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    • 92. 发明公开
    • Canister of an evaporated fuel processing system
    • Sammelbehälterfürein Kraftstoffdampfsystem
    • EP1496239A2
    • 2005-01-12
    • EP04460022.9
    • 2004-06-03
    • Delphi Technologies, Inc.
    • Zuchara, Pawel
    • F02M25/08
    • B01D53/0415B01D53/0446B01D2253/102B01D2257/702B01D2258/01B01D2259/40009B01D2259/4516B01D2259/4566F02M25/0854
    • The invention relates to a canister (1) of an evaporated fuel processing system having a housing (2), inside of which a number of serially connected adsorbing chambers (4, 5) is placed, where the first adsorbing chamber is connected to a fuel tank (19) and to an intake pipe (20) of an internal combustion engine and the last, outlet adsorbing chamber (5) comprises an atmospheric port, where inside the outlet adsorbing chamber (5) across a vapours flow path at least one perforated plate (21) is placed.
      To meet the emission standards and to ensure the proper canister behaviour during tank (19) refuelling, the perforated plate (14, 21) comprises at least one vapour channel (26) with a valve (27a), inserted inside the outlet adsorbing chamber for a distance (h) less or equal to the thickness (H) of adsorbent layer behind the perforated plate (21), wherein the valve remains closed when no flow of evaporated fuel through the perforated plate(21) occurs. In a preferred embodiment of the canister, the valve in the vapour channel (26) is a pressure controlled direct action valve that opens when the flow restriction of adsorbent layer at the lowest distance (h) of the vapour channel (26) insertion exceeds the valve opening pressure.
    • 本发明涉及一种具有壳体(2)的蒸发燃料处理系统的罐(1),其中放置有多个串联的吸附室(4,5),其中第一吸附室连接到燃料 罐(19)和内燃机的进气管(20),最后的出口吸附室(5)包括一个大气口,其中出口吸附室(5)的内部穿过蒸汽流动路径,至少一个穿孔 放置板(21)。 为了满足排放标准并确保罐(19)加油期间适当的罐行为,多孔板(14,21)包括至少一个具有阀(27a)的蒸气通道(26),插入出口吸附室内 距离(h)小于或等于多孔板(21)后面的吸附剂层的厚度(H)的距离(h),其中当没有蒸发燃料通过多孔板(21)的流动发生时,阀保持关闭。 在罐的优选实施例中,蒸汽通道(26)中的阀是压力控制的直接作用阀,其在蒸汽通道(26)插入的最低距离(h)处的吸附剂层的流量限制超过 开阀压力。
    • 96. 发明公开
    • ADSORBENT FOR HYDROCARBON AND CATALYST FOR EXHAUST GAS PURIFICATION
    • 阿根廷FÜRKOHLENWASSERSTOFFE UND KATALYSATOR ZUR REINIGUNG VON ABGAS
    • EP1129774A1
    • 2001-09-05
    • EP99949437.0
    • 1999-10-26
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • ISHIKAWA, NorioKANAZAWA, T.
    • B01J20/18B01J29/80B01J29/44
    • B01J37/0246B01D53/02B01D53/944B01D53/9486B01D2253/108B01D2253/1085B01D2253/25B01D2253/304B01D2256/24B01D2257/702B01D2258/01B01D2259/4146B01D2259/4566B01J20/18B01J20/186B01J20/28004B01J20/28016B01J29/068B01J29/08B01J29/084B01J29/126B01J29/40B01J29/44B01J29/80B01J2229/42F01N3/0835F01N2250/12F01N2370/04Y02T10/20
    • By constituting an HC adsorbing material with a zeolite having 100 or more of an Si0 2 /Al 2 O 3 molar ratio, having 1 µ m or less of an average primary particle diameter and being free from a monovalent metallic element, a synthesis becomes possible without adding a monovalent metallic element, such as Na, etc., since it is free from a monovalent metallic element, it exhibits a high HC adsorbing ability even after a durability test. Moreover, since the average primary particle diameter is small, a surface area, onto which the HC are adsorbed, enlarges, and an HC adsorbing amount enlarges.
