General Electric Company

Electric Power Research Institute Incorporated

Ge Precision Healthcare LLC

General Electric Corporation Gmbh

Evangelos Trifon Laskaris

Bizhan Dorri

Michele Dollar Ogle

Kenneth Gordon Herd

Xianrui Huang

Paul Shadforth Thompson

Michael Anthony Palmo, Jr

Yu Wang

Kathleen Melanie Amm

Richard Andrew Ranze

James Pellegrino Alexander

James William Bray

Robert Adolph Ackermann

Bulent Aksel

Minfeng Xu

Anbo Wu

Kiruba Sivasubramaniam

Paul St Mark Shadforth Thompson

Yan Zhao

Bruce Campbell Amm

Mark Ernest Vermilyea

Madabushi V Chari

Bu-Xin Xu

William D Barber

Tao Zhang

John Arthur Urbahn

Ernst Wolfgang Stautner

Constantinos Minas

Longzhi Jiang

Ye Bai

Johannes Martinus Van Oort

Ahmed K Kalafala

Liang Li

Gerald Burt Kliman

Manoj Ramprasad Shah

Bruce Alan Knudsen

Robert John Zabala

Timothy John Havens

Thomas Robert Raber

Donald W Jones

Robert John Nygard

Weijun Shen

Judson Sloan Marte

Albert Eugene Steinbach

Kiruba Sivasubramaniam Haran

Susumu Mine

James Pelligrino Alexander

Somanath Nagendra

Raymond E Gabis

Mark Gilbert Benz

Lembit Salasoo

Patrick Lee Jansen

Pierino Gianni Bonanni

Peter B Roemer

James Michael Fogarty

Richard Nils Dawson

Sergio Paulo Martins Loureiro

Burton D Hatch

Martin Kin-Fei Lee

Timothy James Hollis

Israel S Jacobs

Russell Stephen DeMuth

Jonathan Sebastian Janssen

Yihe Hua

Juliana Chiang Shei

David Thomas Ryan

Bruce B Gamble

Owen Scott Quirion

Harold Jay Patchen

Christopher Darby Immer

Jian-She Wang

William Dwight Gerstler

Bharat S Bagepalli

John Eric Tkaczyk

Curtis Alan Johnson

Fulton Jose Lopez

Otward M Mueller

Jeremy Daniel Van Dam

Aniruddha Dattatraya Gadre

Robert Michael Zirin

Kenneth William Rohling

Murtuza Lokhandwalla

Chao Yang

William Louis Einziger

Seung-Kyun Lee

Howard Roscoe Hart, Jr

John Scaturro, Jr

Jean-Baptiste Mathieu

Kenneth W Lay

Jalal Hunain Zia

Alexander Kagan

Delton A Grey, Jr

Sergio Martins Loureiro

Ruben Jeevanasan Fair

Randy Scott Longtin

William E Chen

Suyu Hou

Brian Ernest Baxter Gott

Sylvia Marie Decarr

Jay Zhiqiang Cao

A superconducting magnet system is provided. The superconducting magnet system includes a coil former, superconducting coils supported by the coil former, and one or more cooling assemblies. The cooling assemblies are in thermal contact with the coil former and include one or more cooling tubes for receiving a cryogen passed therethrough. The cooling assemblies are detachably mounted on the coil former and form at least one cooling circuit therein. The cooling assemblies include one or more flat surfaces attached on a surface of the coil former. A method of manufacturing the same is also provided.

Superconducting magnet system with cooling assembly

A system includes a storage tank storing gas. The storage tank includes a storage tank interface portion made from a first material. The system also includes a nozzle that includes a nozzle interface portion and a first portion. The first portion is made from a second material different from the first material. Additionally, the system includes a connection formed by coupling the storage tank interface portion and the nozzle interface portion to one another, and the connection is configured to maintain a leak rate of the gas equal to or less than 1&#xd7;10standard cubic centimeters per second (std. cc/s).

Systems and methods for storing and distributing gases

A quench protection apparatus includes a number N of superconducting coils and a heater matrix. The number N of superconducting coils are electrically coupled in series. The heater matrix module includes the number N of heater units. The number N of heater units is electrically coupled in parallel with the number N of superconducting coils respectively. A number M of the heater units each includes at least the number N of heaters. Each superconducting coil is thermally coupled with at least one heater of each of the number M of the heater units. The number of N-M of the heater units each includes at least one heater. Each of the number M of superconducting coils correspondingly coupled with the number M of the heater units is thermally coupled with at least one heater of each of the number N-M of the heater units. A superconducting magnet system protected by above quench protection apparatus is also provided.

Quench protection apparatus for superconducting magnet system

A magnetic resonance imaging system includes at least one gradient coil, at least one coil former, a thermal shield assembly, and at least one linking member. The at least one gradient coil generates at least one gradient field along at least one direction in response to pulsed signals. The at least one coil former is attached with at least one coil. The thermal shield assembly is arranged adjacent to the at least one coil former. The at least one linking member is configured for increasing mechanical rigidity of the thermal shield assembly by mechanically linking at least a part of the thermal shield assembly with the at least one coil former. As a result, mechanical vibrations of the thermal shield assembly can be reduced.

