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    • 1. 发明授权
    • Acoustic panel
    • 声学面板
    • US07971684B2
    • 2011-07-05
    • US12528017
    • 2008-02-19
    • Fabrice GantieBernard DuprieuValerie FrustieAlain PorteThomas GillesJacques Lalane
    • Fabrice GantieBernard DuprieuValerie FrustieAlain PorteThomas GillesJacques Lalane
    • E04B1/82
    • G10K11/172F02C7/24F02K1/827G10K11/168
    • A panel for acoustic treatment connected to a surface of an aircraft, includes—from the outside to the inside—an acoustically resistive porous layer, at least one alveolar structure, and a reflective or impermeable layer, whereby the acoustically resistive porous layer includes—at the outside surface that can be in contact with the aerodynamic flows—one sheet or piece of sheet metal including open zones (14) that allow sound waves to pass and filled zones (16) that do not allow sound waves to pass, characterized in that the sheet or piece of sheet metal of the acoustically resistive layer includes sets of microperforations (18), whereby each set of microperforations forms an open zone (14), the sets of microperforations being separated from one another by at least one series of bands separated by filled zones (16).
    • 连接到飞行器表面的用于声学处理的面板包括从外部到内部的声阻多孔层,至少一个肺泡结构以及反射或不可渗透层,其中所述声阻多孔层包括 可以与气动流动接触的外表面 - 包括允许声波通过并且不允许声波通过的区域(16)的开放区域(14)的一片或片状金属片,其特征在于, 阻声层的片状物或片状物包括一组微穿孔(18),由此每组微穿孔形成开放区域(14),所述微穿孔组彼此分开至少一系列带分离 通过填充区(16)。
    • 4. 发明申请
    • ACOUSTIC PROCESSING STRUCTURE PARTICULARLY ADAPTED TO THE AIR INLET OF AN AIRCRAFT NACELLE
    • 气动加工结构特别适用于飞机空气入口
    • US20100276548A1
    • 2010-11-04
    • US12809742
    • 2008-12-16
    • Alain PorteJacques LalaneFabrice GantieJacques Barillot-Creuzet
    • Alain PorteJacques LalaneFabrice GantieJacques Barillot-Creuzet
    • B64D33/02
    • B64D33/02B64D15/04B64D2033/0206B64D2033/0233
    • An acoustic treatment structure related to a leading edge onto which an aerodynamic stream flows, in particular at an air intake of an aircraft nacelle, includes—from the outside to the inside—at least one acoustically resistive substructure (30), at least one alveolar substructure including strips (32) of cells, arranged in a direction that is essentially perpendicular to the direction of flow of the aerodynamic stream, and at least one reflective layer (34). Each strip (32) includes a first part that insulates the strips from one another, called a support, with a U-shaped cross-section in the longitudinal direction, whose open surface that is opposite to the bottom of the U shape is flattened against the acoustically resistive substructure (30), and at least a second part, called partitioning, making it possible to partition the space that is delimited by the support and the acoustically resistive substructure (30) into cells.
    • 与空气动力流流动的前缘相关联的声学处理结构,特别是在飞机机舱的空气入口处,包括 - 从外部至内部至少一个声阻子结构(30),至少一个肺泡 子结构,包括沿基本上垂直于空气动力流的流动方向布置的细胞条带(32),以及至少一个反射层(34)。 每个条带(32)包括第一部分,其将条带彼此绝缘,称为支撑件,其在纵向方向上具有U形横截面,其与U形底部相对的开口表面被平坦化 声阻抗子结构(30)和至少第二部分(称为分割),使得可以将由支撑体和声阻子结构(30)限定的空间分隔成单元。
    • 8. 发明授权
    • Acoustic processing structure particularly adapted to the air inlet of an aircraft nacelle
    • 声学处理结构特别适用于飞机机舱的进气口
    • US08413922B2
    • 2013-04-09
    • US12809742
    • 2008-12-16
    • Alain PorteJacques LalaneFabrice GantieJacques Barillot-Creuzet
    • Alain PorteJacques LalaneFabrice GantieJacques Barillot-Creuzet
    • B64D33/02B64D15/04
    • B64D33/02B64D15/04B64D2033/0206B64D2033/0233
    • An acoustic treatment structure related to a leading edge onto which an aerodynamic stream flows, in particular at an air intake of an aircraft nacelle, includes—from the outside to the inside—at least one acoustically resistive substructure (30), at least one alveolar substructure including strips (32) of cells, arranged in a direction that is essentially perpendicular to the direction of flow of the aerodynamic stream, and at least one reflective layer (34). Each strip (32) includes a first part that insulates the strips from one another, called a support, with a U-shaped cross-section in the longitudinal direction, whose open surface that is opposite to the bottom of the U shape is flattened against the acoustically resistive substructure (30), and at least a second part, called partitioning, making it possible to partition the space that is delimited by the support and the acoustically resistive substructure (30) into cells.
    • 与空气动力流流动的前缘相关联的声学处理结构,特别是在飞机机舱的空气入口处,包括 - 从外部至内部至少一个声阻子结构(30),至少一个肺泡 子结构,包括沿基本上垂直于空气动力流的流动方向布置的细胞条带(32),以及至少一个反射层(34)。 每个条带(32)包括第一部分,其将条带彼此绝缘,称为支撑件,其在纵向方向上具有U形横截面,其与U形底部相对的开口表面被平坦化 声阻抗子结构(30)和至少第二部分(称为分割),使得可以将由支撑体和声阻子结构(30)限定的空间分隔成单元。