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1. 发明授权

US6115404A Dynamic control of remelting processes 有权
标题翻译：重熔过程的动态控制
公开(公告)号：US6115404A
公开(公告)日：2000-09-05
申请号：US244372
申请日：1999-02-03
申请人： Lee A. Bertram , Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman , David G. Evans
发明人： Lee A. Bertram , Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman , David G. Evans
IPC分类号： H05B7/152 , H05B7/144 , H05B7/148
CPC分类号： H05B7/152 , Y02P10/256 , Y02P10/259
摘要： An apparatus and method of controlling a remelting process by providing measured process variable values to a process controller; estimating process variable values using a process model of a remelting process; and outputting estimated process variable values from the process controller. Feedback and feedforward control devices receive the estimated process variable values and adjust inputs to the remelting process. Electrode weight, electrode mass, electrode gap, process current, process voltage, electrode position, electrode temperature, electrode thermal boundary layer thickness, electrode velocity, electrode acceleration, slag temperature, melting efficiency, cooling water temperature, cooling water flow rate, crucible temperature profile, slag skin temperature, and/or drip short events are employed, as are parameters representing physical constraints of electroslag remelting or vacuum arc remelting, as applicable.
摘要翻译：一种通过向过程控制器提供测量的过程变量值来控制重熔过程的装置和方法; 使用重熔过程的过程模型估计过程变量值; 并从过程控制器输出估计的过程变量值。反馈和前馈控制装置接收估计的过程变量值并调整重熔过程的输入。电极重量，电极质量，电极间隙，工艺电流，工艺电压，电极位置，电极温度，电极热边界层厚度，电极速度，电极加速度，炉渣温度，熔化效率，冷却水温度，冷却水流量，坩埚温度使用曲线，炉渣表面温度和/或滴水短路事件，以及代表电渣重熔或真空电弧重熔的物理限制的参数（如适用）。

2. 发明授权

US5930284A Multiple input electrode gap controller 失效
标题翻译：多输入电极间隙控制器
公开(公告)号：US5930284A
公开(公告)日：1999-07-27
申请号：US784334
申请日：1997-01-15
申请人： Christopher L. Hysinger , Joseph J. Beaman , David K. Melgaard , Rodney L. Williamson
发明人： Christopher L. Hysinger , Joseph J. Beaman , David K. Melgaard , Rodney L. Williamson
IPC分类号： H05B7/148 , H05B3/60
CPC分类号： H05B7/148 , Y02P10/256 , Y02P10/259
摘要： A method and apparatus for controlling vacuum arc remelting (VAR) furnaces by estimation of electrode gap based on a plurality of secondary estimates derived from furnace outputs. The estimation is preferably performed by Kalman filter. Adaptive gain techniques may be employed, as well as detection of process anomalies such as glows.
摘要翻译：一种用于通过基于从炉输出得到的多个二次估计来估计电极间隙来控制真空电弧重熔（VAR）炉的方法和装置。该估计优选地通过卡尔曼滤波器进行。可以采用自适应增益技术，以及检测过程异常，如发光。

3. 发明授权

US08077754B1 Pool power control in remelting systems 有权
标题翻译：重熔系统中的池功率控制
公开(公告)号：US08077754B1
公开(公告)日：2011-12-13
申请号：US11501198
申请日：2006-08-08
申请人： Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman
发明人： Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman
IPC分类号： H05B7/144 , H05B3/60
CPC分类号： H05B7/144 , F27B3/085 , F27D11/08 , F27D19/00 , F27D21/00 , Y02P10/256 , Y02P10/259
摘要： An apparatus for and method of controlling a remelting furnace comprising adjusting current supplied to an electrode based upon a predetermined pool power reference value and adjusting the electrode drive speed based upon the predetermined pool power reference value.
摘要翻译：一种控制重熔炉的设备和方法，包括基于预定的池功率参考值调节供应给电极的电流，并且基于预定的池功率参考值来调节电极驱动速度。

