Engine driven arc welder
    1.
    发明授权
    Engine driven arc welder 有权
    发动机驱动电弧焊机

    公开(公告)号:US6040556A

    公开(公告)日:2000-03-21

    申请号:US162785

    申请日:1998-09-30

    IPC分类号: B23K9/10 B23K9/095

    CPC分类号: B23K9/1043

    摘要: An engine driven arc welder including a welding generator driven by an engine; output circuits for controlling the output of the welding generator in accordance with a control signal and for delivering the output to welding output terminals; a current detector for detecting the current flowing in the welding output terminals; an error detector for comparing the output of the current detector with a reference signal to detect error; a control signal producing circuit for producing the control signal in accordance with output of the error detector and for delivering it to the output circuit; and a voltage detector R10, VR10 for detecting voltage to be delivered to the welding output terminals, wherein the arc welder has a welding output characteristic having a constant current control arc characteristic in accordance with the reference signal and which exhibits a drooping characteristic in the vicinity of the arcing voltage and which is capable of increasing the current when the arc voltage is lowered. The engine driven arc welder includes an adjustment circuit VR10, R10, VR20, R20 for determining the magnitude of the reference signal to be delivered to the error detector in accordance with the output of the voltage detector to change the reference signal, thereby allowing the inter-characteristic transfer point between the constant current control arc characteristic and the drooping characteristic to be adjustable.

    摘要翻译: 一种发动机驱动的电弧焊机,包括由发动机驱动的焊接发电机; 输出电路,用于根据控制信号控制焊接发生器的输出,并将输出传送到焊接输出端子; 用于检测在焊接输出端子中流动的电流的电流检测器; 用于将电流检测器的输出与参考信号进行比较以检测误差的误差检测器; 控制信号产生电路,用于根据误差检测器的输出产生控制信号并将其传送到输出电路; 以及电压检测器R10,VR10,用于检测输送到焊接输出端子的电压,其中,电弧焊机具有根据参考信号具有恒定电流控制电弧特性的焊接输出特性,并且在附近呈现下垂特性 的电弧电压,并且当电弧电压降低时能够增加电流。 发动机驱动的电弧焊机包括调整电路VR10,R10,VR20,R20,用于根据电压检测器的输出来确定要传送到误差检测器的参考信号的大小,以改变参考信号, 恒流控制电弧特性与下垂特性之间的特征转移点可调。

    Engine-driven permanent magnetic type welding generator
    2.
    发明授权
    Engine-driven permanent magnetic type welding generator 失效
    发动机驱动永磁式焊接发电机

    公开(公告)号:US5936320A

    公开(公告)日:1999-08-10

    申请号:US87935

    申请日:1998-06-01

    摘要: Disclosed is an engine-driven welding generator using a plurality of neodymium-iron-boron based rare earth magnets and provided with countermeasures for suppressing a rise in temperature of the magnets. The engine-driven welding generator driven by an engine (200) to generate both a dc welding power output and an auxiliary ac power output comprises: a stator (110) including a laminated-structure armature core (111) and an armature winding (112) wound around the armature core (111); a rotor (120) supported by the engine in cantilever fashion and including a laminated-structure field core (121) a plurality of magnet plates (122) containing neodymium-iron-boron based rare earth as the major component and arranged on an outer circumferential surface of the laminated-structure field core with a smallest possible gap between the two adjacent magnet plates, a plurality of centrifugal fan blades (123) arranged in the vicinity of the outer circumference of and on both side surfaces of the field core, and a plurality of axial air passages (121a) formed on an inner side of the field core; and an enclosure including a housing (101) fixed to the engine for supporting the stator, and a top cover (103) for introducing cooling air from one side surface of the rotor remote from the engine through the fan-shaped air passages formed in the rotor core in cooperation with the housing.

    摘要翻译: 公开了一种使用多个钕 - 铁 - 硼的稀土磁体的发动机驱动的焊接发生器,并且提供了用于抑制磁体的温度上升的对策。 由发动机(200)驱动以产生直流焊接功率输出和辅助交流功率输出的发动机驱动的焊接发生器包括:定子(110),其包括层叠结构的电枢铁芯(111)和电枢绕组(112) )缠绕在电枢铁芯(111)上; 由发动机以悬臂方式支撑的转子(120),并且包括层叠结构的磁芯(121),多个磁铁板(122),其包含以钕铁硼为基础的稀土作为主要部件并且设置在外周 层叠结构的磁芯的表面在两个相邻的磁体板之间具有尽可能小的间隙;多个离心式风扇叶片(123)布置在磁场磁芯的外周的外周附近, 形成在所述场磁芯的内侧的多个轴向空气通路(121a) 以及壳体,其包括固定到用于支撑定子的发动机的壳体(101),以及用于从远离发动机的转子的一个侧表面通过形成在所述发动机中的扇形空气通道引入冷却空气的顶盖(103) 转子芯与房屋配合。

    Method of manufacturing a rotors with permanent magnet
    4.
    发明授权
    Method of manufacturing a rotors with permanent magnet 失效
    用永磁体制造转子的方法

    公开(公告)号:US6006418A

    公开(公告)日:1999-12-28

    申请号:US95646

    申请日:1998-06-11

    IPC分类号: H02K1/27 H02K15/03 H02K15/02

    摘要: A rotor with permanent magnet capable of fixing permanent magnets on the rotor iron core by a simple method. This rotor with permanent magnet comprises; a rotor iron core in which rotor iron plates provided with plural recessed portion in trapezoidal form at suitable intervals are formed in stacked manner on the outer circumference, fitting grooves comprised of continuity of the recessed portions on the outer circumferential surface thereof; a pair of end plates provided at respective end surfaces of the rotor iron core; fixing members formed by non-magnetic material, the fixing members being inserted into the respective fitting grooves to form a plurality of areas partitioned by the outer circumferential surface of the rotor iron core along with the end plates; and a plurality of permanent magnets fixed in the respective areas between these fixing members.

