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1. 发明申请

WO2009114041A4 APPARATUS AND METHOD FOR A LIQUID COOLED SHIELD FOR IMPROVED PIERCING PERFORMANCE 审中-公开
标题翻译：用于改进澎湃性能的液体冷却护罩的装置和方法
公开(公告)号：WO2009114041A4
公开(公告)日：2010-02-11
申请号：PCT/US2008078074
申请日：2008-09-29
申请人： HYPERTHERM INC , LIEBOLD STEPHEN M , LINDSAY JON W
发明人： LIEBOLD STEPHEN M , LINDSAY JON W
IPC分类号： H05H1/34
CPC分类号： H05H1/34 , H05H1/28 , H05H2001/3457
摘要： A shield for a plasma arc torch that pierces and cuts a metallic workpiece producing a splattering of molten metal directed at the torch, the shield protecting consumable components of the plasma arc torch from the splattering molten metal. The shield can include a body, a first surface of the body configured to be contact-cooled by a gas flow, a second surface of the body configured to be contact-cooled by a liquid flow, and a seal assembly configured to be secured to the body and disposed relative to the second surface configured to retain the liquid flow contact- cooling the second surface.
摘要翻译：用于等离子体电弧焊炬的屏蔽件，其穿透和切割金属工件，产生指向焊炬的熔融金属溅射，屏蔽件保护等离子体电弧焊炬从消散熔融金属的消耗部件。该屏蔽件可以包括主体，该主体的第一表面被构造成由气流接触式冷却，该主体的第二表面构造成由液体流动接触式冷却;以及密封组件，其构造成固定到所述主体并且相对于所述第二表面设置，所述第二表面被配置为保持所述液体流动接触 - 冷却所述第二表面。

2. 发明申请

WO2006122256B1 GENERATING DISCRETE GAS JETS IN PLASMA ARC TORCH APPLICATIONS 审中-公开
标题翻译：在等离子弧焊枪应用中产生离散气体射流
公开(公告)号：WO2006122256B1
公开(公告)日：2007-04-26
申请号：PCT/US2006018268
申请日：2006-05-11
申请人： HYPERTHERM INC , COOK DAVID JONATHAN , LIEBOLD STEPHEN M , LINDSAY JON W , DUAN ZHENG
发明人： COOK DAVID JONATHAN , LIEBOLD STEPHEN M , LINDSAY JON W , DUAN ZHENG
IPC分类号： H05H1/34
CPC分类号： B23K10/00 , H05H1/34 , H05H1/3405 , H05H2001/3457 , H05H2001/3468 , H05H2001/3478
摘要： The invention is generally directed to a nozzle for a plasma torch, the nozzle having a rear portion that defines at least a portion of a plasma chamber and a front portion that includes a first end and a second end. The first end is adjacent the rear portion, and the second end defines a plasma exit portion. One or more fluid passageways are disposed within the front portion and extend from the first end to the second end. The fluid passageways have passageway exit portions that provide one or more discrete jets of a secondary fluid to surround a plasma jet that is ejected from the plasma exit portion. Features of the invention include faster cutting, thicker workpiece piercing capability, reduced noise, improved arc stability, and increased consumable life, all of which improve productivity associated with plasma arc torch workpiece processing.
摘要翻译：本发明通常涉及用于等离子炬的喷嘴，该喷嘴具有限定等离子体室的至少一部分的后部和包括第一端和第二端的前部。第一端邻近后部，并且第二端限定等离子体出口部分。一个或多个流体通道设置在前部内并从第一端延伸到第二端。流体通道具有通道出口部分，其提供一次或多次次级流体的离散射流以围绕从等离子体出口部分喷射出的等离子体射流。本发明的特征包括更快的切割，更厚的工件穿孔能力，降低的噪音，改进的电弧稳定性以及增加的消耗件寿命，所有这些都提高了与等离子弧焊炬工件加工相关的生产率。

