VORRICHTUNG ZUR AUFBEREITUNG VON ABGAS EINER VERBRENNUNGSKRAFTMASCHINE
    15.
    发明公开
    VORRICHTUNG ZUR AUFBEREITUNG VON ABGAS EINER VERBRENNUNGSKRAFTMASCHINE 审中-公开
    设备用于处理废气的内燃发动机

    公开(公告)号:EP2018470A1

    公开(公告)日:2009-01-28

    申请号:EP07725276.5

    申请日:2007-05-16

    IPC分类号: F01N3/20 B01D53/94

    摘要: The invention relates to a device (1) for processing waste gas (2) of an internal combustion engine, comprising at least one supply line (4) for supplying an aqueous solution, a hydrolysis catalyst (5) that is connected to the supply line (4), and a SCR-catalyst (7). The SCR catalyst (7) can be cross-flown by waste gas (2). The invention is characterised in that at least one rod-shaped heating element (9), which can heat at least one of the following components, is provided: a) at least parts of the supply line (4) and b) the hydrolysis catalyst. The inventive device (1) enables a supply line (4) that is heated by the rod-shaped element (9) to be formed in a compact manner, as well as a corresponding hydrolysis catalyst (5) which can evaporate an aqueous solution comprising urea, and subsequently can be hydrolysed to form a gas flow (22) containing ammonia. Said gas flow (22) is used as a reducing agent in the SCR process. The compact arrangement allows installation even with limited available space. Due to the fact that the hydrolysis catalyst (5) is not cross-flown by the waste gas, the volume of said hydrolysis catalyst (5) can be decisively reduced, thereby a clearly smaller mass flow must be hydrolysed to gas.

    ROLLNAHTGESCHWEISSTER KÖRPER ZUR ABGASBEHANDLUNG
    16.
    发明授权
    ROLLNAHTGESCHWEISSTER KÖRPER ZUR ABGASBEHANDLUNG 有权
    ROLLNAHTGESCHWEISSTERKÖRPERZUR ABGASBEHANDLUNG

    公开(公告)号:EP1658421B1

    公开(公告)日:2008-03-12

    申请号:EP04741334.9

    申请日:2004-07-30

    IPC分类号: F01N3/28 B01J35/04 B23K11/00

    摘要: The invention relates to a method for producing a body (1) for exhaust treatment, said body comprising a plurality of metallic layers (2). According to the inventive method, the layers (2) are brought into contact with each other in an assembly region (3), and a join is made by means of a roller seam welding method in such a way that the layers (2) form channels (4) through which a gas flow can pass. The invention also relates to corresponding bodies (1) for exhaust treatment, that can especially be used as filters or catalyst carrier bodies in the car industry.

    摘要翻译: 本发明涉及一种用于制造用于排气处理的本体(1)的方法,所述本体包括多个金属层(2)。 根据本发明的方法,层(2)在组装区域(3)中彼此接触,并且通过辊缝焊接方法进行接合,使得层(2)形成 通道(4),气流可以通过该通道。 本发明还涉及用于废气处理的相应本体(1),其尤其可以用作汽车工业中的过滤器或催化剂载体。

    VERDREHSICHERER ELEKTRISCHER ANSCHLUSS, INSBESONDERE FÜR EINEN ELEKTRISCH BEHEIZBAREN WABENKÖRPER
    17.
    发明公开
    VERDREHSICHERER ELEKTRISCHER ANSCHLUSS, INSBESONDERE FÜR EINEN ELEKTRISCH BEHEIZBAREN WABENKÖRPER 有权
    扭转电气连接,特别是对电热蜂窝体

