Patents by Inventor Robert Heeter
Robert Heeter 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: 11828197Abstract: A guide vane assembly includes a fan case, a vane, and a retention ring. The fan case extends circumferentially partway about an axis. The vane extends radially inward away from the fan case and is coupled to the fan case. The retention ring extends circumferentially partway about the axis and is coupled with the fan case and supports the vane.Type: GrantFiled: December 3, 2021Date of Patent: November 28, 2023Assignee: Rolls-Royce North American Technologies Inc.Inventors: Robert Heeter, Daniel E. Molnar, Jr.
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Publication number: 20230175408Abstract: A guide vane assembly includes a fan case, a vane, and a retention ring. The fan case extends circumferentially partway about an axis. The vane extends radially inward away from the fan case and is coupled to the fan case. The retention ring extends circumferentially partway about the axis and is coupled with the fan case and supports the vane.Type: ApplicationFiled: December 3, 2021Publication date: June 8, 2023Inventors: Robert Heeter, Daniel E. Molnar, JR.
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Patent number: 11506083Abstract: Composite liners (such as acoustic panels, fan track liners, and/or ice impact panels or boxes for turbofan engines) and techniques for forming composite liners. In some examples, the composite liner includes at least one region comprising a reinforcement architecture comprising a matrix material, a plurality of relatively tough polymer-based reinforcement elements, and a plurality of second reinforcement elements. The plurality of relatively tough polymer-based reinforcement elements and the plurality of second reinforcement elements are embedded in the matrix material.Type: GrantFiled: June 3, 2020Date of Patent: November 22, 2022Assignee: Rolls-Royce CorporalionInventors: Matthew J. Kappes, Robert Heeter, Jonathan Michael Rivers, Benedict N. Hodgson
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Patent number: 11421538Abstract: A composite aerofoil may include an aerofoil body defining a leading edge and a trailing edge, wherein the body comprises a composite material including a plurality of relatively higher-modulus reinforcement elements, a plurality of relatively tougher polymer-based reinforcement elements, and a matrix material substantially encapsulating the plurality of relatively higher-modulus reinforcement elements and the plurality of relatively tougher polymer-based reinforcement elements. The plurality of relatively higher-modulus reinforcement elements are different from the plurality of relatively tougher polymer-based reinforcement elements. The disclosure also describes techniques for forming composite aerofoils.Type: GrantFiled: May 12, 2020Date of Patent: August 23, 2022Assignee: Rolls-Royce CorporationInventors: Robert Heeter, Matthew J. Kappes, Jonathan Michael Rivers, Benedict N. Hodgson
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Patent number: 11352953Abstract: Systems and methods are presented for dampening noise in a rotating machine having a rotatable shaft defining an axis of rotation. An acoustic panel assembly may comprise an annular casing, a hook, and an acoustic panel carried by the hook. The acoustic panel comprises a radially inner skin, a radially outer skin, and an acoustic treatment member having a plurality of walls extending between the radially inner skin and the radially outer skin thereby defining a plurality of radially oriented cells. A portion of the cells adjacent a first axial edge of the acoustic panel are filled with a reinforcement material and shaped to form a lip having sufficient strength to support a portion of the acoustic panel. The panel is positioned so that the lip is axially and radially retained by the hook.Type: GrantFiled: April 5, 2019Date of Patent: June 7, 2022Assignee: ROLLS-ROYCE CORPORATIONInventors: Jeff Higbie, Robert Heeter, Ben Hodgson, Jon Rivers
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Patent number: 11313324Abstract: Systems and methods are presented for acoustic dampening in a rotating machine. The rotating machine has a rotatable shaft defining an axis of rotation and a gas flowpath. A system comprises an acoustic panel affixed to an annular casing. The acoustic panel comprises an acoustic treatment member extending between a radially inner skin and radially outer skin. The radially inner skin extends the full axial and circumferential dimensions of the acoustic panel, and the acoustic treatment member overlays the entirety of the radially inner skin. The acoustic panel is positioned so that the radially outer skin abuts the casing, the abutting surfaces being configured to effect relative axial movement between the surfaces while maintaining contact between the surfaces. The acoustic panel is affixed in position to the casing by one or more fasteners passing through the casing and a portion of the radially outer skin.Type: GrantFiled: April 12, 2019Date of Patent: April 26, 2022Assignee: Rolls-Royce CorporationInventors: Jeff Higbie, Robert Heeter, Ben Hodgson, Jon Rivers
