中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

7 records (took 0.014 seconds)

    Turbofan engine comprising a set of rotatable blades for blocking off the bypass flow duct
    1.
    发明授权
    Turbofan engine comprising a set of rotatable blades for blocking off the bypass flow duct 有权

    公开(公告)号：US11486335B2

    公开(公告)日：2022-11-01

    申请号：US17516251

    申请日：2021-11-01

    Applicant: Airbus Operations SAS

    Inventor： Fabien Menou ,  Laurent Cazeaux ,  Thierry Gaches

    IPC: F02K3/02 ,  F02K1/70 ,  F02K1/74

    Abstract: A turbofan engine having a duct for a bypass flow and blades. Each blade is mobile between a stowed position and a deployed position. Each blade includes a rigid core a second, free end, and a sheath into which the core and the second end slide. Each sheath includes a first part which surrounds at least one part of the core and the second end, and an aileron which extends beyond the core facing the first part of the adjacent blade. The sheath is made of a flexible material such that the bypass flow causes the sheath to come into contact with the first part of the adjacent blade. A turbofan engine of this kind makes it possible to create blades whose production costs are low but whose aerodynamic behavior is effective.

    Nacelle of a turbojet comprising a blocking door and a system for deployment of the blocking door
    4.
    发明授权
    Nacelle of a turbojet comprising a blocking door and a system for deployment of the blocking door 有权

    公开(公告)号：US11193450B2

    公开(公告)日：2021-12-07

    申请号：US16791372

    申请日：2020-02-14

    Applicant: Airbus Operations SAS

    Inventor： Sreekanth Ganapathi Raju ,  Benoit Orteu ,  Laurent Cazeaux ,  Olivier Denoy

    IPC: F02K1/72 ,  F02K1/60

    Abstract: A nacelle comprising a fixed structure with a fixed cowling and a cowling movable in translation between closed and open positions, to open an opening between a duct and the exterior. A blocking door is rotatably movable on the movable cowling between a stowed position and a deployed position. A deployment system comprises an arm with a first end articulated on the blocking door and a second end that bears a stop, a slider fixed to the arm, a linear guide system is fixed on the fixed structure and guides the slide, and a cam. The stop is configured to lie against the cam when the movable cowling reaches an intermediate position from the closed position and to be guided by the cam to drive the rotation of the arm about the slider when the movable cowling moves from the intermediate position to an open position.

    Turbofan comprising a cam actuating a set of rotatable blades for blocking off the bypass flow duct
    5.
    发明授权
    Turbofan comprising a cam actuating a set of rotatable blades for blocking off the bypass flow duct 有权

    公开(公告)号：US11187190B2

    公开(公告)日：2021-11-30

    申请号：US16926973

    申请日：2020-07-13

    Applicant: Airbus Operations SAS

    Inventor： Laurent Cazeaux ,  Antoine Boudou

    IPC: F02K1/72 ,  F02K1/76

    Abstract: A turbofan having a nacelle comprising a slider being mobile in translation between an advanced position and a retracted position to open a window between a duct and the exterior, a plurality of blades, each one being mobile in rotation on the slider between a stowed position and a deployed position, and a maneuvering system that moves each blade. The maneuvering system comprises, for each blade, a shaft being mobile in rotation on the slider and on which the blade is fixed, a toothed sector being fixed to the shaft, a toothed arc being mobile in rotation on the slider, and having a bearing face, a threaded rod mounted fixed on the fixed structure, a cam having a tapped hole screwed onto the threaded rod and mounted fixed in translation with respect to the slider, and a return arrangement that presses the bearing face against the cam outer surface.

Patent Agency Ranking