Patents Assigned to Rolls-Royce Coporation
  • FLUID DIODES WITH RIDGES TO CONTROL BOUNDARY LAYER IN AXIAL COMPRESSOR STATOR VANE
    Publication number: 20180195528
    Abstract: An entrance stator in a turbofan has an airfoil shape with a leading edge and a trailing edge connected by surfaces which define a suction side and a pressure side. The entrance stator has a channel with an opening on the pressure side, extending to an exit on the suction side, having a pressure gradient between the opening and the exit. The channels are preceded with a ridge. The channels and the ridges control the boundary layer, enabling higher efficiencies. The channels and ridges add energy to the boundary layer to prevent separation.
    Type: Application
    Filed: January 9, 2017
    Publication date: July 12, 2018
    Applicant: Rolls-Royce Coporation
    Inventor: Masayoshi Shimo