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1. 发明申请

US20080272094A9 PLASMA TORCH ELECTRODE WITH IMPROVED INSERT CONFIGURATIONS 有权
标题翻译：具有改进插入配置的等离子体电极
公开(公告)号：US20080272094A9
公开(公告)日：2008-11-06
申请号：US11468393
申请日：2006-08-30
申请人： Jonathan Mather , David Cook , David Bouthillier , John Sobr , Stephen Eickhoff
发明人： Jonathan Mather , David Cook , David Bouthillier , John Sobr , Stephen Eickhoff
IPC分类号： B23K9/00
CPC分类号： H05H1/34 , H05H2001/3442
摘要： An improved electrode for use in a plasma arc torch. The electrode includes an electrode body, a bore defined by and disposed in the electrode body, and an insert disposed in the bore. The insert and/or the bore of the electrode are configured to improve retention of the insert in the electrode, thereby extending electrode life. The invention also includes a method for forming the electrode. The method includes a step of positioning an insert into a bore of an electrode such that an exterior gap is established that is greater than a second gap.
摘要翻译：一种用于等离子弧焊炬的改进电极。电极包括电极体，由电极主体限定和设置的孔，以及设置在孔中的插入件。电极的插入物和/或孔被配置为改善插入物在电极中的保持性，从而延长电极寿命。本发明还包括一种形成电极的方法。该方法包括将插入件定位到电极的孔中以使得建立大于第二间隙的外部间隙的步骤。

2. 发明申请

US20070125755A1 PLASMA TORCH ELECTRODE WITH IMPROVED INSERT CONFIGURATIONS 有权
标题翻译：具有改进插入配置的等离子体电极
公开(公告)号：US20070125755A1
公开(公告)日：2007-06-07
申请号：US11468393
申请日：2006-08-30
申请人： Jonathan Mather , David Cook , David Bouthillier , John Sobr , Stephen Eickhoff
发明人： Jonathan Mather , David Cook , David Bouthillier , John Sobr , Stephen Eickhoff
IPC分类号： B23K9/00
CPC分类号： H05H1/34 , H05H2001/3442
摘要： An improved electrode for use in a plasma arc torch. The electrode includes an electrode body, a bore defined by and disposed in the electrode body, and an insert disposed in the bore. The insert and/or the bore of the electrode are configured to improve retention of the insert in the electrode, thereby extending electrode life. The invention also includes a method for forming the electrode. The method includes a step of positioning an insert into a bore of an electrode such that an exterior gap is established that is greater than a second gap.
摘要翻译：一种用于等离子弧焊炬的改进电极。电极包括电极体，由电极主体限定和设置的孔，以及设置在孔中的插入件。电极的插入物和/或孔被配置为改善插入物在电极中的保持性，从而延长电极寿命。本发明还包括一种形成电极的方法。该方法包括将插入件定位到电极的孔中以使得建立大于第二间隙的外部间隙的步骤。

3. 发明授权

US5310988A Electrode for high current density plasma arc torch 失效
标题翻译：高电流密度等离子弧焊炬电极
公开(公告)号：US5310988A
公开(公告)日：1994-05-10
申请号：US886067
申请日：1992-05-20
申请人： Richard W. Couch, Jr. , Nichols A. Sanders , Lifeng Luo , Zhipeng Lu , Patrik Backander , John Sobr
发明人： Richard W. Couch, Jr. , Nichols A. Sanders , Lifeng Luo , Zhipeng Lu , Patrik Backander , John Sobr
IPC分类号： B23K10/00 , H05H1/34
CPC分类号： H05H1/34 , H05H2001/3442 , H05H2001/3452
摘要： The diameter of a hafnium insert press fit into the bottom end of a copper electrode varies as a function of the level of current carried by the electrode. The diameter is the minimum necessary to support emission at that current level while also protecting the copper body against attack by the arc. The insert is generally circular and preferably extends completely through the bottom wall to a circulating flow of cooling water at a hollow interior of the electrode. The bottom wall includes an annular recess in a portion of the copper wall surrounding the insert. A coolant inlet tube extends into the recess in a spaced relationship to provide a high flow velocity of the coolant over the interior rear surface of the electrode.
摘要翻译：掺入铜电极底端的铪片插入物的直径根据电极承载的电流水平而变化。直径是支持当前级别发射所必需的最小值，同时还可以保护铜体免受电弧的侵袭。插入件通常是圆形的，并且优选地完全穿过底壁延伸到在电极的中空内部的冷却水的循环流。底壁包括围绕插入件的铜壁的一部分中的环形凹部。冷却剂入口管以间隔开的方式延伸到凹部中，以提供冷却剂在电极内表面上的高流速。

