Patents by Inventor Anthony G. Razzell

Anthony G. Razzell 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).

  • Gas turbine engine with pre-conditioned ceramic matrix composite components
    Patent number: 11933195
    Abstract: A method of treating a component adapted for use in a gas turbine engine is described herein. The component may comprise ceramic matrix composite materials. The treatment to the ceramic matrix composite component may reduce or eliminate the wear or damage of crack propagation in the ceramic matrix composite component.
    Type: Grant
    Filed: February 3, 2022
    Date of Patent: March 19, 2024
    Assignees: Rolls-Royce High Temperature Composites Inc.
    Inventors: Michael J. Whittle, Louise J. Gale, Stephan J. Pattison, Anthony G. Razzell, Ian M. Edmonds, Michael G. Abbott
  • CERAMIC MATRIX COMPOSITE COMPONENTS WITH MICROSTRUCTURE FEATURES
    Publication number: 20230094750
    Abstract: A method of forming a ceramic matrix composite component. The ceramic matrix composite component is adapted for use in a gas turbine engine. The method including forming the component using ceramic materials and infiltrating the component with a matrix material.
    Type: Application
    Filed: September 30, 2021
    Publication date: March 30, 2023
    Inventors: Ian M. Edmonds, Anthony G. Razzell
  • Ceramic matrix composite vane with hybrid construction
    Patent number: 11434177
    Abstract: A component for use in a gas turbine engine is made from ceramic materials. The component is made from a core preform containing ceramic reinforcement fibers. A plurality of preform tows are applied on at least a portion of the core preform and extend along at least a portion of the core preform to provide an outermost surface. The core preform and the plurality of preform tows are infiltrated with ceramic matrix material to form a ceramic matrix composite component.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: September 6, 2022
    Inventors: Anthony G. Razzell, Michael J. Whittle, Ian M. Edmonds
  • GAS TURBINE ENGINE WITH PRE-CONDITIONED CERAMIC MATRIX COMPOSITE COMPONENTS
    Publication number: 20220154582
    Abstract: A method of treating a component adapted for use in a gas turbine engine is described herein. The component may comprise ceramic matrix composite materials. The treatment to the ceramic matrix composite component may reduce or eliminate the wear or damage of crack propagation in the ceramic matrix composite component.
    Type: Application
    Filed: February 3, 2022
    Publication date: May 19, 2022
    Inventors: Michael J. Whittle, Louise J. Gale, Stephan J. Pattison, Anthony G. Razzell, Ian M. Edmonds, Michael G. Abbott
  • Gas turbine engine with pre-conditioned ceramic matrix composite components
    Patent number: 11255200
    Abstract: A method of treating a component adapted for use in a gas turbine engine is described herein. The component may comprise ceramic matrix composite materials. The treatment to the ceramic matrix composite component may reduce or eliminate the wear or damage of crack propagation in the ceramic matrix composite component.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: February 22, 2022
    Assignees: Rolls-Royce High Temperature Composites Inc.
    Inventors: Michael J. Whittle, Louise J. Gale, Stephan J. Pattison, Anthony G. Razzell, Ian M. Edmonds, Michael G. Abbott
  • Turbine section assembly with ceramic matrix composite vane
    Patent number: 11193393
    Abstract: A turbine assembly adapted for use in a gas turbine engine with a turbine vane comprising ceramic matrix composite materials. The turbine vane is configured to redirect air moving through a primary gas path of the gas turbine engine. The turbine assembly includes a vane-stage support for holding the turbine vane in place relative to a turbine case.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: December 7, 2021
    Inventors: Michael J. Whittle, Anthony G. Razzell, Roderick M. Townes, David J. Shepherd, Duncan Forbes
  • Turbine engine component with overstress indicator
    Patent number: 11149581
    Abstract: A component for use in a gas turbine engine includes a component body, and a damage-indicative coating. The damage-indicative coating is configured to change from an intact state in which the damage-indicative coating has a first appearance to a damaged state in which the damage-indicative coating has a second appearance.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: October 19, 2021
    Assignees: Rolls-Royce High Temperature Composites Inc.
