General Electric Company

Exxonmobil Upstream Research Company

Christian Xavier Stevenson

Thomas Edward Johnson

Willy Steve Ziminsky

Benjamin Paul Lacy

Baifang Zuo

Abdul Rafey Khan

William David York

Brandon Wayne Miller

Gilbert Otto Kraemer

Daniel Alan Niergarth

Sarah Lori Crothers

Ethan Patrick O'Connor

Patrick Benedict Melton

Jong Ho Uhm

Ertan Yilmaz

Patrick M Kenney

David Kenton Felling

Peter Allen Andrews, Jr

Lucas John Stoia

Patrick Michael Marrinan

Christopher James Kroger

Balachandar Varatharajan

Joseph Vincent Citeno

John William Moores

David Corsmeier

Steven Hubert Rengers

Charles Michael Welsh

Timothy John Sommerer

Justin Mamrak

Scott Alan Gold

MacKenzie Ryan Redding

Richard Alan Wesling

Nathan Evan McCurdy Gibson

James Harold Westmoreland

Bryan Wesley Romig

Ilya Aleksandrovich Slobodyanskiy

David Vickery Parker

Sean Christopher Binion

Rachel Wyn Levine

John Drake Vanselow

Chunyang Wu

William Francis Carnell, Jr

Alberto Jose Negroni

Balachandar Naidu

Shane Matthew Gillespie

Ping Wang

Benjamin Paul Lacey

Patrick Michael Kenney

Steve Hubert Rengers

A fuel oxygen conversion unit includes a contactor; a fuel gas separator, the fuel oxygen conversion unit defining a circulation gas flowpath from the fuel gas separator to the contactor; and an isolation valve in airflow communication with the circulation gas flowpath for modulating a gas flow through the circulation gas flowpath to the contactor.

Fuel oxygen conversion unit with valve control

An engine includes a stripping gas source, a combustion section, and a fuel oxygen conversion unit positioned upstream of the combustion section, the fuel oxygen conversion unit defining a stripping gas flowpath in airflow communication with the stripping gas source. The fuel oxygen conversion unit includes a contactor defining a fuel inlet, a gas inlet in airflow communication with the stripping gas flowpath, and a fuel gas mixture outlet; and a fuel gas separator defining a fuel gas mixture inlet for receiving a fuel gas mixture from the contactor, a liquid fuel outlet, and a stripping gas outlet; wherein the stripping gas flowpath receives substantially all of a stripping gas flow therethrough from the stripping gas source and provides the stripping gas flow to the contactor.

Fuel oxygen conversion unit

The present disclosure generally relates to methods for additive manufacturing (AM) that utilize rail support structures in the process of building objects, as well as novel rail support structures to be used within these AM processes. The rail support structures include a plurality of substantially parallel vertical walls, each wall extending substantially parallel to a direction from the first side to the second side. Adjacent walls of the plurality of substantially parallel vertical walls are separated by a portion of unfused powder. An object is formed above the plurality of substantially parallel vertical walls.

Methods and rail supports for additive manufacturing

An engine includes a combustion section and a fuel delivery system in fluid communication with the combustion section for providing fuel to the combustion section. The fuel delivery system includes a fuel oxygen reduction unit defining a circulation gas flowpath. The fuel oxygen reduction unit includes a gas oxygen reduction unit positioned in the circulation gas flowpath for reducing an oxygen content of a flow of stripping gas through the circulation gas flowpath and a pre-heater positioned in thermal communication with the circulation gas flowpath upstream of the gas oxygen reduction unit.

Fuel oxygen reduction unit

The present disclosure is directed to a gas turbine engine including a housing circumferentially surrounding an electric machine. The electric machine is supported within the housing. The housing defines a cooling passage proximate to the electric machine. The cooling passage circumferentially surrounds the electric machine and is extended at least partially along a lengthwise direction of the electric machine. The cooling passage provides a flow of fluid therethrough.

Fluid cooling structure for an electric machine of a gas turbine engine

A method and system for distributed power generation is provided. The method includes determining an operational cycle for the system; determining an average energy requirement of the system based on the operational cycle; configuring a plurality of energy sources each corresponding to the load device to produce a peak efficiency corresponding to the average energy requirement of the system; and coupling the energy source to provide energy to the load device.

