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21. 发明授权

US4410792A Glow discharge heating apparatus 失效
公开(公告)号：US4410792A
公开(公告)日：1983-10-18
申请号：US152500
申请日：1980-05-22
申请人： Hirotsugu Komura , Shigeo Ueguri , Youichiro Tabata
发明人： Hirotsugu Komura , Shigeo Ueguri , Youichiro Tabata
IPC分类号： F24H1/10 , H01J37/32 , H05B7/00 , H05B7/16 , H01S3/097 , B23K9/00
CPC分类号： H01J37/32018 , F24H1/101 , H05B7/005 , H05B7/16 , Y10S422/907
摘要： Typically, a bottom of a cup-shaped electrode opposes to that of a similar electrode through a predetermined gap and in a mixture of helium and hydrogen. A step-up transformer connected across an AC source through a resistor applies a voltage in excess of a discharge breakdown voltage for the gap across the electrodes to cause a pilot glow discharge between them before the source voltage reaches a glow hold minimum voltage for the electrodes. A rectified voltage resulting from a transformer connected across the resistor turns a bidirectional triode thyristor on to apply the source voltage across the electrodes through the conducting thyristor. This smoothly transits the pilot glow discharge to a glow discharge between the electrodes. The latter discharge heats a liquid forcedly flowing along inner surfaces of the electrodes. Also an auxiliary electrode can be operatively coupled to the electrodes to cause similarly a pilot glow discharge between it and either one of the electrodes. For a DC source a tubular anode surrounds a middle portion of a tubular cathode through which a liquid flows.

22. 发明授权

US4594498A Pulse arc welding machine 失效
标题翻译：脉冲弧焊机
公开(公告)号：US4594498A
公开(公告)日：1986-06-10
申请号：US534540
申请日：1983-09-22
申请人： Shigeo Ueguri , Youichiro Tabata , Hirotsugu Komura , Toshio Ito
发明人： Shigeo Ueguri , Youichiro Tabata , Hirotsugu Komura , Toshio Ito
IPC分类号： B23K9/09
CPC分类号： B23K9/091
摘要： A pulse arc welding machine in which the welding operations and welding current are controlled such that the molten portion of a wire electrode is not significantly splattered and the welding arc length and welding bead are uniform. The welding machine of the invention includes a wire electrode, a welding torch confronting a base material while being spaced therefrom, a shielding gas supplying unit for supplying a shielding gas to the welding area on the base material, and a wire feeding unit for feeding the wire electrode to the welding torch. A base current source supplies a base current between the wire electrode and base material with a pulse current from a pulse current source being imposed thereon. A pulse frequency varying circuit varies a number of pulses per unit time for the pulse current so that the number of pulses is proportional to the speed at which the wire electrode is fed thereby to set the average arc current.
摘要翻译：一种脉冲电弧焊接机，其中控制焊接操作和焊接电流，使得线电极的熔融部分不会显着飞溅，并且焊接电弧长度和焊接珠均匀。本发明的焊接机包括线电极，与基材隔开的面对基材的焊炬，用于向基材上的焊接区域供给保护气体的保护气体供给单元，以及供给单元线电极到焊枪。基极电流源在线电极和基底材料之间提供来自施加在其上的脉冲电流源的脉冲电流的基极电流。脉冲频率变化电路改变脉冲电流的每单位时间的脉冲数，使得脉冲数与供给线电极的速度成比例，从而设定平均电弧电流。

