Patents by Inventor Paul Durcan

Paul Durcan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Steam shower having improved maintenance access
    Patent number: 8187426
    Abstract: A steam shower is provided for supplying steam to a web in a paper machine. The steam shower includes a diffuser assembly mounted to the cross-beam for movement in the direction of the longitudinal axis of the cross beam. The cross-beam defines an interior steam header for connection to a source of steam. The diffuser assembly includes a plurality of separated steam compartments. The diffuser assembly may be part of a steam provision assembly that is also mounted to the cross-beam for movement in the direction of the longitudinal axis of the cross beam. In addition to the diffuser assembly, the steam provision assembly includes a second steam header and steam valve modules.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: May 29, 2012
    Assignee: ABB Ltd.
    Inventors: John Spachman, Shizhong S. Duan, David Doerschuk, Paul Durcan
  • STEAM SHOWER HAVING IMPROVED MAINTENANCE ACCESS
    Publication number: 20090294085
    Abstract: A steam shower is provided for supplying steam to a web in a paper machine. The steam shower includes a diffuser assembly mounted to the cross-beam for movement in the direction of the longitudinal axis of the cross beam. The cross-beam defines an interior steam header for connection to a source of steam. The diffuser assembly includes a plurality of separated steam compartments. The diffuser assembly may be part of a steam provision assembly that is also mounted to the cross-beam for movement in the direction of the longitudinal axis of the cross beam. In addition to the diffuser assembly, the steam provision assembly includes a second steam header and steam valve modules.
    Type: Application
    Filed: May 21, 2009
    Publication date: December 3, 2009
    Applicant: ABB LTD.
    Inventors: John Spachman, Shizhong S. Duan, David Doerschuk, Paul Durcan