4. 发明授权

US10422584B2 Apparatus to control the total energy flux into the top ingot surface during vacuum arc remelting processes 有权
公开(公告)号：US10422584B2
公开(公告)日：2019-09-24
申请号：US14666378
申请日：2015-03-24
申请人： Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman
发明人： Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman
IPC分类号： H05B7/144 , H05B3/60 , F27D19/00 , H05B7/152 , F27B3/08 , F27D21/00 , F27D11/08 , F27D7/06 , F27D99/00
摘要： A Vacuum Arc Remelting controller apparatus wherein process control is accomplished primarily through control of pool power. Pool power being defined as the total energy flux into a top ingot surface of the VAR ingot. The controller apparatus of the present invention comprises a controller computer that transmits commands to the host furnace through an ethernet connection.

5. 发明申请

US20150308747A1 Apparatus to Control the Total Energy Flux into the Top Ingot Surface During Vacuum Arc Remelting Processes 有权
标题翻译：控制在真空电弧重熔过程中进入顶部表面的总能量通量的装置
公开(公告)号：US20150308747A1
公开(公告)日：2015-10-29
申请号：US14666378
申请日：2015-03-24
申请人： Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman
发明人： Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman
IPC分类号： F27D19/00 , F27B3/08 , F27D21/00 , H05B7/152
摘要： A Vacuum Arc Remelting controller apparatus wherein process control is accomplished primarily through control of pool power. Pool power being defined as the total energy flux into a top ingot surface of the VAR ingot. The controller apparatus of the present invention comprises a controller computer that transmits commands to the host furnance through an ethernet connection.
摘要翻译：真空电弧重熔控制器装置，其中主要通过控制池功率来完成过程控制。池功率被定义为进入VAR锭的顶锭表面的总能量通量。本发明的控制器装置包括通过以太网连接向宿主发送命令的控制器计算机。

6. 发明申请

US20120106588A1 Pool power-based apparatus to control vacuum arc remelting processes 审中-公开
标题翻译：用于控制真空电弧重熔工艺的水池电力设备
公开(公告)号：US20120106588A1
公开(公告)日：2012-05-03
申请号：US13374170
申请日：2011-12-13
申请人： Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman
发明人： Rodney L. Williamson , David K. Melgaard , Joseph J. Beaman
IPC分类号： H05B7/06
CPC分类号： H05B7/144 , F27B3/085 , F27D11/08 , F27D19/00 , F27D21/00 , Y02P10/256 , Y02P10/259
摘要： An apparatus for controlling a vacuum remelting furnace comprising a controller capable of adjusting electrical current to an electrode and a controller capable of adjusting the electrode's drive speed. The controllers adjust the current and drive speed based on a predetermined pool power reference value. The apparatus may also comprise a third controller that receives the adjusted current and drive speed as inputs and sends estimated electrode drive speed bias as output to the drive speed controller and estimated current bias as output to the current controller.
摘要翻译：一种用于控制真空重熔炉的装置，包括能够调节电极的电流的控制器和能够调节电极驱动速度的控制器。控制器基于预定的池功率参考值来调节电流和驱动速度。该装置还可以包括第三控制器，其接收作为输入的调整的电流和驱动速度，并且将推定的电极驱动速度偏置作为输出发送到驱动速度控制器，并将估计的电流偏置作为输出发送到电流控制器。

7. 发明申请

US20140044145A1 Integrated metal alloy ingot remelting manager 审中-公开
标题翻译：综合金属合金锭重熔经理
公开(公告)号：US20140044145A1
公开(公告)日：2014-02-13
申请号：US13573011
申请日：2012-08-13
申请人： Rodney L. Williamson , Joseph J. Beaman
发明人： Rodney L. Williamson , Joseph J. Beaman
IPC分类号： H05B7/148 , H05B3/60
CPC分类号： H05B7/148 , Y02P10/256 , Y02P10/259
摘要： The present application describes and claims an integrated remelting manager for the VAR and ESR remelting processes comprising the following three integrated components: a pre-process manager, a real-time process manager and a post-process manager.The present application also describes and claims a method of using the integrated remelting manager.
摘要翻译：本申请描述并要求用于VAR和ESR重熔过程的集成重熔管理器，其包括以下三个集成组件：预处理管理器，实时过程管理器和后处理管理器。本申请还描述并要求使用集成重熔管理器的方法。

