Patents by Inventor Ted J. Freeman

Ted J. Freeman 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).

  • Compliant rail hanger
    Patent number: 10787925
    Abstract: A gas turbine engine assembly includes a supporting component and a supported component. The supporting component includes features engaged by the supported component. The supported component comprises ceramic-containing materials.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 29, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: David J. Thomas, Joseph P. Lamusga, Ted J. Freeman, Andrew J. Lazur
  • Composite turbine vane with three-dimensional fiber reinforcements
    Patent number: 10767502
    Abstract: A turbine vane made from ceramic matrix composite material and adapted for use in a gas turbine engine. The turbine vane is made from ceramic matrix composite materials with three-dimensionally woven or braided reinforcing tows and includes an inner band, an outer band, and an airfoil that extends between the inner band and the outer band.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: September 8, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc., Rolls-Royce High Temperature Composites Inc.
    Inventors: Tara G. Schetzel, Ted J. Freeman, Jun Shi, Jeffrey A. Walston, Steven Clarke, Sean Kroszner
  • Turbine blade assembly with mounted platform
    Patent number: 10767496
    Abstract: A turbine blade assembly adapted for use in a gas turbine engine is disclosed in this paper. A primary member of the turbine blade assembly shaped to form an airfoil and comprises ceramic matrix composite materials. A independent platform of the turbine blade assembly is coupled to the primary member of the turbine blade assembly such that the primary member need not be shaped to provide the platform.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: September 8, 2020
    Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce Corporation
    Inventors: Ted J. Freeman, Michael A. Kowalkowski
  • Turbine shroud with movable attachment features
    Patent number: 10746054
    Abstract: A turbine shroud for positioning radially outside of blades of a turbine rotor includes a carrier, a blade track, and a track attachment system. The blade track is moved radially outwardly into a cavity of the carrier, and the track attachment system is adjusted to block radially inward movement of the blade track out of the cavity.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: August 18, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce High Temperature High Composites Inc., Rolls-Royce North American Technologies, Inc.
    Inventors: Aaron D. Sippel, Ted J. Freeman, David J. Thomas, Robert J. Shinavski, Zacheriah A. Cole
  • Turbine shroud assembly with tandem seals
    Patent number: 10746037
    Abstract: An assembly adapted for use in a gas turbine engine has a carrier component and a supported component. The assembly including a mounting system for coupling the supported component to the carrier component and a seal adapted to resist the movement of gasses between the supported component to the carrier component. In an illustrative embodiment, the assembly is a turbine shroud segment for blocking gasses from passing over turbine blades included in the gas turbine engine.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: August 18, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Aaron D. Sippel, Ted J. Freeman
  • Turbine blade with ceramic matrix composite material construction
    Patent number: 10731481
    Abstract: A turbine-blade assembly for use in a gas turbine engine is disclosed. The turbine-blade assembly includes an attachment body, a heat shield, and a retainer. The heat shield surrounds a portion of the attachment body. The retainer is configured to retain the heat shield on the turbine-blade assembly.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: August 4, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Daniel K. Vetters, Ted J. Freeman, James Glen Schwefel, Phil Bastnagel
  • Seals for a gas turbine engine assembly
    Patent number: 10704404
    Abstract: A gas turbine engine assembly adapted to separate a high pressure zone from a low pressure zone includes a pressure-activated seal. The pressure-activated seal is arranged in a channel formed between a first component and a second component that opens toward the high pressure zone.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: July 7, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Jun Shi, Ted J. Freeman, David J. Thomas
  • Ceramic matrix composite blade track segments
    Patent number: 10704407
    Abstract: A turbine shroud adapted for use in a gas turbine engine includes an attachment feature and a body. The attachment feature and the body are constructed of ceramic matrix composite materials. In an illustrative embodiment, the ceramic matrix composite materials form a blade track segment.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: July 7, 2020
    Assignees: Rolls-Royce High Temperature Composites Inc., Rolls-Royce North American Technologies Inc.
