| 摘要 |
<p>The device (10) has a ring (12) defining a sliding, and a set of flaps (18) is actuated by the ring for closing a fluid passage or fluid transport pipe e.g. pipeline, when fluid flow exceeds a predetermined rate of fluid flow. A latch (20) is provided for triggering threshold of the sliding of the ring. The ring operates the flap by rotation movement. A projection (34) is provided integral with the ring. The flaps are provided with a cam follower (30) that cooperated with a cam (32). An independent claim is also included for a method for controlling a fluid transport pipe.</p> |
