发明名称 |
TVANGSSTYRD LJUDALSTRARE FOR INFRALJUDOMRADET |
摘要 |
A positively controlled sound producer for regulated delivery of pressure gas pulses from a pressure gas line (7) to a resonator (1). The sound producer comprises a valve sleeve (9) which is disposed coaxially on the pressure gas line and is rotatably mounted thereon by means of roller bearings (10), said valve sleeve being connected to a prime mover (6) and being provided with openings (14) for cooperating with openings (15) in the pressure gas line when the valve sleeve is rotated for regulating the delivery of pressure gas pulses from the pressure gas line. |
申请公布号 |
SE425597(B) |
申请公布日期 |
1982.10.18 |
申请号 |
SE19800007150 |
申请日期 |
1980.10.13 |
申请人 |
EKSTROMS VERMETEKNISKA AB |
发明人 |
P B * FRANSMAN |
分类号 |
G10K7/02;(IPC1-7):06B1/20;10K7/02 |
主分类号 |
G10K7/02 |
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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