    Inventors: Chris Barrett, Joseph P. Lamusga, Ted J. Freeman
  • Full hoop blade track with keystoning segments
    Patent number: 10697315
    Abstract: A blade track used in gas turbine engines to define an outer boundary of the primary gas path through a turbine section of a gas turbine engine is disclosed. The blade track includes segments comprising ceramic matrix composite materials that are assembled such that the blade track segments keystone against one another to provide a self-supporting full hoop assembly. Circumferentially-extending splines may be used to couple adjacent segments to one. Also disclosed are other heat shielding assemblies used in gas turbine engines that share features with the illustratively disclosed blade track.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: June 30, 2020
    Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce Corporation
    Inventors: Ted J. Freeman, Aaron D. Sippel
  • Turbine wheel with clamped blade attachment
    Patent number: 10689991
    Abstract: A turbine wheel for use in a gas turbine engine having a plurality of blades attached to a rotor disk. Each blade is formed from a composite comprising ceramic matrix material. The blades each include a root that fits within dovetail slots of the rotor disk and cooperates with a blade retention assembly to couple the blades to the rotor disk.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: June 23, 2020
    Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce Corporation
    Inventors: Todd Z. Engel, Ted J. Freeman, Robert J. Shinavski, Ian Thomson
  • Turbine shroud assembly having ceramic matrix composite track segments with metallic attachment features
    Patent number: 10683770
    Abstract: A turbine shroud adapted for use in a gas turbine engine is disclosed in this paper. The turbine shroud includes a blade track segment comprising ceramic matrix composite materials and an attachment unit comprising metallic materials. The attachment unit is coupled to the blade track segment and is configured to interface with other metallic components in the gas turbine engine.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: June 16, 2020
    Assignees: Rolls-Royce North American Technologies Inc., Rolls-Royce Corporation
    Inventors: Ted J. Freeman, Bruce E. Varney
  • Turbine wheel assembly with ceramic matrix composite blades
    Patent number: 10655479
    Abstract: A wheel assembly for a gas turbine engine includes a disk, a blade-attachment system, and a plurality of blades. The disk is configured to rotate about an axis during operation of the gas turbine engine. The blade-attachment system is configured to couple the plurality of blades with the disk for rotation therewith.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: May 19, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Aaron D. Sippel, Ted J. Freeman
  • Turbine shroud ring for a gas turbine engine with radial retention features
    Patent number: 10655491
    Abstract: A gas turbine engine assembly includes a turbine shroud having a carrier segment and adjacent blade track segments. The carrier segment is arranged around a central axis of the gas turbine engine and the blade track segments are supported by the carrier segment. The turbine shroud segment further includes a retainer that is configured to locate the blade track segments radially relative to the central axis of the gas turbine engine.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: May 19, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Brian J. Shoemaker, Ted J. Freeman
  • Vane assemblies for gas turbine engines
    Patent number: 10655482
    Abstract: A vane ring for a gas turbine engine includes an outer end wall and a plurality of spars coupled to the outer end wall. The vane ring further includes an inner end wall positioned radially inward of the outer end wall and coupled to the spars. The outer and inner end walls cooperate to form a flowpath.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: May 19, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Ted J. Freeman, Jeffrey A. Walston, Jun Shi, Tara G. Schetzel
  • TURBINE WHEEL ASSEMBLY WITH CIRCUMFERENTIAL BLADE ATTACHMENT
    Publication number: 20200149422
    Abstract: A turbine wheel assembly adapted for use in a gas turbine engine includes turbine blades made from ceramic matric composite materials.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 14, 2020
    Inventors: Daniel K. Morrison, Ted J. Freeman
  • Case and liner arrangement for a combustor
    Patent number: 10648669
    Abstract: A combustor adapted for use in a gas turbine engine is disclosed. The combustor includes a metallic case forming a cavity and a ceramic liner arranged in the cavity of the metallic case. The ceramic liner defines a combustion chamber in which fuel is burned during operation of a gas turbine engine. The ceramic liner is located in the metallic case using a plurality of cross key connectors.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: May 12, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Bruce E. Varney, Ted J. Freeman, Adam L. Chamberlain
  • Turbine blade assembly with ceramic matrix composite components
    Patent number: 10641111
    Abstract: A wheel assembly for a gas turbine engine includes a disk and a plurality of blades. The disk is configured to rotate about an axis during operation of the gas turbine engine. The blades each include a circumferentially extending root received in the disk and an airfoil that extends radially away from the root.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: May 5, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Aaron D. Sippel, Ted J. Freeman, Loic Fabries
  • Platform with axial attachment for blade with circumferential attachment
    Patent number: 10633986
    Abstract: A wheel assembly for a gas turbine engine includes a disk, a plurality of blades, and a plurality of platforms. The disk is configured to rotate about an axis during operation of the gas turbine engine. The blades each include a circumferentially extending attachment feature that is received in the disk. The platforms each have an axially extending attachment feature that is received in the disk.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: April 28, 2020
    Assignees: Rolls-Roye Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Aaron D. Sippel, Ted J. Freeman, Loic Fabries
  • TURBINE WHEEL ASSEMBLY WITH RETAINER RINGS FOR CERAMIC MATRIX COMPOSITE MATERIAL BLADES
    Publication number: 20200116034
    Abstract: A wheel assembly for a gas turbine engine includes a disk, an annular coverplate, and an anti-rotation feature. The disk is adapted to receive blades and rotate about an axis during use of the gas turbine engine. The annular coverplate is coupled with the disk and adapted to block axial movement of the blades. The anti-rotation feature is coupled with the disk and the annular coverplate to resist rotation of the annular coverplate relative to the disk.
    Type: Application
    Filed: October 10, 2018
    Publication date: April 16, 2020
    Inventors: Ted J. Freeman, Aaron D. Sippel, James Sellhorn
  • Turbine blade with heat shield
    Patent number: 10612385
    Abstract: An airfoil assembly for use in a gas turbine engine is disclosed. The airfoil assembly includes a root, a tip shroud, and an airfoil located between the root and tip shroud. The airfoil includes a spar, a heat shield arranged around the spar, and a plurality of describe rigid load supports extending between the spar and the heat shield to transfer loads between the heat shield and the spar.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: April 7, 2020
    Assignees: Rolls-Royce Corporation, Rolls-Royce North American Technologies Inc.
    Inventors: Tara G. Schetzel, Ted J. Freeman, David J. Thomas