Patents by Inventor David J. Sanders
David J. Sanders 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: 10837638Abstract: A heat shield assembly for an engine case of a gas turbine engine may include a heat shield and a support lock. The heat shield may have an annular shape and a groove formed circumferentially along an inner surface of the heat shield. The support lock may have a tab extending radially outward from a distal surface of the support lock. The groove in the heat shield may be configured to retain the tab of the support lock.Type: GrantFiled: April 12, 2016Date of Patent: November 17, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: David J. Sander, Jonathan Lemoine
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Patent number: 10837637Abstract: A heat shield provided with a gas turbine engine includes a heat shield body extending between a first heat shield end and a second heat shield end. The heat shield body has an exterior surface disposed proximate an inner surface of a first case and an interior surface disposed opposite the exterior surface. The interior surface defines a rib that extends towards a combustor vane support lock.Type: GrantFiled: March 22, 2016Date of Patent: November 17, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: David J. Sander, Jonathan Lemoine, Harvey C. Lee, Dalton C. Petrillo
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Patent number: 10816204Abstract: A heat shield assembly for an engine case of a gas turbine engine may include a heat shield and a support lock. The heat shield may have an annular shape. The heat shield may define an aperture extending through the heat shield. The support lock may have a tab extending radially outward from a distal surface of the support lock. The aperture in the heat shield may be configured to retain the tab of the support lock.Type: GrantFiled: April 12, 2016Date of Patent: October 27, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: David J. Sander, Jonathan Lemoine
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Patent number: 10774687Abstract: A method of assembling an attachment structure of a gas turbine engine includes providing a frame that has a first annular case, an inner annular case spaced radially inwardly from the first annular case, and a plurality of vanes extending between the inner case and the first annular case, providing a second annular case that extends around the frame, the first annular case and the second annular case include a plurality of interlocks, each of the plurality of interlocks includes a first member mounted on one of the first annular case or the second annular case and a corresponding second member mounted on the other of the first annular case or the second annular case, and inserting the first member in the second member such that the plurality of interlocks restricts relative circumferential and axial movement between the first annular case and the second annular case.Type: GrantFiled: October 11, 2018Date of Patent: September 15, 2020Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: David J. Sander, Shelton O. Duelm
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Patent number: 10465911Abstract: A heat shield assembly for an engine case of a gas turbine engine may include a heat shield having an annular shape. A first groove may be formed circumferentially along an inner surface of the heat shield. A support lock may have a second groove extending radially inward from a distal surface of the support lock. A retention ring may be configured to fit within the first groove of the heat shield and the second groove of the support lock.Type: GrantFiled: May 17, 2016Date of Patent: November 5, 2019Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: David J. Sander, Jonathan Lemoine
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Publication number: 20190048744Abstract: A method of assembling an attachment structure of a gas turbine engine includes providing a frame that has a first annular case, an inner annular case spaced radially inwardly from the first annular case, and a plurality of vanes extending between the inner case and the first annular case, providing a second annular case that extends around the frame, the first annular case and the second annular case include a plurality of interlocks, each of the plurality of interlocks includes a first member mounted on one of the first annular case or the second annular case and a corresponding second member mounted on the other of the first annular case or the second annular case, and inserting the first member in the second member such that the plurality of interlocks restricts relative circumferential and axial movement between the first annular case and the second annular case.Type: ApplicationFiled: October 11, 2018Publication date: February 14, 2019Inventors: David J. Sander, Shelton O. Duelm