4. 发明授权

US5695662A Plasma arc cutting process and apparatus using an oxygen-rich gas shield 失效
公开(公告)号：US5695662A
公开(公告)日：1997-12-09
申请号：US595797
申请日：1996-02-02
申请人： Richard W. Couch, Jr. , Nicholas A. Sanders , Lifeng Luo , John Sobr
发明人： Richard W. Couch, Jr. , Nicholas A. Sanders , Lifeng Luo , John Sobr
IPC分类号： B23K10/00 , H05H1/34
CPC分类号： B23K10/006 , H05H1/341 , H05H2001/3421 , H05H2001/3426 , H05H2001/3442 , H05H2001/3457 , H05H2001/3468 , H05H2001/3478
摘要： A plasma arc torch has a secondary gas flow that is extremely large during piercing of a workpiece to keep splattered molten metal away from the torch and thereby prevent "double arcing". The secondary flow exits the torch immediately adjacent the transferred plasma arc and is an extremely uniform, swirling flow. A swirl ring is located in the secondary gas flow path at the exit point. A prechamber feeds gas to the swirl ring, which is in turn fed through a flow restricting orifice. For certain applications the secondary gas is a mixture of an oxidizing gas, preferably oxygen, and a non-oxidizing gas, preferably nitrogen, in a flow ratio of oxygen to nitrogen in the range of 2:3 to 9:1. Preferably the flow ratio is about 2:1. A network of conduits and solenoid valves operated under the control of a central microprocessor regulates the flows of plasma gas and secondary gas and mixes the secondary gas. The network includes valved parallel branches that provide a quick charge capability and a set of venting valves, also electrically actuated by the microprocessor, to provide a quick discharge. In a preferred high-definition embodiment, a nozzle with a cut back outer surface and a large, conical head allows a metal seal and enhanced cooling. A two-piece cap protects the nozzle during cutting.

5. 发明授权

US5635088A Liquid cooled plasma arc torch system and method for replacing a torch in such system 失效
标题翻译：液体冷等离子弧焊枪系统及其替代方法
公开(公告)号：US5635088A
公开(公告)日：1997-06-03
申请号：US368626
申请日：1995-01-04
申请人： Timothy M. Brewer , Jeffrey L. Peterson , John Sobr
发明人： Timothy M. Brewer , Jeffrey L. Peterson , John Sobr
IPC分类号： H05H1/28 , B23K10/00
CPC分类号： H05H1/28 , H05H2001/3457
摘要： A liquid cooled plasma arc cutting torch system includes a plasma arc torch, a torch receptacle and a cooling system. The torch is removably mounted to the receptacle. The cooling system includes a liquid storage tank, supply and return lines providing fluid communication paths between the tank and the receptacle and a pump for pumping the cooling liquid from the tank through the supply line, the receptacle, the torch and the return line. A valve coupled to the return line includes a nozzle that directs liquid toward an inside top surface of the tank. A flow restriction member may be provided to equalize pressure in the supply with atmospheric pressure when the pump is not operating. A pressurized gas source may be utilized to substantially clear the receptacle, torch and return line of liquid when the pump is not operating.