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Publication number: 20210381396Abstract: The disclosure describes composite liners (such as acoustic panels, fan track liners, and/or ice impact panels or boxes for turbofan engines) and techniques for forming composite liners. In some examples, the composite liner includes at least one region comprising a reinforcement architecture comprising a matrix material, a plurality of relatively tough polymer-based reinforcement elements, and a plurality of second reinforcement elements. The plurality of relatively tough polymer-based reinforcement elements and the plurality of second reinforcement elements are embedded in the matrix material.Type: ApplicationFiled: June 3, 2020Publication date: December 9, 2021Inventors: Matthew J. Kappes, Robert Heeter, Jonathan Michael Rivers, Benedict N. Hodgson
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Publication number: 20210355833Abstract: A composite aerofoil may include an aerofoil body defining a leading edge and a trailing edge, wherein the body comprises a composite material including a plurality of relatively higher-modulus reinforcement elements, a plurality of relatively tougher polymer-based reinforcement elements, and a matrix material substantially encapsulating the plurality of relatively higher-modulus reinforcement elements and the plurality of relatively tougher polymer-based reinforcement elements. The plurality of relatively higher-modulus reinforcement elements are different from the plurality of relatively tougher polymer-based reinforcement elements. The disclosure also describes techniques for forming composite aerofoils.Type: ApplicationFiled: May 12, 2020Publication date: November 18, 2021Inventors: Robert Heeter, Matthew J. Kappes, Jonathan Michael Rivers, Benedict N. Hodgson
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Patent number: 11162425Abstract: An assembly fixture for a fan casing of a gas turbine engine wherein the fan casing includes a casing having a flange with a plurality of apertures extending therethrough, comprises a locating structure having a positioning feature that is engageable by a fastener extending through a particular aperture of the plurality of apertures to secure the locating structure to the fan casing. The locating structure further includes a locating feature indicating a particular location of the fan casing when the locating structure is mounted to the fan casing.Type: GrantFiled: June 11, 2019Date of Patent: November 2, 2021Assignee: Rolls-Royce CorporationInventors: Mark Fleckenstein, Jonathan Rivers, Robert Heeter
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Patent number: 11078839Abstract: The disclosure describes composite nosecones and techniques for forming composite nosecones including a matrix material, relatively higher-modulus reinforcement elements, and relatively tougher polymer-based reinforcement elements. An example composite nosecone includes a body substantially symmetrical around a central axis. The body includes a side wall defining a diameter of the body that increases from a forward side of the body to an aft side of the body. The body includes a composite material including a plurality of relatively higher-modulus reinforcement elements, a plurality of relatively tougher polymer-based reinforcement elements, and a matrix material substantially encapsulating the plurality of relatively higher-modulus reinforcement elements and the plurality of relatively tougher polymer-based reinforcement elements. The plurality of relatively higher-modulus reinforcement elements are different from the plurality of relatively tougher polymer-based reinforcement elements.Type: GrantFiled: January 22, 2018Date of Patent: August 3, 2021Assignee: Rolls-Royce CorporationInventors: Robert Heeter, Matthew J. Kappes, Benedict N. Hodgson
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Patent number: 11008887Abstract: A containment assembly is disclosed for a turbofan engine. The containment assembly comprises a forward fence, an aft fence, a fan track liner, an intermediate casing member, an outer casing member, and an annular nesting cavity. The fan track liner is disposed axially between the forward and aft fences. The intermediate casing member is disposed radially outward of at least a portion of the fan track liner. The outer casing member is disposed radially outward of at least a portion of the intermediate member. The annular nesting cavity is bounded at least in part by the intermediate casing member and the outer casing member.Type: GrantFiled: December 21, 2018Date of Patent: May 18, 2021Assignee: ROLLS-ROYCE CORPORATIONInventors: Christopher Hall, Matthew Kappes, Glenn Patterson, Robert Heeter
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Publication number: 20200392872Abstract: An assembly fixture for a fan casing of a gas turbine engine wherein the fan casing includes a casing having a flange with a plurality of apertures extending therethrough, comprises a locating structure having a positioning feature that is engageable by a fastener extending through a particular aperture of the plurality of apertures to secure the locating structure to the fan casing. The locating structure further includes a locating feature indicating a particular location of the fan casing when the locating structure is mounted to the fan casing.Type: ApplicationFiled: June 11, 2019Publication date: December 17, 2020Inventors: Mark Fleckenstein, Jonathan Rivers, Robert Heeter
