Unison Industries, Inc.

General Electric Company

Emily Marie Phelps

Gordon Tajiri

Joseph Richard Schmitt

Dattu G V Jonnalagadda

Yanzhe Yang

Dattu Gv Jonnalagadda

Merin Sebastian

Sandeep Kumar

Ramana Reddy Kollam

Lakshmi Krishnan

Dattu Guru Venkata Jonnalagadda

Donald Templeton

Daniel Dyer

Bruce Patrick Graham

David William Millward

Karthick Vilapakkam Gourishankar

Srinivasan Swaminathan

Guru Venkata Dattu Jonnalagadda

Mohandas Nayak

Ashley Rose Dvorak

Gary Stephen Shipley

Navish Garg

Soumya Chakraborty

Dattu Guruvenkata Jonnalagadda

A thermal insulation system for an aerospace duct through which high temperature fluid, greater than 500 F, passes. The thermal insulation system can experience pressures less than 80 kilopascals and can be included in a turbine engine. The thermal insulation system includes at least a first foil layer confronting the duct, an insulation layer confronting the first foil layer, a second foil layer confronting the insulation layer, and at least one coating applied to any one of the layers.

Thermal insulation system

A forming manifold and method for electroforming a component, including providing an electroforming cathode disposed within a first bath tank having a solution with a first metal ion concentration, overlaying at least a portion of the electroforming cathode with a forming manifold having a housing and applying a voltage to the electroforming cathode while disposed within the first bath tank.

Device and method for forming electroformed component

An apparatus and method for a mandrel used during an electroforming process. The mandrel is formed of a structural wax and includes a metallic layer utilized to formulate a metal component. During the electroforming process, the mandrel is actively cooled utilizing a closed loop. The closed loop includes the mandrel and a heat exchanger through which a coolant flows.

Mandrel for electroforming

An apparatus and method of forming a heat exchanger includes forming a monolithic core body having a first set of flow passages and a core coefficient of thermal expansion, and additively manufacturing onto the monolithic core a first manifold defining a first fluid inlet for the first set of flow passages.

Heat exchanger assembly with unitary body and manifold and methods of formng same

Nickel-cobalt materials, methods of forming a nickel-cobalt material, and methods of thermally stabilizing a nickel-cobalt material are provided. A nickel-cobalt material may include a metal matrix composite with amorphous regions and crystalline regions substantially encompassed by a nanocrystalline grain structure with a grain size distribution of about 50 nanometers to about 800 nanometers, and the nanocrystalline grain structure may include widespread intragranular twinning. The metal matrix composite may have a chemical makeup that includes nickel, cobalt, and a dopant such as phosphorus and/or boron. A nickel-cobalt material may be heat treated within a first temperature zone below the onset temperature for grain growth and then within a second temperature zone above the onset temperature for grain growth in the material. Chemical composition and heat treatment may yield a thermally stabilized nickel-cobalt material.

Thermally stabilized nickel-cobalt materials and methods of thermally stabilizing the same

A nickel-cobalt material and component includes a thermally stabilized nickel-cobalt alloy. The nickel-cobalt alloy disclosed herein includes nanocrystalline grain structures, pinning, such as Zener pinning, and intragranular twinning. The nickel-cobalt alloy disclosed herein exhibits multiple properties including an improved fracture toughness, an increased thermal stability, and an improved ultimate tensile strength.

Nickel-cobalt material and method of forming

A gas turbine engine guide vane heat exchanger has guide vane heat exchanger including electroformed fluid channels in electroformed heat exchanger tubes or a heat exchanger core disposed within airfoil. Non-flammable heat conducting liquid or non-metallic foam may fill space between tubes or core and airfoil. Fluid circuit may include channels within electroformed heat exchanger tubes or the heat exchanger core and extend from inlet manifold to outlet manifold for directing fluid or oil through channels and include fluid or oil supply inlet connected to inlet manifold for receiving the fluid or oil flowed into inlet manifold and a fluid or oil supply outlet connected to fluid or oil supply outlet for discharging fluid or oil flowed out of fluid or oil outlet manifold. Heat exchanger tubes or heat exchanger core, inlet manifold, outlet manifold, supply inlet and supply outlet may be integrally and monolithically electroformed together.

OGV electroformed heat exchangers

An apparatus and method of forming a hybrid heat exchanger including a first manifold defining a first fluid inlet and a second manifold defining a second fluid inlet. A monolithic core body includes a first set of flow passages in fluid communication with the first manifold and a second set of flow passages is in communication with the second manifold. At least a portion of the first manifold or the second manifold has a tunable coefficient of thermal expansion that is less than a coefficient of thermal expansion of the structurally rigid monolithic core.

Heat exchanger assembly with a manifold additively manufactured onto a core and method of forming

An electroforming system and method for electroforming a component includes an electroforming reservoir with a housing defining a fluid passage. An electroforming chamber can be located within the housing and fluidly coupled to the fluid passage via a set of apertures in at least one wall of the electroforming chamber.

Electroforming system and method

A nickel-cobalt material and method of forming includes forming a doped nickel-cobalt precursor material. The method also includes heat treating the doped nickel-cobalt precursor material, wherein the heat treating includes at least heating within a temperature zone below the onset temperature for grain growth in the doped nickel-cobalt precursor material.

A method of forming a tubular element includes providing an attachment joint, and disposing a mandrel adjacent the attachment joint, where the mandrel can also include an outer or exposed surface. Metal can be disposed on the outer surface of the mandrel to form at least a portion of the tubular element.

Duct assembly and method of forming

An apparatus and method of forming a heat exchanger including a thermally compliant material and geometry with a core having a first set of flow passages and a second set of flow passages passing through the core. A first manifold of high temperature and strength material defines a fluid inlet for the first set of flow passages and a second manifold of high temperature and strength material defines a fluid inlet for the second set of flow passages. At least one of the first and second manifolds can include an in-situ compliant portion to provide for compliance during thermal expansion of the heat exchanger.

Heat exchanger assembly

A tunable compliant mount structure for an engine such as a turbine engine can include a fluid conduit coupled to a fan casing by a connector. At a junction between the connector and the fluid conduit, a compliant mount structure can provide compliance and can be tuned to operate under variable stresses at the junction. The compliant mount structure can include a set of nested convolutions to provide compliance. The geometry of the convolutions can be used to tune the compliance, stiffness, or directionality. The tunable compliant attachment structure provides for additive in-situ manufacturing at the fluid conduit.

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Bellbrook, OH, United States of America

Emily Marie Phelps