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1. 发明授权

US06717096B2 Dual mode plasma arc torch 有权
公开(公告)号：US06717096B2
公开(公告)日：2004-04-06
申请号：US10083029
申请日：2002-02-26
申请人： Roger W. Hewett , Kevin D. Horner-Richardson , Joseph P. Jones , Shiyu Chen , Fred Rogers
发明人： Roger W. Hewett , Kevin D. Horner-Richardson , Joseph P. Jones , Shiyu Chen , Fred Rogers
IPC分类号： B23K1000
CPC分类号： H05H1/34 , H05H2001/3468 , H05H2001/3489
摘要： A dual mode plasma arc torch is provided that preferably comprises a start cartridge disposed between an electrode and a tip. In one form, the start cartridge comprises an initiator that is in electrical contact with the electrode and that is resiliently biased into contact with the tip, such that when the plasma arc torch is in a contact start mode, the initiator is movable against the resilient bias to separate from the tip and establish a pilot arc between the initiator and the tip. Further, when the plasma arc torch is in a high frequency start mode, the start cartridge spaces the tip from the electrode such that a pilot arc is established between the electrode and the tip. In other forms, a contact start torch is provided that is operable under high frequency, and conversely, a high frequency start torch is provided that is operable under low voltage.

2. 发明授权

US07582844B2 Torch handle gas control 有权
标题翻译：手电筒控制手柄
公开(公告)号：US07582844B2
公开(公告)日：2009-09-01
申请号：US10720829
申请日：2003-11-24
申请人： Kevin D. Horner-Richardson , Shiyu Chen , Roger W. Hewett , Joseph P. Jones , Kevin J. Kinderson , Darrin H. MacKenzie , Fred Rogers
发明人： Kevin D. Horner-Richardson , Shiyu Chen , Roger W. Hewett , Joseph P. Jones , Kevin J. Kinderson , Darrin H. MacKenzie , Fred Rogers
IPC分类号： B23K10/00
CPC分类号： H05H1/36 , H05H1/34 , H05H2001/3473
摘要： Devices and methods are provided that control gas flow to a plasma arc torch local to a torch handle. Generally, a plasma arc torch is provided that comprises a gas control device operable with a torch lead and a torch head, and an activation member operable with the gas control device. Accordingly, the activation member activates the gas control device such that gas flow is supplied from the torch lead to the torch head, and the activation member deactivates the gas control device such that the gas flow is terminated. Further, the activation member may comprise a trigger system, a button, or a safety member, among others. Moreover, the gas control device may comprise a gas control valve or a switch that activates a gas control device disposed within a power supply, among others.
摘要翻译：提供的装置和方法，其控制气体流到火炬手柄本地的等离子弧焊炬。通常，提供了等离子弧焊炬，其包括可与割炬引线和割炬头一起操作的气体控制装置，以及可与气体控制装置一起操作的致动部件。因此，激活构件激活气体控制装置，使得气流从割炬导管供应到炬头，并且致动构件使气体控制装置停用，使得气流终止。此外，激活构件可以包括触发系统，按钮或安全构件等。此外，气体控制装置可以包括气体控制阀或开关，其激活设置在电源内的气体控制装置等。

3. 发明授权

US06936786B2 Dual mode plasma arc torch 有权
标题翻译：双模等离子弧焊炬
公开(公告)号：US06936786B2
公开(公告)日：2005-08-30
申请号：US10720830
申请日：2003-11-24
申请人： Roger W. Hewett , Kevin D. Horner-Richardson , Joseph P. Jones , Shiyu Chen , Fred Rogers
发明人： Roger W. Hewett , Kevin D. Horner-Richardson , Joseph P. Jones , Shiyu Chen , Fred Rogers
IPC分类号： F23D1/00 , H05H1/34 , B23K10/00
CPC分类号： H05H1/34 , H05H2001/3468 , H05H2001/3489
摘要： A dual mode plasma arc torch is provided that preferably comprises a start cartridge disposed between an electrode and a tip. In one form, the start cartridge comprises an initiator that is in electrical contact with the electrode and that is resiliently biased into contact with the tip, such that when the plasma arc torch is in a contact start mode, the initiator is movable against the resilient bias to separate from the tip and establish a pilot arc between the initiator and the tip. Further, when the plasma arc torch is in a high frequency start mode, the start cartridge spaces the tip from the electrode such that a pilot arc is established between the electrode and the tip. In other forms, a contact start torch is provided that is operable under high frequency, and conversely, a high frequency start torch is provided that is operable under low voltage.
摘要翻译：提供了一种双模式等离子弧焊炬，其优选地包括设置在电极和尖端之间的启动盒。在一种形式中，启动盒包括与电极电接触并且被弹性地偏置成与尖端接触的起动器，使得当等离子体电弧焊炬处于接触启动模式时，起动器可抵靠弹性偏压从尖端分离并在引发器和尖端之间建立引导电弧。此外，当等离子弧焊炬处于高频启动模式时，起动盒将电极的尖端与电极隔开，使得在电极和尖端之间建立引导电弧。在其他形式中，提供可在高频下操作的接触启动手电筒，相反地，提供可在低电压下操作的高频启动手电筒。

