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    • 31. 发明申请
    • Apparatus for coating a substrate with a plasma arc torch
    • 用等离子弧焊炬涂覆基板的设备
    • US20020092834A1
    • 2002-07-18
    • US10027684
    • 2001-12-20
    • Fraunhofer-Gesellschaft Zur Forderung der angewandten Forschung e.V.
    • Steffen NowotnyRoman ZierisTobias NeumannGerhard Eckart
    • B23K010/00B23K026/14
    • H05H1/42
    • The invention relates to an apparatus for coating a substrate with a plasma arc torch, and with such a plasma arc torch the powdery additive is to be heated, melted open and accelerated towards the surface with plasma gas generated in the plasma arc torch, and with an additional laser beam. In the plasma arc torch, an annular cathode is located or a plurality of individual cathodes are arranged about a longitudinal axis. Gas is supplied into a plasma space which is located between such an annular cathode or the plurality of cathodes, and such an annular anode. With the invention, coating is to be allowed to be formed with a higher speed and deposition rate, respectively, with respect to the conventional solution with the same and increased quality, respectively, and the directional independence for the formation of the coating is to be ensured. This object is substantially solved in that the laser beam is directed upon the surface to be coated through such an annular cathode or between a plurality of cathodes arranged about the longitudinal axis, and through the annular shaped anode coaxially with respect to the longitudinal axis A.
    • 本发明涉及一种用等离子弧焊炬涂覆基板的设备,并且通过这样的等离子弧焊炬,粉末状添加剂将被加热,熔化开放并且在等离子体电弧炬中产生等离子体气体而朝向表面加速,并且与 一个额外的激光束。 在等离子弧焊炬中,环形阴极被定位或者围绕纵向轴线布置多个单独的阴极。 将气体供给到位于这样的环状阴极或多个阴极之间的等离子体空间中,以及这种环状阳极。 通过本发明,可以分别以相同和提高质量的常规溶液分别以更高的速度和沉积速率形成涂层,并且用于形成涂层的方向独立性应为 确保。 基本上解决了这个目的,即激光束被引导通过这种环形阴极被涂覆的表面,或者围绕纵向轴线布置的多个阴极之间,以及相对于纵向轴线A同轴地穿过环形阳极。
    • 33. 发明申请
    • Method of monitoring and controlling a screwing process
    • 监控和控制螺丝拧紧过程的方法
    • US20020023503A1
    • 2002-02-28
    • US09940437
    • 2001-08-29
    • Fraunhofer Gesellschaft zur Forderung der angewandten Forschung e.V.
    • Eckhardt SchneiderRudiger Herzer
    • F16B031/02
    • G01N29/4436B25B23/14B25B23/1425G01N29/07G01N29/227G01N2291/02827G01N2291/02854G01N2291/044G01N2291/101G01N2291/2626G01N2291/269G01N2291/2691
    • The present invention relates to a method for monitoring and, if need be, controlling a screwing process in the creation of a screw connection using a screw, in which ultrasonic pulses are repeatedly coupled into the screw starting from the head of the screw using a pulse-echo method before and during the tightening process and the time it takes the ultrasonic pulses to traverse the length of the screw (propagation time) is measured. Before starting the tightening process, a dependency of the propagation time of the ultrasonic pulse on the predetermined tension of the screw is calculated from the material-specific characteristic values of the screw utilizing the measured propagation time through the load-free screw. Comparison of a change in propagation time dependent on a screw parameter with a calculated change in propagation time dependent on the predetermined tension of the screw permits drawing conclusions about the control of the screwing process. Thus, in particular, significant deviations indicate poor adherence to the specifications or thread damage, whereas minor deviations can be utilized to control the screwing process.
    • 本发明涉及一种用于监测的方法,并且如果需要的话,在使用螺钉的螺杆连接的创建中控制螺丝拧紧过程,其中使用脉冲将超声波脉冲从螺杆的头部重新连接到螺钉中 在紧固过程之前和期间以及超声波脉冲穿过螺杆长度所需的时间(传播时间)进行测量。 在开始紧固过程之前,利用所测量的通过无负载螺杆的传播时间,从螺杆的材料特性值计算超声波脉冲的传播时间对螺杆的预定张力的依赖性。 根据螺杆参数的传播时间的变化与根据螺杆的预定张力的计算的传播时间的变化的比较允许得出关于螺旋过程的控制的结论。 因此,特别地,显着的偏差表示对规格或螺纹损伤的粘附性差,而可以利用较小的偏差来控制螺纹拧紧过程。
    • 34. 发明申请
    • Method and device for the detection of not easily volatized substances
    • 用于检测不易挥发物质的方法和装置
    • US20010027927A1
    • 2001-10-11
    • US09824704
    • 2001-04-04
    • Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
    • Michael KrausaKlaus SchorbStefan KrebsFrank Becker
    • G01N027/26
    • G01N33/0057G01N27/4045
    • A method for the detection of not easily volatized substances in particular of nitrotoluene, trinitrotoluene, dinitrotoluene, or derivatives of nitrotoluene as well as chemical warfare substances such as Clark, Lewisite, Lost, Sarin, Soman, Tabun or the like in soil, liquid and gases, wherein an electrode configuration, comprising at least a working electrode and an opposing electrode, is brought into contact with a substance under examination via an electrolyte and a voltage is applied to the working electrode whose value is increased and decreased at least once with substantially equal beginning and end values within a predetermined time period, wherein the current strength is determined during this at least one measurement cycle in dependence on the applied voltage, is distinguished in that a plurality of measurement cycles are scanned, and differences of current values of sequential measurement cycles are determined and, in the event of the occurrence of a cathode current maximum, the associated voltage value is determined, held constant and the current strength extracted. A device is thereby utilized with which the electrolyte is in the form of a thin layer applied to the end of the sensor element coming in contact with the substance under investigation, the sensor element comprising at least a working and an opposing electrode.
    • 在土壤,液体中检测不易挥发的物质,特别是硝基甲苯,三硝基甲苯,硝基甲苯或硝基甲苯的衍生物以及诸如Clark,Lewisite,Lost,Sarin,Soman,Tabun等的化学物质的挥发物质的方法。 气体,其中至少包括工作电极和相对电极的电极配置通过电解质与被检查物质接触,并且将电压施加到工作电极上,该电极的值基本上增加至少减少一次 在预定时间段内具有相同的起始值和结束值,其中根据所施加的电压在该至少一个测量周期期间确定电流强度,其特征在于扫描多个测量周期,以及顺序的当前值的差异 确定测量周期,并且在发生阴极电流最大的情况下, 确定相关电压值,保持恒定,并提取电流强度。 因此利用这样一种装置,其中电解质呈薄膜形式,施加到与所研究的物质接触的传感器元件的端部,传感器元件至少包括工作电极和相对电极。