Patents by Inventor Shawn M. McMahon

Shawn M. McMahon 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).

  • Publication number: 20200277867
    Abstract: A gas turbine engine includes a combustor. A turbine section is in fluid communication with the combustor. The turbine section includes a first vane stage aft of the combustor. A seal assembly is disposed between the combustor and the first vane stage. The seal assembly includes a first plurality of openings and the first vane stage includes a second plurality of openings communicating cooling airflow into a gap between an aft end of the combustor and the first vane stage. A first vane stage assembly and a method are also disclosed.
    Type: Application
    Filed: January 24, 2020
    Publication date: September 3, 2020
    Inventors: Steven D. Porter, Shawn M. McMahon, Kevin Zacchera, Noah Wadsworth, Christopher Whitfield, Sean D. Bradshaw, Dennis M. Moura
  • Patent number: 10738701
    Abstract: A gas turbine engine includes a combustor. A turbine section is in fluid communication with the combustor. The turbine section includes a first vane stage aft of the combustor. A seal assembly is disposed between the combustor and the first vane stage. The seal assembly includes a plurality of openings communicating cooling airflow into a gap between an aft end of the combustor and the first vane stage. A combustor assembly and method are also disclosed.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: August 11, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Steven D. Porter, Shawn M. McMahon, Kevin Zacchera, Noah Wadsworth, Christopher Whitfield, Sean D. Bradshaw, Dennis M. Moura
  • Publication number: 20200248566
    Abstract: A seal assembly includes a first feather seal with a first cooling hole extending through the first feather seal. The seal assembly also includes a second feather seal adjacent to the first feather seal. The second feather seal includes a second cooling hole extending through the second feather seal. The first cooling hole is positioned over at least a portion of the second cooling hole.
    Type: Application
    Filed: February 5, 2019
    Publication date: August 6, 2020
    Inventors: David Bitzko, Shawn M. McMahon, Alex J. Schneider
  • Publication number: 20200190995
    Abstract: A vane ring for a gas turbine engine includes a multiple of vanes that extend between the inner vane platform and the outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooing airflow through a respective one of a multiple of feed passages; a multiple of metering passages in the outer vane platform, each of the multiple of metering passages in communication with the respective one of the multiple of feed passages; and a multiple of secondary passages in the outer vane platform, each of the multiple of secondary passages in communication with the respective one of the multiple of metering passages.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 18, 2020
    Applicant: United Technologies Corporation
    Inventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher, Mohamed Hassan
  • Publication number: 20200190994
    Abstract: A vane ring for a gas turbine engine component includes a multiple of vanes that extend between an inner vane platform and an outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooing airflow through a feed passage located in the outer vane platform and an extension from the outer vane platform, the extension comprises a metering passage in communication with the feed passage.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 18, 2020
    Applicant: United Technologies Corporation
    Inventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher, Mohamed Hassan
  • Publication number: 20200190993
    Abstract: A vane ring for a gas turbine engine component includes a multiple of vanes that extend between an inner vane platform and an outer vane platform, each of the multiple of vanes contains an airfoil cooling circuit that receives cooing airflow through a feed passage located in the outer vane platform and an extension from the outer vane platform, the extension comprises a metering passage in communication with the feed passage.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 18, 2020
    Applicant: United Technologies Corporation
    Inventors: Christopher Perron, Justin M. Aniello, Shawn M. McMahon, Mohamed Hassan, Ricardo Trindade, Steven Bruce Gautschi, David Barger, Brett Alan Bartling, Nicholas J. Madonna, Robin Prenter, Ryan Lundgreen, Christopher Cosher
  • Patent number: 10648363
    Abstract: A vane includes a pair of airfoils having a plurality of film cooling holes that extend through an exterior surface of the airfoils, the plurality of film cooling holes including at least a first subset of film cooling holes, wherein the first subset of film cooling holes break through the exterior surface at geometric coordinates set forth herein. Each of the geometric coordinates is measured from a reference point on a leading edge rail of a platform of the vane.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: May 12, 2020
    Assignee: United Technologies Corporation
    Inventors: Shawn M. McMahon, Christopher Whitfield, Nicholas M. LoRicco, Steven Bruce Gautschi, Vincent E. Simms, Justin M. Aniello, Thomas Allwood, Richard M. Salzillo, Jeffery Scott Hembree, Sr.