3. 发明申请

WO2006113737A3 PLASMA ARC TORCH PROVIDING ANGULAR SHIELD FLOW INJECTION 审中-公开
公开(公告)号：WO2006113737A3
公开(公告)日：2006-10-26
申请号：PCT/US2006/014603
申请日：2006-04-19
申请人： HYPERTHERM, INC. , ZHENG, Duan , LIEBOLD, Stephen, M. , BRANDT, Aaron, D.
发明人： ZHENG, Duan , LIEBOLD, Stephen, M. , BRANDT, Aaron, D.
IPC分类号： H05H1/34
摘要： Plasma arc torches described herein include a torch tip with an improved nozzle that provides angular shield flow injection. In particular, the nozzle provides angular/conical impingement of a fluid (e.g., a shield gas) on an ionized plasma gas flowing through a plasma arc torch. Some of the torch tips described herein include a nozzle with a conical external shape combined with a shield with complementing internal geometry to form the angular fluid flow. As a result, a plasma arc torch including the improved nozzle have the benefits of a stabilized ionized plasma gas flow together with enhanced nozzle cooling and protection from reflecting slag during torch use.

4. 发明申请

WO2006081420B1 AUTOMATIC GAS CONTROL FOR A PLASMA ARC TORCH 审中-公开
标题翻译：等离子弧炬的自动控制
公开(公告)号：WO2006081420B1
公开(公告)日：2007-05-03
申请号：PCT/US2006002928
申请日：2006-01-27
申请人： HYPERTHERM INC , BRANDT AARON , PASSAGE CHRISTOPHER S , SELMER SHANE M , KAMATH GIRISH R , BEST GUY T , LIEBOLD STEPHEN M , LINDSAY JON W , ZHENG DUAN
发明人： BRANDT AARON , PASSAGE CHRISTOPHER S , SELMER SHANE M , KAMATH GIRISH R , BEST GUY T , LIEBOLD STEPHEN M , LINDSAY JON W , ZHENG DUAN
IPC分类号： H05H1/34
CPC分类号： H05H1/34 , B23K10/00 , B23K10/02 , H05H1/36
摘要： A method and apparatus for controlling a gas supply to a plasma arc torch uses a proportional control solenoid valve positioned adjacent the torch to manipulate the gas flow to the torch, thereby extending electrode life during arc transfer and shutdown. Swirl ring design can be simplified and gas supply and distribution systems become less complicated. The invention also allows manipulation of shield gas flow to reduce divot formation when making interior cuts. The system can be controlled with a digital signal processor utilizing a feedback loop from a sensor.
摘要翻译：一种用于控制等离子弧炬的气体供应的方法和设备使用位于炬附近的比例控制电磁阀来操纵流向炬的气流，从而延长电弧转移和关闭期间的电极寿命。涡流环设计可以简化，气体供应和分配系统变得更加复杂。本发明还允许在制造内部切口时操纵保护气流以减少凹陷形成。该系统可以利用来自传感器的反馈回路的数字信号处理器进行控制。

5. 发明申请

WO2006122256A3 GENERATING DISCRETE GAS JETS IN PLASMA ARC TORCH APPLICATIONS 审中-公开
公开(公告)号：WO2006122256A3
公开(公告)日：2006-11-16
申请号：PCT/US2006/018268
申请日：2006-05-11
申请人： HYPERTHERM, INC. , COOK, David, Jonathan , LIEBOLD, Stephen, M. , LINDSAY, Jon, W. , DUAN, Zheng
发明人： COOK, David, Jonathan , LIEBOLD, Stephen, M. , LINDSAY, Jon, W. , DUAN, Zheng
IPC分类号： H05H1/34
摘要： The invention is generally directed to a nozzle for a plasma torch, the nozzle having a rear portion that defines at least a portion of a plasma chamber and a front portion that includes a first end and a second end. The first end is adjacent the rear portion, and the second end defines a plasma exit portion. One or more fluid passageways are disposed within the front portion and extend from the first end to the second end. The fluid passageways have passageway exit portions that provide one or more discrete jets of a secondary fluid to surround a plasma jet that is ejected from the plasma exit portion. Features of the invention include faster cutting, thicker workpiece piercing capability, reduced noise, improved arc stability, and increased consumable life, all of which improve productivity associated with plasma arc torch workpiece processing.

