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    GAS TREATMENT DEVICE
    3.
    发明公开
    GAS TREATMENT DEVICE 有权
    气体处理装置

    公开(公告)号：EP2066879A1

    公开(公告)日：2009-06-10

    申请号：EP07804509.3

    申请日：2007-09-20

    申请人： Aristotle University of Thessaloniki ,  CVRD Inco Limited ,  Samaras, Zissis ,  Koltsakis, Grigorios

    发明人： SAMARAS, Zissis ,  KOLTSAKIS, Grigorios

    IPC分类号： F01N3/022 ,  F01N3/28 ,  B01D53/94

    CPC分类号： F01N3/28 ,  B01D53/9454 ,  F01N3/022 ,  F01N3/2892 ,  F01N13/0097 ,  Y02T10/20 ,  Y02T10/22

    摘要： The present invention relates to devices for exhaust gas treatment based on metal foams. Using appropriate catalytic coatings, the device may be used as a catalytic converter for diesel and gasoline engines, including oxidation catalysts, 3-way catalysts, de-NOx catalysts, NH3 slip catalysts. The foam structure offers high surface areas and high mixing rates which enhance catalytic performance. The device can be used in parallel for particulate filtration in both diesel and direct injection gasoline engines using deep bed filtration. The present invention employs a multiple-pass radial flow concept, using more than one foam segments (4a, 4b), separated by a diaphragm (5).

    摘要翻译： 本发明涉及基于金属泡沫的废气处理装置。 使用合适的催化涂层，该装置可用作柴油和汽油发动机的催化转化器，包括氧化催化剂，三元催化剂，脱硝催化剂，NH3减阻催化剂。 泡沫结构具有高表面积和高混合速率，可提高催化性能。 该设备可以并联使用，用于使用深床过滤的柴油和直喷汽油发动机的颗粒过滤。 本发明采用多次径向流动概念，其使用由隔膜（5）隔开的多于一个泡沫段（4a，4b）。

    DILUTER FOR EXHAUST GAS SAMPLING AND METHOD THEREFOR
    5.
    发明公开
    DILUTER FOR EXHAUST GAS SAMPLING AND METHOD THEREFOR 有权
    VERDÜNNERFÜRABGASPROBENAHME UND VERFAHRENDAFÜR

    公开(公告)号：EP2115418A2

    公开(公告)日：2009-11-11

    申请号：EP08709685.5

    申请日：2008-02-14

    申请人： Aristotle University of Thessaloniki ,  Samaras, Zissis ,  Ntziachristos, Leonidas

    发明人： SAMARAS, Zissis ,  NTZIACHRISTOS, Leonidas

    IPC分类号： G01N1/00

    CPC分类号： G01N1/2252 ,  G01N2001/2264

    摘要： The present invention relates to a device used for the dilution of exhaust gas (diluter) and in particular for engines or vehicules. More particularly, the invention relates to a device and a method which may maintain a constant dilution ratio regardless of the exhaust gas backpressure in the exhaust line, without using any moving parts. The proposed diluter utilizes a very small fraction of the exhaust gas, sampled through a capillary duct, simply immersed to the exhaust flow, which is otherwise freely exhausting to the atmosphere. The sample flowrate through the capillary is achieved by maintaining a regulated underpressure at the capillary outlet. The diluted exhaust is then collected in a stabilization chamber, where temperature, humidity and residence time may be adjusted to condition the collected aerosol at will. Multiple capillaries and stabilization chambers may be cascaded to increase the dilution ratios. After the final dilution stage, particle samples may be collected on a filter for gravimetric determination or analyzed by number counters, surface monitors or any other technique utilized for the physical or chemical characterization of particles. In a preferred embodiment the capillary duct is realized with a hypodermic needle and two cascaded hypodermic needles/stabilization chambers are combined to provide the desired dilution ratio. In another embodiment, exhaust gas may be led to the diluter's capillary duct by means of two probes, located respectively upstream and downstream of any aftertreatment device, which needs to be characterized. By means of shut-off valves, exhaust gas may be fed to the diluter's capillary by either the upstream or the downstream probe, thus providing an estimate of the filtration efficiency of the device.

    摘要翻译： 用于对发动机废气进行取样的稀释装置和方法，其中所述稀释器具有连接到主稳定室的主毛细管。 主稳定室通过借助于主出口管道连接到主稳定室的真空泵保持在低于环境温度，并且主稳定室中的稀释空气通过初级稀释空气管道通过 主混合尖端，其中提供了用于提供超过毛细管中的样品流速的废气流量的过量流量装置。 废气流量完全围绕毛细管入口尖端，其中主毛细管以流量排列方式浸入废气流量中，并且其中稀释器通过所述主毛细管接收废气。