Patents by Inventor Steven Hillier
Steven Hillier 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: 20190242268Abstract: A blade track for a gas turbine engine includes a plurality of blade track segments. The blade track segments are arranged circumferentially around a central axis to form the blade track.Type: ApplicationFiled: April 16, 2019Publication date: August 8, 2019Inventors: Daniel K. Vetters, Aaron D. Sippel, David J. Thomas, Andrew J. Eifert, Paul A. Davis, Simon L. Jones, Peter Broadhead, Bruce E. Varney, Jeffrey A. Walston, Steven Hillier
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Patent number: 10370988Abstract: Described is a nozzle guide vane assembly may comprise: a plurality of nozzle guide vane passages arranged in an annular array, each nozzle guide passage comprising inner and outer radial platforms, a suction surface of a first vane, and a pressure surface of a second vane, wherein the nozzle guide passages are made from a plurality of layers of ceramic fibers held in a ceramic matrix, wherein a first nozzle guide passage includes at least one attachment lug attaching the nozzle guide passage to either or both of an engine casing and an adjacent second nozzle guide passage, the attachment lug being integral with the first nozzle guide passage.Type: GrantFiled: July 19, 2016Date of Patent: August 6, 2019Assignee: ROLLS-ROYCE plcInventor: Steven Hillier
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Patent number: 10316682Abstract: A blade track for a gas turbine engine includes a plurality of blade track segments. The blade track segments are arranged circumferentially around a central axis to form the blade track.Type: GrantFiled: April 1, 2016Date of Patent: June 11, 2019Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce plcInventors: Daniel K. Vetters, Paul A. Davis, Simon L. Jones, Steven Hillier, Peter Broadhead
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Patent number: 10202860Abstract: A method of constructing the nozzle guide passage may include the steps of: providing a tubular pre-form having a plurality of layers of unconsolidated CMC fibers in which the internal walls of the tubular preform provide either working surfaces which define the main gas path walls of the assembled nozzle vane, or extraneous wall portions which do not provide working surfaces of the assembled nozzle guide vane arrangement; cutting the wall portions to provide one or more flaps which remain attached to the pre-form via a connecting portion of wall; and, displacing the flap from a first pre-cut position, to a second consolidation position to provide one or more ancillary features.Type: GrantFiled: July 19, 2016Date of Patent: February 12, 2019Assignee: ROLLS-ROYCE plcInventor: Steven Hillier
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Publication number: 20190017400Abstract: A turbine shroud adapted for use in a gas turbine engine includes a plurality of metallic carrier segments and a plurality of blade track segments mounted to corresponding metallic carrier segments. Impingement tubes direct cooling air onto the blade track segments to cool the blade track segments when exposed to high temperatures in a gas turbine engine.Type: ApplicationFiled: September 20, 2018Publication date: January 17, 2019Inventors: Daniel K. Vetters, Peter Broadhead, Steven Hillier
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Patent number: 10100654Abstract: A turbine shroud adapted for use in a gas turbine engine includes a plurality of metallic carrier segments and a plurality of blade track segments mounted to corresponding metallic carrier segments. Impingement tubes direct cooling air onto the blade track segments to cool the blade track segments when exposed to high temperatures in a gas turbine engine.Type: GrantFiled: November 24, 2015Date of Patent: October 16, 2018Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce CorporationInventors: Daniel K. Vetters, Peter Broadhead, Steven Hillier
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Publication number: 20170370240Abstract: A gas turbine engine assembly adapted to separate a high pressure zone from a low pressure zone includes a seal assembly configured to block gasses from passing through the interface of two adjacent components. The seal assembly includes a rod.Type: ApplicationFiled: August 9, 2017Publication date: December 28, 2017Inventors: Aaron D. Sippel, Ted J. Freeman, David J. Thomas, Joseph P. Lamusga, Brian J. Shoemaker, Steven Hillier
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Patent number: 9757918Abstract: The invention concerns an article (20) formed of a ceramic matrix composite structure having a plurality of ceramic fiber layers (22) and a binder material (24) interspersed throughout said layers. The ceramic matrix composite material may be sintered. The ceramic fiber layers undulate relative to one or more outer surfaces (38;40) of the article. Thus support features (48) within the article are able to share a load in use between a plurality of layers. The invention may be suited to engine components such as turbine seal segments in a gas turbine engine.Type: GrantFiled: March 4, 2014Date of Patent: September 12, 2017Assignee: ROLLS-ROYCE plcInventor: Steven Hillier