      Alternatively, by constituting an HC adsorbing material with a first zeolite, being composed of at least one member selected from the group consisting ZSM-5 and ferrierite, having 100 or less of an Si0 2 /Al 2 O 3 molar ratio and being loaded with at least one kind selected from the group consisting of Ag and Pd, and a second zeolite, being composed of a type Y zeolite having 200 or more of an Si0 2 /Al 2 O 3 molar ratio, it is possible to effectively adsorb lower HC and higher HC.
      And, by making it a catalyst for purifying an exhaust gas by using the latter HC adsorbing member and an oxidizing catalyst combinedly, the adsorbed lower HC and higher HC are discharged when a temperature is increased, and are oxidized and purified effectively by the oxidizing catalyst, whose temperature becomes an activated temperature, and accordingly a high HC conversion is revealed.
    • 通过构成具有100以上的SiO 2 / Al 2 O 3摩尔比的沸石的HC吸附材料,其具有1μm以下的平均一次粒径且不含一价金属元素,因此可以进行合成 不添加一价的金属元素如Na等,因为它不含一价金属元素,即使在耐久性试验后也显示出高的HC吸附能力。 此外,由于平均一次粒径小,吸附有HC的表面积扩大,HC吸附量扩大。 或者,通过构成具有第一沸石的HC吸附材料,由选自ZSM-5和镁碱沸石中的至少一种构成,具有100个以下的SiO 2 / Al 2 O 3摩尔比并装载有 选自由Ag和Pd组成的组中的至少一种和由具有200或更大的SiO 2 / Al 2 O 3摩尔比的Y型沸石组成的第二沸石,可以有效地吸附较低的HC 和更高的HC。 并且,通过使用后者HC吸附部件和氧化催化剂组合使其成为净化废气的催化剂,当温度升高时,吸附的下HC和高HC被排出,并且通过氧化催化剂有效地氧化和净化 ,其温度变为激活温度,因此显示出高HC转化率。
    • 97. 发明公开
    • Process and apparatus for purifying exhaust gases emanating from motor vehicles
    • Verfahren und Vorrichtung zur Reinigung von Abgasen aus Kraftfahrzeugen
    • EP1106240A2
    • 2001-06-13
    • EP00204251.3
    • 2000-11-30
    • Vacchi, Ariberto
    • Vacchi, Ariberto
    • B01D53/92B01D53/14B01D53/04F01N3/08F01N3/04
    • B01D53/0407B01D53/14B01D53/92B01D2253/102B01D2258/01B01D2259/4566F01N3/021F01N3/04F01N3/08Y02T10/20
    • Process for inhibiting the toxic elements of exhaust gases from the combustion of fuel for motor vehicles, comprisising the following phases:splitting up the exhaust gases flow into a plurality of parallel flows; gurgling of the flows into a distraining liquid; passage of the gurgled gases through an active carbon filter; washing the filtered gases countercurrent with the same atomized distraining liquid.
      Equipment comprising a sealed container (1) with an inlet (2) and an outlet (3) for the exhaust gases, further comprising: means (4) for splitting out the exhaust gas flow into a plurality of flows; a first chamber (5) containing distraining liquid (6), in which said flows gurgle; an active carbon filter (7); a second chamber (8) containing distraining liquid and in connection with said first chamber, comprising means (9) for atomizing said distraining liquid and for performing the counterwashing of said exhaust gases.
    • 用于抑制来自机动车辆的燃料燃烧的废气的有毒元素的方法,包括以下阶段:将废气流分解成多个平行流; 流入湍流液体的流氓; 潮气通过活性炭过滤器; 用相同的雾化干燥液体洗涤被过滤的气体。 包括具有用于废气的入口(2)和出口(3)的密封容器(1)的设备,还包括:用于将废气流分解成多个流的装置(4) 包含不饱和液体(6)的第一室(5),其中所述流动湍流; 活性炭过滤器(7); 包含不连续液体并与所述第一室连接的第二室(8)包括用于雾化所述混入液体并用于对所述废气进行反洗的装置(9)。