Patents Assigned to United Technologies Corporation
  • Deep rolling tool and method
    Patent number: 10786883
    Abstract: An embodiment of a tool assembly includes a spring-loaded shaft assembly disposed along a first axis, a hub, and a roller disk. The hub is connected to a distal end of the spring-loaded shaft assembly. The hub has an upper hub portion adjacent to the distal end of the spring-loaded shaft assembly aligned with the first axis, and a lower hub portion extending along a second axis. The second axis forms an angle relative to the first axis. The roller disk is joined to the lower portion of the hub, and has a working surface about its perimeter. The roller disk is rotatable about the second axis parallel to the second portion of the hub. The working surface includes a profile along its width such that an effective radius of the roller disk varies along a width thereof.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: September 29, 2020
    Assignee: United Technologies Corporation
    Inventors: Justin R. Hawkes, Joseph C. Rampone, Andrzej Ernest Kuczek, Tahany Ibrahim El-Wardany, Randy P. Salva, Patrick Louis Clavette, Thomas J. Garosshen
  • Cooling system for rotating cutting tools
    Patent number: 10786853
    Abstract: A rotary tool includes a shank, cutting portion, coolant inlet, coolant outlet, and channel system. The cutting portion is connected to and extends from the shank. The cutting portion includes a cutting edge. The coolant inlet and the coolant outlet are disposed in the shank. The channel system is contained in the rotary tool and is a closed circulation loop system such that the coolant is contained within the channel system as the coolant is circulated within the rotary tool. The channel system includes a delivery path and a return path. The delivery path is fluidly connected to the coolant inlet and includes a shape corresponding to a shape of the cutting edge. The return path is fluidly connected to the coolant outlet and to the delivery path at a location in the cutting portion of the rotary tool.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: September 29, 2020
    Assignee: United Technologies Corporation
    Inventors: Zhigang Wang, Changsheng Guo
  • CMC airfoil with monolithic ceramic core
    Patent number: 10787914
    Abstract: An airfoil includes a core having a first surface, a skin having a second surface disposed over at least a portion of the first surface of the core, and at least one of a transient liquid phase (TLP) bond and a partial transient liquid phase (PTLP) bond. The bond(s) are disposed between the first surface and the second surface, joining the skin to the core.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: September 29, 2020
    Assignee: United Technologies Corporation
    Inventors: Michael G. Abbott, Michael G. McCaffrey, Grant O. Cook, III
  • SYSTEMS AND METHODS FOR ADDITIVELY MANUFACTURED CERAMIC COMPOSITES
    Publication number: 20200299200
    Abstract: A turbine engine component may comprise a Ceramic Matrix Composite (CMC) structure including a plurality of nominally dense plies, wherein each of the plurality of the nominally dense plies are bonded by at least one of a Field Assisted Sintering Technique (FAST), a Spark Plasma Sintering (SPS), or a localized heating at a bonding interface. The turbine engine component may include an airfoil extending between a first platform and a second platform, wherein the airfoil, the first platform, and the second platform define the CMC structure.
    Type: Application
    Filed: March 21, 2019
    Publication date: September 24, 2020
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Paul Sheedy, John A. Sharon, Wayde R. Schmidt, Neal Magdefrau
  • SENSOR ARRANGEMENT FOR MEASURING GAS TURBINE COMBUSTOR TEMPERATURES
    Publication number: 20200300468
    Abstract: A sensor system for use in a gas turbine engine. The sensor system includes a reflective surface configured to reflect optical features corresponding to combustion in a combustion chamber that exit the combustion chamber via at least one opening therein. The sensor system further includes an optical sensor configured to receive the reflected optical features from the reflective surface.