  • Patent number: 10641102
    Abstract: A vane cluster for a gas turbine engine includes an outer diameter platform and an inner diameter platform. A plurality of vanes span from the outer diameter platform to the inner diameter platform. At least one inbound region is defined between a first vane of the plurality of vanes and a second vane of the plurality of vanes. The first vane includes a suction side facing the inbound region. Each of the vanes includes a leading edge core passage and a trailing edge core passage. A plurality of electrical discharge machined (EDM) holes are disposed within at least 0.500 inches (12.7 mm) of a leading edge of the first vane. Each of the EDM holes connect a leading edge core passage of the vane to an exterior surface of the vane.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: May 5, 2020
    Assignee: United Technologies Corporation
    Inventors: Shawn M. McMahon, Christopher Whitfield, Kristopher K. Anderson, Jason B. Moran, Brett Alan Bartling, Christopher Perron, Justin M. Aniello, Stephanie Tanner, Dominic J. Mongillo, Jr.
  • Patent number: 10584601
    Abstract: A gas turbine engine includes a combustor. A turbine section is in fluid communication with the combustor. The turbine section includes a first vane stage aft of the combustor. A seal assembly is disposed between the combustor and the first vane stage. The seal assembly includes a first plurality of openings and the first vane stage includes a second plurality of openings communicating cooling airflow into a gap between an aft end of the combustor and the first vane stage. A first vane stage assembly and a method are also disclosed.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: March 10, 2020
    Assignee: United Technologies Corporation
    Inventors: Steven D. Porter, Shawn M. McMahon, Kevin Zacchera, Noah Wadsworth, Christopher Whitfield, Sean D. Bradshaw, Dennis M. Moura
  • Patent number: 10533425
    Abstract: A vane assembly for a gas turbine engine includes an inner diameter platform, an outer diameter platform, and an airfoil shaped vane spanning from the inner diameter platform to the outer diameter platform. The airfoil shaped vane includes an internal cooling passage having a first inlet at the inner diameter platform and a second inlet at the outer diameter platform. An outer diameter platform cover is disposed radially outward of the outer diameter platform, relative to a radius of an arc defined by an arc of the outer diameter platform. The outer diameter platform includes at least one coolant cover inlet hole, the at least one coolant cover inlet hole being aligned with a corresponding second inlet.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: January 14, 2020
    Assignee: United Technologies Corporation
    Inventors: Shawn M. McMahon, Christopher Whitfield, Nicholas M. LoRicco, Steven Bruce Gautschi, Vincent E. Simms, Justin M. Aniello, Thomas Allwood, Richard M. Salzillo, Jeffery Scott Hembree, Sr.
  • Patent number: 10502079
    Abstract: A seal segment includes a flapper seal, a wire mesh acting as a hinge for the flapper seal, and a spring. The flapper seal has a first surface and a second surface. The wire mesh includes a first section connected to the first surface of the flapper seal and a second section connected to the first section. The spring includes a first end that is in contact with the first section of the wire mesh to apply pressure to the first surface of the flapper seal and a second end adjacent the second section of the wire mesh.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: December 10, 2019
    Assignee: United Technologies Corporation
    Inventors: Witt C. Guinn, Shawn M. McMahon
  • Patent number: 10436063
    Abstract: An assembly is provided for mounting a turbine engine to an airframe. The turbine engine extends along an axial centerline and includes an engine core mount and an engine exhaust mount. The assembly includes a thrust pin linkage connecting and extending axially between a core thrust pin and an exhaust thrust pin. The core thrust pin is adapted to connect to the engine core mount, and the exhaust thrust pin is adapted to connect to the engine exhaust mount. One of the core thrust pin, the exhaust thrust pin and the thrust pin linkage is also adapted to connect to the airframe.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: October 8, 2019
    Assignee: United Technologies Corporation
    Inventors: Shawn M. McMahon, Kirk A. Shute, Jeffrey R. Lavin, Russell P. Parrish
  • Publication number: 20190203602
    Abstract: A vane assembly for a gas turbine engine includes an inner diameter platform, an outer diameter platform, and an airfoil shaped vane spanning from the inner diameter platform to the outer diameter platform. The airfoil shaped vane includes an internal cooling passage having a first inlet at the inner diameter platform and a second inlet at the outer diameter platform. An outer diameter platform cover is disposed radially outward of the outer diameter platform, relative to a radius of an arc defined by an arc of the outer diameter platform. The outer diameter platform includes at least one coolant cover inlet hole, the at least one coolant cover inlet hole being aligned with a corresponding second inlet.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 4, 2019
    Inventors: Shawn M. McMahon, Christopher Whitfield, Nicholas M. LoRicco, Steven Bruce Gautschi, Vincent E. Simms, Justin M. Aniello, Thomas Allwood, Richard M. Salzillo, Jeffery Scott Hembree, SR.
