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21. 发明授权

US06894401B2 Engine driven inverter welding power supply 有权
标题翻译：发动机驱动逆变器焊接电源
公开(公告)号：US06894401B2
公开(公告)日：2005-05-17
申请号：US10629367
申请日：2003-07-29
申请人： Richard Beeson , Stephen Li , Alan Smith
发明人： Richard Beeson , Stephen Li , Alan Smith
IPC分类号： B23K9/073 , B23K9/095 , B23K9/10 , H02K7/18 , H02M9/00 , H02P9/04
CPC分类号： B23K9/0956 , B23K9/1006
摘要： A method and apparatus for welding with an engine driven inverter power supply includes generating an ac output with an engine and generator. The output is rectified and inverted to provide an ac inverter output. The engine is controlled using feedback indicative of a welding output operating parameter. The feedback may also be taken from the inverter or generator, and the generator may be controlled instead of or in addition to the engine. Engine parameters that may be controlled include engine speed, selecting between an idle speed and a run speed, a throttle position, a fuel pump, an injection timer, a fuel to air ratio, fuel consumption and ignition timing. Another aspect of the invention is having the feedback be responsive to one or more of the welding current, welding voltage, welding power, or functions thereof. The feedback may be responsive to the current, voltage, power, ripple and functions thereof. An aux power output is derived directly from the generator and feedback from the aux load is used to determine if the engine should be idling or running at high speed.
摘要翻译：一种用发动机驱动的逆变器电源进行焊接的方法和装置，包括用发动机和发电机产生交流输出。输出整流和反相，提供交流逆变器输出。使用反馈表示焊接输出操作参数来控制发动机。也可以从逆变器或发电机获取反馈，并且发动机可以被控制而不是发动机或除了发动机之外。可以控制的发动机参数包括发动机转速，怠速和运行速度之间的选择，节气门位置，燃料泵，喷射定时器，燃料空气比，燃料消耗和点火正时。本发明的另一方面是使反馈响应于焊接电流，焊接电压，焊接功率或其功能中的一个或多个。反馈可以响应于电流，电压，功率，纹波和功能。辅助功率输出直接来自发电机，来自辅助负载的反馈用于确定发动机是否应空转或高速运行。

22. 发明授权

US06348671B1 Welder with engine power and utility power input 有权
标题翻译：具有发动机功率和公用电源输入的焊机
公开(公告)号：US06348671B1
公开(公告)日：2002-02-19
申请号：US09404234
申请日：1999-09-23
申请人： Daniel Fosbinder , William Sullivan , Richard Beeson
发明人： Daniel Fosbinder , William Sullivan , Richard Beeson
IPC分类号： B23K910
CPC分类号： B23K9/1056
摘要： A method and apparatus for providing welding power includes a power supply that receives utility and engine power. The power supply has an engine power input and a utility power input. One of the engine power input and the utility power input is selectively connected to the power supply in response to a mode select input, controlled by an input selector. The input selector may include a user selectable input, such as a sensor circuit or a user switch on a welder control panel, preferably a three position switch having an engine mode position, a utility mode position and an off position in various alternatives. The engine is disabled when utility power is selected. Disabling the engine includes one or more of cutting the field current, starter current, and/or battery current. The power supply may include an inverter, chopper, and/or a phase controlled device. The welder is preferably a single-package, stand-alone welder, and/or includes an engine/generator having a welding and an auxiliary output.
摘要翻译：用于提供焊接电力的方法和装置包括接收电力和发动机功率的电源。电源具有发动机功率输入和公用电源输入。发动机功率输入和公共电源输入之一响应于由输入选择器控制的模式选择输入选择性地连接到电源。输入选择器可以包括用户可选择的输入，例如焊接机控制面板上的传感器电路或用户开关，优选地具有各种替代方案中的发动机模式位置，效用模式位置和关闭位置的三位置开关。当选择公用电源时，发动机被禁用。禁用发动机包括一个或多个切割励磁电流，起动电流和/或电池电流。电源可以包括逆变器，斩波器和/或相位控制装置。焊机优选是单组件，独立焊接机，和/或包括具有焊接和辅助输出的发动机/发电机。

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