Patents Assigned to Pratt & Whintey Canada
  • Offset ribs for heat transfer surface
    Patent number: 5052889
    Abstract: Augmenting ribs (40) of zig-zag configuration are provided on a heat transfer surface (38) for increasing local heat transfer in a selected zone (68,70) of the surface (38).
    Type: Grant
    Filed: May 17, 1990
    Date of Patent: October 1, 1991
    Assignee: Pratt & Whintey Canada
    Inventor: William Abdel-Messeh