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특허 상세정보

Reactive orthotropic lattice diffuser for noise reduction

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B64C-003/50    B64C-001/40   
출원번호 US-0764062 (2013-02-11)
등록번호 US-9227719 (2016-01-05)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Edwards, Robin W.
인용정보 피인용 횟수 : 1  인용 특허 : 26
초록

An orthotropic lattice structure interconnects porous surfaces of the flap with internal lattice-structured perforations to equalize the steady pressure field on the flap surfaces adjacent to the end and to reduce the amplitude of the fluctuations in the flow field near the flap end. The global communication that exists within all of the perforations provides the mechanism to lessen the pressure gradients experienced by the end portion of the flap. In addition to having diffusive effects (diffusing the incoming flow), the three-dimensional orthogonal lat...

대표
청구항

1. A flap of the type that is movably connected to an aircraft wing to provide control of an aircraft in flight, the flap comprising: an elongated flap structure defining inboard and outboard ends and forward and rearward portions extending between the inboard and outboard ends, the elongated flap structure defining an upper side extending between the inboard and outboard ends and between the forward and rearward portions, and a lower side, wherein the upper side generally faces upwardly in use, and the lower side generally faces downwardly in use, and w...

이 특허에 인용된 특허 (26)

  1. Harper, Cedric B.. Acoustic liners. USP2011067967108.
  2. Shmilovich, Arvin; Yadlin, Yoram; Clark, Roger W.. Active systems and methods for controlling an airfoil vortex. USP2011098016244.
  3. Mau, Knut; Grünewald, Michael; Reichenberger, Johann; Borchers, Ingo; Drobietz, Roger. Aerodynamic flap of an aircraft having a device which influences the flap vortex. USP2012018096513.
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  17. Lin, Juhn-Shyue; Hoffman, Herbert L.; Chewning, Gary R.; Kosanchick, III, Melvin; Poling, Hugh. Particle-filled wing-to-body fairing and method for reducing fairing vibrations. USP2011118056850.
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