    摘要翻译: 具有能够通过简单的方法将永磁体固定在转子铁芯上的永磁体的转子。 该永磁体转子包括: 转子铁芯,其中以适当间隔设置有梯形形状的多个凹部的转子铁板在外周上以堆叠的方式形成,其包括在其外周面上的凹部的连续性的嵌合槽; 设置在转子铁芯的各个端面的一对端板; 由非磁性材料形成的固定构件,固定构件插入到各个装配槽中,以形成由转子铁芯的外圆周表面与端板隔开的多个区域; 以及固定在这些固定构件之间的各个区域中的多个永磁体。

    Rotor with permanent magnet of generator and method of manufacturing the
same
    5.
    发明授权
    Rotor with permanent magnet of generator and method of manufacturing the same 失效
    具有发电机永磁铁的转子及其制造方法

    公开(公告)号:US5828152A

    公开(公告)日:1998-10-27

    申请号:US598183

    申请日:1996-02-07

    IPC分类号: H02K1/27 H02K15/03

    CPC分类号: H02K1/278 H02K15/03

    摘要: A rotor with permanent magnet capable of fixing permanent magnets on the rotor iron core by a simple method. This rotor with permanent magnet comprises; a rotor iron core in which rotor iron plates provided with plural recessed portion in trapezoidal form at suitable intervals are formed in stacked manner on the outer circumference, fitting grooves comprised of continuity of the recessed portions on the outer circumferential surface thereof; a pair of end plates provided at respective end surfaces of the rotor iron core; fixing members formed by non-magnetic material, the fixing members being inserted into the respective fitting grooves to form a plurality of areas partitioned by the outer circumferential surface of the rotor iron core along with the end plates; and a plurality of permanent magnets fixed in the respective areas between these fixing members.

    摘要翻译: 具有能够通过简单的方法将永磁体固定在转子铁芯上的永磁体的转子。 该永磁体转子包括: 转子铁芯,其中以适当间隔设置有梯形形状的多个凹部的转子铁板在外周上以层叠的方式形成,所述嵌合槽包括在其外周面上的凹部的连续性; 设置在转子铁芯的各个端面的一对端板; 由非磁性材料形成的固定构件,固定构件插入到各个装配槽中,以形成由转子铁芯的外圆周表面与端板隔开的多个区域; 以及固定在这些固定构件之间的各个区域中的多个永磁体。

    Engine-driven permanent magnetic type welding generator
    6.
    发明授权
    Engine-driven permanent magnetic type welding generator 失效
    发动机驱动永磁式焊接发电机

    公开(公告)号:US5796190A

    公开(公告)日:1998-08-18

    申请号:US655026

    申请日:1996-05-29

    摘要: Disclosed is an engine-driven welding generator using a plurality of neodymium-iron-boron based rare earth magnets and provided with countermeasures for suppressing a rise in temperature of the magnets. The engine-driven welding generator driven by an engine (200) to generate both a dc welding power output and an auxiliary ac power output comprises: a stator (110) including a laminated-structure armature core (111) and an armature winding (112) wound around the armature core (111); a rotor (120) supported by the engine in cantilever fashion and including a laminated-structure field core (121), a plurality of magnet plates (122) containing neodymium-iron-boron based rare earth as the major component and arranged on an outer circumferential surface of the laminated-structure field core with a smallest possible gap between the two adjacent magnet plates, a plurality of centrifugal fan blades (123) arranged in the vicinity of the outer circumference of and on both side surfaces of the field core, and a plurality of axial air passages (121a) formed on an inner side of the field core; and an enclosure including a housing (101) fixed to the engine for supporting the stator, and a top cover (103) for introducing cooling air from one side surface of the rotor remote from the engine through the fan-shaped air passages formed in the rotor core in cooperation with the housing.

    摘要翻译: 公开了一种使用多个钕 - 铁 - 硼的稀土磁体的发动机驱动的焊接发生器,并且提供了用于抑制磁体的温度上升的对策。 由发动机(200)驱动以产生直流焊接功率输出和辅助交流功率输出的发动机驱动的焊接发生器包括:定子(110),其包括层叠结构的电枢铁芯(111)和电枢绕组(112) )缠绕在电枢铁芯(111)上; 由发动机以悬臂方式支撑的转子(120),包括层叠结构的磁芯(121),以钕铁硼系稀土为主要成分的多个磁体板(122) 层叠结构的磁芯的圆周表面在两个相邻的磁体板之间具有尽可能小的间隙;多个离心风扇叶片(123)布置在磁场磁芯的外周的两侧表面附近,以及 形成在所述场磁芯的内侧的多个轴向空气通路(121a) 以及壳体,其包括固定到用于支撑定子的发动机的壳体(101),以及用于从远离发动机的转子的一个侧表面通过形成在所述发动机中的扇形空气通道引入冷却空气的顶盖(103) 转子芯与房屋配合。