23. 发明授权

US4553018A Short circuiting transfer arc welding machine 失效
标题翻译：短路转弧焊机
公开(公告)号：US4553018A
公开(公告)日：1985-11-12
申请号：US545977
申请日：1983-10-27
申请人： Masatsune Kondo , Youichiro Tabata , Shigeo Ueguri , Takaji Mizuno , Hirohisa Segawa , Seigo Hiramoto
发明人： Masatsune Kondo , Youichiro Tabata , Shigeo Ueguri , Takaji Mizuno , Hirohisa Segawa , Seigo Hiramoto
IPC分类号： B23K9/09
CPC分类号： B23K9/091
摘要： A short circuiting arc welding machine increases an arc current density by adding a pulsed current having upper and lower limits to a current flowing when an arc is produced, thereby increasing the depth of bead penetration into a workpiece, removing welding defects, and speeding up the welding operation. The welding machine is capable of alternately changing the direction of flow of a welding current at desired periods to produce arcs in straight, reverse and mixed polarities for achieving intermediate characteristics of arcs of straight and reverse polarities, with a resultant ability to adjust in a wide range a wire melting rate and the amount of heat applied to the workpiece.
摘要翻译：短路电弧焊机通过向产生电弧时流动的电流增加具有上限和下限的脉冲电流来增加电弧电流密度，从而增加焊道深入工件的深度，消除焊接缺陷，并加快焊接操作。焊接机能够以期望的周期交替地改变焊接电流的流动方向，以产生直线，反向和混合极性的电弧，以实现直线和反向极性的电弧的中间特性，从而具有广泛的调整能力范围是焊丝熔化速率和施加到工件的热量。

24. 发明授权

US4427874A Pulse arc welding machine 失效
标题翻译：脉冲弧焊机
公开(公告)号：US4427874A
公开(公告)日：1984-01-24
申请号：US281260
申请日：1981-07-08
申请人： Youichiro Tabata , Shigeo Ueguri , Takaji Mizuno , Masanori Mizuno
发明人： Youichiro Tabata , Shigeo Ueguri , Takaji Mizuno , Masanori Mizuno
IPC分类号： B23K9/09 , B23K9/095
CPC分类号： B23K9/091
摘要： A pulse arc welding machine in which, when any one of the material and diameter of a consumable wire electrode or the shielding gas used is varied, a peak current value and pulse width of a pulse current applied between a consumable wire electrode and a base material being welded as well as a wire feeding speed required for optimum welding conditions are automatically adjusted. The welding machine includes a consumable wire electrode, a wire feeding unit for the wire electrode, a base current source, and a pulse current source for supplying a pulse current superposed on the base current. A sensor detects the arc discharge voltage between the consumable electrode and the base material being welded. The quantity of heat applied to the electrode is corrected by comparing an output detection signal produced by the sensor with a preset arc voltage and then producing a pulse width instruction signal in response to the difference signal for setting the pulse width of the pulse current. When the detected arc voltage is large, the quantity of heat applied to the electrode by the welding current is decreased and the wire feeding speed is increased, while when the arc voltage is small, the quantity of heat applied to the wire electrode is increased and the wire feeding speed decreased.
摘要翻译：一种脉冲电弧焊接机，其中，当消耗线电极的材料和直径或使用的保护气体中的任何一种发生变化时，施加在可消耗线电极和基材之间的脉冲电流的峰值电流值和脉冲宽度被焊接以及最佳焊接条件所需的送丝速度被自动调节。焊接机包括消耗线电极，用于线电极的送丝单元，基极电流源和用于提供叠加在基极上的脉冲电流的脉冲电流源。传感器检测消耗性电极和被焊接的基材之间的电弧放电电压。通过将由传感器产生的输出检测信号与预置的电弧电压进行比较来校正施加到电极的热量，然后响应用于设置脉冲电流的脉冲宽度的差信号产生脉冲宽度指令信号。当检测到的电弧电压大时，通过焊接电流施加到电极的热量减少并且焊丝进给速度增加，而当电弧电压小时，施加到线电极的热量增加，并且送丝速度降低。

25. 发明授权

US4339656A Glow discharge heating apparatus 失效
公开(公告)号：US4339656A
公开(公告)日：1982-07-13
申请号：US152563
申请日：1980-05-22
申请人： Hirotsugu Komura , Shigeo Ueguri , Youichiro Tabata
发明人： Hirotsugu Komura , Shigeo Ueguri , Youichiro Tabata
IPC分类号： F24H1/10 , H01J37/32 , H05B7/00 , H05B7/16 , H05B1/02
CPC分类号： H01J37/32018 , F24H1/101 , H05B7/005 , H05B7/16 , Y10S422/907
摘要： Typically, a bottom of a cup-shaped electrode opposes to that of a similar electrode through a predetermined gap and in a mixture of helium and hydrogen. A step-up transformer connected across an AC source through a resistor applies a voltage in excess of a discharge breakdown voltage for the gap across the electrodes to cause a pilot glow discharge between them before the source voltage reaches a glow hold minimum voltage for the electrodes. A rectified voltage resulting from a transformer connected across the resistor turns a bidirectional triode thyristor on to apply the source voltage across the electrodes through the conducting thyristor. This smoothly transits the pilot glow discharge to a glow discharge between the electrodes. The latter discharge heats a liquid forcedly flowing along inner surfaces of the electrodes. Also an auxiliary electrode can be operatively coupled to the electrodes to cause similarly a pilot glow discharge between it and either one of the electrodes. For a DC source a tubular anode surrounds a middle portion of a tubular cathode through which a liquid flows.