    Inventors: Michael J. Whittle, Anthony G. Razzell, Stephen I. Harris
  • Turbine section assembly with ceramic matrix composite vane
    Patent number: 11149559
    Abstract: A turbine assembly adapted for use in a gas turbine engine is disclosed in this paper. The turbine assembly includes a turbine vane comprising ceramic matrix composite materials configured for use in high temperature environments. The turbine assembly further includes a vane-stage support for holding the turbine vane and other components in place relative to a turbine case.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: October 19, 2021
    Inventors: Michael J. Whittle, Anthony G. Razzell, Roderick M. Townes, David J. Shepherd, Duncan Forbes
  • Turbine engine assembly with ceramic matrix composite components and end face seals
    Patent number: 11078802
    Abstract: A gas turbine engine assembly includes a first component, a second component, and a seal. The first component is spaced apart from the second component to form a gap between the first component and the second component. The seal is configured to block gases from flowing in the gap between the first component and the second component.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: August 3, 2021
    Inventors: Anthony G. Razzell, Michael J. Whittle, Steven Hillier
  • GAS TURBINE ENGINE WITH PRE-CONDITIONED CERAMIC MATRIX COMPOSITE COMPONENTS
    Publication number: 20210231019
    Abstract: A method of treating a component adapted for use in a gas turbine engine is described herein. The component may comprise ceramic matrix composite materials. The treatment to the ceramic matrix composite component may reduce or eliminate the wear or damage of crack propagation in the ceramic matrix composite component.
    Type: Application
    Filed: January 28, 2020
    Publication date: July 29, 2021
    Inventors: Michael J. Whittle, Louise J. Gale, Stephan J. Pattison, Anthony G. Razzell, Ian M. Edmonds, Michael G. Abbott
  • TURBINE ENGINE COMPONENT WITH OVERSTRESS INDICATOR
    Publication number: 20210156275
    Abstract: A component for use in a gas turbine engine includes a component body, and a damage-indicative coating. The damage-indicative coating is configured to change from an intact state in which the damage-indicative coating has a first appearance to a damaged state in which the damage-indicative coating has a second appearance.
    Type: Application
    Filed: November 22, 2019
    Publication date: May 27, 2021
    Inventors: Michael J. Whittle, Anthony G. Razzell, Stephen I. Harris
  • Turbine section assembly with ceramic matrix composite vane
    Patent number: 11008880
    Abstract: A turbine assembly adapted for use in a gas turbine engine is disclosed in this paper. The turbine assembly includes a turbine vane comprising ceramic matrix composite materials configured for use in high temperature environments. The turbine assembly further includes a vane-stage support for holding the turbine vane and other components in place relative to a turbine case.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: May 18, 2021
    Inventors: Michael J. Whittle, Anthony G. Razzell, Roderick M. Townes, David J. Shepherd, Duncan Forbes
  • Turbine section assembly with ceramic matrix composite vane
    Patent number: 10975708
    Abstract: A turbine assembly adapted for use in a gas turbine engine is disclosed in this paper. The turbine assembly includes a turbine vane comprising ceramic matrix composite materials configured for use in high temperature environments. The turbine assembly further includes a vane-stage support for holding the turbine vane and other components in place relative to a turbine case.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: April 13, 2021
    Assignee: Rolls-Royce plc
    Inventors: Michael J. Whittle, Anthony G. Razzell, Roderick M. Townes, David J. Shepherd, Duncan Forbes
  • Ceramic matrix composite hanger heat shield
    Patent number: 10968764
    Abstract: A turbine shroud assembly of a gas turbine engine includes seal segments made from ceramic matrix composite materials. The mounting assembly used to support the seal segments has heat shields adapted to resist radiant heating from the seal segments, especially portions of the seal adjacent to a primary gas path along the turbine shroud assembly.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: April 6, 2021
