Patents Assigned to Pratt & Whitney Corp.
  • Hybrid inlet
    Patent number: 6990798
    Abstract: A turboprop powerplant with at least a compressor having a forward compressor inlet and a shaft extending axially through the compressor and having a shaft axis, an inlet duct encircling the shaft passing therethrough, the inlet duct having an aft end in gas communication with the compressor inlet and a forward end having at least two branches each with an inlet orifice, each inlet orifice having a centroid in a radial plane through and transverse to the shaft axis, the centroids and shaft axis defining an angle less than 180°.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: January 31, 2006
    Assignee: Pratt & Whitney Corp.
    Inventors: Guy Bouchard, Zenon Szlanta, Lazar Mitrovic