| 发明名称 |
Fluid conduit having a variable inner diameter |
| 摘要 |
A flow measuring or flow metering device having a dynamically variable inner diameter. The flow device uses electrorheological fluid to support an inner flexible membrane. The quantity of electrorheological fluid is varied to change the inner diameter of the flexible membrane.
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| 申请公布号 |
US5316261(A) |
申请公布日期 |
1994.05.31 |
| 申请号 |
US19920966476 |
申请日期 |
1992.10.26 |
| 申请人 |
NORTHERN RESEARCH & ENGINEERING CORP. |
发明人 |
STONER, GEORGE S. |
| 分类号 |
G01F1/40;G01F1/42;G05D7/06;(IPC1-7):F16K7/07;F16K31/02 |
主分类号 |
G01F1/40 |
| 代理机构 |
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代理人 |
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