发明名称 |
Acoustic board with an improved composite structure |
摘要 |
An acoustic board with an improved composite structure (1), suitable for reducing the sound of aircraft engines, wherein an upper layer consists of a fabric (7) having a high sensitivity to sound velocity and a supporting sheet (4) having a certain porosity; the upper layer is combined, in turn, with an intermediate honeycomb layer (2) and with a lower layer (5) of the conventional type.
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申请公布号 |
US2002094412(A1) |
申请公布日期 |
2002.07.18 |
申请号 |
US20020043551 |
申请日期 |
2002.01.11 |
申请人 |
MURRAY PAUL;BATTINI MASSIMO |
发明人 |
MURRAY PAUL;BATTINI MASSIMO |
分类号 |
B64C1/00;B32B3/12;B64C1/40;G10K11/162;G10K11/172;(IPC1-7):B32B3/12 |
主分类号 |
B64C1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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