公开(公告)号：US20100195797A1

公开(公告)日：2010-08-05

申请号：US12670137

申请日：2008-07-17

申请人： Stefan Hauttmann

发明人： Stefan Hauttmann

IPC分类号： H01J35/06 ,  H01J1/15

CPC分类号： H01J35/06 ,  H01J1/13

摘要： A thermionic electron emitter (1) is proposed comprising an inner part (2) including a heatable flat emission surface (3) and an outer part (4) including a surrounding surface (6) substantially enclosing the emission surface and a heating arrangement for heating the emission surface to a temperature for thermionic electron emission. The outer part is mechanically connected to the inner part in a connection region (10) apart from the emission surface. Furthermore, the surrounding surface is thermally isolated, e.g. by a gap (14), from the emission surface in an isolation region apart from the connection region. By providing a surrounding surface enclosing the emission surface which may be on a similar electrical potential as the emission surface but which can have a substantially lower temperature than the emission surface without influencing the temperature distribution within the emission surface, an improved electron emission distribution and homogeneity can be obtained.

摘要翻译： 提出了一种热离子电子发射器（1），其包括包括可加热平坦发射表面（3）的内部部分（2）和包括基本上包围发射表面的周围表面（6）的外部部分（4）和用于加热的加热装置 发射表面达到热电子发射的温度。 外部部分在离开发射表面的连接区域（10）中机械地连接到内部部分。 此外，周围的表面是热隔离的，例如。 通过间隙（14）从离开连接区域的隔离区域中的发射表面。 通过提供包围发射表面的周围表面，其可以与发射表面处于类似的电势，但是其可以具有比发射表面显着更低的温度，而不影响发射表面内的温度分布，改善的电子发射分布和均匀性 可以获得。

公开(公告)号：US20100176708A1

公开(公告)日：2010-07-15

申请号：US12602515

申请日：2008-05-29

申请人： Stefan Hauttmann

发明人： Stefan Hauttmann

IPC分类号： H01J1/00 ,  H01J9/02

CPC分类号： H01J35/06 ,  H01J1/15 ,  H01J9/04

摘要： The invention describes an emitter device (10) and a method for precisely mounting a thin film electron emitter foil into a cathode cup. Therefore, small fixing bars (71) are realized to keep fine and hence weak emitter structures in position while fixing this setup onto a cathode cup. After mounting those temporary structures are removed (72) to get the final functional emitter-cathode setup.

摘要翻译： 本发明描述了一种发射极器件（10）和用于将薄膜电子发射器箔精确地安装到阴极杯中的方法。 因此，实现了小的固定杆（71），以将该设置固定到阴极杯上，以保持细小的发射器结构，从而使发射器结构微弱。 安装后，拆除临时结构（72）以获得最终的功能发射极 - 阴极设置。

公开(公告)号：US20090140681A1

公开(公告)日：2009-06-04

申请号：US11916554

申请日：2006-06-06

申请人： Stefan Hauttmann ,  Silvana Arsova

发明人： Stefan Hauttmann ,  Silvana Arsova

IPC分类号： H02P21/14

CPC分类号： G01P3/44 ,  H01J35/101 ,  H02K17/30 ,  H02P25/02

摘要： The present invention relates to a device (20) and a method for sensorless measuring a mechanical rotor frequency of a rotor (6) of an asynchronous machine (40), wherein the rotor (6) has a predetermined defect and the asynchronous machine (40) has a fixed number of pairs of poles. The asynchronous machine (40) comprises a current determination unit (2) for determining a stator current of the stator (7), wherein the stator current has a stator frequency. A processing unit (3) forms a stator current spectrum of the stator current. An analyzing unit (4) analyzes the stator current spectrum and determines an inverse peak (26) and a corresponding inverse frequency in the stator current spectrum, wherein the inverse peak (26) is the peak having the second highest amplitude in the stator current spectrum in the frequency range of the stator frequency. A calculation unit (5) calculates a mechanical rotor frequency of the rotor (6) from the sum of the stator frequency divided by the number of pairs of poles and the inverse frequency, if the slip of the asynchronous machine (40) is lower than 50%, or from the difference of the stator frequency divided by the number of pairs of poles and the inverse frequency, if the slip is higher than 50%.

摘要翻译： 本发明涉及一种装置（20）和用于无异步测量异步机（40）的转子（6）的机械转子频率的装置（20）和方法，其中转子（6）具有预定缺陷，异步机 ）具有固定数量的极对数。 异步电机（40）包括用于确定定子（7）的定子电流的电流确定单元（2），其中定子电流具有定子频率。 处理单元（3）形成定子电流的定子电流谱。 分析单元（4）分析定子电流频谱，并确定定子电流频谱中的反向峰值（26）和相应的反向频率，其中逆峰值（26）是定子电流频谱中具有第二高幅度的峰值 在定子频率的频率范围内。 计算单元（5）如果异步电机（40）的滑差低于电机的滑差，则从定子频率的和除以极对数和逆频率之和计算转子（6）的机械转子频率。 如果滑差高于50％，则由定子频率的差除以极对数和反频率计算。