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).

  • Toughened bond layer and method of production
    Patent number: 10414694
    Abstract: According to one embodiment of this disclosure, a coating includes a plurality of elongated reinforcing materials. The coating includes a bond coat in which a first portion of a first elongated reinforcing material is embedded. The coating further includes a ceramic coat adjacent the bond coat in which a second portion of the first elongated reinforcing material is embedded.
    Type: Grant
    Filed: April 5, 2018
    Date of Patent: September 17, 2019
    Assignee: United Technologies Corporation
    Inventors: Christopher W. Strock, Thomas J. Martin, Alexander Staroselsky, Sergey Mironets
  • Spray masking for rotors
    Patent number: 10406555
    Abstract: A mask for masking a component at an annular boundary comprises a wall (90, 92) having an inner first rim portion having a first inner diameter (D1) and an outward rebate (140) adjacent the first rim portion.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: September 10, 2019
    Assignee: United Technologies Corporation
    Inventors: Christopher W. Strock, Charles R. Beaudoin, Robert D. Richard, Steven G. Lemay
  • Blade rub material
    Patent number: 10408078
    Abstract: One aspect of the disclosure involves a nib material comprising a polymeric matrix and carbon nanotubes in the matrix. In one or more embodiments of any of the foregoing embodiments, the matrix comprises a silicone. In one or more embodiments of any of the foregoing embodiments, the rub material is at least 1.0 mm thick. In one or more embodiments of any of the foregoing embodiments, the silicone is selected from the group consisting of dimethyl- and fluoro-silicone rubbers and their copolymers. In one or more embodiments of any of the foregoing embodiments, the carbon nanotubes at least locally have a concentration of 1-20% by weight.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: September 10, 2019
    Assignee: United Technologies Corporation
    Inventors: Christopher W. Strock, Changsheng Guo
  • Fan blades with abrasive tips
    Patent number: 10408224
    Abstract: A fan blade for a gas turbine engine is disclosed. The disclosed fan blade includes an airfoil having a leading edge, a trailing edge, a convex side, a concave side and a distal tip. The leading edge, trailing edge, convex side and concave side of the airfoil is at least partially coated with an erosion resistant coating. The distal tip of the airfoil is coated with a bonded abrasive coating. The bonded abrasive coating engages the abradable coating disposed on the fan liner and, because of its low thermal conductivity, reduces heat transfer to the distal tip of the fan blade. The reduction in heat transfer to the distal tip of the fan blade preserves the integrity of erosion resistant coatings that may be applied to the body or the airfoil of the fan blade.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: September 10, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Christopher W. Strock, Changsheng Guo
  • Blade Rub Material
    Publication number: 20190271233
    Abstract: A rub material (124) comprises a polymeric matrix (128) and polymeric micro-balloons (130) in the matrix.
    Type: Application
    Filed: May 9, 2019
    Publication date: September 5, 2019
    Applicant: United Technologies Corporation
    Inventors: Christopher W. Strock, Changsheng Guo
  • Chemistry based methods of manufacture for MAXMET composite powders
    Patent number: 10378450
    Abstract: A method of manufacturing a gas turbine engine air seal comprising forming at least one MAX phase particle. The method includes coating the at least one MAX phase particle with a metallic shell. The method includes applying the at least one MAX phase metallic coated particle to a surface of a substrate of the air seal to form an abradable layer of a MAXMET composite abradable material from the at least on MAX phase metallic coated particle.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: August 13, 2019
    Assignee: United Technologies Corporation
    Inventors: Shahram Amini, Christopher W. Strock, Weina Li
  • CERAMIC COATING SYSTEM AND METHOD
    Publication number: 20190195080
    Abstract: A gas turbine engine article includes a substrate that has at least one step, and the step includes an undercut. A thermally insulating topcoat is disposed on the substrate. The thermally insulating topcoat includes at least one fault that extends from the step.
    Type: Application
    Filed: March 1, 2019
    Publication date: June 27, 2019
    Inventors: Jose R. Paulino, Christopher W. Strock
  • POLYMER-COATED BLADE WITH ABRASIVE TIP
    Publication number: 20190195075
    Abstract: A friction interface in a gas turbine engine includes an abradable component, such as a seal, and an abrasive component, such as a blade tip, in rubbing contact with each other. The abradable component is composed of a polymer matrix composite and the abrasive component is composed of a metal matrix with hard particles dispersed through the metal matrix. The metal matrix is an aluminum alloy and the hard particles are selected from oxides, nitrides, carbides, oxycarbides, oxynitrides, diamond and combinations thereof.
    Type: Application
    Filed: February 27, 2019
    Publication date: June 27, 2019
    Inventors: Christopher W. Strock, Russell A. Beers
  • COMPRESSOR ABRADABLE SEAL WITH IMPROVED SOLID LUBRICANT RETENTION
    Publication number: 20190186281
    Abstract: An air seal in a gas turbine engine includes a substrate. A bond coating layer is adhered to the substrate. An abradable layer is adhered to the bond coating layer. The abradable layer comprises a metal matrix discontinuously filled with a lubricious oxide solid lubricant filler.