4. 发明授权

US06689983B2 Torch handle gas control 有权
公开(公告)号：US06689983B2
公开(公告)日：2004-02-10
申请号：US10083101
申请日：2002-02-26
申请人： Kevin D. Horner-Richardson , Shiyu Chen , Roger W. Hewett , Joseph P. Jones , Kevin J. Kinderson , Darrin H. MacKenzie , Fred Rogers
发明人： Kevin D. Horner-Richardson , Shiyu Chen , Roger W. Hewett , Joseph P. Jones , Kevin J. Kinderson , Darrin H. MacKenzie , Fred Rogers
IPC分类号： B23K1000
CPC分类号： H05H1/36 , H05H1/34 , H05H2001/3473
摘要： Devices and methods are provided that control gas flow to a plasma arc torch local to a torch handle. Generally, a plasma arc torch is provided that comprises a gas control device operable with a torch lead and a torch head, and an activation member operable with the gas control device. Accordingly, the activation member activates the gas control device such that gas flow is supplied from the torch lead to the torch head, and the activation member deactivates the gas control device such that the gas flow is terminated. Further, the activation member may comprise a trigger system, a button, or a safety member, among others. Moreover, the gas control device may comprise a gas control valve or a switch that activates a gas control device disposed within a power supply, among others.

5. 发明授权

US07429715B2 Modular plasma arc torch 有权
标题翻译：模块式等离子弧焊炬
公开(公告)号：US07429715B2
公开(公告)日：2008-09-30
申请号：US10083194
申请日：2002-02-26
申请人： Darrin H. MacKenzie , Shiyu Chen , Roger W. Hewett , Kevin D. Horner-Richardson , Joseph P. Jones
发明人： Darrin H. MacKenzie , Shiyu Chen , Roger W. Hewett , Kevin D. Horner-Richardson , Joseph P. Jones
IPC分类号： B23K10/00
CPC分类号： H05H1/34
摘要： A modular plasma arc torch is provided that comprises a torch head and a torch lead, and a quick disconnect that is operatively engaged between the torch head and the torch lead. Accordingly, the torch head and torch lead may be quickly assembled and disassembled through the use of the quick disconnect. Further, the modular plasma arc torch also comprises a gas control device disposed within the plasma arc torch, which is operatively engaged between the torch head and the torch lead through the use of the quick disconnect according to the present invention. In addition, the quick disconnect may be used to connect a wide range of torch components within a plasma arc torch, thereby providing a reconfigurable plasma arc torch. Moreover, the quick disconnect according to the present invention conducts both gas and electric power from a power supply to the torch head for operation of the plasma arc torch.
摘要翻译：提供了一种模块化等离子弧焊炬，其包括炬头和割炬引线，以及可操作地接合在炬头和割炬引线之间的快速断开。因此，通过使用快速断开，可以快速组装和拆卸割炬头和割炬引线。此外，模块式等离子弧焊炬还包括设置在等离子体电弧炬内的气体控制装置，其通过使用根据本发明的快速断开而可操作地接合在炬头和割炬引线之间。此外，快速断开可用于连接等离子弧焊炬内的各种炬组件，从而提供可重构的等离子弧焊炬。此外，根据本发明的快速断开，从电源向焊炬头传导气体和电力，以操作等离子弧焊炬。