    Assignees: Rolls-Royce Corporation
    Inventors: Daniel K. Vetters, Jeffrey M. Crutchfield, Anthony G. Razzell
  • Turbine section assembly with ceramic matrix composite vane
    Patent number: 10954802
    Abstract: A turbine assembly adapted for use in a gas turbine engine with a turbine vane comprising ceramic matrix composite materials. The turbine vane is configured to redirect air moving through a primary gas path of the gas turbine engine. The turbine assembly includes a vane-stage support for holding the turbine vane in place relative to a turbine case.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: March 23, 2021
    Inventors: Michael J. Whittle, Anthony G. Razzell, Roderick M. Townes, David J. Shepherd, Duncan Forbes
  • CERAMIC MATRIX COMPOSITE VANE WITH HYBRID CONSTRUCTION
    Publication number: 20200392049
    Abstract: A component for use in a gas turbine engine is made from ceramic materials. The component is made from a core preform containing ceramic reinforcement fibers. A plurality of preform tows are applied on at least a portion of the core preform and extend along at least a portion of the core preform to provide an outermost surface. The core preform and the plurality of preform tows are infiltrated with ceramic matrix material to form a ceramic matrix composite component.
    Type: Application
    Filed: May 13, 2019
    Publication date: December 17, 2020
    Inventors: Anthony G. Razzell, Michael J. Whittle, Ian M. Edmonds
  • TURBINE SECTION ASSEMBLY WITH CERAMIC MATRIX COMPOSITE VANE
    Publication number: 20200362707
    Abstract: A turbine assembly adapted for use in a gas turbine engine is disclosed in this paper. The turbine assembly includes a turbine vane comprising ceramic matrix composite materials configured for use in high temperature environments. The turbine assembly further includes a vane-stage support for holding the turbine vane and other components in place relative to a turbine case.
    Type: Application
    Filed: May 13, 2019
    Publication date: November 19, 2020
    Inventors: Michael J. Whittle, Anthony G. Razzell, Roderick M. Townes, David J. Shepherd, Duncan Forbes
  • TURBINE ENGINE ASSEMBLY WITH CERAMIC MATRIX COMPOSITE COMPONENTS AND END FACE SEALS
    Publication number: 20200355089
    Abstract: A gas turbine engine assembly includes a first component, a second component, and a seal. The first component is spaced apart from the second component to form a gap between the first component and the second component. The seal is configured to block gases from flowing in the gap between the first component and the second component.
    Type: Application
    Filed: May 10, 2019
    Publication date: November 12, 2020
    Inventors: Anthony G. Razzell, Michael J. Whittle, Steven Hillier
  • TURBINE SECTION ASSEMBLY WITH CERAMIC MATRIX COMPOSITE VANE
    Publication number: 20200340370
    Abstract: A turbine assembly adapted for use in a gas turbine engine with a turbine vane comprising ceramic matrix composite materials. The turbine vane is configured to redirect air moving through a primary gas path of the gas turbine engine. The turbine assembly includes a vane-stage support for holding the turbine vane in place relative to a turbine case.
    Type: Application
    Filed: April 23, 2019
    Publication date: October 29, 2020
    Inventors: Michael J. Whittle, Anthony G. Razzell, Roderick M. Townes, David J. Shepherd, Duncan Forbes
  • TURBINE SECTION ASSEMBLY WITH CERAMIC MATRIX COMPOSITE VANE
    Publication number: 20200340363
    Abstract: A turbine assembly adapted for use in a gas turbine engine with a turbine vane comprising ceramic matrix composite materials. The turbine vane is configured to redirect air moving through a primary gas path of the gas turbine engine. The turbine assembly includes a vane-stage support for holding the turbine vane in place relative to a turbine case.
    Type: Application
    Filed: April 23, 2019
    Publication date: October 29, 2020
    Inventors: Michael J. Whittle, Anthony G. Razzell, Roderick M. Townes, David J. Shepherd, Duncan Forbes