    Type: Application
    Filed: September 21, 2018
    Publication date: September 24, 2020
    Applicant: United Technologies Corporation
    Inventor: Stephen K. Kramer
  • Blade outer air seal cooling scheme
    Patent number: 10781716
    Abstract: A cooling scheme for a blade outer air seal includes a perimeter cooling arrangement configured to convectively cool a perimeter of the blade outer air seal, and a core cooling arrangement configured to cool a central portion of the blade outer air seal through impingement cooling and to provide film cooling to an inner diameter face of the blade outer air seal.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: September 22, 2020
    Assignee: United Technologies Corporation
    Inventors: Susan M. Tholen, Dominic J. Mongillo, Paul M. Lutjen, James N. Knapp, Virginia L. Ross, Jonathan J. Earl, Eric A. Hudson
  • Additively manufactured health monitoring features
    Patent number: 10782245
    Abstract: A health monitoring system for monitoring a lifecycle of an additively manufactured component having a microcrystalline structure that can be subjected to a cyclic operational stress is disclosed. The health monitoring system includes a plurality of additively manufactured health monitoring coupons disposed on the component in a representative position that is subjected to the cyclic operational stress, with the health monitoring coupons configured to be individually removable from the health monitoring system by precision machining.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: September 22, 2020
    Assignee: United Technologies Corporation
    Inventors: Lawrence Binek, Aaron T. Nardi
  • Seal plate lubricant slinger
    Patent number: 10781718
    Abstract: A seal plate is disclosed herein that is annular in shape and configured to rotate about a centerline. The seal plate includes a seal body having a first axial end forming a sealing surface and a second axial end opposite the first axial end, a slinger ring axially rearward of the seal body and having a plurality of radially extending tabs separated by a plurality of slots, and a groove between the seal body and the slinger ring. The tabs on the slinger ring are configured to direct lubricant at least partially radially inward into the groove and at least partially in a direction of rotation of the seal plate to cool the seal body.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: September 22, 2020
    Assignee: United Technologies Corporation
    Inventors: Christopher T. Anglin, Camron Najafi
  • Integral half vane, ringcase, and id shroud
    Patent number: 10781707
    Abstract: A vane stage includes a ringcase extending circumferentially about a center axis of the vane stage. The ringcase extends completely about the center axis to form a first ring. An inner shroud extends circumferentially about the center axis of the vane stage. The inner shroud extends completely about the center axis to form a second ring positioned radially within the ringcase relative the center axis. A plurality of stationary half vanes extend radially between the ringcase and the inner shroud, and are circumferentially spaced about the center axis. The plurality of stationary half vanes are integral with the ringcase and the inner shroud.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: September 22, 2020
    Assignee: United Technologies Corporation
    Inventors: David M. Dyer, Zachary J. Jeske, Michael Ronan, Matthew E. Bintz, John P. Tirone, Scott Gammons, Michael C. Firnhaber, Mark E. Simonds
  • SUPPORT STRAPS AND METHOD OF ASSEMBLY FOR GAS TURBINE ENGINE
    Publication number: 20200291821
    Abstract: A method of assembling a portion of a gas turbine engine, includes assembling a plurality of static structure rings; attaching a plurality of support straps to an outer diameter of the plurality of static structure rings to form a cartridge; inserting the cartridge at least partially into an outer case assembly along an engine axis.
    Type: Application
    Filed: February 3, 2020
    Publication date: September 17, 2020
    Applicant: United Technologies Corporation
    Inventors: Michael G. McCaffrey, Scott D. Virkler
  • EXTENDED HOUSING SLEEVE WITH STIFFENING RING FEATURE
    Publication number: 20200292003
    Abstract: A sleeve for a bearing damper comprising a cylinder shaped body having a forward end opposite an aft end, the body including an interior surface opposite an exterior surface, the body configured insertable between a bearing proximate the interior surface and a housing proximate the exterior surface; a ring portion proximate the forward end, the ring portion having an outer diameter larger than a diameter of the body; and an extension portion configured to provide an active damper surface extending beyond the housing.
    Type: Application
    Filed: March 14, 2019
    Publication date: September 17, 2020
    Applicant: United Technologies Corporation
    Inventors: Aneil S. Hegde, Kaleb Von Berg, Daniel Rosen, Ramin M. Rafatpanah, Todd A. Davis
  • BOAS AND METHODS OF MAKING A BOAS HAVING FATIGUE RESISTANT COOLING INLETS
    Publication number: 20200291806
    Abstract: A blade outer air seal segment may comprise a radially outward surface and a radially inward surface oriented away from the radially outward surface. A cooling channel may be located between the radially outward surface and the radially inward surface. An inlet orifice may be fluidly coupled to the cooling channel. A stress-relief orifice may be between the inlet orifice and the cooling channel.
    Type: Application
    Filed: March 15, 2019
    Publication date: September 17, 2020
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Brian C. McLaughlin, Terence P. Tyler
  • REAL-TIME IDENTIFICATION OF BURR SIZE AND LOCATION FOR ROBOTIC DEBURRING PROCESS
    Publication number: 20200290207
    Abstract: A process of deburring a workpiece comprising installing a workpiece onto a machine table proximate a robot, the workpiece having a surface, the robot having at least one force sensor and a spindle load sensor associated with a spindle coupled to a cutting tool, the robot having at least one joint configured to be actuated by a joint actuator; the robot being coupled to a controller; generating joint encoder signals with the controller, the joint encoder signals configured to direct the joint actuator; sensing contact forces between the cutting tool of the robot and the surface of the workpiece; determining a deburring path of the cutting tool to deburr the workpiece; and controlling the robotic deburring process by use of the joint encoder signals, a physics based model of burr size and material removal, a nominal trajectory and an actual trajectory of the cutting tool center point position.
