Patents Assigned to United Technologies
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Stator
    Patent number: 10774832
    Abstract: A stator assembly for a progressing cavity pump is provided. The stator assembly includes a number of stator laminates having a planar body defining a primary, inner passage and a number of outer passages, the outer passages disposed effectively adjacent the inner passage whereby the inner passage is at least partially defined by a band, wherein the band is outwardly flexible. The stator laminates are coupled to each other in a stack wherein the stator laminate body inner passages define a helical passage. The helical passage is a flexible helical passage.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: September 15, 2020
    Assignee: Penn United Technologies, Inc.
    Inventors: Jesse Benedict Rothschild, Dwight Patrick Jones, Mark Phillip Noah
  • 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
  • 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
  • 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
  • Carbon face seal seat thin wall design
    Patent number: 10767510
    Abstract: A seal seat includes an annular body and an extension. The annular body is disposed about a centerline axis. The extension is connected to and extends radially outward from the annular body. The extension includes first, second, and third portions. The first portion is connected to the annular body and is defined by axially opposed upstream and downstream wall faces. The first portion includes a fin connected to the upstream wall face. The second portion is connected to the first portion and extends substantially parallel to the annular body. The third portion is connected to the second portion and extends substantially parallel to the second portion.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: September 8, 2020
    Assignee: United Technologies Corporation
    Inventors: Armando Amador, Todd A. Davis, Jorn Axel Glahn
  • FAN BLADE WITH COMPOSITE COVER
    Publication number: 20200277964
    Abstract: A fan blade includes a metallic body, a first composite cover, and a second composite cover. The metallic body may have a first side, a second side, a plurality of first retention slots, and a plurality of second retention slots, in accordance with various embodiments. The first and second retention slots may extend from the first side to the second side of the metallic body. The first composite cover may be coupled to the first side of the metallic body and may include a plurality of first fingers that extend through the first retention slots and are coupled to the second side of the metallic body. The second composite cover may be coupled to the second side of the metallic body and may include a plurality of second fingers that extend through the second retention slots and are coupled to the first side of the metallic body.
    Type: Application
    Filed: January 9, 2020
    Publication date: September 3, 2020
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventor: Michael A. Weisse
  • BLADE/VANE COOLING PASSAGES
    Publication number: 20200277858
    Abstract: An airfoil for use with a gas turbine engine includes a pressure side wall and a suction side wall. The suction side wall is configured to be exposed to less pressure than the pressure side wall during operation of the gas turbine engine. The blade also includes a plurality of ribs forming a plurality of trapezoidal shaped cavities to receive a cooling airflow. The plurality of ribs being shaped in a way to allow for thermal growth of the airfoil, while minimizing stress in the airfoil.
    Type: Application
    Filed: February 28, 2019
    Publication date: September 3, 2020
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Brandon W. Spangler, David R. Pack
  • Fan blade masking/coating check inspection tool
    Patent number: 10760889
    Abstract: A masking and coating check inspection tool for inspecting a masking and/or coating edge on a fan blade includes an elongate planar base having distal first and second ends, bottom surface, top face, length, width, and thickness. The length is greater than the width. A pillar perpendicular to the elongate planar base and projecting upward from the top face between the first and second ends has a first end datum, and a first masking check tolerance band disposed on the first end, configured to provide a pass/fail indication of the first masking edge with respect to the first end datum. The pillar can have second end datum and second masking check tolerance band on the second end configured to provide a pass/fail indication of a second masking edge with respect to the second end datum. The inspection tool can be used on root and platform masking/coating edges.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 1, 2020
    Assignee: United Technologies Corporation
    Inventor: James R. Sweeney
  • ACTIVE OIL DEBRIS MONITOR PARTICLE DETECTION AND MONITORING SYSTEM
    Publication number: 20200264157
    Abstract: A method for determining the presence of a particle while actively calculating and monitoring oil debris monitor phase angle in an oil system including collecting I and Q channel data from an oil debris monitor sensor, performing a fast Fourier transform on the I and Q channel data, extracting a shape from the fast Fourier transform, and determining whether a particle is present from the shape.
    Type: Application
    Filed: February 18, 2019
    Publication date: August 20, 2020
    Applicant: United Technologies Corporation
    Inventors: Edward Thomas Rocco, Sheridon Everette Haye