Patents Assigned to Hankison Division of Hansen, Inc.
  • Gas drying or fractioning apparatus and method
    Patent number: 4941894
    Abstract: A novel pressure swing type desiccant dryer for separating a gas fraction such as water vapor from a gas mixture, and a novel demand control system and method for controlling the operating cycle of such a dryer by variation of the time duration of a drying or a regeneration cycle portion in a manner to satisfy prescribed conditions of energy transfer, as indicated preferably by temperature variations which occur over time in the drying and regeneration cycle portions.
    Type: Grant
    Filed: April 12, 1988
    Date of Patent: July 17, 1990
    Assignee: Hankison Division of Hansen, Inc.
    Inventor: James B. Black