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公开(公告)号：US4774072A
公开(公告)日：1988-09-27
申请号：US24563
申请日：1987-03-11
申请人： Volker Arndt , Bernd Meyer , Rainer Feser , Werner Steck , Helmut Jakusch
发明人： Volker Arndt , Bernd Meyer , Rainer Feser , Werner Steck , Helmut Jakusch
CPC分类号： C01G49/06 , G11B5/70663 , C01P2004/10 , C01P2004/51 , C01P2004/52 , C01P2004/62 , C01P2006/12 , C01P2006/42
摘要： Acicular .alpha.-Fe.sub.2 O.sub.3 is prepared from iron(III) salts by heating an alkaline aqueous suspension of iron(III) hydroxide in the presence of one or more organic substances which form complexes with iron(III) ions to a temperature of 100.degree. C. or less.
摘要翻译： 通过在一种或多种与铁（III）离子形成络合物的有机物质的存在下加热氢氧化铁（III）的碱性水性悬浮液至100℃，由铁（III）盐制备针状α-Fe 2 O 3。 或更少。
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公开(公告)号：US4826671A
公开(公告)日：1989-05-02
申请号：US024564
申请日：1987-03-11
申请人： Volker Arndt , Rainer Feser , Werner Steck , Helmut Jakusch
发明人： Volker Arndt , Rainer Feser , Werner Steck , Helmut Jakusch
CPC分类号： G11B5/70663 , C01G49/06 , C01P2002/54 , C01P2004/10 , C01P2004/54 , C01P2004/62 , C01P2004/84 , C01P2006/42
摘要： Finely divided, acicular and pore-free .alpha.-Fe.sub.2 O.sub.3 is prepared from iron(III) salts in the presence of one or more organic substances which form complexes with iron(III) ions, in alkaline suspension, at from 80.degree. to 250.degree. C.
摘要翻译： 在一种或多种有机物质的存在下，在碱性悬浮液中，在80-250℃下，由铁（III）盐制备细小的针状和无孔的α-Fe 2 O 3，所述有机物与铁（III）离子形成络合物 。
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公开(公告)号：US4913890A
公开(公告)日：1990-04-03
申请号：US315049
申请日：1989-02-24
申请人： Volker Arndt , Helmut Auweter , Rainer Feser , Ekkehard Schwab
发明人： Volker Arndt , Helmut Auweter , Rainer Feser , Ekkehard Schwab
CPC分类号： G11B5/70663 , C01G49/06 , C01P2002/54 , C01P2004/10 , C01P2006/12
摘要： Finely divided acicular and pore-free .alpha.-Fe.sub.2 O.sub.3 is prepared from an iron(III) salt in the presence of one or more organic substances which form complexes with iron(III) ions, in alkaline supension at from 80.degree. to 250.degree. C., and is used for the preparation of magnetic materials suitable for magnetic recording media.
摘要翻译： 在一种或多种与铁（III）离子形成络合物的有机物质的存在下，在80至250℃的碱性载体中，由铁（III）盐制备精细分散的针状和无孔α-Fe 2 O 3。 ，并用于制备适用于磁记录介质的磁性材料。
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公开(公告)号：US07203133B1
公开(公告)日：2007-04-10
申请号：US10049088
申请日：2000-08-02
CPC分类号： G01N29/2487 , G01N29/22 , G01N29/223 , G01N2291/0421 , G01N2291/0422 , G01N2291/2636 , G01N2291/2672
摘要： The invention relates to an ultrasound sensor system, especially for a welding electrode, comprising a sensor (5, 6, 7, 10) which, during the detection process, passes ultrasonic waves of a desired oscillation mode into areas to be detected and/or detects ultrasonic waves. At least one material recess (2) is provided in a sensor support (1), and at least one sensor (5, 6, 7, 10) is arranged in said recess.
摘要翻译： 本发明涉及一种超声波传感器系统，特别是一种用于焊接电极的超声波传感器系统，其包括传感器（5,6,7,10），该传感器在检测过程期间将期望振荡模式的超声波通过要被检测的区域和/或 检测超声波。 至少一个材料凹部（2）设置在传感器支撑件（1）中，并且至少一个传感器（5,6,7,10）布置在所述凹部中。
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公开(公告)号：US5051201A
公开(公告)日：1991-09-24
申请号：US580861
申请日：1990-09-11
CPC分类号： G11B5/70678 , C01G49/00 , C01G49/009 , C01P2004/22 , C01P2006/12 , C01P2006/42
摘要： Finely divided hexagonal ferrite powder is prepared by autoclave treatment of an aqueous alkaline suspension containing the ferrite-forming metal ions at from 250.degree. to 330.degree. C. and subsequent heating of the resulting material at not more than 900.degree. C., by a process in which the ferrite-forming metal ions are used in the form of salts melted in their water of crystallization.