  • Publication number: 20190203612
    Abstract: A vane includes a pair of airfoils having a plurality of film cooling holes that extend through an exterior surface of the airfoils, the plurality of film cooling holes including at least a first subset of film cooling holes, wherein the first subset of film cooling holes break through the exterior surface at geometric coordinates set forth herein. Each of the geometric coordinates is measured from a reference point on a leading edge rail of a platform of the vane.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 4, 2019
    Inventors: Shawn M. McMahon, Christopher Whitfield, Nicholas M. LoRicco, Steven Bruce Gautschi, Vincent E. Simms, Justin M. Aniello, Thomas Allwood, Richard M. Salzillo, Jeffery Scott Hembree, SR.
  • Publication number: 20190071979
    Abstract: A vane cluster for a gas turbine engine includes an outer diameter platform and an inner diameter platform. A plurality of vanes span from the outer diameter platform to the inner diameter platform. At least one inbound region is defined between a first vane of the plurality of vanes and a second vane of the plurality of vanes. The first vane includes a suction side facing the inbound region. Each of the vanes includes a leading edge core passage and a trailing edge core passage. A plurality of electrical discharge machined (EDM) holes are disposed within at least 0.500 inches (12.7 mm) of a leading edge of the first vane. Each of the EDM holes connect a leading edge core passage of the vane to an exterior surface of the vane.
    Type: Application
    Filed: October 23, 2017
    Publication date: March 7, 2019
    Inventors: Shawn M. McMahon, Christopher Whitfield, Kristopher K. Anderson, Jason B. Moran, Brett Alan Bartling, Christopher Perron, Justin M. Aniello, Stephanie Tanner, Dominic J. Mongillo, JR.
  • Publication number: 20190071978
    Abstract: A vane cluster for a gas turbine engine including an inner diameter platform and an outer diameter platform. A plurality of vanes span from the inner diameter platform to the outer diameter platform. An inbound region is defined between a first vane and a second vane of the plurality of vanes. A plenum is defined in the inner diameter platform at the inbound region. The plenum including a plurality of film cooling holes fluidly connecting the plenum to a primary flowpath. A feed hole connects the plenum to a core cooling cavity of one of the first vane and the second vane to the plenum.
    Type: Application
    Filed: October 23, 2017
    Publication date: March 7, 2019
    Inventors: Shawn M. McMahon, Christopher Whitfield, Kristopher K. Anderson, Jason B. Moran, Brett Alan Bartling, Christopher Perron, Justin M. Aniello, Stephanie Tanner
  • Publication number: 20190063323
    Abstract: A gas turbine engine includes a combustor. A turbine section is in fluid communication with the combustor. The turbine section includes a first vane stage aft of the combustor. A seal assembly is disposed between the combustor and the first vane stage. The seal assembly includes a plurality of openings communicating cooling airflow into a gap between an aft end of the combustor and the first vane stage. A combustor assembly and method are also disclosed.
    Type: Application
    Filed: August 30, 2017
    Publication date: February 28, 2019
    Inventors: Steven D. Porter, Shawn M. McMahon, Kevin Zacchera, Noah Wadsworth, Christopher Whitfield, Sean D. Bradshaw, Dennis M. Moura
  • Publication number: 20190063239
    Abstract: A gas turbine engine includes a combustor. A turbine section is in fluid communication with the combustor. The turbine section includes a first vane stage aft of the combustor. A seal assembly is disposed between the combustor and the first vane stage. The seal assembly includes a first plurality of openings and the first vane stage includes a second plurality of openings communicating cooling airflow into a gap between an aft end of the combustor and the first vane stage. A first vane stage assembly and a method are also disclosed.
    Type: Application
    Filed: August 30, 2017
    Publication date: February 28, 2019
    Inventors: Steven D. Porter, Shawn M. McMahon, Kevin Zacchera, Noah Wadsworth, Christopher Whitfield, Sean D. Bradshaw, Dennis M. Moura
  • Publication number: 20180045064
    Abstract: A seal segment includes a flapper seal, a wire mesh acting as a hinge for the flapper seal, and a spring. The flapper seal has a first surface and a second surface. The wire mesh includes a first section connected to the first surface of the flapper seal and a second section connected to the first section. The spring includes a first end that is in contact with the first section of the wire mesh to apply pressure to the first surface of the flapper seal and a second end adjacent the second section of the wire mesh.
    Type: Application
    Filed: October 27, 2017
    Publication date: February 15, 2018
    Inventors: Witt C. Guinn, Shawn M. McMahon
  • Patent number: 9828868
    Abstract: A seal segment includes a flapper seal, a wire mesh acting as a hinge for the flapper seal, and a spring. The flapper seal has a first surface and a second surface. The wire mesh includes a first section connected to the first surface of the flapper seal and a second section connected to the first section. The spring includes a first end that is in contact with the first section of the wire mesh to apply pressure to the first surface of the flapper seal and a second end adjacent the second section of the wire mesh.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: November 28, 2017
    Assignee: United Technologies Corporation
    Inventors: Witt C. Guinn, Shawn M. McMahon