6. 发明授权

US06774336B2 Tip gas distributor 有权
标题翻译：尖端气体分配器
公开(公告)号：US06774336B2
公开(公告)日：2004-08-10
申请号：US10083167
申请日：2002-02-26
申请人： Kevin D. Horner-Richardson , Joseph P. Jones , Roger W. Hewett , Shiyu Chen
发明人： Kevin D. Horner-Richardson , Joseph P. Jones , Roger W. Hewett , Shiyu Chen
IPC分类号： B23K1000
CPC分类号： H05H1/34 , H05H2001/3468 , H05H2001/3489
摘要： A tip gas distributor is provided that preferably comprises a plurality of swirl holes and a plurality of secondary gas holes, wherein the swirl holes direct a plasma gas to generate a plasma stream, and the secondary gas holes direct a secondary gas to stabilize the plasma stream. Additionally, a tip gas distributor is provided that comprises swirl passages and secondary gas passages formed between the tip gas distributor and an adjacent component to generate and stabilize the plasma stream. Further, methods of generating and stabilizing the plasma stream are provided through the use of the swirl holes and passages, along with the secondary gas holes and passages.
摘要翻译：提供了一种尖端气体分配器，其优选地包括多个涡流孔和多个次级气体孔，其中所述旋流孔引导等离子体气体以产生等离子体流，并且所述次级气体空穴引导二次气体以稳定所述等离子体流。此外，提供了一种尖端气体分配器，其包括形成在尖端气体分配器和相邻部件之间的涡流通道和次级气体通道，以产生和稳定等离子体流。此外，通过使用涡流孔和通道以及二次气体孔和通道来提供产生和稳定等离子体流的方法。

7. 发明授权

US07202440B2 Dual mode plasma arc torch 有权
标题翻译：双模等离子弧焊炬
公开(公告)号：US07202440B2
公开(公告)日：2007-04-10
申请号：US11183693
申请日：2005-07-18
申请人： Roger W. Hewett , Kevin D. Horner-Richardson , Joseph P. Jones , Shiyu Chen , Fred A. Rogers
发明人： Roger W. Hewett , Kevin D. Horner-Richardson , Joseph P. Jones , Shiyu Chen , Fred A. Rogers
IPC分类号： B23K10/00
CPC分类号： B23K9/10 , H05H1/34 , H05H2001/3489
摘要： A dual mode plasma arc torch is provided that preferably comprises a start cartridge disposed between an electrode and a tip. In one form, the start cartridge comprises an initiator that is in electrical contact with the electrode and that is resiliently biased into contact with the tip, such that when the plasma arc torch is in a contact start mode, the initiator is movable against the resilient bias to separate from the tip and establish a pilot arc between the initiator and the tip. Further, when the plasma arc torch is in a high frequency start mode, the start cartridge spaces the tip from the electrode such that a pilot arc is established between the electrode and the tip. In other forms, a contact start torch is provided that is operable under high frequency, and conversely, a high frequency start torch is provided that is operable under low voltage.
摘要翻译：提供了一种双模式等离子弧焊炬，其优选地包括设置在电极和尖端之间的启动盒。在一种形式中，启动盒包括与电极电接触并且被弹性地偏置成与尖端接触的起动器，使得当等离子体电弧焊炬处于接触启动模式时，起动器可抵靠弹性偏压从尖端分离并在引发器和尖端之间建立引导电弧。此外，当等离子弧焊炬处于高频启动模式时，起动盒将电极的尖端与电极隔开，使得在电极和尖端之间建立引导电弧。在其他形式中，提供可在高频下操作的接触启动手电筒，相反地，提供可在低电压下操作的高频启动手电筒。

