent: August 13, 2013Assignee: United Technologies CorporationInventors: Thomas DeMichael, Richard Gerst, Brian S. Tryon, David A. Rutz, Billie W. Bunting
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Patent number: 8367964Abstract: Repair methods involving conductive heat resistance welding includes repairing a crack of a gas turbine engine component using a conductive heat resistance welding technique and a welding technique other than conductive heat resistance welding.Type: GrantFiled: August 6, 2008Date of Patent: February 5, 2013Assignee: United Technologies Corp.Inventors: Nicole Sullivan, John H. Hughes, James J. Moor, David A. Rutz, Sudhangshu Bose
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Publication number: 20130019473Abstract: A method of repairing a damaged coated vane from a turbine module without removing the vane from the module is taught. The method includes locally removing the coating in the vicinity of the damage as well as any underlying damage in the superalloy substrate. A diffusible coating precursor is then applied to the damage site. A heat treating fixture is then mounted on the vane and repair site is heated to up to 2000° F. in an inert environment to interdiffuse the coating precursor and the substrate. After the diffusion anneal, the vane is cleaned and the module is returned to service.Type: ApplicationFiled: July 18, 2011Publication date: January 24, 2013Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Thomas DeMichael, Richard Gerst, Brian S. Tryon, David A. Rutz, Billie W. Bunting
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Patent number: 8286582Abstract: A method for depositing a first material on a substrate includes providing the substrate in a deposition chamber. A molten body is formed between the substrate and a source of the first material by melting one or more second materials. A flow of the first material is passed through the molten body and from the molten body to the substrate as a vapor flow. An essentially non-expending portion of the molten body comprises an alloy having a melting temperature below a melting temperature of the first material.Type: GrantFiled: November 14, 2007Date of Patent: October 16, 2012Assignee: United Technologies CorporationInventors: Igor V. Belousov, Igor S. Malashenko, Gregory A. Serhiyenko, Anatoli N. Shelkovoy, Evgeniy A. Shelkovoy, legal representative, Robert L. Memmen, David A. Rutz, Monika D. Kinstler
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Patent number: 8221841Abstract: A gas turbine engine blade has a platform. A root depends from the platform and an airfoil extends from the platform. The airfoil has leading and trailing edges and pressure and suction sides. The blade has a substrate having a surface. A compressive stress exists below a first region of the surface. The first region extends over a majority of a streamwise perimeter of the airfoil at a location at a spanwise distance from the tip or more than 50% of a tip-to-platform span. A coating is on the surface including at the location.Type: GrantFiled: September 17, 2009Date of Patent: July 17, 2012Assignee: United Technologies CorporationInventors: David A. Rutz, Monika D. Kinstler
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Patent number: 8122600Abstract: A method for restoring blade dovetails to their original shape comprising the steps of removing damaged material from a blade dovetail at a damage site, physically depositing a metal at the damage site in an amount sufficient to replace the removed damaged material, and machining the blade dovetail to the original shape.Type: GrantFiled: March 3, 2003Date of Patent: February 28, 2012Assignee: United Technologies CorporationInventors: Monika D. Kinstler, David A. Rutz, Robert L. Memmen
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Publication number: 20110308290Abstract: A method for peening a component of a gas turbine engine, or a module of a gas turbine engine, without removing the component from the assembled gas turbine engine or module includes blending the damaged area of the component, determining parameters for peening the damaged component, and peening the damaged component without removing it from the engine.Type: ApplicationFiled: August 4, 2011Publication date: December 22, 2011Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Billie W. Bunting, Leonard Paul Palmisano, Edward R. Brown, David R. Malley, David A. Rutz
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Patent number: 8067711Abstract: Microspray apparatus and methods involve injecting powdered material into a plasma gas stream. The material comprises first and second component powders. The second powder is a majority by the weight of the powdered material. The first powder acts as a melting point depressant. The first and second powders may have similar compositions but with the first powder including a greater quantity of a melting point depressant element.Type: GrantFiled: July 14, 2005Date of Patent: November 29, 2011Assignee: United Technologies CorporationInventors: Donn R. Blankenship, David A. Rutz, Norman A. Pietruska, Paul H. Zajchowski, Gary Shubert