6. 发明授权

US5317126A Nozzle and method of operation for a plasma arc torch 失效
标题翻译：等离子弧焊枪的喷嘴和操作方法
公开(公告)号：US5317126A
公开(公告)日：1994-05-31
申请号：US820278
申请日：1992-01-14
申请人： Richard W. Couch, Jr. , Nicholas A. Sanders , Lifeng Luo , John Sobr , Patrik Backander
发明人： Richard W. Couch, Jr. , Nicholas A. Sanders , Lifeng Luo , John Sobr , Patrik Backander
IPC分类号： B23K10/00 , H05H1/34 , B23K9/00
CPC分类号： H05H1/34 , H05H2001/3421 , H05H2001/3436 , H05H2001/3442 , H05H2001/3457 , H05H2001/3468
摘要： In a plasma arc cutting torch a flow of plasma gas is bypassed out of a plasma chamber, preferably at an annular gap between a pre-orifice in an inner nozzle piece and an exit nozzle orifice in an outer nozzle piece. A bypass channel formed between the inner and outer nozzle pieces directs the bypass flow to atmosphere. A metering valve or restricting orifice remote from the gap controls the amount of the bypass flow and delays the response of changes in the flow parameters in the plasma chamber to changes in the bypass flow. The pre-orifice and nozzle orifice are positioned and dimensioned to optimize the mass flow velocity and the strength of a vortex-type flow at the pre-orifice, thereby creating a virtual nozzle immediately below the electrode. The gas flow in the plasma chamber is highly uniform and very steady.
摘要翻译：在等离子体电弧割炬中，等离子体气体流被等离子体室旁路，优选地在内喷嘴件中的预孔和外喷嘴件中的出口喷嘴孔之间的环形间隙处。形成在内部和外部喷嘴之间的旁通通道将旁路流引导到大气中。远离间隙的计量阀或限制孔控制旁路流量，并延迟等离子体腔室中的流量参数变化对旁路流量变化的响应。预孔和喷嘴孔的定位和尺寸设计以优化质量流速和在预孔处的涡流型流的强度，从而在电极正下方形成虚拟喷嘴。等离子体室中的气流非常均匀，非常稳定。

7. 发明授权

US08101882B2 Plasma torch electrode with improved insert configurations 有权
标题翻译：等离子炬电极，具有改进的插入配置
公开(公告)号：US08101882B2
公开(公告)日：2012-01-24
申请号：US11468393
申请日：2006-08-30
申请人： Jonathan P. Mather , David J. Cook , David L. Bouthillier , John Sobr , Stephen T. Eickhoff
发明人： Jonathan P. Mather , David J. Cook , David L. Bouthillier , John Sobr , Stephen T. Eickhoff
IPC分类号： B23K10/00
CPC分类号： H05H1/34 , H05H2001/3442
摘要： An improved electrode for use in a plasma arc torch. The electrode includes an electrode body, a bore defined by and disposed in the electrode body, and an insert disposed in the bore. The insert and/or the bore of the electrode are configured to improve retention of the insert in the electrode, thereby extending electrode life. The invention also includes a method for forming the electrode. The method includes a step of positioning an insert into a bore of an electrode such that an exterior gap is established that is greater than a second gap.
摘要翻译：一种用于等离子弧焊炬的改进电极。电极包括电极体，由电极主体限定和设置的孔，以及设置在孔中的插入件。电极的插入物和/或孔被配置为改善插入物在电极中的保持性，从而延长电极寿命。本发明还包括一种形成电极的方法。该方法包括将插入件定位到电极的孔中以使得建立大于第二间隙的外部间隙的步骤。

8. 发明授权

US06720518B2 Process and apparatus for cutting or welding a workpiece 有权
公开(公告)号：US06720518B2
公开(公告)日：2004-04-13
申请号：US10314645
申请日：2002-12-09
申请人： Nicholas A. Sanders , Richard W. Couch , Yong Yang , Zhipeng Lu , Robert C. Dean , Kenneth J. Woods , Charles M. Hackett , John Sobr , William J. Connally
发明人： Nicholas A. Sanders , Richard W. Couch , Yong Yang , Zhipeng Lu , Robert C. Dean , Kenneth J. Woods , Charles M. Hackett , John Sobr , William J. Connally
IPC分类号： B23K1000
CPC分类号： B26F3/004 , B23K28/00 , B26F3/06
摘要： A metal jet cutting system, which includes a jetting heat, a heater and a power source, is used for modifying a workpiece. The jetting head includes a crucible and an inlet for receiving a feed stock of a conductive material. The heater melts the conductive material in the crucible to provide a conductive fluid, which exits the jetting head via an outlet. The power source, which is in electrical communication with the conductive fluid, increases the temperature of the conductive fluid. The conductive fluid is applied to the workpiece to modify the workpiece.