摘要翻译： 通过高压处理含有铁氧体形成金属离子的水性碱性悬浮液，在250〜330℃下进行细分六方铁素体粉末的制备，随后通过一种方法将所得材料加热至不高于900℃ 其中铁氧体形成金属离子以其在结晶水中熔融的盐的形式使用。
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公开(公告)号：US07256365B2
公开(公告)日：2007-08-14
申请号：US10805765
申请日：2004-03-22
CPC分类号： B23K11/31 , B23K11/252 , G01N29/2468 , G01N2291/0422 , G01N2291/267
摘要： A connecting element for connecting and/or fixing an electrode with an electrode arm of a welding apparatus has a base body; and a sensor selected from the group consisting of a sensor for introducing ultrasound waves into an electrode, a sensor for receiving ultrasound waves and both.
摘要翻译： 用于连接和/或固定具有焊接设备的电极臂的电极的连接元件具有基体; 以及选自由用于将超声波引入电极的传感器，用于接收超声波的传感器和两者的传感器。
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7.发明授权公开(公告)号：US07197933B2
公开(公告)日：2007-04-03
申请号：US10470978
申请日：2002-02-04
IPC分类号： G01N29/24
CPC分类号： B23K11/12 , B23K11/25 , B23K11/36 , B23K31/125 , G01N2291/048
摘要： A sensor carrier is provided that has at least one oscillating element (32) that introduces ultrasonic waves into an area to be examined and/or receives ultrasonic waves coming from the area to be examined, whereby the oscillating element (32) is located in an oscillator carrier (33), and the oscillator carrier (33) has connecting means (36, 37, 38, 39) for connection with the electrode (31).
摘要翻译： 提供了一种传感器载体，其具有至少一个将超声波引入待检查区域和/或接收来自待检查区域的超声波的振荡元件（32），由此振动元件（32）位于 振荡器载体（33）和振荡器载体（33）具有用于与电极（31）连接的连接装置（36,37,38,39）。
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公开(公告)号：US07036376B2
公开(公告)日：2006-05-02
申请号：US10469463
申请日：2002-02-12
申请人： Volker Arndt
发明人： Volker Arndt
CPC分类号： G01N29/07 , B23K11/257 , G01N29/38 , G01N29/40 , G01N2291/011 , G01N2291/048 , G01N2291/102 , G01N2291/2672 , G01S15/8913
摘要： A welding system includes a device for evaluating an ultrasonic signal during a welding process. The device has a meassured value evaluation unit that, in normal operation, evaluates at least one measurement signal that is derived from an ultrasonic signal and is located inside a measurement window. A mechanism for establishing the measurement window is provided, which establishes the measurement window according to a measurement signal that is received in a calibration operation.
摘要翻译： 焊接系统包括用于在焊接过程期间评估超声波信号的装置。 该装置具有测量值评估单元，其在正常操作中评估从超声波信号导出并且位于测量窗口内的至少一个测量信号。 提供了建立测量窗口的机构，其根据在校准操作中接收的测量信号来建立测量窗口。
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公开(公告)号：US20110210098A1
公开(公告)日：2011-09-01
申请号：US12377648
申请日：2007-07-05
CPC分类号： B23K11/257 , B23K11/258
摘要： A method for operating a welding device (1), wherein the welding device has at least one welding electrode (4), which is operated with at least one variable electrical reference value and wherein this electrical reference value is controlled by a control device (6), wherein the control of the electrical reference value takes place with allowance being made for a set of reference data (25) that is characteristic of a welding operation to be carried out. According to the invention, the set of reference data (25) is determined on the basis of at least one set of raw data (23a, 23b, 23c, 23d), wherein this set of raw data (23a, 23b, 23c, 23d) is characteristic of the welding operation to be carried out.
摘要翻译： 一种用于操作焊接装置（1）的方法，其中所述焊接装置具有至少一个焊接电极（4），其以至少一个可变电参考值操作，并且其中所述电参考值由控制装置（6 ），其中，对于要执行的焊接操作的特征的一组参考数据（25）进行电气参考值的控制。 根据本发明，基于至少一组原始数据（23a，23b，23c，23d）来确定参考数据集合（25），其中该原始数据集合（23a，23b，23c，23d） ）是要进行的焊接操作的特征。
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公开(公告)号：US07055388B2
公开(公告)日：2006-06-06
申请号：US10470979
申请日：2002-02-04
IPC分类号： G01N29/04
CPC分类号： G01N29/2437 , B23K11/12 , B23K11/24 , B23K11/25 , B23K11/251 , B23K11/252 , B23K11/36 , B23K31/125 , G01H1/04 , G01N29/14 , G01N2291/015 , G01N2291/02863 , G01N2291/0422 , G01N2291/0427 , G01N2291/048 , G01N2291/103 , G01N2291/267 , G01N2291/2675
摘要： The invention relates to an ultrasonic sensor system, especially for controlling a resistance welding process. Said system comprises at least one receiver which is used to detect the ultrasonic signals from the area to be examined. At least two piezoelectric sensors (31, 32) are used as a receiver and are arranged in such a way that their polarization direction vectors indicate various directions, said vectors being projected in a plane perpendicular in relation to the propagation direction of an ultrasonic wave to be detected.
摘要翻译： 本发明涉及超声波传感器系统，特别是用于控制电阻焊接过程。 所述系统包括用于检测来自被检查区域的超声波信号的至少一个接收器。 使用至少两个压电传感器（31,32）作为接收器并且以这样的方式布置它们的偏振方向向量指示各种方向，所述矢量被投影在相对于超声波的传播方向垂直的平面中 被检测。
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