26. 发明授权

US4697062A Pulse arc welding machine disabled during short-circuits 失效
标题翻译：短路时脉冲电弧焊接机禁用
公开(公告)号：US4697062A
公开(公告)日：1987-09-29
申请号：US863920
申请日：1986-05-16
申请人： Yoshiro Awano , Hiroshi Suzuki , Takaji Mizuno , Shigeo Ueguri , Kenji Higashida
发明人： Yoshiro Awano , Hiroshi Suzuki , Takaji Mizuno , Shigeo Ueguri , Kenji Higashida
IPC分类号： B23K9/073 , B23K9/09
CPC分类号： B23K9/091
摘要： A pulse arc welding machine in which current pulses are periodically applied between a welding wire and a base method. A voltage is measured between the welding wire and the base metal to determine if whether an arc to a short-circuit exists therebetween. If a short-circuit exists, a new current pulse is delayed until the arc is reestablished.
摘要翻译：一种脉冲电弧焊机，其中在焊丝和基底法之间周期性地施加电流脉冲。在焊丝和贱金属之间测量电压，以确定它们之间是否存在短路电弧。如果存在短路，则会延迟新的电流脉冲直到电弧重新建立。

27. 发明授权

US4329563A Glow discharge heating apparatus 失效
标题翻译：辉光放电加热装置
公开(公告)号：US4329563A
公开(公告)日：1982-05-11
申请号：US6780
申请日：1979-01-26
申请人： Hirotsugu Komura , Shigeo Ueguri , Youichiro Tabata
发明人： Hirotsugu Komura , Shigeo Ueguri , Youichiro Tabata
IPC分类号： F24H1/10 , H01J37/32 , H05B7/00 , H05B7/16
CPC分类号： H01J37/32018 , F24H1/101 , H05B7/005 , H05B7/16 , Y10S422/907
摘要： Typically, a bottom of a cup-shaped electrode opposes to that of a similar electrode through a predetermined gap and in a mixture of helium and hydrogen. A step-up transformer connected across an AC source through a resistor applies a voltage in excess of a discharge breakdown voltage for the gap across the electrodes to cause a pilot glow discharge between them before the source voltage reaches a glow hold minimum voltage for the electrodes. A rectified voltage resulting from a transformer connected across the resistor turns a bidirectional triode thyristor on to apply the source voltage across the electrodes through the conducting thyristor. This smoothly transits the pilot glow discharge to a glow discharge between the electrodes. The latter discharge heats a liquid forcedly flowing along inner surfaces of the electrodes. Also an auxiliary electrode can be operatively coupled to the electrodes to cause similarly a pilot glow discharge between it and either one of the electrodes. For a DC source a tubular anode surrounds a middle portion of a tubular cathode through which a liquid flows.
摘要翻译：通常，杯形电极的底部通过预定间隙和氦和氢的混合物与类似电极的底部相反。通过电阻器连接在交流电源上的升压变压器对电极之间的间隙施加超过放电击穿电压的电压，以在源电压达到电极的辉光保持最小电压之前在它们之间引起导频辉光放电。由连接在电阻器上的变压器产生的整流电压使双向三极管晶闸管导通，通过导电晶闸管将源极电压施加到电极两端。这样平滑地将导频辉光放电转移到电极之间的辉光放电。后者的放电加热了沿电极的内表面强制流动的液体。还可以将辅助电极可操作地耦合到电极，以类似地引起其与电极中的任一个之间的导频辉光放电。对于DC源，管状阳极围绕液体流过的管状阴极的中间部分。

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