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    VALVE DEVICE FOR FUEL TANK
    13.
    发明公开
    VALVE DEVICE FOR FUEL TANK 审中-公开

    公开(公告)号：EP3599122A1

    公开(公告)日：2020-01-29

    申请号：EP19185771.3

    申请日：2019-07-11

    申请人： Nifco Inc.

    发明人： HE, Mingliang ,  SUI, Xiaohui ,  WASHIO, Yousuke

    IPC分类号： B60K15/035 ,  F16K31/18

    摘要： In a valve device for a fuel tank, a condition of blowing out a fuel to an outside of a fuel tank can be prevented as little as possible. The valve device includes a valve opening (1) for communicating inside and outside of the fuel tank; a valve chamber (3) formed below the valve opening; and a float disposed inside the valve chamber to be movable up and down, and the valve chamber has a structure of positioning an open end below a support portion of the float having a passage portion for a fluid. An orifice (2) is formed in the support portion, and by a notch portion (23) formed in the valve chamber, an entrance of an orifice-ventilation path communicating with the orifice is formed at a side lower than the support portion and at a side upper than the open end.
    Fig. 4

    VALVE DEVICE FOR FUEL TANK
    14.
    发明公开
    VALVE DEVICE FOR FUEL TANK 审中-公开

    公开(公告)号：EP3599121A1

    公开(公告)日：2020-01-29

    申请号：EP19185770.5

    申请日：2019-07-11

    申请人： Nifco Inc.

    发明人： SUI, Xiaohui ,  KATO, Tsuyoshi

    IPC分类号： B60K15/035 ,  F16K31/28 ,  F16K24/04

    摘要： In a valve device for a fuel tank (T), a fuel liquid level of filling-up fuel feed and an allowable fuel amount of additional fuel feed can be easily and appropriately changed by replacing only a part of components forming the valve device. A first valve chamber (3) has a structure of positioning an open end below a support portion of a first float (6) having a passage portion for a fluid. A second valve chamber (4) includes a support portion of a second float (7) having a passage portion for the fluid. The first valve chamber and the second valve chamber are formed by fitting a lower-portion including the support portion and the open end of the first float and the support portion of the second float relative to an upper-portion including a first valve opening and a second valve opening.
    Fig. 2