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    • 1. 发明授权
    • ENTLÜFTUNGSVORRICHTUNG FÜR EINEN BRENNSTOFFTANK EINER BRENNKRAFTMASCHINE
    • ENTLÜFTUNGSVORRICHTUNGFÜREINEN BRENNSTOFFTANK EINER BRENNKRAFTMASCHINE
    • EP0570552B1
    • 1995-09-13
    • EP92923382.3
    • 1992-11-13
    • ROBERT BOSCH GMBH
    • DENZ, HelmutNEU, HansRIEHL, GuentherBLUMENSTOCK, AndreasFRANK, Rainer
    • B60K15/035F02M25/08
    • B60K15/03504F02M25/0854
    • Known devices have an adsorption filter (1) in communication with the atmosphere through a venting line (46) controlled by a stop valve (51). Impurities contained in the air are deposited in the stop valve as they flow through it, so that it no longer closes hermetically. A particle filter (41) is thus mounted upstream of the stop valve, but because of its small cross-section, the particle filter causes an undesirably high pressure drop. By integrating in the housing (22) of the adsorption filter (1) a large surface area particle filter (41), soiling of the stop valve (51) and an excessively high pressure drop in the air that flows through the particle filter (41) are avoided. The integrated design allows the adsorption filter (1) to be easily mounted. This novel venting device is particularly useful for internal combustion engines in motor vehicles.
    • 已知的装置具有通过由截止阀(51)控制的排气管线(46)与大气连通的吸附过滤器(1)。 空气中含有的杂质在流过阀门时会沉积在截止阀内,因此不再密封。 颗粒过滤器(41)因此安装在截止阀的上游,但是由于其横截面小,颗粒过滤器导致不希望的高压降。 通过在吸附过滤器(1)的壳体(22)内集成大面积的颗粒过滤器(41),堵塞截止阀(51),并且在流过颗粒过滤器(41)的空气中产生过高的压降 )被避免。 一体化设计使吸附过滤器(1)能够轻松安装。 这种新颖的排气装置对机动车辆中的内燃机特别有用。