Patents by Inventor Robert White, III
Robert White, III 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: 11781486Abstract: A seal system includes a ceramic component that has a non-core-gaspath surface region that defines a first surface roughness and a core gaspath surface region. A metallic component is situated adjacent the non-core-gaspath surface region. A coating system is disposed on the ceramic component. The coating system includes a silicon-containing layer on the non-core-gaspath surface region and a barrier layer that has a first section on the silicon-containing layer and a second section on the core-gaspath region and that is connected to the first section. The surface of the barrier layer has a second surface roughness that is less than the first surface roughness. The first section is in contact with the metallic component and the second section serves as an environmental barrier on the core-gaspath region.Type: GrantFiled: January 12, 2023Date of Patent: October 10, 2023Assignee: RTX CORPORATIONInventors: Brian T. Hazel, Raymond Surace, Robert A. White, III, Zhongfen Ding
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Patent number: 11719130Abstract: A vane system includes a plurality of vane assemblies and a continuous support ring. The vane assemblies are arranged circumferentially about an axis and each include a hollow airfoil fairing and a spar. The spar has a spar flange and a spar leg extending radially inwardly from the spar flange and through the hollow airfoil fairing. The continuous support ring has radially inner and outer sides and defines a circumferential row of through-holes between the radially inner and outer sides. The spar legs extend through the through-holes and the spar flanges are affixed at the radially outer side of the continuous support ring.Type: GrantFiled: May 6, 2021Date of Patent: August 8, 2023Assignee: Raytheon Technologies CorporationInventors: Robert A. White, III, Bryan P. Dube
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Publication number: 20230235705Abstract: A seal system includes a ceramic component that has a non-core-gaspath surface region that defines a first surface roughness and a core gaspath surface region. A metallic component is situated adjacent the non-core-gaspath surface region. A coating system is disposed on the ceramic component. The coating system includes a silicon-containing layer on the non-core-gaspath surface region and a barrier layer that has a first section on the silicon-containing layer and a second section on the core-gaspath region and that is connected to the first section. The surface of the barrier layer has a second surface roughness that is less than the first surface roughness. The first section is in contact with the metallic component and the second section serves as an environmental barrier on the core-gaspath region.Type: ApplicationFiled: January 12, 2023Publication date: July 27, 2023Inventors: Brian T. Hazel, Raymond Surace, Robert A. White, III, Zhongfen Ding
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Patent number: 11708765Abstract: An airfoil for a gas turbine engine includes a fiber-reinforced laminate composite airfoil fairing that defines a platform that has first and second radial sides, an airfoil section that extends off of the first radial side, and a branched flange that extends off of the second radial side. The branched flange includes a trunk that radially extends off of the second radial side and at least one branch that extends off of the trunk.Type: GrantFiled: May 13, 2022Date of Patent: July 25, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventor: Robert A. White, III
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Publication number: 20230203961Abstract: A seal assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a first side plate, a second side plate and a backing plate that extend circumferentially about an assembly axis. A first brush seal and a second brush seal are positioned on opposite sides of the backing plate such that the first brush seal is between the first side plate and the backing plate and such that the second brush seal is between the second side plate and the backing plate. The first brush seal is dimensioned to establish a first sealing relationship with a first gas turbine engine component. The second brush seal is dimensioned to establish a second sealing relationship with a second gas turbine engine component. A method of assembly is also disclosed.Type: ApplicationFiled: March 7, 2023Publication date: June 29, 2023Inventor: Robert A. White, III
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Patent number: 11674448Abstract: A seal system includes a ceramic component, a metallic component, a silicon-containing layer, and a barrier layer. The ceramic component has a first surface region that defines a first surface roughness. The metallic component is situated adjacent to the first surface region and has a second surface region facing the first surface region. The silicon-containing layer is on the first surface region of the ceramic component and has a contact surface that defines a second surface roughness which is less than the first surface roughness. The barrier layer is on the metallic component and in contact with the silicon-containing layer and serves to limit interaction between silicon of the silicon-containing layer and the metallic component. The barrier layer includes at least one of alumina or MCrAlY.Type: GrantFiled: July 16, 2021Date of Patent: June 13, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Raymond Surace, Brian T. Hazel, Robert A. White, III, Zhongfen Ding
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Patent number: 11649732Abstract: An assembly includes first and second core gaspath walls. Each of the core gaspath walls defines a core gas path side and a non-core gas path side. The first and second core gaspath walls are arranged next to each other and define a gap therebetween. There is a seal arranged on the non-core gas path side that bridges over the gap to seal the gap. A spring device has a plurality of spring elements. The spring elements bias the seal against the non-core gas path sides of the first and second core gaspath walls.Type: GrantFiled: March 11, 2021Date of Patent: May 16, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventor: Robert A. White, III
