发明名称 |
WIND TUNNEL |
摘要 |
<p>A wind tunnel consisting of a closed loop passageway including a test station and an impellor for producing an air stream through such passageway, a device for detecting the standing sound wave of such air stream at the test station and control means responsive to such standing sound wave for propagating at least one sound wave of a selected phase at a point in such air stream to nullify such standing sound wave.</p> |
申请公布号 |
EP0894253(A1) |
申请公布日期 |
1999.02.03 |
申请号 |
EP19980904093 |
申请日期 |
1998.01.19 |
申请人 |
AUDI AG |
发明人 |
WICKERN, GERHARD;WALLMANN, STEFFEN;VON HEESEN, WILHELM |
分类号 |
G01M9/04;(IPC1-7):G01M9/04 |
主分类号 |
G01M9/04 |
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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