公开(公告)号：US20090236350A1

公开(公告)日：2009-09-24

申请号：US12404478

申请日：2009-03-16

申请人： Natsushi MIURA

发明人： Natsushi MIURA

IPC分类号： B65D90/22 ,  F16K31/18 ,  B60K15/035

CPC分类号： F16K24/044 ,  B60K15/03504 ,  B60K15/03519 ,  F16K17/196 ,  Y10T137/0874 ,  Y10T137/7358

摘要： The fuel tank ventilating device includes a fuel cutoff device, and a connector pipe connecting the fuel cutoff device with a canister. The fuel cutoff device includes a first fuel cutoff valve, a second fuel cutoff valve, and a positive pressure valve; the first flow pipe and the second flow pipe are connected to a third flow pipe by a connecting part, and are connected to the canister. With the first fuel cutoff valve in a first submersion state, fuel that has collected in the first flow pipe will be returned to the fuel tank on the basis of a differential pressure between tank internal pressure and the pipe internal pressure bearing on the fuel inside the first flow pipe. With the first fuel cutoff valve in a submersion state, fuel that has leaked into the second flow pipe will not reach the connecting part.

摘要翻译： 燃料箱通风装置包括燃料切断装置和将燃料切断装置与罐连接的连接管。 燃料切断装置包括第一燃料切断阀，第二燃料切断阀和正压阀; 第一流管和第二流管通过连接部连接到第三流管，并且连接到罐。 当第一燃料切断阀处于第一浸没状态时，已经收集在第一流管中的燃料将基于罐内压力与内部燃料上的管内压力之间的压差而返回到燃料箱 第一流管。 在第一燃料切断阀处于浸没状态时，泄漏到第二流管中的燃料将不会到达连接部分。