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    • 9. 发明授权
    • Method of fabricating an acoustic liner
    • 制造声学衬垫的方法
    • US06176964B1
    • 2001-01-23
    • US08954270
    • 1997-10-20
    • Charles A. ParenteCharles J. Weizenecker
    • Charles A. ParenteCharles J. Weizenecker
    • C09J510
    • G10K11/172Y10T442/11
    • An acoustic liner employable in jet engine housing construction for sound absorption such as for inclusion in nacelle components. The liner has a solid backface sheet having a surface to which is attached a first side of a honeycomb core structure. Attached to the opposing second side of the honeycomb core structure is a mesh structure to which is attached a perforated face sheet to be exposed to the exterior. As is thus apparent, the liner of the present invention provides a mesh situated below a protective perforate sheet. This construction produces an acoustic liner having substantially the efficiency of a linear liner system and the durability of a perforate face sheet system.
    • 声学衬垫可用于喷气发动机壳体结构中用于吸声,例如包含在机舱部件中。 衬垫具有固体背面片,其表面附着有蜂窝芯结构的第一侧。 与蜂窝芯结构的相对的第二侧相邻的是网状结构,其上附着有暴露于外部的穿孔面片。 如此显而易见的是,本发明的衬垫提供了位于保护穿孔片下方的网。 这种结构产生具有基本上线性衬垫系统的效率和穿孔面片系统的耐久性的声学衬垫。