Patents by Inventor Christopher W. Strock

Christopher W. Strock 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).

  • Turbine blade tip treatment for industrial gas turbines
    Patent number: 9926794
    Abstract: A method of preventing transfer of metal of a gas turbine rotor blade having a metal tip to a blade outer air seal coating on a gas turbine case includes forming a coating on the metal tip. The coating comprises a bond coat layer on the metal tip and a ceramic filled metallic layer having a ceramic component in a matrix of a metal MCr, MCrAl, MCrAlY or a refractory modified MCrAlY where M is nickel, cobalt, iron or mixtures thereof.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: March 27, 2018
    Assignee: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Fire Containment Coating System for Titanium
    Publication number: 20180066348
    Abstract: A blade outer air seal (BOAS) or segment thereof comprises: a metallic substrate having an inner diameter (ID) surface; and a coating system along the inner diameter surface comprises: a bondcoat atop the substrate; and a ceramic barrier coat atop the bondcoat. The bondcoat has a combined content of one or more of molybdenum, chromium, and vanadium of at least 50 percent by weight.
    Type: Application
    Filed: November 3, 2017
    Publication date: March 8, 2018
    Applicant: United Technologies Corporation
    Inventors: Christopher W. Strock, Matthew E. Bintz
  • Abradable seal and method of producing a seal
    Patent number: 9896756
    Abstract: An air seal for use in a gas turbine engine. The seal includes a thermally sprayed abradable seal layer. The abradable material is composed of aluminum powder forming a metal matrix, and co-deposited methyl methacrylate particles and/or hexagonal boron nitride particles embedded as filler in the metal matrix.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: February 20, 2018
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Charles R. Beaudion, Christopher W. Strock
  • Aluminum Fan Blade Tip Prepared for Thermal Spray Deposition of Abrasive by Laser Ablation
    Publication number: 20180044771
    Abstract: A process of preparing a blade tip for abrasive coating comprising: forming a hydroxide layer on a surface of the blade tip; ablating the hydroxide layer from the surface with a laser; and roughening the surface with the laser after the hydroxide layer ablation.
    Type: Application
    Filed: August 12, 2016
    Publication date: February 15, 2018
    Applicant: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Abradable Material Feedstock and Methods and Apparatus for Manufacture
    Publication number: 20180029120
    Abstract: A method for manufacturing a powder comprises vaporizing a solvent; passing a metallic powder and a polymer powder through the solvent vapor to mix the metallic powder with the polymer powder; and removing the solvent.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 1, 2018
    Applicant: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Outer Airseal Abradable Rub Strip Manufacture Methods and Apparatus
    Publication number: 20180030586
    Abstract: A method for applying an abradable coating, comprises: generating a plasma; introducing a matrix-forming first particulate to the plasma at a first location; introducing a second particulate of an organic particulate and/or salt particulate to the plasma at a second location downstream from the first location to mix with the matrix-forming first particulate, the second particulate having a characteristic size in the range 6.0 micrometers to 45.0 micrometers; and directing the first particulate and the second particulate to a target to form a coating on the target.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 1, 2018
    Applicant: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Abradable Material
    Publication number: 20180030993
    Abstract: A blade outer airseal comprising a body having: an inner diameter (ID) surface; an outer diameter (OD) surface; a leading end; a trailing end; a metallic substrate; and a coating system atop the substrate along at least a portion of the inner diameter surface. At least over a first area of the inner diameter surface, the coating system comprises an abradable layer comprising a metallic matrix and a filler. The filler forms at least 20% by volume of the abradable layer with agglomerates or aggregates of oxide particles, the oxide particles having a D50 size ?200 nm.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 1, 2018
    Applicant: United Technologies Corporation
    Inventor: Christopher W. Strock
  • AIR SEAL ABRASIVE COATING AND METHOD
    Publication number: 20170362952
    Abstract: An embodiment of a gas turbine engine component includes an abrasive coating disposed on at least a portion of a sealing region. The abrasive coating includes an inner abrasive region disposed outward of the sealing region in a coating thickness direction, and an outer abrasive region disposed outward of the inner abrasive region in the coating thickness direction. The inner abrasive region includes abrasive particles retained in an inner matrix, and the outer abrasive region includes abrasive particles retained in an outer matrix. At least one of the inner matrix and the outer matrix is modified with a first indicator material. At least one aspect of the first indicator material corresponds to a thickness range of the abrasive coating being within the inner thickness region or the outer thickness region.
    Type: Application
    Filed: June 7, 2017
    Publication date: December 21, 2017
    Inventors: Pantcho Stoyanov, Christopher W. Strock, Agnieszka M. Wusatowska-Sarnek
  • Fire containment coating system for titanium
    Patent number: 9834835
    Abstract: A coated substrate comprises: a metallic substrate; a bondcoat atop the substrate; and a ceramic barrier coat atop the bondcoat. The bondcoat has a combined content of one or more of molybdenum, chromium, and vanadium of at least 50 percent by weight.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: December 5, 2017
    Assignee: United Technologies Corporation
    Inventors: Christopher W. Strock, Matthew E. Bintz
  • Abrasive Blade Tips With Additive Layer Resistant to Clogging
    Publication number: 20170314570
    Abstract: An abrasive tip comprises an additive layer having an additive; the additive is configured to prevent adhesion of an organic component from an abradable seal onto an abrasive blade tip.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 2, 2017
    Inventors: Christopher W. STROCK, James O. HANSEN
  • Outer Airseal Abradable Rub Strip
    Publication number: 20170314410
    Abstract: A blade outer airseal has a body comprising: an inner diameter (ID) surface; an outer diameter (OD) surface; a leading end; and a trailing end. The airseal body has a metallic substrate and a coating system atop the substrate along at least a portion of the inner diameter surface. At least over a first area of the inner diameter surface, the coating system comprises an abradable layer comprising a metallic matrix and a solid lubricant; and the metallic matrix comprises, by weight, ?35% nickel, 12.0-20.0% cobalt, 5.0-15.0% aluminum, and 5.0-15.0% chromium.