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Patent number: 11624441Abstract: A seal assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a first side plate and a backing plate that extend circumferentially about an assembly axis. The backing plate includes a main body and a first set of abutments that extend outwardly from the main body to abut the first side plate. A first set of pockets are established between adjacent abutments of the first set of abutments. A first brush seal is between the first side plate and the backing plate. Sections of the first brush seal received in respective pockets of the first set of pockets are dimensioned to join together to establish a first sealing relationship with a first gas turbine engine component. A method of assembly is also disclosed.Type: GrantFiled: April 30, 2021Date of Patent: April 11, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventor: Robert A. White, III
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Patent number: 11619138Abstract: A seal assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a first side plate, a second side plate and a backing plate that extend circumferentially about an assembly axis. A first brush seal and a second brush seal are positioned on opposite sides of the backing plate such that the first brush seal is between the first side plate and the backing plate and such that the second brush seal is between the second side plate and the backing plate. The first brush seal is dimensioned to establish a first sealing relationship with a first gas turbine engine component. The second brush seal is dimensioned to establish a second sealing relationship with a second gas turbine engine component. A method of assembly is also disclosed.Type: GrantFiled: April 30, 2021Date of Patent: April 4, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventor: Robert A. White, III
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Publication number: 20230057881Abstract: A gas turbine engine includes a ceramic wall for bounding an engine core gas path. The ceramic wall has a ceramic wall first side that faces the engine core gas path and a ceramic wall second side that faces away from the engine core gas path. There is a metallic wall adjacent the ceramic wall second side. The metallic wall has a metallic wall first side that faces the ceramic wall and a metallic wall second side that faces away from the ceramic wall. The metallic wall and the ceramic wall are spaced apart such that there is a channel there between. There is a seal on the ceramic wall second side, and the metallic wall has at least one cooling hole adjacent the seal for emitting cooling air to cool the seal.Type: ApplicationFiled: November 1, 2022Publication date: February 23, 2023Inventors: San Quach, Robert A. White, III, Tyler G. Vincent
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Publication number: 20230015977Abstract: A seal system includes a ceramic component, a metallic component, a coating system. The ceramic component has a first surface region that defines a first surface roughness. The metallic component is situated adjacent to the first surface region and has a second surface region facing the first surface region. The coating system includes a silicon-containing layer on the surface region of the ceramic component and barrier layer on the silicon-containing layer. The silicon containing layer has a surface in contact with the barrier layer and the barrier layer has a surface in contact with the metallic component. The surface of the barrier layer has a second surface roughness that is less than the first surface roughness. The barrier layer serves to limit interaction between silicon of the silicon-containing layer and elements of the metallic component. The barrier layer includes at least one of mullite, zircon, or hafnon.Type: ApplicationFiled: July 16, 2021Publication date: January 19, 2023Inventors: Brian T. Hazel, Raymond Surace, Robert A. White, III, Zhongfen Ding
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Publication number: 20230019497Abstract: A seal system includes a ceramic component, a metallic component, a silicon-containing layer, and a barrier layer. The ceramic component has a first surface region that defines a first surface roughness. The metallic component is situated adjacent to the first surface region and has a second surface region facing the first surface region. The silicon-containing layer is on the first surface region of the ceramic component and has a contact surface that defines a second surface roughness which is less than the first surface roughness. The barrier layer is on the metallic component and in contact with the silicon-containing layer and serves to limit interaction between silicon of the silicon-containing layer and the metallic component. The barrier layer includes at least one of alumina or MCrAlY.Type: ApplicationFiled: July 16, 2021Publication date: January 19, 2023Inventors: Raymond Surace, Brian T. Hazel, Robert A. White, III, Zhongfen (Vivian) Ding
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Patent number: 11555452Abstract: A seal system includes a ceramic component, a metallic component, a coating system. The ceramic component has a first surface region that defines a first surface roughness. The metallic component is situated adjacent to the first surface region and has a second surface region facing the first surface region. The coating system includes a silicon-containing layer on the surface region of the ceramic component and barrier layer on the silicon-containing layer. The silicon containing layer has a surface in contact with the barrier layer and the barrier layer has a surface in contact with the metallic component. The surface of the barrier layer has a second surface roughness that is less than the first surface roughness. The barrier layer serves to limit interaction between silicon of the silicon-containing layer and elements of the metallic component. The barrier layer includes at least one of mullite, zircon, or hafnon.Type: GrantFiled: July 16, 2021Date of Patent: January 17, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Brian T. Hazel, Raymond Surace, Robert A. White, III, Zhongfen Ding