6. 发明申请

WO2006081420A3 AUTOMATIC GAS CONTROL FOR A PLASMA ARC TORCH 审中-公开
公开(公告)号：WO2006081420A3
公开(公告)日：2006-08-03
申请号：PCT/US2006/002928
申请日：2006-01-27
申请人： HYPERTHERM, INC. , BRANDT, Aaron , PASSAGE, Christopher, S. , SELMER, Shane, M. , KAMATH, Girish, R. , BEST, Guy, T. , LIEBOLD, Stephen, M. , LINDSAY, Jon, W. , ZHENG, Duan
发明人： BRANDT, Aaron , PASSAGE, Christopher, S. , SELMER, Shane, M. , KAMATH, Girish, R. , BEST, Guy, T. , LIEBOLD, Stephen, M. , LINDSAY, Jon, W. , ZHENG, Duan
IPC分类号： H05H1/34
摘要： A method and apparatus for controlling a gas supply to a plasma arc torch uses a proportional control solenoid valve positioned adjacent the torch to manipulate the gas flow to the torch, thereby extending electrode life during arc transfer and shutdown. Swirl ring design can be simplified and gas supply and distribution systems become less complicated. The invention also allows manipulation of shield gas flow to reduce divot formation when making interior cuts. The system can be controlled with a digital signal processor utilizing a feedback loop from a sensor.

7. 发明申请

WO2010039304A1 NOZZLE WITH EXPOSED VENT PASSAGE 审中-公开
标题翻译：带有暴露通风口的喷嘴
公开(公告)号：WO2010039304A1
公开(公告)日：2010-04-08
申请号：PCT/US2009/048590
申请日：2009-06-25
申请人： HYPERTHERM, INC. , LIEBOLD, Stephen, M. , CURRIER, Brian, J.
发明人： LIEBOLD, Stephen, M. , CURRIER, Brian, J.
IPC分类号： H05H1/28 , H05H1/34
CPC分类号： H05H1/28 , H05H1/34 , Y10T29/49348
摘要： A nozzle for a plasma torch can include a body that has an inner surface, an outer surface, a proximal end, and an exit orifice at a distal end. The nozzle can also include a liner surrounded by the inner surface of the body. The liner can include a proximal end and an exit orifice at a distal end adjacent the exit orifice of the body. The nozzle can include at least one vent passage formed in the body. The vent passage can have an inlet formed in the inner surface of the body and an outlet formed in the outer surface of the body. The vent passage can be disposed between the proximal end of the body and the proximal end of the liner. The plasma arc torch can include a configuration that allows for increased electrode life and nozzle life for a vented high current plasma process.
摘要翻译：用于等离子体焰炬的喷嘴可以包括在远端具有内表面，外表面，近端和出口的主体。喷嘴还可以包括由主体的内表面包围的衬里。衬垫可以包括在靠近身体的出口的远端处的近端和出口孔。喷嘴可以包括形成在主体中的至少一个排气通道。排气通道可以具有形成在主体的内表面中的入口和形成在主体的外表面中的出口。排气通道可以设置在主体的近端和衬垫的近端之间。等离子弧焊炬可以包括允许通气的高电流等离子体工艺增加电极寿命和喷嘴寿命的构造。

