发明名称 |
System for reducing aircraft noise and hush kit |
摘要 |
A system is provided for existing three-engine jet aircraft to reduce the noise levels at take-off and landing in order to meet governmental noise regulations. The system is particularly suitable for 727-200 aircraft having three JT8D engines. A hush kit is formed of the modified components for installation in existing airplanes.
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申请公布号 |
US4836469(A) |
申请公布日期 |
1989.06.06 |
申请号 |
US19870055635 |
申请日期 |
1987.05.29 |
申请人 |
VALSAN PARTNERS LIMITED PARTNERSHIP |
发明人 |
WAGENFELD, ROBERT E. |
分类号 |
B64C1/40;B64D33/04;F02K1/46;F02K1/82 |
主分类号 |
B64C1/40 |
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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