    Type: Application
    Filed: March 11, 2019
    Publication date: September 17, 2020
    Applicant: United Technologies Corporation
    Inventors: Zhigang Wang, Michael A. Klecka, Abhijit Chakraborty, Jeffrey Michael Mendoza
  • ENERGY DISSIPATING DAMPER
    Publication number: 20200291794
    Abstract: An energy dissipating damper includes a first end portion configured to be coupled to a first structure, a second end portion, opposite the first end portion, configured to contact a second structure, and a body portion extending from the first end portion to the second end portion. The body portion includes a plurality leaves. The plurality of leaves may be fixed together at the first end portion and may be separable from each other at the second end portion. In response to the energy dissipating damper being in a loaded state, the plurality of leaves may be in direct contact with each at the second end portion. The energy dissipating damper may further include a contact element coupled to the second end portion, and the contact element may comprise an abradable material.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 17, 2020
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Randall Lee Greenberg, Gregory Harrell, Leong Ma, Peter Gentile, Connor J. McGuire
  • VARIABLE REACTION FREE WHEEL FOR A TURBINE SECTION OF A GAS TURBINE ENGINE
    Publication number: 20200291784
    Abstract: A turbine section for a gas turbine engine includes a variable reaction free wheel downstream of the first static vane structure and a turbine rotor downstream of the variable reaction free wheel. A method of generating thrust for a gas turbine engine, includes rotating a variable reaction free wheel located downstream of a combustor and upstream of a turbine rotor to augment a swirl of a core flow combustion gases.
    Type: Application
    Filed: March 12, 2019
    Publication date: September 17, 2020
    Applicant: United Technologies Corporation
    Inventors: Daniel Bernard Kupratis, Jacob Shubinski
  • LASER INDUCED, FINE GRAINED, GAMMA PHASE SURFACE FOR NiCoCrAlY COATINGS PRIOR TO CERAMIC COAT
    Publication number: 20200291529
    Abstract: A process for forming a thermal barrier coating on a part comprising depositing an aluminum containing bond coat on the part, the bond coat comprising a surface; cleaning the surface to remove oxides and debris from the surface of the bond coat; forming a gamma phase layer proximate the surface of the bond coat; forming an aluminum oxide layer on the surface of the bond coat; and depositing a ceramic topcoat on the aluminum oxide layer on the bond coat.
    Type: Application
    Filed: March 14, 2019
    Publication date: September 17, 2020
    Applicant: United Technologies Corporation
    Inventors: Henry H. Thayer, Dmitri Novikov, David Ulrich Furrer
  • COVER SECURED BY CAPTIVE FASTENER
    Publication number: 20200284166
    Abstract: A cover assembly is disclosed. In various embodiments, the cover assembly includes a cover configured to close a passageway through a casing, the cover having a first keyhole slot; and a first captive fastener configured to extend through the first keyhole slot and into the casing.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 10, 2020
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Rebecca R. Dunnigan, Randall Lee Greenberg
  • SYSTEMS AND METHODS FOR IMPROVING START UP WEAR PERFORMANCE OF CARBON SEALS
    Publication number: 20200284155
    Abstract: An improved face seal may comprise a seal housing having an annular extrusion, and a primary seal coupled to the seal housing. The primary seal comprises a sealing face and a base opposite the sealing face, wherein the primary seal has an annular structure coaxial with the annular extrusion with the base proximate a first end of the seal housing. The sealing face comprises a disrupted surface.
    Type: Application
    Filed: March 5, 2019
    Publication date: September 10, 2020
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Santosh Ranganath, Andrew C Kilguss, William P Ogden, James P. Hammond
  • SLIDER SEAL
    Publication number: 20200284351
    Abstract: A seal assembly is disclosed. In various embodiments, the seal assembly includes a housing; a seal member configured for disposition within the housing, the seal member comprising a tube section defining an inner tube surface configured to receive an interface component and having a length and an inner tube surface radius that is substantially constant along the length; and a retaining ring configured to retain the seal member within the housing and to confine translational movement of the seal member with respect to the housing to two degrees of freedom. In various embodiments, the seal assembly is configured to provide three degrees of translational movement and three degrees of rotational movement of the interface component with respect to the housing.
    Type: Application
    Filed: March 4, 2019
    Publication date: September 10, 2020
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventor: Michael R. Thomas
  • MATERIAL DEPOSITION TO FORM A SHEET STRUCTURE
    Publication number: 20200283910
    Abstract: A method for forming a sheet structure includes providing a tool having a formation surface corresponding to a shape of the sheet structure. The method also includes depositing at least one layer of material on the formation surface using a cold-spray deposition technique. The method also includes removing the at least one layer of material from the formation surface to create the sheet structure.
    Type: Application
    Filed: January 29, 2020
    Publication date: September 10, 2020
    Applicant: United Technologies Corporation
    Inventors: Gary D. Roberge, William J. Brindley