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    CONTROLLING VAPOR EMISSION IN A SMALL ENGINE FUEL TANK SYSTEM
    2.
    发明公开
    CONTROLLING VAPOR EMISSION IN A SMALL ENGINE FUEL TANK SYSTEM 审中-公开
    蒸汽排放在小发动机燃油系统控制

    公开(公告)号：EP1827888A2

    公开(公告)日：2007-09-05

    申请号：EP05825685.0

    申请日：2005-12-19

    申请人： Eaton Corporation

    发明人： MILLS, Vaughn

    IPC分类号： B60K15/035 ,  B60K15/04

    CPC分类号： B60K15/03519 ,  B60K15/03504 ,  B60K2015/03576 ,  B60Y2200/223

    摘要： A fuel vapor emission system for small engine gas tank (10) which does not require redesign or retooling for manufacturing of the tank. A new filler tube (14) has the lower end positioned (d) to cause fuel to rise repidly in the tube before the tank is full, signaling the operator to stop refueling and maintain a vapor dome in the tank when the filler cap (16) is replaced. A vapor vent valve (20) is disposed in a separate access opening (18) and includes a float (28) operated rollover valve (36) . The vent valve (46) opens when a predetermined positive pressure is reached in the tank; and, a reverse flow vacuum relief valve (56) is disposed in the vent valve. The outlet of the vent valve is intended to be connected to either a storage canister (70) or the engine air inlet (72) .

    SMALL ENGINE FUEL SYSTEM
    8.
    发明公开
    SMALL ENGINE FUEL SYSTEM 审中-公开
    KLEINMOTORKRAFTSTOFFSYSTEM

    公开(公告)号：EP2285616A1

    公开(公告)日：2011-02-23

    申请号：EP09757870.2

    申请日：2009-06-05

    申请人： Eaton Corporation

    发明人： MILLS, Vaughn ,  MCINTOSH, Andrew, W. ,  BELANGER, Peter, G.

    IPC分类号： B60K15/035

    CPC分类号： B60K15/03519 ,  B60K2015/03576 ,  Y10T137/7838 ,  Y10T137/7927

    摘要： A small engine fuel system includes a vent valve configured to be disposed within a tank having at least a portion of a filler pipe defined therein. The filler pipe includes an upper portion configured to receive a fluid and a lower portion located at a predetermined depth in the tank, where the predetermined depth defines a liquid fill level of the tank. The small engine fuel system further includes spring valve arranged in series with the vent valve. The spring valve is configured to close during a refilling event, thereby substantially preventing overfill of the tank with the fluid.

    FUEL VAPOR VENT VALVE WITH DYNAMIC PRESSURE RELIEF
    10.
    发明公开
    FUEL VAPOR VENT VALVE WITH DYNAMIC PRESSURE RELIEF 有权
    呼吸阀具有动态压力释放燃油蒸汽

    公开(公告)号：EP2430342A1

    公开(公告)日：2012-03-21

    申请号：EP10725850.1

    申请日：2010-05-11

    申请人： Eaton Corporation

    发明人： MILLS, Vaughn

    IPC分类号： F16K17/19 ,  F16K17/36 ,  F16K24/04

    CPC分类号： F16K24/044 ,  F16K17/19 ,  F16K17/36 ,  Y10T137/0874 ,  Y10T137/3099

    摘要： A fuel vapor vent valve assembly (20) includes an anti-trickle valve (34) having a casing (36) defining a first cavity (38). A movable element (56) is disposed within the first cavity (38). The casing (36) defines a lower dynamic vapor passage (48) in fluid communication with an interior of a fuel tank (22). A concave ramp (58) is disposed concentrically about the lower dynamic vapor passage (48), within the first cavity (38). The movable element (56) moves upward along the concave ramp (58) in response to a change in motion to open fluid communication through the lower dynamic vapor passage (48) to vent vapor pressure from within the fuel tank (22) during movement.