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Patent number: 9759079Abstract: A gas turbine engine assembly adapted to separate a high pressure zone from a low pressure zone includes a seal assembly configured to block gasses from passing through the interface of two adjacent components. The seal assembly includes a rod.Type: GrantFiled: May 28, 2015Date of Patent: September 12, 2017Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc., Rolls-Royce High Temperature Composites Inc., Rolls-Royce plcInventors: Aaron D. Sippel, Ted J. Freeman, David J. Thomas, Joseph P. Lamusga, Brian J. Shoemaker, Steven Hillier
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Publication number: 20170254272Abstract: This disclosure describes a wall arrangement for a gas turbine engine, comprising: an annular wall comprising a plurality of circumferential wall segments, adjacent wall segments having opposing first and second end wall portions which define a separating gap therebetween, the gap including a saddle portion which faces radially outwards and comprises a first sealing face on the first end wall portion and a second sealing face on the second end wall portion; and, a longitudinal seal member having a curved sealing surface located within the saddle portion, wherein the curved sealing surface contacts the either or both first and second sealing faces along the length of the saddle portion in use, wherein the seal member includes axially compressible segments which allow the seal member to bend longitudinally.Type: ApplicationFiled: February 24, 2017Publication date: September 7, 2017Applicant: ROLLS-ROYCE plcInventor: Steven HILLIER
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Publication number: 20170254271Abstract: This document discloses a wall arrangement for a gas turbine engine, comprising: an annular wall comprising a plurality of circumferential wall segments, adjacent wall segments having opposing first and second end wall portions which define a separating gap therebetween, the gap including a saddle portion which faces radially outwards and comprises a first sealing face on the first end wall portion and a second sealing face on the second end wall portion; and, a longitudinal seal member having a curved sealing surface located within the saddle portion, wherein the curved sealing surface contacts either or both first and second sealing faces along the length of the saddle portion in use, wherein the seal member includes one or more axial restraint features which engage with a corresponding feature of the wall segment or a supporting structure thereof.Type: ApplicationFiled: February 24, 2017Publication date: September 7, 2017Applicant: ROLLS-ROYCE plcInventor: Steven HILLIER
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Publication number: 20170254220Abstract: Described is a wall arrangement for a gas turbine engine, comprising: an annular wall comprising a plurality of circumferential wall segments, adjacent wall segments having opposing first and second end wall portions which define a separating gap therebetween, the gap including a saddle portion which faces radially outwards and comprises a first sealing face on the first end wall portion and a second sealing face on the second end wall portion; and, a longitudinal seal member having a curved sealing surface located within the saddle portion, wherein the curved sealing surface contacts the either or both first and second sealing faces along the length of the saddle portion in use, in which the seal member further includes a plurality of flow passages extending from an outboard side to an inboard side.Type: ApplicationFiled: February 24, 2017Publication date: September 7, 2017Applicant: ROLLS-ROYCE plcInventor: Steven HILLIER
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Publication number: 20170145845Abstract: A turbine shroud adapted for use in a gas turbine engine includes a plurality of metallic carrier segments and a plurality of blade track segments mounted to corresponding metallic carrier segments. Impingement tubes direct cooling air onto the blade track segments to cool the blade track segments when exposed to high temperatures in a gas turbine engine.Type: ApplicationFiled: November 24, 2015Publication date: May 25, 2017Inventors: Daniel K. Vetters, Peter Broadhead, Steven Hillier
