FLUTTER EXCITER |
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| 申请号 | PCT/IB0101497 | 申请日 | 2001-08-20 | 公开(公告)号 | WO0216900A3 | 公开(公告)日 | 2002-05-02 |
| 申请人 | CSIR; ZYL LOUWRENS HERMIAS VAN; | 发明人 | VAN ZYL LOUWRENS HERMIAS; | ||||
| 摘要 | A flutter exciter includes first and second impellers rotatably connected together by coupling means and rotatable about a common axis in opposite directions, each impeller having at least one vane so that fluid flowing over the vanes causes the impellers to rotate and each to generate a rotating force, the resultant of the rotating forces being an oscillating substantially rectilinear excitation force. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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