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Patent number: 11549385Abstract: An airfoil assembly includes an airfoil fairing, a spar, a seal plate, and a seal. The airfoil fairing has a fairing platform and a hollow airfoil section that extends from the fairing platform. The spar has a spar leg that extends in the hollow airfoil section. The spar leg defines a spar leg periphery. The seal plate is secured with the fairing platform. The seal plate has an opening, and the opening has an opening periphery that is complementary to the spar leg periphery. The spar leg extends through the opening. The seal is between the seal plate and the spar leg. The seal seals around the spar leg periphery.Type: GrantFiled: May 4, 2021Date of Patent: January 10, 2023Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Robert A. White, III, Bryan P. Dube
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Patent number: 11512596Abstract: A vane arc segment includes an airfoil fairing that has a platform and an airfoil section that extends therefrom. The platform defines periphery edge faces, a gaspath face, and a non-gaspath face. The platform has a flange that projects radially from the non-gaspath face. The flange defines a forward flange face, an aft flange face, and a radial flange face. The flange has an end portion adjacent one of the periphery edges. The end portion includes a step that defines a radial step face that is radially intermediate the radial flange face and the non-gaspath face.Type: GrantFiled: March 25, 2021Date of Patent: November 29, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Jon E. Sobanski, Robert A. White, III
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Patent number: 11512604Abstract: A vane assembly includes a platform. A vane cover is arranged adjacent the platform. The vane cover has a protrusion that provides a spring land. The spring land is arranged at an angle relative to the vane cover. A spring assembly has a plunger. The plunger is in contact with the spring land.Type: GrantFiled: May 4, 2021Date of Patent: November 29, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventor: Robert A. White, III
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Patent number: 11506069Abstract: A vane arc segment includes an airfoil fairing that has an airfoil wall that defines a fairing platform and a hollow airfoil section. A spar has a spar platform adjacent the fairing platform and a spar leg that extends from the spar platform and through the hollow airfoil section. The spar leg is spaced from the airfoil wall in the hollow airfoil section such that there is a first gap. The spar platform is spaced from the fairing platform such that there is a second gap. A support platform is secured to the spar leg such that the airfoil fairing is trapped between the spar platform and the support platform. There is a spring seal between the spar platform and the fairing platform. The spring seal biases the airfoil fairing toward the support platform and seals the first gap from the second gap.Type: GrantFiled: March 3, 2021Date of Patent: November 22, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: Robert A. White, III, Benjamin B. Simpson
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Patent number: 11499443Abstract: A gas turbine engine includes a ceramic wall for bounding an engine core gas path. The ceramic wall has a ceramic wall first side that faces the engine core gas path and a ceramic wall second side that faces away from the engine core gas path. There is a metallic wall adjacent the ceramic wall second side. The metallic wall has a metallic wall first side that faces the ceramic wall and a metallic wall second side that faces away from the ceramic wall. The metallic wall and the ceramic wall are spaced apart such that there is a channel there between. There is a seal on the ceramic wall second side, and the metallic wall has at least one cooling hole adjacent the seal for emitting cooling air to cool the seal.Type: GrantFiled: December 21, 2020Date of Patent: November 15, 2022Assignee: RAYTHEON TECHNOLOGIES CORPORATIONInventors: San Quach, Robert A. White, III, Tyler G. Vincent
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Publication number: 20220356808Abstract: An airfoil assembly includes an airfoil fairing, a spar, a seal plate, and a seal. The airfoil fairing has a fairing platform and a hollow airfoil section that extends from the fairing platform. The spar has a spar leg that extends in the hollow airfoil section. The spar leg defines a spar leg periphery. The seal plate is secured with the fairing platform. The seal plate has an opening, and the opening has an opening periphery that is complementary to the spar leg periphery. The spar leg extends through the opening. The seal is between the seal plate and the spar leg. The seal seals around the spar leg periphery.Type: ApplicationFiled: May 4, 2021Publication date: November 10, 2022Inventors: Robert A. White, III, Bryan P. Dube
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Publication number: 20220356806Abstract: A vane assembly includes a platform. A vane cover is arranged adjacent the platform. The vane cover has a protrusion that provides a spring land. The spring land is arranged at an angle relative to the vane cover. A spring assembly has a plunger. The plunger is in contact with the spring land.Type: ApplicationFiled: May 4, 2021Publication date: November 10, 2022Inventor: Robert A. White, III