8. 发明授权

US06903301B2 Contact start plasma arc torch and method of initiating a pilot arc 有权
标题翻译：触点启动等离子弧焊炬和启动导电弧的方法
公开(公告)号：US06903301B2
公开(公告)日：2005-06-07
申请号：US10084009
申请日：2002-02-26
申请人： Joseph P. Jones , Kevin D. Horner-Richardson , Shiyu Chen , Roger W. Hewett
发明人： Joseph P. Jones , Kevin D. Horner-Richardson , Shiyu Chen , Roger W. Hewett
IPC分类号： F23D1/00 , B23K10/00 , H05H1/34
CPC分类号： H05H1/34 , B23K10/006 , H05H2001/3426 , H05H2001/3468 , H05H2001/3489
摘要： A contact start plasma arc torch is provided that comprises an electrode, a tip, and an initiator that is resiliently biased into contact with the tip, the initiator being movable against the resilient bias to separate from the tip and establish a pilot arc between the initiator and the tip. The initiator is disposed within a start cartridge, which preferably comprises a coil spring that biases the initiator into contact with the tip. The plasma arc torch further comprises a plurality of head vent holes to vent gas from within the start cartridge during operation of the torch. Additionally, the tip defines a plurality of swirl holes and secondary gas holes to generate and control a plasma stream that is subsequently blown from a central exit orifice in the tip.
摘要翻译：提供接触式起动等离子弧焊炬，其包括弹性偏压与尖端接触的电极，尖端和引发器，所述引发器可抵抗弹性偏压移动以与尖端分离并在引发器之间建立引导弧和提示。引发器设置在启动盒中，其优选地包括将启动器偏置成与尖端接触的螺旋弹簧。等离子弧焊炬还包括多个头部通气孔，以在割炬的操作期间从起始盒内排出气体。另外，尖端限定多个涡流孔和二次气体孔，以产生和控制随后从尖端中的中心出口孔吹出的等离子体流。

9. 发明申请

US20100294744A1 DUAL MODE PLASMA ARC TORCH 审中-公开
标题翻译：双模等离子弧焊
公开(公告)号：US20100294744A1
公开(公告)日：2010-11-25
申请号：US12849802
申请日：2010-08-03
申请人： Roger W. Hewett , Kevin D. Homer-Richardson , Joseph P. Jones , Shiyu Chen , Fred Rogers
发明人： Roger W. Hewett , Kevin D. Homer-Richardson , Joseph P. Jones , Shiyu Chen , Fred Rogers
IPC分类号： B23K9/00
CPC分类号： B23K9/10 , H05H1/34 , H05H2001/3489
摘要： A dual mode plasma arc torch and methods of operation thereof are provided, wherein the plasma arc torch is operable with both a high frequency power supply and a contact start power supply.
摘要翻译：提供了一种双模式等离子体电弧焊炬及其操作方法，其中等离子弧焊炬与高频电源和触点启动电源一起工作。

10. 发明授权

US06703581B2 Contact start plasma torch 有权
标题翻译：接触启动等离子体焰炬
公开(公告)号：US06703581B2
公开(公告)日：2004-03-09
申请号：US09794540
申请日：2001-02-27
申请人： Joseph P. Jones , Roger W. Hewett , Kevin D. Horner-Richardson , David A. Small
发明人： Joseph P. Jones , Roger W. Hewett , Kevin D. Horner-Richardson , David A. Small
IPC分类号： B23K1000
CPC分类号： H05H1/34 , H05H2001/3468 , H05H2001/3489
摘要： A contact start plasma torch and method of starting the torch includes a negatively charged cathode body and a positively charged anode body. A conductive element in the torch is constructed of an electrically conductive material and is free from fixed connection with the cathode body and the anode body. The torch is operable between an idle mode wherein the conductive element provides an electrically conductive path between the cathode body and the anode body and an pilot mode wherein a pilot arc is formed between the conductive element and at least one of the cathode body and the anode body. The pilot arc is blown by working gas flowing through the torch toward an exit orifice of the torch whereby the working gas is exhausted from the torch in the form of an ionized plasma.
摘要翻译：接触启动等离子体焰炬和启动割炬的方法包括带负电的阴极体和带正电的阳极体。割炬中的导电元件由导电材料构成，并且与阴极体和阳极体无固定连接。所述手电筒可在空转模式之间操作，其中所述导电元件在所述阴极体和所述阳极体之间提供导电路径，以及导电模式，其中在所述导电元件与所述阴极体和所述阳极中的至少一个之间形成引导电弧身体。引导电弧通过工作气体流动通过手电筒向火炬的出口喷射，从而工作气体以电离等离子体的形式从割炬中排出。

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