Patents by Inventor James O. Hansen
James O. Hansen 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: 20220127745Abstract: A sealing process includes impregnating an oxide layer of an anodized metal with a corrosion inhibitor by contacting the oxide layer with a first corrosion inhibitor solution at a first temperature and sealing the impregnated oxide layer of an anodized metal by contacting the impregnated oxide layer with a second corrosion inhibitor solution at a second temperature, wherein the first corrosion inhibitor solution has a corrosion inhibitor concentration greater than the second corrosion inhibitor solution and the first temperature is less than the second temperature.Type: ApplicationFiled: October 22, 2020Publication date: April 28, 2022Inventors: Lei Chen, James O. Hansen
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Patent number: 11156104Abstract: The present disclosure provides methods and systems for the bonding of dissimilar substrates. For example, a first substrate may be coupled to a second substrate by a composite joint between the first substrate and the second substrate. The composite joint may be comprised of a first adhesive material and a second adhesive material. The first adhesive material may be disposed on the first substrate, and the second adhesive material may be disposed to the first adhesive material. The composite joint between the first substrate and the second substrate may provide an isolation layer therebetween, preventing galvanic corrosion.Type: GrantFiled: January 24, 2019Date of Patent: October 26, 2021Assignee: Raytheon Technologies CorporationInventors: Jesse C. Meyer, Joseph Jalowka, John D. Riehl, Raymond P. Martina, James O. Hansen
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Patent number: 10982683Abstract: A blade comprises an airfoil extending from a trailing edge to a leading edge. The airfoil includes a body formed of an aluminum containing material. A sheath is at the leading edge and is formed of a titanium containing material. A sandwich is positioned intermediate the sheath and the airfoil body, the sandwich including an outer adhesive layer adjacent the sheath, an intermediate fabric layer and an inner adhesive layer adjacent the body. A gas turbine engine is also disclosed.Type: GrantFiled: November 25, 2014Date of Patent: April 20, 2021Assignee: Raytheon Technologies CorporationInventors: Lee Drozdenko, James O. Hansen, Jesse C. Meyer, Maria C. Kirejczyk, Scot A. Webb, Brandon A. Gates, Richard B. Bergethon
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Patent number: 10876415Abstract: An airfoil for a gas turbine engine is disclosed. The airfoil may include a first side, and a second side opposite the first side. The first side and the second side may extend axially from a leading edge to a trailing edge and radially from a base to a tip. The tip may include an oblique surface between the first side and the second side.Type: GrantFiled: February 17, 2015Date of Patent: December 29, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: James O. Hansen, Changsheng Guo
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Patent number: 10794394Abstract: A rotating component includes an airfoil section with a free end, the airfoil section being formed of a composite core with a metallic skin and an abrasive coating applied to the free end.Type: GrantFiled: April 15, 2015Date of Patent: October 6, 2020Assignee: Raytheon Technologies CorporationInventors: Christopher W. Strock, James O. Hansen
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Patent number: 10704127Abstract: A method of forming an airfoil includes placing a material onto a die that is heated to a predetermined temperature to pre-heat the material to a first temperature, while the die is in an open position. The method further includes closing the die at a predetermined rate and holding the die in a closed position for a predetermined period of time at a first force. The method still further includes removing the part from the die, cooling the die, placing the part onto the die, and closing the die at a second force.Type: GrantFiled: March 21, 2016Date of Patent: July 7, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: John Richard Palitsch, James O. Hansen, Nicolas Figueiredo, Daniel Gynther, Stephen E. Graushinsky, John H. Nortrup
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Patent number: 10677068Abstract: A fan of a gas turbine engine includes a plurality of fan blades secured to a rotor, each of the plurality of fan blades having an airfoil secured to the rotor at one end, wherein the airfoil comprises pockets filled with an elastomeric composite.Type: GrantFiled: January 18, 2018Date of Patent: June 9, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: James O. Hansen, William R. Graves, Michael A. Weisse, Christopher J. Hertel, Daniel A. Bales
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Patent number: 10670045Abstract: An abrasive tip comprises an additive layer having an additive; the additive is configured to prevent adhesion of an organic component from an abradable seal onto an abrasive blade tip.Type: GrantFiled: April 29, 2016Date of Patent: June 2, 2020Assignee: Raytheon Technologies CorporationInventors: Christopher W Strock, James O Hansen
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Patent number: 10655492Abstract: An abrasive tip comprises an additive, the additive is configured to prevent adhesion of an organic component from an abradable seal onto an abrasive blade tip.Type: GrantFiled: April 29, 2016Date of Patent: May 19, 2020Assignee: United Technologies CorporationInventors: James O Hansen, Christopher W Strock
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Patent number: 10487843Abstract: An airfoil member (100) comprising has a substrate (120) along at least a portion of an airfoil (102) of the airfoil member. A sheath (122) has a channel (144) receiving a portion (160) of the substrate. A scrim (200) is between the substrate and the sheath. A spacer (220) is between the sheath and the substrate and has a plurality of spaced-apart portions (232, 234) with gaps between the spaced-apart portions.Type: GrantFiled: August 4, 2014Date of Patent: November 26, 2019Assignee: United Technologies CorporationInventors: Lee M. Drozdenko, James O. Hansen, Maria C. Kirejczyk, Scot A. Webb, Jesse C. Meyer, Brandon A. Gates, Richard B. Bergethon, Michael A. Morden
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Patent number: 10472729Abstract: A method is provided for manufacturing a blade. The blade comprises an airfoil (100) having: a root end and a tip (106); a metallic substrate (102) along at least a portion of the airfoil; and an anodized layer (154). The method comprises roughening the tip to form protrusions (158?; 402?) and anodizing to form the anodized layer so that the protrusions form an abrasive (156; 400).Type: GrantFiled: May 24, 2018Date of Patent: November 12, 2019Assignee: United Technologies CorporationInventors: Christopher W. Strock, James O. Hansen