    公开(公告)号:EP2828932A1

    公开(公告)日:2015-01-28

    申请号:EP13709183.1

    申请日:2013-03-11

    摘要: The present invention relates to an electrical connection (1) for an electrical component (2) in an exhaust gas system (10) of an internal combustion engine (11), in particular an electrically heatable honeycomb body (12), wherein the exhaust gas system (10) has a metal jacket (3), through which an electrical conductor (4) is fed by means of a feed-through (5), the electrical conductor being electrically insulated by an insulating layer (6), and wherein the electrical conductor (4) has an outer connection section (7) having a circular cross-section, said connection section having a contact surface (8) for connecting to a connection piece (14) of a supply line (15). According to the invention, the feed-through (5) and/or the electrical conductor (4) in the area of the feed-through (5) is designed in such a way that the feed-through and/or the electrical conductor in the area of the feed-through can absorb torques acting on the connection section (7) and/or the internal or external thread (9) in the circumferential direction thereof of up to 3.6 Nm (newton meters) per cm
    2 (centimeters squared) of contact surface (8), preferably up to 4.5 Nm/cm
    2 , in particular up to 7 Nm/cm2. This is achieved in particular by means of suitable shaping of the electrical conductor (4) in the area of the feed-through (5), in particular by means of structures and/or changes to the cross-sectional form. Especially advantageous is a form-closed design of the electrical conductor (4) and the feed-through (5). In this way, damage even to sensitive electrical components (2) in the exhaust gas system (10) due to large externally applied torques can be avoided. In addition, damage is avoided during disassembly and maintenance.

    STÜTZSTIFT FÜR EINEN ELEKTRISCH BEHEIZBAREN WABENKÖRPER
    18.
    发明公开
    STÜTZSTIFT FÜR EINEN ELEKTRISCH BEHEIZBAREN WABENKÖRPER 有权
    支持PIN码电热蜂窝体

    公开(公告)号:EP2791482A2

    公开(公告)日:2014-10-22

    申请号:EP12798748.5

    申请日:2012-12-11

    IPC分类号: F01N3/20 F01N3/28 F01N13/02

    摘要: The present invention relates to a supporting pin (1) for supporting an electrically heatable honeycomb body (3) on a first honeycomb body (2), wherein the supporting pin (1) has a first end region (5), a second end region (6) and an intermediate region (7), wherein the supporting pin (1) has a core (8) made of electrically non-conductive ceramic material and a metallised surface (4) on at least one end region (5; 6) and an electrically non-conductive intermediate region (7) having a length of at least 3 mm (millimetres), preferably 5 to 15 mm. Supporting pins (1) according to the invention are particularly suitable for stabilising electrically heatable honeycomb bodies in exhaust gas treatment systems for internal combustion engines, particularly for motor vehicles. With the use of higher electrical voltages, such as 48 V, for electrically heatable honeycomb bodies, good electrical isolation is also assured in exhaust gas systems carrying soot particles with simultaneous safe support and suppression of vibrations.

    ABGASBEHANDLUNGSVORRICHTUNG
    19.
    发明公开
    ABGASBEHANDLUNGSVORRICHTUNG 有权
    废气处理装置

    公开(公告)号:EP2773857A1

    公开(公告)日:2014-09-10

    申请号:EP12772960.6

    申请日:2012-10-17

    摘要: The present invention relates to an exhaust-gas treatment device (1) with a honeycomb element (2), through which an exhaust gas can flow, and which honeycomb element (2) is wound and/or stacked with at least partially structured sheet-metal layers (3, 17) in such a way that channels (7) are formed, through which an exhaust gas can flow in the axial direction (4) from an inlet side (5) to an outlet side (6). A first part (8) of the sheet-metal layers (3, 17) ends flush at a first end surface (9) which is assigned to the inlet side (5) and/or the outlet side (6), and a second part (10) of the sheet-metal layers ends at a second end surface (11) which is likewise assigned to the inlet side (5) and/or the outlet side (6). The second end surface (11) is at a spacing (12) from the first end surface (9), by a first length (13) in the axial direction (4) of the first part (8) of sheet-metal layers (3, 17) being greater than a second length (14) in the axial direction (4) of the second part (10) of sheet-metal layers (3, 17). As a result of the spacing (12) between the first end surface (9) and the second end surface (11), a receptacle (15) is formed, in which a heating element (16) is arranged. By way of the present invention, an electrically heatable exhaust-gas treatment device (1) can be produced in a simple way, into which a heating element (16) can be integrated during or after the production of the honeycomb element (2).