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公开(公告)号：US20170050252A1
公开(公告)日：2017-02-23
申请号：US15308436
申请日：2015-03-02
发明人： Kurt NACHBARGAUER
摘要： A welding or cutting tool for welding or cutting electrically conductive workpieces includes a nozzle arranged on a tool tip for discharging a welding or cutting beam and a nozzle cap which at least partly surrounds the nozzle, is open towards the tool tip, and has an electrode that forms a capacitance with the respective workpiece and an insulating element that electrically insulates the electrode from the other components of the tool. The electrode consists of a first electrically conductive ceramic material and is formed integrally with the insulating element, which consists of a second electrically insulating ceramic material.
摘要翻译： 用于焊接或切割导电工件的焊接或切割工具包括布置在工具尖端上用于排出焊接或切割梁的喷嘴和至少部分地围绕喷嘴的喷嘴帽，朝向工具尖端打开，并且具有电极 其形成与相应工件的电容和使电极与工具的其它部件电绝缘的绝缘元件。 电极由第一导电陶瓷材料组成，并与绝缘元件整体形成，绝缘元件由第二电绝缘陶瓷材料构成。
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公开(公告)号：US10245670B2
公开(公告)日：2019-04-02
申请号：US15308436
申请日：2015-03-02
发明人： Kurt Nachbargauer
摘要： A welding or cutting tool for welding or cutting electrically conductive workpieces includes a nozzle arranged on a tool tip for discharging a welding or cutting beam and a nozzle cap which at least partly surrounds the nozzle, is open towards the tool tip, and has an electrode that forms a capacitance with the respective workpiece and an insulating element that electrically insulates the electrode from the other components of the tool. The electrode consists of a first electrically conductive ceramic material and is formed integrally with the insulating element, which consists of a second electrically insulating ceramic material.
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公开(公告)号：US11684989B2
公开(公告)日：2023-06-27
申请号：US17367857
申请日：2021-07-06
摘要： A method for monitoring a flame cutting process includes a preheating phase, a piercing phase following the preheating phase and a cutting phase following the piercing phase, wherein a cutting torch applies a flame generated by combustion of a gas mixture to an electrically conductive workpiece and wherein an electric current flowing between an electrically conductive part of the cutting torch and the workpiece is measured by a current measuring device during a measuring period. An ignition point at which piercing of a hole through the workpiece using the flame starts due to oxidation of the workpiece is detected by a change in the measured current.
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公开(公告)号：US20230008895A1
公开(公告)日：2023-01-12
申请号：US17367857
申请日：2021-07-06
IPC分类号： B23K7/10
摘要： A method for monitoring a flame cutting process includes a preheating phase, a piercing phase following the preheating phase and a cutting phase following the piercing phase, wherein a cutting torch applies a flame generated by combustion of a gas mixture to an electrically conductive workpiece and wherein an electric current flowing between an electrically conductive part of the cutting torch and the workpiece is measured by a current measuring device during a measuring period. An ignition point at which piercing of a hole through the workpiece using the flame starts due to oxidation of the workpiece is detected by a change in the measured current.
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公开(公告)号：US20230392785A1
公开(公告)日：2023-12-07
申请号：US17829594
申请日：2022-06-01
发明人： Kurt NACHBARGAUER
摘要： A welding or cutting torch includes a torch head, a heating nozzle detachably fastened onto a front part of the torch head and a cutting nozzle, which is received in the heating nozzle and which rests with a rear end face on a front end face of the torch head. The cutting nozzle has a shoulder with a surrounding contact face, which is turned away from a rear end face and which rests on a surrounding mating face of the heating nozzle.
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