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Patent number: 10151218Abstract: An attachment structure for a gas turbine engine includes a frame that has a first annular case. A second annular case extends around the frame. The first annular case and the second annular case include a plurality of interlocks. Each of the interlocks includes a first member mounted on one of the first annular case or the second annular case and a corresponding second member mounted on the other of the first annular case or the second case. The first member is received in the second member such that the plurality of interlocks restricts relative circumferential and axial movement between the first annular case and the second annular case.Type: GrantFiled: January 28, 2014Date of Patent: December 11, 2018Assignee: UNITED TECHNOLOGIES CORPORATIONInventors: David J. Sander, Shelton O. Duelm
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Publication number: 20170336074Abstract: A heat shield assembly for an engine case of a gas turbine engine may include a heat shield having an annular shape. A first groove may be formed circumferentially along an inner surface of the heat shield. A support lock may have a second groove extending radially inward from a distal surface of the support lock. A retention ring may be configured to fit within the first groove of the heat shield and the second groove of the support lock.Type: ApplicationFiled: May 17, 2016Publication date: November 23, 2017Applicant: UNITED TECHNOLOGIES CORPORATIONInventors: David J. Sander, Jonathan Lemoine
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Publication number: 20170292702Abstract: A heat shield assembly for an engine case of a gas turbine engine may include a heat shield and a support lock. The heat shield may have an annular shape and a groove formed circumferentially along an inner surface of the heat shield. The support lock may have a tab extending radially outward from a distal surface of the support lock. The groove in the heat shield may be configured to retain the tab of the support lock.Type: ApplicationFiled: April 12, 2016Publication date: October 12, 2017Applicant: United Technologies CorporationInventors: DAVID J. SANDER, JONATHAN LEMOINE
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Publication number: 20170292704Abstract: A heat shield assembly for an engine case of a gas turbine engine may include a heat shield and a support lock. The heat shield may have an annular shape. The heat shield may define an aperture extending through the heat shield. The support lock may have a tab extending radially outward from a distal surface of the support lock. The aperture in the heat shield may be configured to retain the tab of the support lock.Type: ApplicationFiled: April 12, 2016Publication date: October 12, 2017Applicant: United Technologies CorporationInventors: DAVID J. SANDER, JONATHAN LEMOINE
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Publication number: 20170276355Abstract: A heat shield provided with a gas turbine engine includes a heat shield body extending between a first heat shield end and a second heat shield end. The heat shield body has an exterior surface disposed proximate an inner surface of a first case and an interior surface disposed opposite the exterior surface. The interior surface defines a rib that extends towards a combustor vane support lock.Type: ApplicationFiled: March 22, 2016Publication date: September 28, 2017Inventors: David J. Sander, Jonathan Lemoine, Harvey C. Lee, Dalton C. Petrillo
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Patent number: 9746381Abstract: An exemplary laser instrumentation bracket includes a support structure providing a recess configured to receive a collar of a laser housing. The laser housing has a main body extending axially through an aperture of the support structure when the recess receives the collar.Type: GrantFiled: June 22, 2012Date of Patent: August 29, 2017Assignee: United Technologies CorporationInventors: Witt C. Guinn, John J. Korzendorfer, David J. Sander, Kelly A. Vanston
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Publication number: 20160003104Abstract: An attachment structure for a gas turbine engine includes a frame that has a first annular case. A second annular case extends around the frame. The first annular case and the second annular case include a plurality of interlocks. Each of the interlocks includes a first member mounted on one of the first annular case or the second annular case and a corresponding second member mounted on the other of the first annular case or the second case. The first member is received in the second member such that the plurality of interlocks restricts relative circumferential and axial movement between the first annular case and the second annular case.Type: ApplicationFiled: January 28, 2014Publication date: January 7, 2016Inventors: David J. Sander, Shelton O. Duelm
