Invention Grant
US08127532B2 Pivoting fan nozzle nacelle 有权
旋转风扇喷嘴机舱

  • Patent Title: Pivoting fan nozzle nacelle
  • Patent Title (中): 旋转风扇喷嘴机舱
  • Application No.: US12323951
    Application Date: 2008-11-26
  • Publication No.: US08127532B2
    Publication Date: 2012-03-06
  • Inventor: Mark E. Howe
  • Applicant: Mark E. Howe
  • Applicant Address: US IL Chicago
  • Assignee: The Boeing Company
  • Current Assignee: The Boeing Company
  • Current Assignee Address: US IL Chicago
  • Main IPC: F02K3/02
  • IPC: F02K3/02
Pivoting fan nozzle nacelle
Abstract:
A variable area nozzle system for a gas turbine engine includes a fan duct inner wall, a fan duct outer wall disposed in radially spaced relation to the fan duct inner wall, and a fan nozzle. The fan nozzle defines at least a portion of the fan duct outer wall and includes a nozzle aft edge. The fan duct inner wall and the nozzle aft edge collectively define a fan duct nozzle throat area. The fan nozzle is configured to pivot about a pivot axis that may be oriented transversely relative to a longitudinal axis of the gas turbine engine. The fan nozzle may be pivoted from a stowed position to a deployed position in order to vary the fan duct nozzle throat area.
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