System for reducing thermal shield vibrations

A warm bore cylinder assembly having an outer wall, an inner wall, and a plurality of braces is provided. The outer wall is configured to define an inner exterior portion of a cryostat assembly. The outer wall is generally cylindrical, is made of a conductive material, and has an outer wall thickness. The inner wall is disposed radially inwardly of the outer wall. The inner wall is generally cylindrical, is made of a conductive material, and has an inner wall thickness. The braces extend along an axial direction defined by the outer wall and the inner wall. The plurality of braces are interposed between and join the outer wall and inner wall. The plurality of braces define openings disposed between adjacent braces.

Warm bore cylinder assembly

A cryocooler assembly for cooling a field winding of an electrical machine having an axis of rotation is provided. The assembly includes a cryocooler and a reservoir coupled in flow communication to the cryocooler and configured to contain a cooling agent. A flow assembly is coupled in flow communication to the reservoir. The flow assembly includes a first flow loop coupled in flow communication to the reservoir; a second flow loop coupled in flow communication to the reservoir; and a plurality of flow members coupled in flow communication to the first flow loop and the second flow loop and coupled to the field winding. Each flow member is configured to thermosiphon the cooling agent in a first state from the reservoir and in a second state to the reservoir.

Cooling assembly for electrical machines and methods of assembling the same

A high temperature superconducting (HTS) magnet coil disposed within a cryostat is configured with a thermo-siphon cooling system containing a liquid cryogen. The cooling system is configured to indirectly conduction cool the HTS magnet coil by nucleate boiling of the liquid cryogen that is circulated by the thermo-siphon in a cooling tube attached to a heat exchanger bonded to the outside surface of the HTS magnet coil. A supply dewar is configured with a re-condenser cryocooler coldhead to recondense boiloff vapors generated during the nucleate boiling process.

High temperature superconducting magnet

In embodiments of the invention, a superconductor lead is configured to have less ohmic heating by its own current and less heat conduction from room temperature to cryogenic temperature, where a cryogenic apparatus is located. The superconducting lead with no ohmic resistance and low thermal conductivity disclosed herein maximizes current capacity by placing superconductors in parallel, each having equal current. Thus, the resistances are controlled to provide uniform current distribution through each superconductor of the high temperature superconducting (HTS) lead.

Current lead for cryogenic apparatus

A vacuum feed-through assembly and a method for manufacturing the same including a conductor having a threaded outer diameter end, a plastic seal having a threaded inner diameter matching the threaded outer diameter end of the conductor, and an epoxy to epoxy bond the threaded inner diameter of the plastic seal to the threaded outer diameter end of the conductor.

Vacuum feed-through assembly

A superconducting magnet system includes a coil support structure, superconducting coils, and electrically and thermally conductive windings. The superconducting coils and the conductive windings are supported by the coil support structure. Each conductive winding is electromagnetically coupled with a corresponding superconducting coil. Each conductive winding is electrically shorted.

Superconducting magnet system

A wire disposing assembly having a support, an axial traverser sub-assembly, a support arm, and a linear stage is provided. The support is configured to receive a plurality of turns of a wire, where the support is configured to rotate. The axial traverser sub-assembly is operatively coupled to the support. Further, a rate of motion of the axial traverser sub-assembly is coupled to a speed of rotation of the support. The support arm includes a resin unit configured to dispose resin on at least a portion of the wire, and a wire disposing device configured to guide a portion of the wire being disposed on a surface of the support. The linear stage is operatively coupled to the support arm.

Systems for producing precision magnetic coil windings

Method for joining wires using low resistivity joints is provided. More specifically, methods of joining one or more wires having superconductive filaments, such as magnesium diboride filaments, are provided. The wires are joined by a low resistivity joint to form wires of a desired length for applications, such in medical imaging applications.

Methods for making low resistivity joints

A system for producing precision magnetic coil windings is provided. The system includes a wire disposing assembly having a support, an axial traverser sub-assembly, and a support arm. The support is configured to receive a plurality of turns of a wire. The axial traverser sub-assembly is operatively coupled to the support. The support arm includes a wire disposing device. The system further includes a linear stage, a monitoring unit, a feedback unit, and a controller unit. The linear stage is operatively coupled to the support arm. Moreover, the controller unit is configured to axially position an incoming portion of the wire and provide reference trajectories for tracking.

A current lead assembly for minimizing heat load to a conduction cooled superconducting magnet during a ramp operation is provided. The current lead assembly includes a vacuum chamber having a through hole to enable a retractable current lead having a retractable contact to penetrate within the vacuum chamber. A superconducting magnet is arranged inside of the vacuum chamber and includes a magnet lead. A current contact is arranged inside of the vacuum chamber beneath the through-hole and is coupled to the magnet lead via a thermal connector. The current contact is supported by a thermal isolation support structure coupled to an inside wall of the vacuum chamber. An actuator assembly is provided to contact the retractable contact with the current contact, where connection occurs at ambient temperature inside of the thermal isolation support structure.

Retractable current lead

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Schenectady, NY, United States of America

Evangelos Trifon Laskaris