Method for quantitatively determining the width of a soft zone area of a partially hardened workpiece
    71.
    发明授权
    Method for quantitatively determining the width of a soft zone area of a partially hardened workpiece 失效
    用于定量确定部分硬化的工件的软区域的宽度的方法

    公开(公告)号:US07423423B2

    公开(公告)日:2008-09-09

    申请号:US10578724

    申请日:2004-09-15

    IPC分类号: G01N27/72 G01R33/12 G01R35/00

    CPC分类号: G01N27/90

    摘要: Disclosed is a method for quantitatively determining the width of a soft zone area of a partially hardened metallic workpiece, which has at least one hardened and one unhardened area, by means of at least one multifrequency eddy current sensor. A single workpiece being individually is moved relative to the multifrequency eddy current sensor in such a manner that a spatially delimited eddy current field generated by the multifrequency eddy current interacts with the workpiece contactlessly, generates eddy currents therein which, in turn, generate a measuring signal in the multifrequency eddy current sensor, in which the spatially delimited eddy current field has a greatest extension oriented in longitudinal direction to the surface of the workpiece which extension is greater than the maximum extension of the soft zone area in longitudinal direction of the surface of the workpiece.

    摘要翻译: 公开了一种通过至少一个多频涡流传感器来定量确定具有至少一个硬化和一个未硬化区域的部分硬化的金属工件的软区域的宽度的方法。 单独的工件相对于多频涡流传感器以这样的方式移动,使得由多频涡流产生的空间定界的涡流场与工件无接触地相互作用,在其中产生涡流,其又产生测量信号 在多频涡流传感器中,其中空间界定的涡流场具有在纵向方向上相对于工件表面的最大延伸,该延伸大于软区区域在纵向方向上的最大延伸 工件。

    Device for preventing a vibration-loaded seal from shifting
    72.
    发明授权
    Device for preventing a vibration-loaded seal from shifting 失效
    用于防止振动加载的密封件移动的装置

    公开(公告)号:US06893279B2

    公开(公告)日:2005-05-17

    申请号:US10276147

    申请日:2001-04-05

    IPC分类号: F16J15/10 H01R13/52 H01R13/74

    CPC分类号: H01R13/5202 H01R13/74

    摘要: The invention relates to a device for preventing shifting of a vibration-loaded seal retained between two components braced against one another with the aid of clamping means, in particular to prevent shifting of a seal retained between a plug strip and a housing half shell of a motor vehicle clutch control element. This device includes stop faces for the seal, which act in a plane essentially perpendicular to the prestressing direction and which are embodied at least in part on the clamping means.

    摘要翻译: 本发明涉及一种用于防止借助夹紧装置保持在彼此支撑的两个部件之间的振动加载密封件的移动的装置,特别是用于防止保持在插头条和壳体半壳之间的密封件的移位 机动车离合器控制元件。 该装置包括用于密封件的止动面,其在基本上垂直于预应力方向的平面中起作用,并且至少部分地被夹在夹紧装置上。

    Process for preparing phthalides
    75.
    发明授权
    Process for preparing phthalides 失效
    制备苯酞的方法

    公开(公告)号:US6020501A

    公开(公告)日:2000-02-01

    申请号:US214512

    申请日:1999-01-07

    CPC分类号: C07D307/88

    摘要: The disclosure is a process for preparing a phthalide of the general formula I ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each independently of the others hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, by hydrogenation of a phthalic anhydride of the general formula II ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each as defined above, with the aid of a hydrogenation catalyst, which comprises performing the hydrogenation with the aid of a nickel catalyst doped with metals of subgroup 1, subgroup 6 and/or subgroup 7 of the Periodic Table.

    摘要翻译: PCT No.PCT / EP97 / 03303 Sec。 一九九九年一月七日 102(e)1999年1月7日PCT 1997年6月24日PCT公布。 公开号WO98 / 01438 日本1998年1月15日本公开是制备通式I的苯并膦的方法,其中R 1,R 2,R 3和R 4各自独立地为氢,C 1 -C 4 - 烷基或C 1 -C 4 - 烷氧基, 通式II的邻苯二甲酸酐,其中R 1,R 2,R 3和R 4各自如上所定义,借助于氢化催化剂,其包括使用掺杂有亚组1的金属的镍催化剂进行氢化,亚组 6和/或第7组。

    Preparation of polytetrahydrofuran
    77.
    发明授权
    Preparation of polytetrahydrofuran 失效
    聚四氢呋喃的制备

    公开(公告)号:US5773648A

    公开(公告)日:1998-06-30

    申请号:US793987

    申请日:1997-03-07

    摘要: A process for the preparation of polytetrahydrofuran or polytetrahydrofuran monoesters of C.sub.1 -C.sub.10 monocarboxylic acids by the polymerization of tetrahydrofuran over a heterogeneous catalyst in the presence of one of the telogens water, 1,4-butanediol or polytetrahydrofuran having a molecular weight of from 200 to 700 dalton or a C.sub.1 -C.sub.10 monocarboxylic acid or mixtures of these telogens, wherein a supported catalyst is used as catalyst, which contains a catalytically active amount of an oxygen-containing tungsten or molybdenum compound or mixtures of these compounds on an oxidic support material and which was calcined at temperatures ranging from 500.degree. to 1000.degree. C. following the application of the precursor compounds of said oxygen-containing molybdenum and/or tungsten compounds to the support material precursor.

    摘要翻译: PCT No.PCT / EP95 / 03651 Sec。 371日期1997年3月10日 102(e)1997年3月10日PCT PCT 1995年9月21日PCT公布。 公开号WO96 / 09335 日期:1996年3月28日一种通过四氢呋喃在多相催化剂上的存在下,在一种具有分子量的四氢呋喃水,1,4-丁二醇或聚四氢呋喃的存在下,通过四氢呋喃的聚合制备C1-C10单羧酸的聚四氢呋喃或聚四氢呋喃单酯的方法 重量为200至700道尔顿或C1-C10单羧酸或其混合物,其中使用负载催化剂作为催化剂,其含有催化活性量的含氧钨或钼化合物或这些化合物的混合物在 氧化载体材料,并且在将所述含氧钼和/或钨化合物的前体化合物施加到载体材料前体之后,在500℃至1000℃的温度下煅烧。