General Electric Company

Ge Precision Healthcare LLC

Lockheed Martin Corporation

Sabic Innovative Plastics IP B.v.

Marshall Gordon Jones

William Thomas Carter

Carl Edward Erikson

Angel L Ortiz, Jr

Lang Yuan

Michael Evans Graham

David Charles Bogdan, Jr

Justin John Gambone, Jr

John L August, Jr

James William Sears

Tushar S Chande

Mark Gilbert Benz

Kevin George Harding

Robert John Zabala

Sergio Lemaitre

Carey Shawn Rogers

Joseph Darryl Michael

John Scott Price

John Frederick Graf

Vasile Bogdan Neculaes

Uwe Wiedmann

Fulton Jose Lopez

Joseph Criniti

Jason Harris Karp

Grant Hay

Steven Alfred Tysoe

Andrew Thomas Cross

Herman A Nied

Kevin Patrick Capaldo

Adel Fawzy Bastawros

Masako Yamada

Wenwu Zhang

Ashwit Dias

Melvin Robert Jackson

Harry Kirk Mathews, Jr

Victor Petrovich Ostroverkhov

William Edward Adis

Gregory Alan Steinlage

Steven Jude Duclos

John Broddus Deaton, Jr

Robert A Thompson

Mark Allen Cheverton

Prabhjot Singh

Bernard Arthur Couture, Jr

Jinjie Shi

Donald R Schindler

Donald Robert Allen

Thomas Charles Adcock

Michael Dennis Mack

Michael R Eggleston

Magdi Naim Azer

Karkala Arun Kumar

Jeffrey D Johnson

Andrew David Deal

William O Harris

Emine Elif Gurel

Ning Zhou

Ching-Pang Lee

Ronald Scott Bunker

Gerald Burt Kliman

Bin Wei

Bruce Alan Knudsen

Lionel M Levinson

Lowell Scott Smith

Minyoung Lee

Curtis E Scott

Walter Whipple

Todd William Danko

Steven Robert Hayashi

Guanghua Wang

Hsin-Pang Wang

Henry Peter Offer

Carl M Penney

Sudhir D Savkar

John Michael Lizzi

Yung S Liu

Arpit Jain

Bhupendra Kumar Gupta

Judson Sloan Marte

Farzin Homayoun Azad

Kamlesh Mundra

Josef Robert Unternahrer

Wilbur Douglas Scheidt

Russell E Tompkins

Eklavya Calla

David Peter Mika

Mary Sue Kaliszewski

Joseph Edward Piel, Jr

Ranga Komanduri

Alexander Kyle Duncan

John R Viertl

Allen W Case, Jr

Venkata Vijayaraghava Nalladega

Viktor Holovashchenko

Ben David Poquette

Lee E Rumaner

Martin N Hassink

Theodore R Haller

Jessica Godin Karp

Todd Morris Loehr

Various systems and methods are provided for a biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same. In one example, a cathode assembly of an X-ray tube comprises an emitter assembly including an emitter coupled to an emitter support structure, and an electrode assembly including an electrode stack and a plurality of bias electrodes. The emitter assembly including a plurality of independent components that are coupled together. The electrode assembly including a plurality of independent components that are coupled together, and the emitter assembly being coupled to the electrode assembly.

Biased cathode assembly of an X-ray tube with improved thermal management and a method of manufacturing same

Methods, systems, and apparatus are described for maintaining the interior cavities of pipes. In one aspect, a motorized apparatus includes a main body having a length extending along a longitudinal axis of the main body, where the main body comprises a first end and a second end opposite the first end. The motorized apparatus further includes at least one drive assembly coupled to at least one of the first end and the second end of the main body, where the at least one drive assembly comprises driven members that engage with an inner surface of the pipe and move the motorized apparatus through an interior cavity of the pipe. The motorized apparatus further includes a maintenance head movably coupled to the main body that moves along the length of the main body and rotates about the longitudinal axis of the main body, where the maintenance head comprises at least one tool configured to perform an action on the inner surface of the pipe.

