Patents Assigned to GE Medical Systems Global Technology Co., LLC a Delaware limited liability company
  • Liquid helium level sensor for use in a cryogenic environment and method for assembling same
    Publication number: 20040226364
    Abstract: The present invention provides a method and apparatus for measuring the level of a liquid cryogen. The invention provides for use of a current source (52), a length, or multiple lengths, of superconducting filament (40) situated within a cryostat (1) containing a cryogenic fluid (2) and a voltmeter (51) for measuring the voltage drop across the filament (40). The invention further provides a method for using said apparatus.
    Type: Application
    Filed: May 16, 2003
    Publication date: November 18, 2004
    Applicant: GE Medical Systems Global Technology Co., LLC a Delaware limited liability company
    Inventors: Minfeng Xu, Weijun Shen, Stephen R. Elgin