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Publication number: 20170138208Abstract: A method of constructing the nozzle guide passage may include the steps of: providing a tubular pre-form having a plurality of layers of unconsolidated CMC fibres in which the internal walls of the tubular preform provide either working surfaces which define the main gas path walls of the assembled nozzle vane, or extraneous wall portions which do not provide working surfaces of the assembled nozzle guide vane arrangement; cutting the wall portions to provide one or more flaps which remain attached to the pre-form via a connecting portion of wall; and, displacing the flap from a first pre-cut position, to a second consolidation position to provide one or more ancillary features.Type: ApplicationFiled: July 19, 2016Publication date: May 18, 2017Applicant: ROLLS-ROYCE plcInventor: Steven HILLIER
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Patent number: 9581038Abstract: A seal segment is positioned, in use, radially adjacent the rotor. The seal segment has first and second circumferentially spaced passageways each of which extends in the fore and aft direction. In use, a first support bar is contained within the first passageway, and a second support bar is contained within the second passageway. The first and second support bars being mountable to complementary formations provided by the casing of the engine. The first passageway is configured such that the seal segment is fixed relative to the first support bar in the radial and circumferential directions. The second passageway is configured such that the seal segment is fixed relative to the second support bar in the radial direction but allows relative movement of the seal segment and the second support bar in the circumferential direction to accommodate differential thermal expansion of the seal segment and the casing.Type: GrantFiled: July 18, 2013Date of Patent: February 28, 2017Assignee: ROLLS-ROYCE PLCInventors: Steven Hillier, Dennis Jong
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Publication number: 20170030208Abstract: Described is a nozzle guide vane assembly may comprise: a plurality of nozzle guide vane passages arranged in an annular array, each nozzle guide passage comprising inner and outer radial platforms, a suction surface of a first vane, and a pressure surface of a second vane, wherein the nozzle guide passages are made from a plurality of layers of ceramic fibres held in a ceramic matrix, wherein a first nozzle guide passage includes at least one attachment lug attaching the nozzle guide passage to either or both of an engine casing and an adjacent second nozzle guide passage, the attachment lug being integral with the first nozzle guide passage.Type: ApplicationFiled: July 19, 2016Publication date: February 2, 2017Applicant: ROLLS-ROYCE plcInventor: Steven HILLIER
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Patent number: 9546562Abstract: A seal segment is provided for a shroud ring of a rotor of a gas turbine engine. The seal segment is positioned, in use, radially adjacent the rotor. The seal segment includes a body portion having front and rear sides which each contain a respective slot that extends in the circumferential direction so that a respective hook formation is insertable into each slot for attaching the seal segment to the engine casing. The body portion is formed from continuous fiber reinforced ceramic matrix composite, reinforcing fibers of the composite wrapping around each slot so that, at the base of the slot, the reinforcing fibers are parallel to the surface of the body portion.Type: GrantFiled: March 25, 2014Date of Patent: January 17, 2017Assignee: ROLLS-ROYCE plcInventor: Steven Hillier
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Publication number: 20160333718Abstract: A blade track for a gas turbine engine includes a plurality of blade track segments. The blade track segments are arranged circumferentially around a central axis to form the blade track.Type: ApplicationFiled: April 1, 2016Publication date: November 17, 2016Inventors: Daniel K. Vetters, Paul A. Davis, Simon L. Jones, Steven Hillier, Peter Broadhead
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Publication number: 20160319689Abstract: A blade track for a gas turbine engine includes a plurality of blade track segments. The blade track segments are arranged circumferentially around a central axis to form the blade track.Type: ApplicationFiled: April 4, 2016Publication date: November 3, 2016Inventors: Daniel K. Vetters, Aaron D. Sippel, David J. Thomas, Andrew J. Eifert, Paul A. Davis, Simon L. Jones, Peter Broadhead, Bruce E. Varney, Jeffrey A. Walston, Steven Hillier
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Patent number: 9476316Abstract: A component of a gas turbine engine is formed from a continuous fiber reinforced ceramic matrix composite (CMC). The component has a sealing portion which, in use, makes sealing contact with an adjacent component of the engine. The sealing portion comprises a recess formed in the CMC and filled with a finer grade ceramic relative to the surrounding CMC, a metal or an intermetallic.Type: GrantFiled: March 4, 2014Date of Patent: October 25, 2016Assignee: ROLLS-ROYCE plcInventor: Steven Hillier