9. 发明授权

US06525291B1 Process and apparatus for cutting or welding a workpiece 有权
公开(公告)号：US06525291B1
公开(公告)日：2003-02-25
申请号：US09665650
申请日：2000-09-20
申请人： Nicholas A. Sanders , Richard W. Couch , Yong Yang , Zhipeng Lu , Robert C. Dean , Kenneth J. Woods , Charles M. Hackett , John Sobr , William J. Connally
发明人： Nicholas A. Sanders , Richard W. Couch , Yong Yang , Zhipeng Lu , Robert C. Dean , Kenneth J. Woods , Charles M. Hackett , John Sobr , William J. Connally
IPC分类号： B23K1000
CPC分类号： B26F3/004 , B23K28/00 , B26F3/06
摘要： A metal jet cutting system, which includes a jetting heat, a heater and a power source, is used for modifying a workpiece. The jetting head includes a crucible and an inlet for receiving a feed stock of a conductive material. The heater melts the conductive material in the crucible to provide a conductive fluid, which exits the jetting head via an outlet. The power source, which is in electrical communication with the conductive fluid, increases the temperature of the conductive fluid. The conductive fluid is applied to the workpiece to modify the workpiece.

10. 发明授权

US5396043A Plasma arc cutting process and apparatus using an oxygen-rich gas shield 失效
标题翻译：等离子弧切割工艺和使用富氧气体保护罩的设备
公开(公告)号：US5396043A
公开(公告)日：1995-03-07
申请号：US753395
申请日：1991-08-30
申请人： Richard W. Couch, Jr. , Nicholas A. Sanders , Lifeng Luo , John Sobr
发明人： Richard W. Couch, Jr. , Nicholas A. Sanders , Lifeng Luo , John Sobr
IPC分类号： B23K10/00 , H05H1/28 , H05H1/30 , H05H1/34
CPC分类号： H05H1/34 , B23K10/00 , B23K10/006 , H05H1/341 , H05H1/28 , H05H1/30 , H05H2001/3421 , H05H2001/3426 , H05H2001/3442 , H05H2001/3457 , H05H2001/3468 , H05H2001/3478 , H05H2001/3494
摘要： A plasma arc torch has a secondary gas flow that is extremely large during piercing of a workpiece to keep splattered molten metal away from the torch and thereby prevent "double arcing". The secondary flow exits the torch immediately adjacent the transferred plasma arc and is an extremely uniform, swirling flow. A swirl ring is located in the secondary gas flow path at the exit point. A prechamber feeds gas to the swirl ring, which is in turn fed through a flow restricting orifice. For certain applications the secondary gas is a mixture of an oxidizing gas, preferably oxygen, and a non-oxidizing gas, preferably nitrogen, in a flow ratio of oxygen to nitrogen in the range of 2:3 to 9:1. Preferably the flow ratio is about 2:1. A network of conduits and solenoid valves operated under the control of a central microprocessor regulates the flows of plasma gas and secondary gas and mixes the secondary gas. The network includes valved parallel branches that provide a quick charge capability and a set of venting valves, also electrically actuated by the microprocessor, to provide a quick discharge. In a preferred high-definition embodiment, a nozzle with a cut back outer surface and a large, conical head allows a metal seal and enhanced cooling. A two-piece cap protects the nozzle during cutting.
摘要翻译：等离子弧焊炬具有在工件刺穿期间非常大的二次气流，以保持溅射的熔融金属远离焊炬，从而防止“双电弧”。二次流动离开火炬，紧邻转移的等离子体电弧，并且是非常均匀的旋转流。旋流环位于出口处的二次气体流路中。预燃室将气体供给涡流环，涡流环又通过流动限制孔进料。对于某些应用，二次气体是氧气与氮气的流量比在2:3至9:1范围内的氧化气体，优选氧气和非氧化气体，优选氮气的混合物。流量比优选为约2:1。在中央微处理器的控制下操作的管道和电磁阀网络调节等离子体气体和二次气体的流动并混合二次气体。该网络包括提供快速充电能力的带阀的并联支路以及也由微处理器电致动的一组通气阀，以提供快速放电。在优选的高清晰度实施例中，具有切割的外表面和大的锥形头部的喷嘴允许金属密封和增强的冷却。两片盖子在切割过程中保护喷嘴。

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