Patents by Inventor Thomas E. Clark

Thomas E. Clark 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).

  • CMC BOAS ARRANGEMENT
    Publication number: 20200362717
    Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal has a plurality of segments that extend circumferentially about an axis and mounted in the support structure via a carrier. At least one of the plurality of segments has a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first hook extends from the base portion near the first axial side and faces towards the second axial side. A second hook extends from the base portion near the second axial side and faces towards the first axial side. A slot is in the second hook configured to receive a pin.
    Type: Application
    Filed: May 15, 2019
    Publication date: November 19, 2020
    Inventors: Thomas E. Clark, William M. Barker, Daniel J. Whitney, Danielle Mahoney, William Wangard, III
  • CMC COMPONENT ARRANGEMENT AND METHOD OF MANUFACTURE
    Publication number: 20200363063
    Abstract: A method of manufacturing a component includes forming an inner wrap about a mandrel. The inner wrap has first and second walls joined by a base portion and an outer wall. A rod is arranged at each of the first and second walls. An outer wrap is formed about the inner wrap and the rods to form a body. Features are formed in the first and second walls.
    Type: Application
    Filed: May 15, 2019
    Publication date: November 19, 2020
    Inventors: Thomas E. Clark, Kathryn S. Read, William M. Barker
  • FEATHER SEAL FOR CMC BOAS
    Publication number: 20200362718
    Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal has a plurality of segments that extends circumferentially about an axis and is mounted in the support structure. At least two of the segments have a base portion that extends from a first circumferential side to a second circumferential side. A first protrusion extends from the first circumferential side and has a first radially extending slot. A second protrusion extends from a second circumferential side and has a second radially extending slot. A feather seal is arranged in the first radially extending slot and the second radially extending slot between at least two segments.
    Type: Application
    Filed: May 15, 2019
    Publication date: November 19, 2020
    Inventors: Thomas E. Clark, William M. Barker
  • CMC BOAS ARRANGEMENT
    Publication number: 20200347740
    Abstract: A blade outer air seal assembly includes a blade outer air seal that has a plurality of seal segments that extend circumferentially about an axis and mounted in a support structure via a carrier. Each of the seal segments has a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first and second hook extend along the base portion in an axial direction. The first and second hooks are engaged with the carrier. The carrier has a wall forward or aft of the first and second hooks and extends radially inward of the first and second hooks.
    Type: Application
    Filed: May 3, 2019
    Publication date: November 5, 2020
    Inventors: Thomas E. Clark, William M. Barker
  • Internal cooling circuit for blade outer air seal formed of laminate
    Patent number: 10822985
    Abstract: A method of forming a gas turbine engine component includes the steps of (a) forming an intermediate portion, (b) forming cooling circuit structure into at least an outer layer of the intermediate portion, (c) providing an outer layer over the formed cooling circuits to close off the cooling circuits, such that there are laminate on both a radially inner and a radially outer side of the cooling circuits, and (d) forming an inlet and an outlet to the cooling circuits through the outer layer. A gas turbine engine is also disclosed.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: November 3, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Thomas E. Clark, Winston Gregory Smiddy, Daniel J. Whitney, William M. Barker
  • BOAS assemblies with axial support pins
    Patent number: 10815810
    Abstract: A blade outer air seal assembly may comprise a blade outer air seal segment and a blade outer air seal support coupled to the blade outer air seal segment. The blade outer air seal segment may comprise a forward rail and an aft rail. The forward rail may be castellated. The blade outer air seal support may comprise an aft flange and a first forward flange. A pin may be disposed through the aft rail, the aft flange, the first forward flange, and the forward rail.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: October 27, 2020
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: William M. Barker, Daniel J. Whitney, Michael G. McCaffrey, Thomas E. Clark
  • Wear liner for blade outer air seal
    Patent number: 10808564
    Abstract: A blade outer air seal assembly includes a seal segment that has a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first wall is axially spaced from a second wall. The first and second walls extend from the base portion to an outer wall to define a circumferentially extending seal passage. A wear liner is within the seal passage.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: October 20, 2020
    Assignee: RAYTHEON TECHNOLOGIES CORPORATINO
    Inventors: William M. Barker, Thomas E. Clark
  • CMC BOAS ARRANGEMENT
    Publication number: 20200325789
    Abstract: A blade outer air seal includes a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first hook extends from the base portion and circumferentially spaced from a second hook. The first and second hooks extend along an axial length of the base portion. The first circumferential side has a protrusion and the second circumferential side has a groove.
