Patents Represented by Law Firm Franch and Doescher
  • Automatic drying tower switching system
    Patent number: 4504286
    Abstract: In a process in which parallel dehydrating towers are utilized to remove water from a wet gas, the amount of water provided to a desicant bed contained in a drying tower during a drying cycle is determined and compared to the capacity of the desicant bed. This comparison is utilized to override control based on a moisture analyzer in such a manner that switching between the two dehydrating towers is accomplished even if the moisture analyzer fails.
    Type: Grant
    Filed: April 25, 1984
    Date of Patent: March 12, 1985
    Assignee: Phillips Petroleum Company
    Inventors: Thomas A. Carlisle, Phillip R. Smith, Frank H. Thorn, deceased