8. 发明申请

WO2009114041A3 APPARATUS AND METHOD FOR A LIQUID COOLED SHIELD FOR IMPROVED PIERCING PERFORMANCE 审中-公开
标题翻译：用于液体冷却屏蔽的设备和方法用于改进的穿孔性能
公开(公告)号：WO2009114041A3
公开(公告)日：2009-12-03
申请号：PCT/US2008078074
申请日：2008-09-29
申请人： HYPERTHERM INC , LIEBOLD STEPHEN M , LINDSAY JON W
发明人： LIEBOLD STEPHEN M , LINDSAY JON W
IPC分类号： H05H1/34
CPC分类号： H05H1/34 , H05H1/28 , H05H2001/3457
摘要： A shield for a plasma arc torch that pierces and cuts a metallic workpiece producing a splattering of molten metal directed at the torch, the shield protecting consumable components of the plasma arc torch from the splattering molten metal. The shield can include a body, a first surface of the body configured to be contact-cooled by a gas flow, a second surface of the body configured to be contact-cooled by a liquid flow, and a seal assembly configured to be secured to the body and disposed relative to the second surface configured to retain the liquid flow contact- cooling the second surface.
摘要翻译：用于等离子弧焊枪的屏蔽，其穿透并切割金属工件，产生溅射到焊炬上的熔融金属的飞溅物，屏蔽件保护等离子弧焊枪的易损部件免受飞溅的熔融金属影响。所述护罩可以包括主体，所述主体的第一表面被构造成通过气流接触冷却，所述主体的第二表面被构造成通过液体流接触冷却，以及密封组件，所述密封组件被构造成固定到所述主体并且相对于所述第二表面布置，所述第二表面被构造成保持所述液体流动接触 - 冷却所述第二表面。

9. 发明申请

WO2009114041A2 APPARATUS AND METHOD FOR A LIQUID COOLED SHIELD FOR IMPROVED PIERCING PERFORMANCE 审中-公开
标题翻译：用于改进澎湃性能的液体冷却护罩的装置和方法
公开(公告)号：WO2009114041A2
公开(公告)日：2009-09-17
申请号：PCT/US2008/078074
申请日：2008-09-29
申请人： HYPERTHERM, INC. , LIEBOLD, Stephen, M. , LINDSAY, Jon, W.
发明人： LIEBOLD, Stephen, M. , LINDSAY, Jon, W.
IPC分类号： H05H1/34
CPC分类号： H05H1/34 , H05H1/28 , H05H2001/3457
摘要： A shield for a plasma arc torch that pierces and cuts a metallic workpiece producing a splattering of molten metal directed at the torch, the shield protecting consumable components of the plasma arc torch from the splattering molten metal. The shield can include a body, a first surface of the body configured to be contact-cooled by a gas flow, a second surface of the body configured to be contact-cooled by a liquid flow, and a seal assembly configured to be secured to the body and disposed relative to the second surface configured to retain the liquid flow contact- cooling the second surface.
摘要翻译：用于等离子体电弧焊炬的屏蔽件，其穿透和切割金属工件，产生指向焊炬的熔融金属溅射，屏蔽件保护等离子体电弧焊炬从消散熔融金属的消耗部件。该屏蔽件可以包括主体，该主体的第一表面被构造成由气流接触式冷却，该主体的第二表面构造成由液体流动接触式冷却;以及密封组件，其构造成固定到所述主体并且相对于所述第二表面设置，所述第二表面被配置为保持所述液体流动接触 - 冷却所述第二表面。

10. 发明申请

WO2008091735A1 CONSUMABLE COMPONENT PARTS FOR A PLASMA TORCH 审中-公开
标题翻译：用于等离子灶的消耗部件
公开(公告)号：WO2008091735A1
公开(公告)日：2008-07-31
申请号：PCT/US2008/050692
申请日：2008-01-10
申请人： HYPERTHERM, INC. , LINDSAY, Jon, W. , BARTLETT, Brent, R. , BRANDT, Aaron, D. , DUAN, Zheng , LIEBOLD, Stephen, M.
发明人： LINDSAY, Jon, W. , BARTLETT, Brent, R. , BRANDT, Aaron, D. , DUAN, Zheng , LIEBOLD, Stephen, M.
IPC分类号： H05H1/34
CPC分类号： H05H1/34 , H05H2001/3457 , H05H2001/3478
摘要： A component for a plasma arc torch includes a body portion, a tapered surface on the body portion, the tapered surface including a compressible member that provides a disengagement force relative to the body portion, and an axially disposed surface on the body portion for coupling a mating surface on an adjacent structure of the torch. The component can be a nozzle and/or an electrode.
摘要翻译：等离子弧焊炬的部件包括主体部分，主体部分上的锥形表面，所述锥形表面包括提供相对于主体部分的脱离力的可压缩部件，以及主体部分上的轴向设置的表面，用于联接在火炬的相邻结构上的配合表面。该部件可以是喷嘴和/或电极。

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