    Type: Application
    Filed: December 20, 2017
    Publication date: June 20, 2019
    Applicant: United Technologies Corporation
    Inventors: Pantcho Stoyanov, Christopher W. Strock, Kevin Seymour
  • Calcium-magnesium alumino-silicate (CMAS) resistant thermal barrier coatings, systems, and methods of production thereof
    Patent number: 10322976
    Abstract: The thermal barrier coating includes reactive gadolinia in its microstructures and the embedded gadolinia effectively reacts with CMAS contaminant reducing the damage from CMAS. Moreover, a method to produce a CMAS resistant thermal barrier coating can include a post-treatment to the thermal barrier coating with the reactive gadolinia suspension in sol-gel state.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: June 18, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventor: Christopher W. Strock
  • Abradable material feedstock and methods and apparatus for manufacture
    Patent number: 10315249
    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: Grant
    Filed: July 29, 2016
    Date of Patent: June 11, 2019
    Assignee: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Abrasive tip blade manufacture methods
    Patent number: 10309233
    Abstract: A method is disclosed for manufacturing a blade tip coating. The blade tip coating (152) comprising an abrasive (156) and a matrix (154). The method comprises forming a mixture comprising the abrasive, a precursor of the matrix, and an additional particulate (158). The mixture is pressed, the additional particulate acting as a stop to limit thickness reduction of the mixture.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: June 4, 2019
    Assignee: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Blade rub material
    Patent number: 10301949
    Abstract: One aspect of the disclosure involves a rub material comprising a polymeric matrix and polymer micro-balloon filler in the matrix. In one or more embodiments of any of the foregoing embodiments, the matrix comprises a silicone. In one or more embodiments of any of the foregoing embodiments, the rub material is at least 1.0 mm thick. In one or more embodiments of any of the foregoing embodiments, the silicone is selected from the group consisting of dimethyl- and fluoro-silicone rubbers and their copolymers. In one or more embodiments of any of the foregoing embodiments, the micro-balloons at least locally have a concentration of 5-50% by volume.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: May 28, 2019
    Assignee: United Technologies Corporation
    Inventors: Christopher W. Strock, Changsheng Guo
  • Turbine engine seal for high erosion environment
    Patent number: 10294962
    Abstract: A gas turbine engine includes an inlet duct, a compressor section, a combustor section, and a turbine section connected to drive the compressor section. The compressor section includes circumferentially-spaced blades having abrasive blade tips. A seal is disposed radially outwards of the blades. The seal includes a substrate that has a substrate hardness, an abradable layer that has an abradable layer hardness, and a hard interlayer between the substrate and the abradable layer. The hard interlayer has an interlayer hardness that is higher than the abradable layer hardness and higher than the substrate hardness.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: May 21, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventor: Christopher W. Strock
  • Abradable Material Feedstock and Methods and Apparatus for Manufacture
    Publication number: 20190143404
    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: January 11, 2019
    Publication date: May 16, 2019
    Applicant: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Aluminum alloy coating with rare earth and transition metal corrosion inhibitors
    Patent number: 10273822
    Abstract: A corrosion resistant aluminum alloy abradable coating for use as a seal material consists of a porous base metal alloy layer containing corrosion inhibiting metal compounds dispersed throughout the porous base metal alloy layer. A method of forming a corrosion resistant aluminum alloy abradable coating consists of co-thermal spraying aluminum alloy powder plus polymer powder and particles containing corrosion inhibiting metal compounds.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: April 30, 2019
    Assignee: United Technologies Corporation
    Inventors: Christopher W. Strock, Mark R. Jaworowski, Frank W. Mase
  • Gas turbine engine component coating with self-healing barrier layer
    Patent number: 10273583
    Abstract: A component for high temperature applications includes a substrate and a layer of an aluminum-containing MAX phase material and another material applied to the substrate.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: April 30, 2019
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Christopher W. Strock, Shahram Amini
  • NEAR NET SHAPE ABRADABLE SEAL MANUFACTURING METHOD
    Publication number: 20190120075
    Abstract: A method of manufacturing a net shaped seal comprising depositing a first layer of powder material on a substrate; the powder material comprising an abradable feedstock material comprising matrix alloy clad filler particles, wherein the matrix alloy cladding includes Al, Cu, Ni, Co, Cr, Fe, Si and Y; guiding a heat source over the powder material layer; laser sintering the powder material, the matrix alloy clad filler particles sinter in the absence of the filler particles melting; depositing a second layer of powder material over the first layer; laser sintering the second layer of powder material with a second laser pass at predetermined locations; wherein at least one of the matrix alloy clad filler particles sinter, and in the absence of the filler particles melting; and repeating the depositing step and laser sintering step to form subsequent layers to form an abradable seal on the substrate.
    Type: Application
    Filed: December 13, 2018
    Publication date: April 25, 2019
    Applicant: United Technologies Corporation
    Inventor: Christopher W. Strock
  • Outer airseal abradable rub strip
    Patent number: 10267174
    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: Grant
    Filed: April 28, 2016
    Date of Patent: April 23, 2019
    Assignee: United Technologies Corporation
    Inventors: Xuan Liu, Christopher W. Strock, Russell A. Beers
  • Erosion resistant coating for air seal
    Patent number: 10247026
    Abstract: A seal is formed of a matrix and includes hard particles. The matrix has a shear strength of greater than or equal to 200 psi and less than or equal to 2000 psi. A gas turbine engine is also disclosed.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: April 2, 2019
    Assignee: United Technologies Corporation
    Inventor: Christopher W. Strock