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    • 6. 发明申请
    • Carbon canister with valve activated by weight of saturated carbon
    • 带阀门的碳罐由饱和碳重量激活
    • US20090173231A1
    • 2009-07-09
    • US12322414
    • 2009-02-02
    • Timothy SchroederDarrell VilmerArthur C. Fink, JR.
    • Timothy SchroederDarrell VilmerArthur C. Fink, JR.
    • B01D53/047
    • B01D53/0407B01D53/0454B01D2253/102B01D2257/702B01D2259/40086B01D2259/4516B67D7/0478
    • A carbon canister with a valve activated by the weight of nearly saturated or saturated carbon communicates with piping from an underground tank. The invention includes carbon within a casing inside a canister, a weight actuated valve, and piping in communication with the atmosphere. When an ORVR vehicle refuels, the pressure lowers in the tank that draws air into the canister. After refueling, the tank remains subject to conditions that generate hydrocarbon vapors. Those vapors then return to the canister and adhere to the surface of the carbon. The carbon, heavier with hydrocarbons, lowers the canister and closes the weight actuated valve. Closing the valve returns pressure control to an external pressure vacuum relief valve. The next refueling draws in atmospheric air to purge the hydrocarbons in the canister and thus lighten it. A secondary purge valve also removes hydrocarbons from the canister. Once the carbon lightens, the inlet valve opens and the vapors return to the canister for adsorption. This cycle regenerates the carbon.
    • 具有由几乎饱和或饱和碳重量活化的阀的碳罐与来自地下罐的管道连通。 本发明包括在罐内的壳体内的碳,重量致动阀和与大气连通的管道。 当ORVR车辆减压时,罐中的压力降低,吸入空气进入罐中。 加油后,油箱仍然受到产生碳氢化合物蒸汽的条件的影响。 那些蒸气然后返回到罐并粘附到碳的表面。 碳,较重的碳氢化合物,降低了罐体并关闭了重量致动阀门。 关闭阀门将压力控制器返回到外部压力真空安全阀。 下一次加油吸入大气中以清除罐中的碳氢化合物,从而减轻其中的碳氢化合物。 二次吹扫阀还从罐中除去碳氢化合物。 一旦碳减少,进口阀打开,蒸气返回到吸附罐。 该循环再生碳。