Distributed power generation for a vehicle system

A method of making a part by an additive manufacturing process includes the steps of: (a) supporting a build platform on a support surface; (b) traversing a powder dispenser positioned above the support surface across the build platform, while dispensing powder from the powder dispenser, so as to deposit the powder over the build platform; (c) traversing the build platform with a scraper to scrape the deposited powder, so as to form a layer increment of powder; (d) using a directed energy source to fuse the layer increment of powder in a pattern corresponding to a cross-sectional layer of the part; and (e) repeating in a cycle steps (b) through (d) to build up the part in a layer-by-layer fashion.

Powder recirculating additive manufacturing apparatus and method

The present disclosure generally relates to methods of additive manufacturing with control of the energy beam incidence angle that allows for aligning the laser beam angle to directly oppose the building direction of an angled wall. The method includes building an object in an additive manufacturing powder bed where the object includes a surface that is defined by a build vector projecting outward relative to the build plate center at an angle &#x3a6; relative to normal of the build plate such that 90&#xb0;&#x3e;&#x3a6;&#x3e;0&#xb0; and the directed energy beam forms an angle &#x3b8;relative to normal of the build plate such that 270&#xb0;&#x3e;&#x3b8;&#x3e;180&#xb0;, wherein &#x3b8;&#x2212;&#x3a6;=180&#xb0;&#xb1;&#x394;, and &#x394;&#x3c;45&#xb0;. The present methods provide finished objects having overhanging regions with more consistent surface finish and resistance to mechanical strain or stress.

Method to control additive manufacturing builds using laser angle of incidence

In one an exemplary aspect of the present disclosure, an engine includes a drive shaft; an electric machine including a stator assembly and a rotor assembly, the rotor assembly rotatable relative to the stator assembly; and an electrical break, the drive shaft coupled to the rotor assembly through the electrical break.

Electric machine arc path protection

A fuel oxygen reduction unit for an aeronautical engine is provided. The fuel oxygen reduction unit includes a stripping gas line that provides a stripping gas flow and a plasma reactor in fluid communication with the stripping gas line. The plasma reactor includes a plasma reactor gas inlet that receives the stripping gas flow from the stripping gas line and a plasma reactor gas outlet that provides the stripping gas flow back to the stripping gas line, the plasma reactor configured to reduce a free oxygen content of the stripping gas flow such that an outlet free oxygen content of the stripping gas flow that exits the plasma reactor gas outlet is lower than an inlet free oxygen content of the stripping gas flow that enters the plasma reactor gas inlet.

Fuel oxygen reduction unit with plasma reactor

The present disclosure generally relates to methods and apparatuses for secondary material deposition and insert deposition during additive manufacturing (AM) processes. Such methods and apparatuses can be used to embed chemical signatures into manufactured objects, and such embedded chemical signatures may find use in anti-counterfeiting operations and in manufacture of objects with multiple materials.

Selective powder processing during powder bed additive manufacturing

An additive manufacturing apparatus includes: a support surface configured to support a build platform thereon; a powder dispenser disposed above the support surface, the powder dispenser configured to dispense powder, and movable laterally over the support surface; a scraper moveable over the build platform and configured to scrape powder dispensed thereon by the powder dispenser, so as to provide a layer increment of powder above the build platform; and a directed energy source configured to melt and fuse the layer increment of powder in predetermined pattern so as to form a part.

An additive manufacturing apparatus includes: a coater including: at least one trough including a plurality of side-by-side deposition valves.

Coater apparatus and method for additive manufacturing

A system includes a gas turbine engine having a first combustor and a second combustor. The first combustor includes a first fuel conduit having a first plurality of injectors. The first plurality of injectors are disposed in a first configuration within the first combustor along a first fuel path, and the first plurality of injectors are configured to route a fuel to a first combustion chamber. The system further includes a second combustor having a second fuel conduit having a second plurality of injectors. The second plurality of injectors are disposed in a second configuration within the second combustor along a second fuel path, and the second plurality of injectors are configured to route the fuel to a second combustion chamber. The second configuration has at least one difference relative to the first configuration.

Systems and methods for variation of injectors for coherence reduction in combustion system

Growing community of inventors

Inman, SC, United States of America

Christian Xavier Stevenson