Engine control device
    71.
    发明授权
    Engine control device 失效
    发动机控制装置

    公开(公告)号:US06269634B1

    公开(公告)日:2001-08-07

    申请号:US09497431

    申请日:2000-02-03

    IPC分类号: F01N300

    摘要: An engine control device, which is adapted for an engine provided with an NOx-absorbing material arranged in an exhaust passage for absorbing NOx in an oxygen-rich atmosphere, and releasing NOx and absorbing sulfur content when the oxygen concentration drops, includes a discriminator for judging whether the amount of sulfur absorbed by the NOx-absorbing material has reached a prescribed quantity, and a reductant concentration controller which increases the temperature of the NOx-absorbing material by decreasing a quantity related to EGR ratio for desulfurizing the NOx-absorbing material based on the result of judgment made by the discriminator. When the quantity related to the EGR ratio is decreased, the temperature of exhaust gas increases. Consequently, the temperature of the NOx-absorbing material increases and the sulfur in the NOx-absorbing material is freed and released.

    摘要翻译: 一种发动机控制装置,其适用于设置有排气通道中的NOx吸收材料的发动机控制装置,用于吸收富氧气氛中的NOx,并且当氧浓度下降时释放NOx并吸收硫含量,包括用于 判断由吸收NOx的吸收材料吸收的硫的量是否达到规定量;还原剂浓度控制器,其通过减少与NOx吸收材料脱硫相关的EGR率来增加NOx吸收材料的温度, 根据鉴别人的判断结果。 当与EGR率相关的量减少时,废气的温度升高。 因此,吸收NO x的材料的温度升高,NOx吸收材料中的硫释放释放。

    Exhaust gas cleaning catalyst complex and method for producing the same
    74.
    发明授权
    Exhaust gas cleaning catalyst complex and method for producing the same 失效
    废气净化催化剂及其制造方法

    公开(公告)号:US5700747A

    公开(公告)日:1997-12-23

    申请号:US533819

    申请日:1995-09-25

    CPC分类号: B01J29/068

    摘要: An object is to elevate the NOx cleaning rate and heat resistance of an exhaust gas cleaning catalyst complex which comprises a noble metal catalyst supported on zeolite. Ni is supported in the form of NiO powder on said zeolite. Said NiO acts as a cocatalyst without the coverage of the activation site of the catalyst complex and closure of the gas passage by said NiO so as to elevate the NOx cleaning rate and heat resistance.

    摘要翻译: 目的在于提高负载在沸石上的贵金属催化剂的排气净化催化剂配合物的NOx净化率和耐热性。 Ni在所述沸石上以NiO粉末的形式负载。 所述NiO充当助催化剂,而不需要催化剂络合物的活化部位的覆盖和所述NiO封闭气体通道,从而提高NOx清洗率和耐热性。

    Method of joining ceramics and metal
    77.
    发明授权
    Method of joining ceramics and metal 失效
    陶瓷和金属的接合方法

    公开(公告)号:US5002218A

    公开(公告)日:1991-03-26

    申请号:US479705

    申请日:1990-02-15

    IPC分类号: B23K20/00 B23K1/19 C04B37/02

    CPC分类号: B23K1/19 Y10T428/12576

    摘要: Two different members, such as a silicon nitride member and a carbide alloy member or a metal member, is attached with a joining member interposed therebetween and is heated at a preselected temperature higher than approximately 1,000.degree. C. under a vacuum or in a reducing atmosphere to be joined together as an integral member. The joining member in the form of a thin layer is made up of a material consisting of a gold-copper (Au-Cu) alloy and titanium (Ti) having a content of 1 to 30, desirably 10 to 30, weight percent of the joining layer.

    摘要翻译: 两个不同的构件,例如氮化硅构件和碳化物合金构件或金属构件,其间插入有接合构件,并且在真空或还原气氛中以预定温度高于约1000℃加热 作为一个组成部分连接在一起。 薄层形式的接合构件由金 - 铜(Au-Cu)合金和钛(Ti)组成的材料构成,其含量为1〜30,优选为10〜30重量% 接合层。