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Patent number: 10458428Abstract: An airfoil member (100) comprising has a substrate (120) along at least a portion of an airfoil (102) of the airfoil member. A sheath (122) has a channel (144) receiving a portion (160) of the substrate. A plurality of separate spacers (320; 380; 400) are between the sheath and the substrate and have a plurality of gaps between the spacers.Type: GrantFiled: August 4, 2014Date of Patent: October 29, 2019Assignee: United Technologies CorporationInventors: Lee M. Drozdenko, James O. Hansen, Jesse C. Meyer, John J. Marcin, Jr., Robert M. Shemenski, Scot A. Webb, Brandon A. Gates, Michael A. Morden
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Patent number: 10370984Abstract: An airfoil includes an airfoil body that extends at least between leading and trailing edges, first and second sides, and radially inner and outer ends. The airfoil body includes an aluminum alloy that has a controlled crystallographic texture with respect to a predefined three-dimensional coordinate system. The airfoil can be used in the fan of a gas turbine engine.Type: GrantFiled: November 19, 2014Date of Patent: August 6, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Iuliana Cernatescu, Thomas J. Watson, James O. Hansen, David Ulrich Furrer, Randy P. Salva
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Patent number: 10364677Abstract: A turbine engine rotor component has a Ti-based first member (66) circumscribing an axis (500) and has either a circumferential array of integrally formed airfoils (62) or a circumferential array of blade retention features. A TiB particulate reinforced second member (90) also circumscribes the axis.Type: GrantFiled: March 11, 2014Date of Patent: July 30, 2019Assignee: United Technologies CorporationInventor: James O. Hansen
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Publication number: 20190218914Abstract: A fan of a gas turbine engine includes a plurality of fan blades secured to a rotor, each of the plurality of fan blades having an airfoil secured to the rotor at one end, wherein the airfoil comprises pockets filled with an elastomeric composite.Type: ApplicationFiled: January 18, 2018Publication date: July 18, 2019Inventors: James O. Hansen, William R. Graves, Michael A. Weisse, Christopher J. Hertel, Daniel A. Bales
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Publication number: 20190153878Abstract: The present disclosure provides methods and systems for the bonding of dissimilar substrates. For example, a first substrate may be coupled to a second substrate by a composite joint between the first substrate and the second substrate. The composite joint may be comprised of a first adhesive material and a second adhesive material. The first adhesive material may be disposed on the first substrate, and the second adhesive material may be disposed to the first adhesive material. The composite joint between the first substrate and the second substrate may provide an isolation layer therebetween, preventing galvanic corrosion.Type: ApplicationFiled: January 24, 2019Publication date: May 23, 2019Applicant: United Technologies CorporationInventors: Jesse C. Meyer, Joseph Jalowka, John D. Riehl, Raymond P. Martina, James O. Hansen
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Patent number: 10294573Abstract: An electroformed sheath for protecting an airfoil includes a sheath body and a mandrel insert is provided. The sheath body includes a leading edge. The sheath body includes a pressure side wall and an opposed suction side wall, which side walls meet at the leading edge and extend away from the leading edge to define a cavity between the side walls. The sheath body includes a head section between the leading edge and the cavity. The mandrel insert is positioned between the pressure side and suction side walls, and includes a generally wedge-shaped geometry. A method for protecting an airfoil includes: 1) securing a mandrel insert to a mandrel; 2) electroplating a sheath body onto the mandrel and the mandrel insert; 3) removing the mandrel from the sheath body so that a sheath cavity is defined within the sheath body; and 4) securing the airfoil within the sheath cavity.Type: GrantFiled: March 11, 2015Date of Patent: May 21, 2019Assignee: United Technologies CorporationInventors: Joseph Parkos, Jr., James O. Hansen, Christopher J. Hertel, Andrew J. Murphy, Ashley P. Phillips, Jay Thomas Abraham
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Patent number: 10273816Abstract: A fan blade of a gas turbine engine includes an airfoil, a root received in a slot of a hub, and a wear pad covering at least a portion of the root and made of an integrally bonded woven composite laminate.Type: GrantFiled: February 3, 2014Date of Patent: April 30, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Jay T. Abraham, Ethan C. Drew, Scott C. Billings, Michael A. Weisse, James O. Hansen, Venkatarama K. Seetharaman
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Patent number: 10260351Abstract: An airfoil for a gas turbine engine includes a substrate and a sheath providing an edge. A cured adhesive secures the sheath to the substrate. The cured adhesive has a fillet that extends beyond the edge that includes a mechanically worked finished surface. A method of manufacturing the airfoil includes the steps of securing a sheath to a substrate with adhesive, curing the adhesive, and mechanically removing a portion of the adhesive extending beyond the sheath.Type: GrantFiled: March 16, 2012Date of Patent: April 16, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Michael Parkin, James O. Hansen, Christopher J. Hertel, David R. Lyders
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Patent number: 10221700Abstract: The present disclosure provides methods and systems for the bonding of dissimilar substrates. For example, a first substrate may be coupled to a second substrate by a composite joint between the first substrate and the second substrate. The composite joint may be comprised of a first adhesive material and a second adhesive material. The first adhesive material may be disposed on the first substrate, and the second adhesive material may be disposed to the first adhesive material. The composite joint between the first substrate and the second substrate may provide an isolation layer therebetween, preventing galvanic corrosion.Type: GrantFiled: January 11, 2016Date of Patent: March 5, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: Jesse C. Meyer, Joseph Jalowka, John D. Riehl, Raymond P. Martina, James O. Hansen