| 发明名称 |
DISPOSITIF DE SECURITE A DECLENCHEMENT AUTOMATIQUE ET A CLAPET DOUBLE POUR CONTROLER LE DEBIT D'UN FLUIDE |
| 摘要 |
<p>Safety device includes annular obturator (4) mounted on external periphery of tube (1). Obturator is radially separated from pipe (K) by annular space (EA) which offers to gas a peripheral flowpath. As soon as flowrate in pipe reaches high levels, obturator is radially bulges out, due to important energy loss of gas in movement, and obturator blocks off peripheral flowpath.</p> |
| 申请公布号 |
FR2843437(B1) |
申请公布日期 |
2004.09.24 |
| 申请号 |
FR20020010172 |
申请日期 |
2002.08.09 |
| 申请人 |
SERVICE NATIONAL DIT GAZ DE FRANCE |
发明人 |
DELPRAT CYRILLE;LEME DAVID;BOUAJAJ LAHOUARI;PINEAU SYLVAIN |
| 分类号 |
F16K17/34;F16L55/132;(IPC1-7):F16K17/34;F16L55/10;F17D5/00 |
主分类号 |
F16K17/34 |
| 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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