1
Longzhi Jiang
Longzhi Jiang, Clifford Ginfrida Jr, Neil Clarke, Weijun Shen, Ernst Wolfgang Stautner, Tao Zhang, Robbi McDonald: Superconducting magnet coil support with cooling and method for coil-cooling. General Electric Company, The Small Patent Law Group, Dean D Small, March 18, 2014: US08676282 (1 worldwide citation)

A superconducting magnet coil support with cooling and a method for coil cooling are provided. One superconducting coil support arrangement includes a superconducting coil and at least one support beam supporting the superconducting coil and defining a tank for storing a cooling fluid therein. The s ...


2
Longzhi Jiang
Longzhi Jiang, Clifford Ginfrida JR, Neil Clarke, Weijun Shen, Ernst Wolfgang Stautner, Tao Zhang, Robbi McDonald: Superconducting magnet coil support with cooling and method for coil-cooling. May 3, 2012: US20120108433-A1

A superconducting magnet coil support with cooling and a method for coil cooling are provided. One superconducting coil support arrangement includes a superconducting coil and at least one support beam supporting the superconducting coil and defining a tank for storing a cooling fluid therein. The s ...


3
Longzhi Jiang
Ernst Wolfgang Stautner, Kathleen Melanie Amm, Robbi Lynn McDonald, Anthony Mantone, John Scaturro JR, Longzhi Jiang, Weijun Shen: Penetration tube assemblies for reducing cryostat heat load. General Electric Company, December 6, 2012: US20120306492-A1

A penetration assembly for a cryostat is presented. The penetration assembly includes an outer wall member having a first end and a second end and configured to alter an effective thermal length of the wall member, wherein a first end of the tube is communicatively coupled to a high temperature regi ...


4
Longzhi Jiang
Ernst Wolfgang Stautner, Kathleen Melanie Amm, Robbi Lynn McDonald, Anthony Mantone, John Scaturro JR, Longzhi Jiang, Weijun Shen: Penetration tube assemblies for reducing cryostat heat load. General Electric Company, December 6, 2012: US20120309630-A1

A penetration assembly for a cryostat is presented. The penetration assembly includes a wall member having a first end and a second end and configured to alter an effective thermal length of the wall member, where a first end of the wall member is communicatively coupled to a high temperature region ...


5
Bu Xin Xu, Weijun Shen: System and method for adjusting magnetic center field for permanent MRI magnetic field generator. G E Medical Systems Global Technology Co, McAndrews Held & Malloy, October 26, 2004: US06809619 (9 worldwide citation)

The present invention relates to a method and system for adjusting a magnetic center field of a magnetic field generator in an MRI. One embodiment of the presenting invention relates to a magnetic field generator system having a magnetic center field. This embodiment comprises opposing posts and opp ...


6
William E Wei Chen, Jinhua Huang, Ronald Floyd Lochner, Weijun Shen, Geer Ward, Bu Xin Xu: Method for assembling magnetic members for magnetic resonance imaging magnetic field generator. GE Medical Systems Global Technology Company, Cantor Colburn, December 16, 2003: US06664878 (8 worldwide citation)

Disclosed herein is a method for assembling a magnetic field generator for a magnetic resonance imaging system. The method comprises: establishing an arrangement for a permanent magnet of a magnet assembly comprising a ferromagnetic yoke plate and a permanent magnet, wherein the arrangement includes ...


7
Weijun Shen, Jinhua Huang: Methods and apparatus for imaging systems. GE Medical Systems Global Technology Company, Carl B Horton Esq, Armstrong Teasdale, November 1, 2005: US06960914 (7 worldwide citation)

A method of operating an imaging system having a main coil and a shield coil electromagnetically coupled to the main coil, wherein the method includes monitoring for an external environmental fluctuation of electromagnetism, and controlling current flow through the main and shield coils based upon t ...


8
Weijun Shen: Method and apparatus for field drift compensation of a superconducting magnet. General Electric Company, Cantor Colburn, June 20, 2006: US07064550 (5 worldwide citation)

A method and apparatus for magnetic field drift compensation for a superconducting magnet system includes electrically coupling a micro-flux injection system to a secondary B0 superconducting coil in a secondary compensation circuit; magnetically coupling the secondary compensation circuit to the su ...


9
Peter M McIntyre, Weijun Shen, Dan A Gross: Magnetic resonance logging instrument. Global Petroleum Resouces Institute, Stacy S Cook Esq, November 30, 1999: US05994901 (4 worldwide citation)

A magnetic resonance logging instrument is provided. The magnetic resonance logging instrument (10) may comprise a superconducting magnet system (12) operable to produce a static magnetic field and disposed within a housing (19). An antenna system (14) operable to produce and sense a radio frequency ...


10
Jinsheng Zheng, Jinhua Huang, Ronald Floyd Lochner, Weijun Shen, Hideaki Uno, Geer Ward, Bu Xin Xu: Methods and apparatus for positioning permanent magnetic blocks. GE Medical Systems Global Technology Company, Carl B Horton Esq, Armstrong Teasdale, February 22, 2005: US06859123 (3 worldwide citation)

A method for positioning permanent magnetic blocks includes providing a plurality of magnetized blocks, positioning the magnetized blocks on a yoke in a row by applying a mechanical force at a first end of the row with a first clamping member and at a second end of the row with a second clamping mem ...