Patents by Inventor Frank J. Cunha

Frank J. Cunha 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).

  • Patent number: 11320146
    Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall including a shell and a heat shield. The combustor wall defines first and second cavities between the shell and the heat shield. The heat shield defines a first outlet and an elongated second outlet. The first outlet is fluidly coupled with the first cavity. The second outlet is fluidly coupled with the second cavity. The combustor wall defines one of the cavities with a tapered geometry.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: May 3, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Patent number: 11226098
    Abstract: An assembly for a turbine engine is provided. This turbine engine assembly includes a shell and a heat shield with a cooling cavity between the shell and the heat shield. The heat shield defines a plurality of cooling apertures and an indentation in a side of the heat shield opposite the cooling cavity. The cooling apertures are fluidly coupled with the cooling cavity. The indentation is configured such that cooling air, directed from a first of the cooling apertures, at least partially circulates against the side of the heat shield.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: January 18, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Patent number: 11193672
    Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall. The combustor wall includes a shell, a heat shield and an annular body. The annular body extends through the combustor wall and at least partially defines a quench aperture along a centerline through the combustor wall. The shell defines a first cooling aperture radially outwards of the annular body relative to the centerline and is configured to direct air to impinge against a portion of the annular body between the heat shield and the shell.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: December 7, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Patent number: 11112115
    Abstract: A wall assembly for use in a combustor of a gas turbine engine includes a support shell with a first inner periphery along an axis and a liner panel with a second inner periphery along the axis. The second inner periphery is smaller than the first inner periphery. Another wall assembly for use in a combustor of a gas turbine engine includes an annular grommet mounted between the support shell and the liner panel. The annular grommet defines a contoured inner wall.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: September 7, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Stanislav Kostka, Jr., Randal G. McKinney, James B. Hoke, Timothy S. Snyder, Frank J. Cunha
  • Patent number: 10968829
    Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall. The combustor wall includes a shell, a heat shield and an annular body. The body extends laterally between an inner surface and an outer surface. The inner surface defines an igniter aperture in the combustor wall. The outer surface is vertically between the heat shield and the shell. The shell defines a first cooling aperture through which air is directed to impinge against the outer surface.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: April 6, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Patent number: 10935244
    Abstract: A combustor wall is provided for a turbine engine. The combustor wall includes a combustor shell and a combustor heat shield that is attached to the shell. The heat shield includes a first panel and a second panel that sealingly engages the first panel in an overlap joint. A cooling cavity extends between the shell and the heat shield and fluidly couples a plurality of apertures in the shell with a plurality of apertures in the heat shield.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: March 2, 2021
    Assignee: Raytheon Technologies Corporation
    Inventors: Stanislav Kostka, Frank J. Cunha
  • Patent number: 10794595
    Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall with a shell and a heat shield. The combustor wall defines a quench aperture therethrough. The combustor wall also defines a cavity between the shell and the heat shield. The shell defines a first aperture through which air is directed into the cavity. The heat shield includes a rail that at least partially defines a second aperture configured to direct at least some of the air within the cavity out of the combustor wall and towards the quench aperture.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: October 6, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Randal G. McKinney, Frank J. Cunha, Stanislav Kostka, Jr.
  • Patent number: 10753608
    Abstract: A structure is provided for a turbine engine. The structure includes a shell with a first surface, and a heat shield with a textured second surface and a textured third surface. The texture of a portion of the second surface is different than the texture of a portion of the third surface. The first surface and the second surface define a first cooling cavity between the shell and the heat shield. The first surface and the third surface define a second cooling cavity between the shell and the heat shield.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: August 25, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Publication number: 20200240638
    Abstract: An assembly for a turbine engine is provided. This turbine engine assembly includes a shell and a heat shield with a cooling cavity between the shell and the heat shield. The heat shield defines a plurality of cooling apertures and an indentation in a side of the heat shield opposite the cooling cavity. The cooling apertures are fluidly coupled with the cooling cavity. The indentation is configured such that cooling air, directed from a first of the cooling apertures, at least partially circulates against the side of the heat shield.
    Type: Application
    Filed: March 23, 2020
    Publication date: July 30, 2020
    Inventors: Frank J. Cunha, Stanislav Kostka, JR.
