Double Current D. C. Machines Patents (Class 310/137)
Dynamotor type (Class 310/138)
Hetero-axial excitation (Class 310/139)
  • Fluid separation assembly having an purge control valve
    Patent number: 5411662
    Abstract: The invention relates to a hollow fiber membrane fluid separation assembly having an integral purge control valve or a purge fluid reflux system, which provides a sweep fluid port internal to the assembly. This assembly is useful for, among other things, separating water vapor from a gas stream.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: May 2, 1995
    Assignee: Praxair Technology, Inc.
    Inventors: Patrick S. Nicolas, Jr., Benjamin Bikson, Salvatore Giglia, David R. Thompson