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    • 7. 发明授权
    • Automatic voltage regulating system for engine generator
    • 发动机发电机自动调压系统
    • US06522106B2
    • 2003-02-18
    • US09365507
    • 1999-08-02
    • Takehiro MatsumotoTakao Tamechika
    • Takehiro MatsumotoTakao Tamechika
    • H02H706
    • H02P9/305
    • An automatic voltage-regulating system for an engine generator includes an output voltage detecting device for extracting a single-phase AC output voltage from an output winding wound around a stator to output a detection voltage, and a switching device for regularizing the output voltage to be substantially at a constant level by selectively conducting and cutting off of a field current supplied from an exciting winding wound around the stator to a field winding wound around a rotor. Depending upon whether the detection voltage is higher or lower than a predetermined value, the charged voltage of a condenser for smoothing a rectified output from the field winding is divided by a pair of voltage dividing resistors. A switch device is forcibly turned on by a detection voltage in response to the voltage at a connection point between the pair of resistors exceeding a predetermined voltage value, to thereby cause the smoothing condenser to be discharged.
    • 一种用于发动机发电机的自动电压调节系统包括:输出电压检测装置,用于从缠绕在定子上的输出绕组提取单相交流输出电压以输出检测电压,以及用于使输出电压正规化的开关装置 通过选择性地导通和切断从缠绕在定子上的励磁绕组提供的励磁电流到缠绕在转子周围的励磁绕组而基本处于恒定的电平。 根据检测电压是否高于或低于预定值,用于平滑来自励磁绕组的整流输出的电容器的充电电压被一对分压电阻器分压。 响应于一对电阻器之间的连接点处的电压超过预定电压值,开关器件被检测电压强制导通,从而使平滑电容器放电。
    • 8. 发明授权
    • Drip-proof structure for engine generator
    • 发动机发电机防滴结构
    • US5818136A
    • 1998-10-06
    • US919237
    • 1997-08-28
    • Takehiro Matsumoto
    • Takehiro Matsumoto
    • H02K5/10H02K5/20H02K9/06H02K5/00
    • H02K5/10
    • In an engine generator in which first and second brackets both in a cylindrical shape clamp an annular core therebetween and a plurality of exhaust ports are provided in the first bracket corresponding to a cooling fan provided on a rotor, for exhausting air from the cooling fan to the outside. A cover made of a synthetic resin covers from above the first bracket having on its external surface engagement surfaces which face the side opposite to the annular core, and a portion of the annular core on the first bracket side. The cover is integrally provided with a plurality of fitting portions which engage with respective bosses of the first bracket from the annular core side and are elastically fitted with respective fastening bolts, and engagement portions which engage with the engagement surfaces. It is possible, therefore, to easily prevent water from entering through the exhaust ports without the need to change the shape of the first bracket.
    • 在一种发动机发电机中,其中圆柱形的第一和第二支架夹住其间的环形芯,并且在第一支架中设置有多个排气口,其对应于设置在转子上的冷却风扇,用于将来自冷却风扇的空气排出到 外。 由合成树脂制成的盖子从第一支架的上方覆盖,其外表面接合表面面对与环形芯部相对的一侧,以及环形芯部的第一支架侧的一部分。 一体地设置有多个嵌合部,该多个嵌合部从环状芯侧与第一托架的各凸部接合,并且弹性地嵌合有相应的紧固螺栓,以及与接合面接合的卡合部。 因此,可以容易地防止水通过排气口进入,而不需要改变第一支架的形状。