  • Patent number: 10697636
    Abstract: An assembly is provided for a turbine engine. A combustor wall of the turbine engine assembly includes a shell and a heat shield. The combustor wall defines a quench aperture through the shell and the heat shield. The heat shield defines an effusion outlet a distance from the quench aperture equal to between about twenty-five times and about seventy-five times a width of the effusion outlet.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: June 30, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr., Randal G. McKinney
  • Patent number: 10670268
    Abstract: A liner panel for a combustor of a gas turbine engine includes a multiple of heat transfer augmentors which extend from a cold side thereof. At least one of the multiple of heat transfer augmentors includes a first heat transfer augmentation feature with a second heat transfer augmentation feature stacked thereon.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: June 2, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka
  • Patent number: 10670272
    Abstract: A fuel injector guide is provided for a turbine engine combustor. The fuel injector guide includes a tubular base, an annular flange, a plurality of ribs and a flow turbulator. The base extends along an axis between first and second ends. The flange extends radially out from the base at the second end. The ribs are disposed around the base and extend axially out from the flange towards the first end. The flow turbulator is disposed between an adjacent pair of the ribs.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: June 2, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka
  • Patent number: 10655855
    Abstract: A wall assembly for a combustor of a gas turbine engine is provided. The wall assembly includes a support shell with a contoured region to define at least one convergent passage between the support shell and a multiple of liner panels. A method of cooling a wall assembly for a combustor of a gas turbine engine is also provided. This method includes a step of directing cooling air into at least one convergent passage between the support shell and a multiple of liner panels.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 19, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: James P. Bangerter, Kevin J. Low, Russell B. Hanson, Nurhak Erbas-Sen, Frank J. Cunha
  • Publication number: 20200141581
    Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall including a first layer vertically connected with a second layer. A first portion of the first layer overlaps and is vertically spaced from the second layer by a cavity. A second portion of the first layer is substantially vertically inline with an adjacent portion of the second layer. The second portion of the first layer at least partially forms a quench aperture vertically through the combustor wall.
    Type: Application
    Filed: September 12, 2019
    Publication date: May 7, 2020
    Inventors: Frank J. Cunha, Stanislav Kostka
  • Publication number: 20200109857
    Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall including a shell and a heat shield. The combustor wall defines first and second cavities between the shell and the heat shield. The heat shield defines a first outlet and an elongated second outlet. The first outlet is fluidly coupled with the first cavity. The second outlet is fluidly coupled with the second cavity. The combustor wall defines one of the cavities with a tapered geometry.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 9, 2020
    Inventors: Frank J. Cunha, Stanislav Kostka, JR.
  • Patent number: 10612781
    Abstract: An assembly for a turbine engine is provided that includes a combustor wall, which includes an aperture body between a shell and a heat shield. The aperture body at least partially forms a cavity and an aperture that extends through the combustor wall. An inlet passage extends in the combustor wall to the cavity. An outlet passage extends in the combustor wall from the cavity to the aperture.
    Type: Grant
    Filed: November 6, 2015
    Date of Patent: April 7, 2020
    Assignee: United Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka
  • Patent number: 10598379
    Abstract: An assembly for a turbine engine is provided. This turbine engine assembly includes a shell and a heat shield with a cooling cavity between the shell and the heat shield. The heat shield defines a plurality of cooling apertures and an indentation in a side of the heat shield opposite the cooling cavity. The cooling apertures are fluidly coupled with the cooling cavity. The indentation is configured such that cooling air, directed from a first of the cooling apertures, at least partially circulates against the side of the heat shield.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: March 24, 2020
    Assignee: United Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Patent number: 10533745
    Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall including a shell and a heat shield. The combustor wall defines first and second cavities between the shell and the heat shield. The heat shield defines a first outlet and an elongated second outlet. The first outlet is fluidly coupled with the first cavity. The second outlet is fluidly coupled with the second cavity. The combustor wall defines one of the cavities with a tapered geometry.
    Type: Grant
    Filed: February 3, 2015
    Date of Patent: January 14, 2020
    Assignee: United Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Patent number: 10502422
    Abstract: An assembly is provided for a turbine engine. A combustor wall of the turbine engine assembly includes a shell, a heat shield and an annular body engaged with the shell and the heat shield. The annular body extends through the combustor wall. The annular body at least partially defines a quench aperture along a centerline through the combustor wall. The annular body also at least partially defines a cooling aperture in fluid communication with the quench aperture. At least a portion of the cooling aperture extends radially outward from the quench aperture relative to the centerline.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: December 10, 2019
    Assignee: United Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Publication number: 20190360694
    Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a combustor wall. The combustor wall includes a shell, a heat shield and an annular body. The annular body extends through the combustor wall and at least partially defines a quench aperture along a centerline through the combustor wall. The shell defines a first cooling aperture radially outwards of the annular body relative to the centerline and is configured to direct air to impinge against a portion of the annular body between the heat shield and the shell.
    Type: Application
    Filed: August 12, 2019
    Publication date: November 28, 2019
    Inventors: Frank J. Cunha, Stanislav Kostka