    Type: Application
    Filed: April 10, 2019
    Publication date: October 15, 2020
    Inventors: Thomas E. Clark, William M. Barker
  • CMC BOAS TRANSVERSE HOOK ARRANGEMENT
    Publication number: 20200318491
    Abstract: A blade outer air seal includes a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first wall is axially spaced from a second wall. The first and second walls extend from the base portion. The second wall has at least one wall window configured to engage with a support structure. An outer wall radially spaced from the base portion between the first and second walls. The outer wall has at least one outer wall window configured to engage with the support structure.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 8, 2020
    Inventors: William M. Barker, Thomas E. Clark, Daniel J. Whitney
  • CMC BOAS intersegment seal
    Patent number: 10794206
    Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal extends circumferentially about an axis and is mounted in the support structure. A flow guide has a plurality of flow guide segments arranged between the blade outer air seal and the support structure. An intersegment seal is at a circumferential end of at least one of the flow guide segments.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: October 6, 2020
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Ken F. Blaney, Thomas E. Clark
  • INTERSEGMENT SEAL FOR BLADE OUTER AIR SEAL
    Publication number: 20200308973
    Abstract: A blade outer air seal assembly includes a blade outer air seal segment that has a base portion that extends from a first axial side to a second axial side and from a first circumferential side to a second circumferential side. An intersegment seal is arranged adjacent the first circumferential side. The intersegment seal has a first seal portion and a second seal portion connected by a rib.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 1, 2020
    Inventors: Thomas E. Clark, William M. Barker
  • Axially preloaded seal
    Patent number: 10787923
    Abstract: A seal for a gas turbine engine is disclosed. In various embodiments, the seal includes a first annular ring; a second annular ring; an annular brush having a first brush end disposed between the first annular ring and the second annular ring; and an axial ring seal having a first seal end configured for contact with the second annular ring.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: September 29, 2020
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Thomas E Clark, William M. Barker
  • CMC BLADE OUTER AIR SEAL
    Publication number: 20200300107
    Abstract: A blade outer air seal includes a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first wall is axially spaced from a second wall. The first and second walls extend from the base portion. An outer wall joins the first and second walls. The outer wall has a first edge and a second edge. Each of the edges have a first portion and a second portion arranged at a first angle relative to the first portion.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 24, 2020
    Inventors: William M. Barker, Thomas E. Clark, Craig R. McGarrah, Daniel J. Whitney
  • CARRIER FOR BLADE OUTER AIR SEAL
    Publication number: 20200300108
    Abstract: A blade outer air seal assembly includes a seal segment that has a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first wall is axially spaced from a second wall. The first and second walls extend from the base portion to an outer wall to define a circumferentially extending seal passage. A carrier has a platform. A portion of the platform is within the seal passage. A radially extending first hook protrudes from the platform and is configured to engage with a support structure.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 24, 2020
    Inventors: William M. Barker, Thomas E. Clark, Craig R. McGarrah, Daniel J. Whitney
  • SEALING SURFACE FOR CERAMIC MATRIX COMPOSITE BLADE OUTER AIR SEAL
    Publication number: 20200300106
    Abstract: A gas turbine engine includes a turbine section having a turbine rotor and at least one blade extending outwardly of the turbine rotor. The turbine rotor rotates about an axis of rotation. A blade outer air seal is positioned radially outward of the at least one blade. The blade outer air seal has an axially forward hook and an axially aft hook supported to static structure. An axial seal is attached to static structure forward of the forward hook, and has a sealing portion extending in an aft direction. A sealing surface member is positioned intermediate an aft end of the axial seal and a forward end of the forward hook to provide a sealing surface for sealing between the seal and the blade outer air seal.
    Type: Application
    Filed: February 20, 2020
    Publication date: September 24, 2020
    Inventors: William M. Barker, Thomas E. Clark
  • WEAR LINER FOR BLADE OUTER AIR SEAL
    Publication number: 20200300109
    Abstract: A blade outer air seal assembly includes a seal segment that has a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first wall is axially spaced from a second wall. The first and second walls extend from the base portion to an outer wall to define a circumferentially extending seal passage. A wear liner is within the seal passage.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 24, 2020
    Inventors: William M. Barker, Thomas E. Clark
  • CMC BOAS WITH INTERNAL SUPPORT STRUCTURE
    Publication number: 20200291805
    Abstract: A blade outer air seal includes a base portion that extends between a first circumferential side and a second circumferential side and from a first axial side to a second axial side. A first wall is axially spaced from a second wall. The first and second walls extend from the base portion to an outer wall. A rib extends from the base portion to the outer wall and spaced axially between the first and second walls.
    Type: Application
    Filed: March 13, 2019
    Publication date: September 17, 2020
    Inventors: Thomas E. Clark, Daniel J. Whitney, William M. Barker
  • BOAS CARRIER WITH DOVETAIL ATTACHMENTS
    Publication number: 20200291803
    Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal has a plurality of seal segments arranged circumferentially about an axis and mounted in the support structure by a carrier. The carrier has first and second hooks that extend radially outward from a platform along an axial length of the carrier. The first and second hooks are in engagement with the support structure.
    Type: Application
    Filed: March 13, 2019
    Publication date: September 17, 2020
    Inventors: Thomas E. Clark, William M. Barker
  • BOAS CARRIER WITH COOLING SUPPLY
    Publication number: 20200291804
    Abstract: A blade outer air seal assembly includes a support structure. A blade outer air seal has a plurality of seal segments arranged circumferentially about an axis and mounted in the support structure by a carrier. A coverplate is arranged between the carrier and at least one of the plurality of seal segments. The coverplate forms a first passage between the coverplate and the carrier and a second passage between the coverplate and the seal segment.
    Type: Application
    Filed: March 13, 2019
    Publication date: September 17, 2020
    Inventors: Thomas E. Clark, William M. Barker
  • Gas turbine engine component
    Patent number: 10753220
    Abstract: A blade outer air seal includes a base portion that extends between a leading edge and a trailing edge. A forward wall and an aft wall extend radially outward from the base portion to a radially outer portion. The radially outer portion is spaced from the base portion.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: August 25, 2020
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Thomas E. Clark, Daniel J. Whitney