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Publication number: 20100285330Abstract: A method for depositing a first material on a substrate includes providing the substrate in a deposition chamber. A molten body is formed between the substrate and a source of the first material by melting one or more second materials. A flow of the first material is passed through the molten body and from the molten body to the substrate as a vapor flow. An essentially non-expending portion of the molten body comprises an alloy having a melting temperature below a melting temperature of the first material.Type: ApplicationFiled: November 14, 2007Publication date: November 11, 2010Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: Igor V. Belousov, Igor S. Malashenko, Gregory A. Serhiyenko, Anatoli N. Shelkovoi, Evgeniy A. Shelkovoy, Robert L. Memmen, David A. Rutz, Monika D. Kinstler
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Publication number: 20100119375Abstract: A gas turbine engine blade has a platform. A root depends from the platform and an airfoil extends from the platform. The airfoil has leading and trailing edges and pressure and suction sides. The blade has a substrate having a surface. A compressive stress exists below a first region of the surface. The first region extends over a majority of a streamwise perimeter of the airfoil at a location at a spanwise distance from the tip or more than 50% of a tip-to-platform span. A coating is on the surface including at the location.Type: ApplicationFiled: September 17, 2009Publication date: May 13, 2010Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: David A. Rutz, Monika D. Kinstler
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Publication number: 20100096368Abstract: Microspray apparatus and methods involve injecting powdered material into a plasma gas stream. The material comprises first and second component powders. The second powder is a majority by the weight of the powdered material. The first powder acts as a melting point depressant. The first and second powders may have similar compositions but with the first powder including a greater quantity of a melting point depressant element.Type: ApplicationFiled: July 14, 2005Publication date: April 22, 2010Inventors: Donn R. Blankenship, David A. Rutz, Norman A. Pietruska, Paul H. Zajchowski, Gary Shubert
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Publication number: 20100032415Abstract: Repair methods involving conductive heat resistance welding includes repairing a crack of a gas turbine engine component using a conductive heat resistance welding technique and a welding technique other than conductive heat resistance welding.Type: ApplicationFiled: August 6, 2008Publication date: February 11, 2010Applicant: UNITED TECHNOLOGIES CORP.Inventors: Nicole Sullivan, John H. Hughes, James J. Moor, David A. Rutz, Sudhangshu Bose
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Publication number: 20090271984Abstract: A method of repairing a stator assembly of a gas turbine engine includes removing a worn surface of the stator assembly to provide a revealed area, and securing additional material to the stator assembly utilizing gas metal arc welding.Type: ApplicationFiled: May 5, 2008Publication date: November 5, 2009Inventors: Timothy P. Hasselberg, William M. Rose, David A. Rutz
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Publication number: 20090269208Abstract: A method of repairing an article includes removing an undesirable section of the article, attaching a repair section to the article at a location from which the undesirable section has been removed, and mechanically working the repair section to achieve a reduction in a cross-sectional area of the repair section.Type: ApplicationFiled: April 23, 2008Publication date: October 29, 2009Inventors: Edward R. Szela, Michael A. Joy, Daniel A. Bales, Bradford A. Cowles, David A. Rutz
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Publication number: 20090250441Abstract: A method of hole defect repair includes removing one or more defects at or near a desired hole in a part by removing a portion of the part proximate the desired hole in a series of chain link patterns, and welding a filler material to the part after removing the chain link pattern portion of the part.Type: ApplicationFiled: April 4, 2008Publication date: October 8, 2009Applicant: United Technologies CorporationInventors: Nicole Sullivan, David A. Rutz, Monika D. Kinstler, James J. Moor