Motorized apparatus for pipe inspection and repair

An additive manufacturing system including a housing configured to contain a powder bed of material, and an array of laser emitters having a field of view. The array is configured to melt at least a portion of the powder bed within the field of view as the array translates relative to the powder bed. The system further includes a spatter collection device including a diffuser configured to discharge a stream of gas across the powder bed, and a collector configured to receive the stream of gas and contaminants entrained in the stream of gas. The collector is spaced from the diffuser such that a collection zone is defined therebetween, and the spatter collection device is configured to translate relative to the powder bed such that the collection zone overlaps with the field of view of the array.

Additive manufacturing system and method of forming an object in a powder bed

Biased cathode assembly of an x-ray tube with improved thermal management and a method of manufacturing same

A method of forming a build in a powder bed includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array onto the powder bed, the selected fibers of the array corresponding to a pattern of a layer of the build; and simultaneously melting powder in the powder bed corresponding to the pattern of the layer of the build. An apparatus for forming a build in a powder bed includes a diode laser fiber array including a plurality of diode lasers and a plurality of optical fibers corresponding to the plurality of diode lasers, each optical fiber configured to receive a laser beam from a respective diode laser and configured to emitting the laser beam; a support configured to support a powder bed or a component configured to support the powder bed at a distance from ends of the optical fibers; and a controller configured to control the diode laser fiber array to emit a plurality of laser beams from selected fibers of the diode laser fiber array onto the powder bed, the selected fibers of the array corresponding to a pattern of a layer of the build and simultaneously melt the powder in the powder bed corresponding to the pattern of the layer of the build.

Diode laser fiber array for powder bed fabrication or repair

A method of method of forming or repairing a superalloy article having a columnar or equiaxed or directionally solidified or amorphous or single crystal microstructure includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array corresponding to a pattern of a layer of the article onto a powder bed of the superalloy to form a melt pool; and controlling a temperature gradient and a solidification velocity of the melt pool to form the columnar or single crystal microstructure.

Control of solidification in laser powder bed fusion additive manufacturing using a diode laser fiber array

An additive manufacturing system configured to manufacture a component including scan strategies for efficient utilization of one or more laser arrays. The additive manufacturing system includes at least one laser device, each configured as a laser array, and a build platform. Each laser device is configured to generate a plurality of laser beams. The component is disposed on the build platform. The at least one laser device is configured to sweep across the component and the build platform in at least one of a radial direction, a circumferential direction or a modified zig-zag pattern and simultaneously operate the one or more of the plurality of individually operable laser beams corresponding to a pattern of the layer of a build to generate successive layers of a melted powdered material on the component and the build platform corresponding to the pattern of the layer of the build. A method of manufacturing a component with the additive manufacturing system is also disclosed.

Scan strategies for efficient utilization of laser arrays in direct metal laser melting (DMLM)

A component is fabricated in a powder bed by moving a laser array across the powder bed. The laser array includes a plurality of laser devices. The power output of each laser device of the plurality of laser devices is independently controlled. The laser array emits a plurality of energy beams from a plurality of selected laser devices of the plurality of laser devices to generate a melt pool in the powder bed. A non-uniform energy intensity profile is generated by the plurality of selected laser devices. The non-uniform energy intensity profile facilitates generating a melt pool that has a predetermined characteristic.

System and methods for fabricating a component with laser array

A method that includes additively manufacturing with an additive manufacturing (AM) system a sub-component that has a locator element. Using a control system of the AM system for positioning a first location of the locator element. Selectively placing a portion of another sub-component adjacent to the locator element, based on the positioning. Then attaching the second sub-component to the first sub-component in a region, wherein the region is based on the positioning knowledge from the control system so as to make a component. A component that comprises a first sub-component that has an AM locator element; and a second sub-component attached to the first sub-component, wherein the locator element is attached to the second sub-component within the same additive manufacturing build chamber as the first sub-component.

Additively manufactured component with locator element for aligning sub-components

An additive manufacturing system is configured to manufacture a component. The additive manufacturing system includes a laser device, a build platform, a first scanning device, and an air knife. The laser device is configured to generate a laser beam. The component is disposed on the build platform. The air knife is configured to channel an inert gas across the build platform. The first scanning device is configured to selectively direct the laser beam across the build platform. The laser beam is configured to generate successive layers of a melted powdered build material on the component and the build platform. The build platform is configured to rotate the component relative to the air knife.

Systems and methods for additive manufacturing rotating build platforms

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Scotia, NY, United States of America

Marshall Gordon Jones