Patents by Inventor Aaron T. Nardi

Aaron T. Nardi 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).

  • SELF-PEENING FEEDSTOCK MATERIALS FOR COLD SPRAY DEPOSITION
    Publication number: 20160258068
    Abstract: The invention provides a self-peening feedstock material for cold spray deposition comprising a higher ductility matrix material and a hardened particle.
    Type: Application
    Filed: August 4, 2014
    Publication date: September 8, 2016
    Inventors: Michael A. Klecka, Aaron T. Nardi
  • Cold spray systems with in-situ powder manufacturing
    Patent number: 9433957
    Abstract: A cold spray system includes a powder generator and a powder feeder. The powder generator has a powder source disposed within a housing. The powder feeder is in fluid communication with the housing and the powder generator within the housing. A closed circuit defined from the powder generator to the powder feeder conveys powder from the powder generator to the powder feeder without exposing the powder to contaminates from outside the closed circuit.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: September 6, 2016
    Assignee: UNITED TECHNOLOGIES CORPORATION
    Inventors: Aaron T. Nardi, Michael A. Klecka, Daniel V. Viens
  • METHOD FOR ENHANCING BOND STRENGTH THROUGH IN-SITU PEENING
    Publication number: 20160237573
    Abstract: One embodiment includes a method for enhancing bond strength between a powder deposit and a substrate. Powder is deposited on the substrate. Powder is shot peened with peening media that is harder than both the powder and the substrate to produce bond strength between the powder and the substrate that is at least twice bond strength between the powder and the and peening material substrate without shot peening.
    Type: Application
    Filed: October 17, 2014
    Publication date: August 18, 2016
    Applicant: United Technologies Corporation
    Inventors: Aaron T. Nardi, Tahany Ibrahim El-Wardany, William Werkheiser, Michael A. Klecka
  • COLD SPRAY MANUFACTURING OF MAXMET COMPOSITES
    Publication number: 20160230288
    Abstract: A process of forming a MAXMET composite coating or component on an article, that in the case of components can be removed, comprising providing an article having a substrate. The process includes providing at least one powder containing the MAXMET composite, wherein the MAXMET composite comprises a mixture of MAX phase particles and metal. Cold spraying the at least one powder on the substrate at a critical velocity. Forming a layer of the MAXMET composite on the substrate.
    Type: Application
    Filed: October 20, 2015
    Publication date: August 11, 2016
    Inventors: Shahram Amini, Christopher W Strock, John A. Sharon, Michael A. Klecka, Aaron T. Nardi
  • COLD SPRAY POWDER FEEDERS WITH IN-SITU POWDER BLENDING
    Publication number: 20160222520
    Abstract: A powder feeder for a cold spray system includes a rotatable drum body, a housing surrounding the drum body, and a support structure. The support structure couples to the housing and supports the housing such that the drum body rotates about a rotation axis to provide in-situ blending of powder disposed within an interior of the drum body.
    Type: Application
    Filed: August 4, 2014
    Publication date: August 4, 2016
    Inventors: Matthew B. Kennedy, Justin R. Hawkes, Aaron T. Nardi, Michael A. Klecka
  • SIMPLIFIED COLD SPRAY NOZZLE AND GUN
    Publication number: 20160221014
    Abstract: A cold spray nozzle assembly includes a conduit for carrying at least one of a heated gas and a powder; a nozzle; and a compression tube fitting connecting the nozzle to the conduit.
    Type: Application
    Filed: September 23, 2014
    Publication date: August 4, 2016
    Applicant: United Technologies Corporation
    Inventors: Aaron T. NARDI, Michael A. KLECKA, Justin R. HAWKES, Thomas H. LAWTON
  • POWDER SPHEROIDIZING VIA FLUIDIZED BED
    Publication number: 20160221084
    Abstract: One embodiment includes a powder spheroidizing method. The method includes loading a powder into a fluidized bed assembly, fluidizing at least some of the powder in the fluidized bed assembly using an inert gas, and heating the powder while fluidized in the fluidized bed assembly.