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Publication number: 20200325851Abstract: Systems and methods are presented for acoustic dampening in a rotating machine. The rotating machine has a rotatable shaft defining an axis of rotation and a gas flowpath. A system comprises an acoustic panel affixed to an annular casing. The acoustic panel comprises an acoustic treatment member extending between a radially inner skin and radially outer skin. The radially inner skin extends the full axial and circumferential dimensions of the acoustic panel, and the acoustic treatment member overlays the entirety of the radially inner skin. The acoustic panel is positioned so that the radially outer skin abuts the casing, the abutting surfaces being configured to effect relative axial movement between the surfaces while maintaining contact between the surfaces. The acoustic panel is affixed in position to the casing by one or more fasteners passing through the casing and a portion of the radially outer skin.Type: ApplicationFiled: April 12, 2019Publication date: October 15, 2020Applicant: Rolls-Royce CorporationInventors: Jeff Higbie, Robert Heeter, Ben Hodgson, Jon Rivers
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Publication number: 20200318540Abstract: Systems and methods are presented for dampening noise in a rotating machine having a rotatable shaft defining an axis of rotation. An acoustic panel assembly may comprise an annular casing, a hook, and an acoustic panel carried by the hook. The acoustic panel comprises a radially inner skin, a radially outer skin, and an acoustic treatment member having a plurality of walls extending between the radially inner skin and the radially outer skin thereby defining a plurality of radially oriented cells. A portion of the cells adjacent a first axial edge of the acoustic panel are filled with a reinforcement material and shaped to form a lip having sufficient strength to support a portion of the acoustic panel. The panel is positioned so that the lip is axially and radially retained by the hook.Type: ApplicationFiled: April 5, 2019Publication date: October 8, 2020Applicant: Rolls-Royce CorporationInventors: Jeff Higbie, Robert Heeter, Ben Hodgson, Jon Rivers
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Patent number: 10746031Abstract: An annulus filler may include an outer lid defining an airflow surface for air being drawn through the engine in an axial airflow direction and a support structure configured to connect the outer lid to a rotor disc. The annulus filler may include a composite material including a plurality of relatively high-modulus reinforcement elements, a plurality of relatively tough polymer-based reinforcement elements, and a matrix material substantially encapsulating the plurality of relatively high-modulus reinforcement elements and the plurality of relatively tough reinforcement elements.Type: GrantFiled: July 17, 2018Date of Patent: August 18, 2020Assignee: Rolls-Royce CorporationInventors: Robert Heeter, Matthew J. Kappes
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Publication number: 20200200038Abstract: A containment assembly is disclosed for a turbofan engine. The containment assembly comprises a forward fence, an aft fence, a fan track liner, an intermediate casing member, an outer casing member, and an annular nesting cavity. The fan track liner is disposed axially between the forward and aft fences. The intermediate casing member is disposed radially outward of at least a portion of the fan track liner. The outer casing member is disposed radially outward of at least a portion of the intermediate member. The annular nesting cavity is bounded at least in part by the intermediate casing member and the outer casing member.Type: ApplicationFiled: December 21, 2018Publication date: June 25, 2020Applicant: Rolls Royce CorporationInventors: Christopher Hall, Matthew Kappes, Glenn Patterson, Robert Heeter
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Publication number: 20190226401Abstract: The disclosure describes composite nosecones and techniques for forming composite nosecones including a matrix material, relatively higher-modulus reinforcement elements, and relatively tougher polymer-based reinforcement elements. An example composite nosecone includes a body substantially symmetrical around a central axis. The body includes a side wall defining a diameter of the body that increases from a forward side of the body to an aft side of the body. The body includes a composite material including a plurality of relatively higher-modulus reinforcement elements, a plurality of relatively tougher polymer-based reinforcement elements, and a matrix material substantially encapsulating the plurality of relatively higher-modulus reinforcement elements and the plurality of relatively tougher polymer-based reinforcement elements. The plurality of relatively higher-modulus reinforcement elements are different from the plurality of relatively tougher polymer-based reinforcement elements.Type: ApplicationFiled: January 22, 2018Publication date: July 25, 2019Inventors: Robert Heeter, Matthew J. Kappes, Benedict N. Hodgson
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Publication number: 20190112934Abstract: An annulus filler may include an outer lid defining an airflow surface for air being drawn through the engine in an axial airflow direction and a support structure configured to connect the outer lid to a rotor disc. The annulus filler may include a composite material including a plurality of relatively high-modulus reinforcement elements, a plurality of relatively tough polymer-based reinforcement elements, and a matrix material substantially encapsulating the plurality of relatively high-modulus reinforcement elements and the plurality of relatively tough reinforcement elements.Type: ApplicationFiled: July 17, 2018Publication date: April 18, 2019Inventors: Robert Heeter, Matthew J. Kappes