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    Vented shield system for a plasma arc torch
    4.
    发明授权
    Vented shield system for a plasma arc torch 有权
    等离子弧焊枪的通风屏蔽系统

    公开(公告)号：US07326874B2

    公开(公告)日：2008-02-05

    申请号：US10899259

    申请日：2004-07-26

    申请人： Jonathan Brasseur ,  Kevin D. Horner-Richardson ,  Roger W. Hewett

    发明人： Jonathan Brasseur ,  Kevin D. Horner-Richardson ,  Roger W. Hewett

    IPC分类号： H05B1/02

    CPC分类号： B23K10/00 ,  H05H1/34 ,  H05H2001/3457 ,  H05H2001/3478

    摘要： Vented shield systems for plasma arc torches are provided that comprise a shield cup body defining a distal end portion, a vented retainer secured to the distal end portion of the shield cup body, and a shield cap secured to the vented retainer. The vented retainer defines at least one vent passageway that directs a flow of secondary gas inward toward the shield cap, and the vented shield system blocks at least a portion of molten metal from contacting components, such as a tip or nozzle, of the plasma arc torch. The shield cap may comprise a mechanized cap, a drag cap, a gouging cap, or a deflector cap, among others. Accordingly, various shield caps may be employed without removal or replacement of the vented retainer. The same vented retainer may be used throughout a variety of plasma arc torch applications.

    摘要翻译： 提供了用于等离子体电弧炬的通风屏蔽系统，其包括限定远端部分的屏蔽杯体，固定到屏蔽杯体的远端部分的通气保持器和固定到通气保持器的屏蔽帽。 排气保持器限定至少一个排气通道，其将二次气体的流向内导向屏蔽罩，并且通气的屏蔽系统阻挡熔融金属的至少一部分与接触等离子弧的部件（例如尖端或喷嘴）接触 火炬。 屏蔽盖可以包括机械化盖，拖帽，气刨盖或偏转盖等。 因此，可以使用各种屏蔽盖而不移除或更换排气保持器。 在各种等离子弧焊枪应用中可以使用相同的通风保持器。

    Vented shield system for a plasma arc torch
    5.
    发明授权
    Vented shield system for a plasma arc torch 失效
    等离子弧焊枪的通风屏蔽系统

    公开(公告)号：US06914211B2

    公开(公告)日：2005-07-05

    申请号：US10376688

    申请日：2003-02-27

    申请人： Jonathan Brasseur ,  Kevin D. Horner-Richardson ,  Roger W. Hewett

    发明人： Jonathan Brasseur ,  Kevin D. Horner-Richardson ,  Roger W. Hewett

    IPC分类号： B23K10/00 ,  H05H1/34

    CPC分类号： B23K10/00 ,  H05H1/34 ,  H05H2001/3457 ,  H05H2001/3478

    摘要： Vented shield systems for plasma arc torches are provided that comprise a shield cup body defining a distal end portion, a vented retainer secured to the distal end portion of the shield cup body, and a shield cap secured to the vented retainer. The vented retainer defines at least one vent passageway that directs a flow of secondary gas inward toward the shield cap, and the vented shield system blocks at least a portion of molten metal from contacting components, such as a tip or nozzle, of the plasma arc torch. The shield cap may comprise a mechanized cap, a drag cap, a gouging cap, or a deflector cap, among others. Accordingly, various shield caps may be employed without removal or replacement of the vented retainer. The same vented retainer may be used throughout a variety of plasma arc torch applications.

    摘要翻译： 提供了用于等离子体电弧炬的通风屏蔽系统，其包括限定远端部分的屏蔽杯体，固定到屏蔽杯体的远端部分的通气保持器和固定到通气保持器的屏蔽帽。 排气保持器限定至少一个排气通道，其将二次气体的流向内导向屏蔽罩，并且通气的屏蔽系统阻挡熔融金属的至少一部分与接触等离子弧的部件（例如尖端或喷嘴）接触 火炬。 屏蔽帽可以包括机械化盖，拖帽，气刨盖或偏转盖等。 因此，可以使用各种屏蔽盖而不移除或更换排气保持器。 在各种等离子弧焊枪应用中可以使用相同的通风保持器。

    Modular plasma arc torch
    6.
    发明授权
    Modular plasma arc torch 有权
    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。

    Dual mode plasma arc torch
    9.
    发明授权
    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.

    Torch handle gas control
    10.
    发明授权
    Torch handle gas control 有权
    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。