Patents Assigned to Pratt & Whitney Canada Cororation
  • Combustor with improved swirl
    Patent number: 7628020
    Abstract: A combustor having a combustor wall with a plurality of angled effusion holes defined therethrough. The tangential component of the hole direction of the effusion holes corresponds to a same rotational direction about the central axis of the combustor. The effusion holes directional arrangement is angled from a radial plane and the combustor liner surfaces in order to promote swirl at the combustor exit.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: December 8, 2009
    Assignee: Pratt & Whitney Canada Cororation
    Inventors: Hisham Alkabie, Oleg Morenko, Kian McCaldon
  • Simple axial retention feature for abradable members
    Patent number: 7625177
    Abstract: An abradable member, such as gas turbine engine seal for rotary components, is restrained against axial movement relative to an adjacent component via a lip retention engagement.
    Type: Grant
    Filed: August 31, 2006
    Date of Patent: December 1, 2009
    Assignee: Pratt & Whitney Canada Cororation
    Inventor: Richard Ivakitch