    Type: Application
    Filed: April 28, 2016
    Publication date: November 2, 2017
    Applicant: United Technologies Corporation
    Inventors: Xuan Liu, Christopher W. Strock, Russell A. Beers
  • Organic Matrix Abradable Coating Resistant to Clogging of Abrasive Blade Tips
    Publication number: 20170314566
    Abstract: An abradable seal comprises an organic matrix composite comprising an additive and an organic component, the additive is configured to prevent adhesion of the organic component onto an abrasive blade tip.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 2, 2017
    Inventor: CHRISTOPHER W. STROCK
  • Abrasive Blade Tips With Additive Resistant to Clogging By Organic Matrix Abradable
    Publication number: 20170314567
    Abstract: An abrasive tip comprises an additive, the additive is configured to prevent adhesion of an organic component from an abradable seal onto an abrasive blade tip.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 2, 2017
    Inventors: JAMES O. HANSEN, CHRISTOPHER W. STROCK
  • Abrasive Blade Tips With Additive Resistant To Clogging By Organic Matrix Abradable
    Publication number: 20170314571
    Abstract: A method of applying an additive to an abrasive coated blade tip comprises applying the additive to the abrasive coated blade tip and wicking the additive into the abrasive coated blade tip, wherein the additive is configured to prevent adhesion of an organic component of an abradable seal onto the abrasive coated blade tip.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 2, 2017
    Inventor: CHRISTOPHER W. STROCK
  • Outer Airseal Insulated Rub Strip
    Publication number: 20170276007
    Abstract: A blade outer airseal has a body comprising: an inner diameter (ID) surface; an outer diameter (OD) surface; a leading end; and a trailing end. The airseal body has a metallic substrate and a coating system atop the substrate along at least a portion of the inner diameter surface. At least over a first area of the inner diameter surface, the coating system comprises an abradable layer and a thermal barrier layer between the abradable layer and the substrate; and the thermal barrier layer comprises a ceramic and metallic phases within the ceramic.
    Type: Application
    Filed: March 23, 2016
    Publication date: September 28, 2017
    Inventors: Philip R. Rioux, Nicholas R Leslie, Paul M. Lutjen, Christopher W. Strock
  • Process for forming an improved durability thick ceramic coating
    Patent number: 9725797
    Abstract: A process for forming a ceramic coating on a substrate, such as a turbine engine component includes the steps of providing a substrate, creating a plasma which preheats the substrate, and forming a ceramic coating by injecting a powder feedstock into the plasma. The ceramic coating forming step comprises depositing ceramic particles having a mean size in the range of from 100 to 150 microns at constant particle morphology.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: August 8, 2017
    Assignee: United Technologies Corporation
    Inventors: Christopher W. Strock, Charles R. Beaudoin
  • Turbine abradable air seal system
    Patent number: 9657584
    Abstract: An air seal system for a rotor blade assembly of a gas turbine engine includes a substrate. An optional ceramic interlayer may be disposed on an optional bond coat deposited on the substrate. An erosion resistant thermal barrier coating (E-TBC) layer is disposed on the ceramic interlayer (if present) or on the bond coat, or on the substrate. An abradable layer is disposed on the erosion resistant thermal barrier coating (E-TBC) layer.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: May 23, 2017
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Christopher W. Strock, Paul M. Lutjen, Michael J. Bruskotter
  • Abradable turbine air seal
    Patent number: 9598972
    Abstract: An abradable seal for a gas turbine engine includes a metal alloy and a plurality of pores in the metal alloy. The plurality of pores have a diameter of approximately 1 to 10 microns.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: March 21, 2017
    Assignee: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Composite article having metal-containing layer with phase-specific seed particles and method therefor
    Patent number: 9581042
    Abstract: A composite article includes a substrate and a metal-containing layer on the substrate. The metal of the metal-containing layer is oxidizable to a plurality of different oxide phases. The metal-containing layer includes a plurality of phase-specific seed particles promoting formation of a selected one of the different oxide phases.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: February 28, 2017
    Assignee: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Conformal Air Seal With Low Friction Maxmet Layer
    Publication number: 20170030214
    Abstract: A turbine engine system comprising a turbine engine air seal having at least one contact portion. The turbine engine air seal having a MAXMET composite bonded to at least one contact portion.
    Type: Application
    Filed: January 22, 2015
    Publication date: February 2, 2017
    Applicant: United Technologies Corporation
    Inventors: Christopher W Strock, Paul M Lutjen, Shahram Amini, Sergei F Burlatsky, Dmitri Novikov