    Type: Application
    Filed: July 30, 2014
    Publication date: August 4, 2016
    Applicant: United Technologies Corporation
    Inventors: Michael A. Klecka, Ying She, Tahany Ibrahim El-Wardany, Aaron T. Nardi
  • Erosion and fatigue resistant blade and blade coating
    Patent number: 9404172
    Abstract: A coating is described for an airfoil blade component. The coating comprises a cermet material and has, when applied to the rotor blade, a compressive residual stress greater than about 60 ksi. In another embodiment, the compressive residual stress of the coating is in the range of approximately 90-110 ksi.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: August 2, 2016
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Patrick Louis Clavette, Jun Shi, Aaron T. Nardi
  • HIGH TEMPERATURE FLUIDIZED BED FOR POWDER TREATMENT
    Publication number: 20160175930
    Abstract: A system comprises a furnace, a fluidized bed assembly and a powder bed. The fluidized bed assembly is positioned in the furnace and comprises an outer chamber having an outer chamber inlet for receiving gas, an inner chamber positioned inside of the outer chamber. The inner chamber comprises an inner chamber inlet in fluid communication with the outer chamber, and an outlet through which the gas may exit the inner chamber and the outer chamber. The powder bed is disposed in the inner chamber.
    Type: Application
    Filed: July 30, 2014
    Publication date: June 23, 2016
    Inventors: Ying She, Aaron T. Nardi, Michael A. Klecka
  • COLD SPRAY NOZZLE ASSEMBLY
    Publication number: 20160168721
    Abstract: A cold spray nozzle assembly is disclosed that includes a nozzle body formed from a first material and an adapter body formed from a second material wherein each body has a passage the communicates with one another along an axis. The nozzle body is formed from a polymeric material and the adapter body formed from a metallic material.
    Type: Application
    Filed: January 15, 2014
    Publication date: June 16, 2016
    Inventors: Aaron T. Nardi, Michael A. Klecka, Victor K. Champagne
  • FLUIDIZED BED FOR DEGASSING AND HEAT TREATING POWDERS
    Publication number: 20160144427
    Abstract: A method includes introducing metallic powder into a fluidizing chamber of a fluidized bed reactor. A fluidization gas is flowed into the fluidizing chamber. The metallic power becomes entrained in the flow of the fluidization gas. Adsorbed water is removed from the metallic powder by exposing the metallic powder to the fluidization gas for a duration of time and at a treatment temperature to cause the adsorbed water to be removed from the metallic powder.
    Type: Application
    Filed: April 11, 2014
    Publication date: May 26, 2016
    Inventors: Aaron T. Nardi, Michael A. Klecka, Ying She, Zissis A. Dardas
  • METHOD OF FORMING A MULTILAYERED COATING FOR IMPROVED EROSION RESISTANCE
    Publication number: 20160130705
    Abstract: A method of applying a coating system to a substrate includes applying a first layer of a high hardness and high modulus of elasticity with an added metal to the substrate, applying a second layer of the high hardness and high modulus of elasticity in combination with the added metal to the first layer. A percent by volume of the added metal in the second layer is lower than the percent by volume of the added metal in the first layer. The method also includes applying two or more intermediate layers formed from an applied mixture of the high hardness, high modulus of elasticity material and a metal material between the first layer and the second layer.
    Type: Application
    Filed: January 19, 2016
    Publication date: May 12, 2016
    Inventors: Aaron T. Nardi, Tahany Ibrahim El-Wardany, Jun Shi, Patrick Louis Clavette, Xuemei Wang
  • COLD SPRAY NOZZLES
    Publication number: 20160130703
    Abstract: A nozzle assembly for a cold spray deposition system includes a nozzle body with an axial bore. The axial bore defines a converging segment, a diverging segment downstream of the converging segment, and a throat fluidly connected between the converging and diverging segments of the axial bore. A particulate conduit is fixed within the axial bore and extends along the axial bore diverging segment for issuing solid particulate into the diverging segment of the axial bore.
    Type: Application
    Filed: November 6, 2015
    Publication date: May 12, 2016
    Inventors: Aaron T. Nardi, Michael A. Klecka, Louis Chiappetta, Martin Haas
  • CORROSION RESISTANT HYDROPHOBIC COATINGS AND METHODS OF PRODUCTION THEREOF
    Publication number: 20160122557
    Abstract: A cost-effective method of forming a hydrophobic coating on a substrate and coated substrates are disclosed. Specifically, the method comprises applying amorphous powders of an alloy to the substrate through a cold spray process. Also provided is a novel type of hydrophobic coating made of metallic glasses or amorphous alloys. The hydrophobic coatings offer advantages such as, low cost, low maintenance, and high corrosion resistance.