8. 发明授权

US5708677A Arc voltage distribution skewness as an indicator of electrode gap during vacuum arc remelting 失效
标题翻译：电弧电压分布偏差作为真空电弧重熔期间电极间隙的指标
公开(公告)号：US5708677A
公开(公告)日：1998-01-13
申请号：US426545
申请日：1995-04-21
申请人： Rodney L. Williamson , Frank J. Zanner , Stephen M. Grose
发明人： Rodney L. Williamson , Frank J. Zanner , Stephen M. Grose
IPC分类号： F27B3/28 , F27D11/08 , H05B7/152 , H05B7/148
CPC分类号： H05B7/152 , F27B3/28 , F27D11/08 , Y02P10/256 , Y02P10/259
摘要： The electrode gap of a VAR is monitored by determining the skewness of a distribution of gap voltage measurements. A decrease in skewness indicates an increase in gap and may be used to control the gap.
摘要翻译：通过确定间隙电压测量分布的偏度来监测VAR的电极间隙。偏斜度的减小表示间隙增大，可用于控制间隙。

9. 发明授权

US5621751A Controlling electrode gap during vacuum arc remelting at low melting current 失效
标题翻译：在低熔融电流下，真空电弧重熔控制电极间隙
公开(公告)号：US5621751A
公开(公告)日：1997-04-15
申请号：US426532
申请日：1995-04-21
申请人： Rodney L. Williamson , Frank J. Zanner , Stephen M. Grose
发明人： Rodney L. Williamson , Frank J. Zanner , Stephen M. Grose
IPC分类号： F27B3/08 , F27D21/00 , H05B7/148
CPC分类号： F27B3/085 , H05B7/148 , F27D21/00 , Y02P10/256 , Y02P10/259
摘要： An apparatus and method for controlling electrode gap in a vacuum arc remelting furnace, particularly at low melting currents. Spectrographic analysis is performed of the metal vapor plasma, from which estimates of electrode gap are derived.
摘要翻译：一种用于控制真空电弧重熔炉中的电极间隙的装置和方法，特别是在低熔融电流下。对金属蒸汽等离子体进行光谱分析，从中导出电极间隙的估计值。

10. 发明授权

US06844378B1 Method of using triaxial magnetic fields for making particle structures 有权
标题翻译：使用三轴磁场制造颗粒结构的方法
公开(公告)号：US06844378B1
公开(公告)日：2005-01-18
申请号：US10324254
申请日：2002-12-18
申请人： James E. Martin , Robert A. Anderson , Rodney L. Williamson
发明人： James E. Martin , Robert A. Anderson , Rodney L. Williamson
IPC分类号： C01B31/00 , C08J3/28 , C08K3/08 , H01F1/00 , H01F1/08 , H01F1/44
CPC分类号： B82Y25/00 , C08J3/28 , H01F1/083 , H01F1/44
摘要： A method of producing three-dimensional particle structures with enhanced magnetic susceptibility in three dimensions by applying a triaxial energetic field to a magnetic particle suspension and subsequently stabilizing said particle structure. Combinations of direct current and alternating current fields in three dimensions produce particle gel structures, honeycomb structures, and foam-like structures.
摘要翻译：一种通过将三轴能量场施加到磁性颗粒悬浮液并随后稳定所述颗粒结构来生产三维磁化率增强的三维微粒结构的方法。三维直流和交流场的组合产生颗粒凝胶结构，蜂窝结构和泡沫状结构。

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