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Publication number: 20140314547Abstract: A first ceramic matrix composite structure having a first flange with a first aperture, and a second structure having a second flange with a second aperture are clamped together by a fastener and spring assembly. The second flange is in contact with the first flange and the apertures of the first and second flanges align with each other. A threaded fastener having a thermal expansion rate that is different than the thermal expansion rate of at least one of the first ceramic matrix composite structure and second structure extends through the aligned apertures. The fastener includes a bolt, a nut, and a spring assembly that maintains a constant clamping pressure irrespective of the thermal expansion differences between the bolt and the first ceramic matrix composite structure and second structure.Type: ApplicationFiled: August 31, 2012Publication date: October 23, 2014Applicant: United Technologies CorporationInventors: David J. Sander, Shelton O. Duelm
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Publication number: 20140248146Abstract: A first ceramic matrix composite structure having a first flange with a first aperture, and a second structure having a second flange with a second aperture are clamped together by a fastener and spring assembly. The second flange is in contact with the first flange and the apertures of the first and second flanges align with each other. A threaded fastener having a thermal expansion rate that is different than the thermal expansion rate of at least one of the first ceramic matrix composite structure and second structure extends through the aligned apertures. The fastener includes a bolt, a nut, and a spring assembly that maintains a constant clamping pressure irrespective of the thermal expansion differences between the bolt and the first ceramic matrix composite structure and second structure.Type: ApplicationFiled: June 17, 2013Publication date: September 4, 2014Inventors: David J. Sander, Shelton O. Duelm
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Publication number: 20130343066Abstract: An exemplary laser instrumentation bracket includes a support structure providing a recess configured to receive a collar of a laser housing. The laser housing has a main body extending axially through an aperture of the support structure when the recess receives the collar.Type: ApplicationFiled: June 22, 2012Publication date: December 26, 2013Inventors: Witt C. Guinn, John J. Korzendorfer, David J. Sander, Kelly A. Vanston
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Patent number: 7910275Abstract: Embodiments include a chemical toner composition having a first resin including a styrene vinyl copolymer and having a Tg of from about 46 to about 56° C., b) a second resin including a styrene vinyl copolymer having a Tg of from about 55 to about 65° C., c) a distilled wax having a heat of crystallization and a heat of enthalpy, both from about 1.0 to about 4.0 J/g for every weight percent of the wax used in the chemical toner composition, and wherein the wax has a peak melting point of from about 70 to about 99° C., and d) a colorant, wherein the chemical toner has a gloss of from about 30 to about 80 GGU.Type: GrantFiled: November 14, 2005Date of Patent: March 22, 2011Assignee: Xerox CorporationInventors: Raj D. Patel, David J. Sanders, Christine Anderson, Allan K. Chen, Daryl W. Vanbesien, Patricia A. Burns
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Patent number: 7749670Abstract: Embodiments include a toner with a fractionated and/or distilled wax having from about 30 to about 64 carbon units, a degree of crystallinity as calculated by heat of melting and as measured by DSC of from about 55 to about 100, a Mw is from about 500 to about 800, and a polydispersity of from about 1 to about 1.05.Type: GrantFiled: November 14, 2005Date of Patent: July 6, 2010Assignee: Xerox CorporationInventors: Raj D. Patel, David J. Sanders, T Hwee Ng, Stephan V. Drappel, Sandra J. Gardner, Sonja Hadzidedic, Louis V. Isganitis, Timothy L. Lincoln, Kevin F. Marcell
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Patent number: 7695879Abstract: A method for forming toner particles includes polymerizing monomers to form a latex comprising polymer particles; combining the latex with an unsaturated curable resin to form aggregates containing the polymer particles and the unsaturated curable resin particles; and heating the aggregates to form coalesced particles. A toner composition that may be formed by the process described herein contains toner particles containing: (i) a polymer comprising a photoinitiator, (ii) an unsaturated curable resin and, (iii) a colorant.Type: GrantFiled: January 13, 2009Date of Patent: April 13, 2010Assignee: Xerox CorporationInventors: Daryl W. Vanbesien, Jennifer L. Belelie, Peter G. Odell, Christine D. Anderson, Cuong Vong, David J. Sanders, Aleksey Tabachnik
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Patent number: 7686939Abstract: Embodiments include a fractionated and/or distilled wax having from about 30 to about 64 carbon units, a degree of crystallinity as calculated by heat of melting and as measured by DSC of from about 55 to about 100, a Mw is from about 500 to about 800, and a polydispersity of from about 1 to about 1.05.Type: GrantFiled: November 14, 2005Date of Patent: March 30, 2010Assignee: Xerox CorporationInventors: Raj D. Patel, David J. Sanders, T Hwee Ng, Stephan V. Drappel, Sandra J. Gardner, Sonja Hadzidedic, Louis V. Isganitis, Timothy L. Lincoln, Kevin F. Marcell