    Type: Application
    Filed: May 29, 2014
    Publication date: May 5, 2016
    Inventors: Neal Magdefrau, Daniel G. Goberman, Paul Sheedy, Aaron T. Nardi
  • Multilayered coating for improved erosion resistance
    Patent number: 9273400
    Abstract: An erosion resistant coating for a substrate includes two or more coating layers affixed to the substrate having an increasing modulus of elasticity and hardness from an innermost layer of the coating adjacent to the substrate to an outermost layer of the coating furthest from the substrate. A method of applying a coating system to a substrate includes applying a first layer of a high hardness and high modulus of elasticity material combined with an added metal to the substrate. A second layer of the high hardness and high modulus of elasticity material combined with the added metal is applied to the first layer, resulting in a coating system wherein the second layer has a modulus of elasticity and hardness greater than the modulus of elasticity and hardness of the first layer.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: March 1, 2016
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Aaron T. Nardi, Tahany Ibrahim El-Wardany, Jun Shi, Patrick Louis Clavette, Xuemei Wang
  • HIGH TEMPERATURE AND HIGH PRESSURE PORTABLE GAS HEATER
    Publication number: 20160053380
    Abstract: A portable gas heater includes a housing, a pressure vessel arranged in the housing, a layer of thermal insulation disposed on an interior wall of the pressure vessel, a heating element arranged within the layer of thermal insulation, and a gas diffuser arranged upstream from the heating element. A cold spray system including the portable gas heater and a method of heating gas are also disclosed.
    Type: Application
    Filed: February 14, 2014
    Publication date: February 25, 2016
    Inventors: Michael A. Klecka, Aaron T. Nardi, Justin R. Hawkes, Matthew B. Kennedy
  • Abrasive Tipped Blades and Manufacture Methods
    Publication number: 20160024942
    Abstract: An article (104;140) has an airfoil (100). The airfoil has a leading edge (114), a trailing (116) edge, a pressure side (118), and a suction side (120) and the airfoil extends from a first end (110) to a tip (112). The article comprises an aluminum alloy or titanium alloy substrate (352) and a coating at the tip. The coating comprises a cold sprayed nickel or cobalt matrix (352) and an abrasive (354).
    Type: Application
    Filed: December 3, 2013
    Publication date: January 28, 2016
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Paul R. Faughnan, JR., Aaron T. Nardi, Michael A. Klecka
  • Article having cobalt-phosphorous coating and method for heat treating
    Patent number: 9222187
    Abstract: A method of processing an article having a substrate and a cobalt-phosphorous coating disposed on the substrate includes heat treating the article. At least one physical characteristic of the cobalt-phosphorous coating is altered using the heat treating to thereby change a performance characteristic of the article. For example, the article may be an actuator component having a bore or a shaft that is movably disposed at least partially within the bore.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: December 29, 2015
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Blair A. Smith, Aaron T. Nardi
  • SOLID STATE METAL POWDER CONSOLIDATION FOR STRUCTURAL COMPONENTS
    Publication number: 20150321217
    Abstract: An additive manufacturing system includes a cold spray system operable to accelerate a powdered material. In one embodiment, wherein the powdered material includes a ductile material. In the alternative or additionally thereto, the foregoing embodiment, includes wherein the powdered material is a copper alloy. In the alternative or additionally thereto, the foregoing embodiment includes, wherein the powdered material is an aluminum alloy.
    Type: Application
    Filed: January 28, 2013
    Publication date: November 12, 2015
    Inventors: Aaron T. Nardi, Tahany I. El-Wardany, Daniel V. Viens
  • STRUCTURED MATERIAL ALLOY COMPONENT FABRICATION
    Publication number: 20150323053
    Abstract: A novel manufacturing method for functionally graded component includes a cold sprayed additive manufactured core material and a cold sprayed additive manufactured set of teeth around said core made from another material.
    Type: Application
    Filed: January 28, 2013
    Publication date: November 12, 2015
    Inventors: Tahany I. El-Wardany, Aaron T. Nardi, Daniel V. Viens, Wenjiong Gu, Eric J. Amis, Hayden M. Reeve