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1. 发明申请

WO2012127851A2 ELECTRIC POWER TOOL 审中-公开
标题翻译：电动工具
公开(公告)号：WO2012127851A2
公开(公告)日：2012-09-27
申请号：PCT/JP2012/001898
申请日：2012-03-19
申请人： HITACHI KOKI CO., LTD. , IWATA, Kazutaka , KOIZUMI, Toshiaki
发明人： IWATA, Kazutaka , KOIZUMI, Toshiaki
CPC分类号： H02P27/06 , H02K19/10 , H02P6/10 , H02P6/15 , H02P6/157 , H02P6/28 , H02P27/04
摘要： An electric power tool includes: a brushless motor having a plurality of stator windings and configured to rotate in accordance with voltages applied to the plurality of stator windings, an induced voltage being generated in accordance with a rotation of the brushless motor; a rectifier circuit configured to rectify an AC voltage; a smoothing capacitor configured to smooth the AC voltage rectified by the rectifier circuit to a pulsation voltage having a maximum value larger than the induced voltage and a minimum value smaller than the induced voltage; and an inverter circuit configured to perform switching operations to output the pulsation voltage to the plurality of stator windings by rotation.
摘要翻译：一种电动工具包括：无刷电动机，其具有多个定子绕组并且被配置为根据施加到多个定子绕组的电压而旋转，感应电压根据电动机的旋转产生无刷电机; 整流器电路，被配置为整流AC电压; 平滑电容器，被配置为将由整流电路整流的交流电压平滑为具有比感应电压大的最大值和小于感应电压的最小值的脉动电压; 以及逆变器电路，被配置为执行开关操作以通过旋转向多个定子绕组输出脉动电压。

2. 发明申请

WO2012043286A1 POWER TOOL 审中-公开
标题翻译：电动工具
公开(公告)号：WO2012043286A1
公开(公告)日：2012-04-05
申请号：PCT/JP2011/071291
申请日：2011-09-13
申请人： HITACHI KOKI CO., LTD. , ABE, Satoshi , OKUBO, Takahiro , IWATA, Kazutaka
发明人： ABE, Satoshi , OKUBO, Takahiro , IWATA, Kazutaka
IPC分类号： B25H1/00 , B23B49/00 , B25F5/00
CPC分类号： B23B49/00 , B23B49/006 , B23B2260/092 , B23B2260/128 , B23Q17/22 , B25F5/00 , B25H1/0092 , Y10T408/13 , Y10T408/21
摘要： A power tool includes: a motor driving an end bit; a housing accommodating the motor; a distance measuring sensor provided at the housing; and a controlling section connected to the distance measuring sensor. The controlling section is configured to exclude an abnormal value from measurement value measured by the distance measuring sensor.
摘要翻译：一种电动工具包括：一个驱动端头的电机; 容纳所述马达的壳体; 设置在所述壳体处的距离测量传感器; 以及与距离测量传感器连接的控制部。控制部被配置为从由距离测量传感器测量的测量值排除异常值。

3. 发明申请

WO2011129455A1 DRILLING DEVICE 审中-公开
标题翻译：钻井设备
公开(公告)号：WO2011129455A1
公开(公告)日：2011-10-20
申请号：PCT/JP2011/059470
申请日：2011-04-12
申请人： HITACHI KOKI CO., LTD. , OKUBO, Takahiro , ABE, Satoshi , IWATA, Kazutaka
发明人： OKUBO, Takahiro , ABE, Satoshi , IWATA, Kazutaka
IPC分类号： B25D16/00 , B25F5/00 , B23B49/00
CPC分类号： B25F5/008 , B23B49/00 , B25D16/006 , B25D2211/061 , B25D2216/0023 , B25D2216/0038 , Y10T408/21
摘要： A drilling device (1) drilling to a desired depth without a gauge. The drilling device includes a distance sensor (14) positioned on an imaginary line (I) spanning between a front end (60A) of the housing and a hand gripped portion (10C). The distance sensor is away form a front end of a gear housing (60) by a distance Ls. The distance sensor provides an effective measurement range. The relationship of L1 & le; Ls and Ls+Lb & le; L2 is satisfied where L1 represents a distance between the distance sensor and a point closest to the distance sensor and defining a lower limit of the effective measurement range, L2 represents a distance between the distance sensor and a point farthest from the distance sensor and defining an upper limit of the effective measurement range, and Lb represents a distance between the front end of the housing and a tip end of the end bit.
摘要翻译：钻孔装置（1）在没有量规的情况下钻孔到所需的深度。钻孔装置包括位于跨过壳体的前端（60A）和手抓住部分（10C）之间的假想线（I）上的距离传感器（14）。距离传感器离开形成齿轮壳体（60）的前端距离Ls。距离传感器提供有效的测量范围。 L1＆le的关系 Ls和Ls + Lb＆le; L2是满足的，其中L1表示距离传感器和最接近距离传感器的点之间的距离，并且限定有效测量范围的下限，L2表示距距离传感器与离距离传感器最远的点之间的距离，有效测量范围的上限，Lb表示壳体的前端与端部钻头的末端之间的距离。

4. 发明申请

WO2011013853A3 IMPACT TOOL 审中-公开
公开(公告)号：WO2011013853A3
公开(公告)日：2011-02-03
申请号：PCT/JP2010/063235
申请日：2010-07-29
申请人： Hitachi Koki Co., LTD. , TANIMOTO, Hideyuki , TAKANO, Nobuhiro , NISHIKAWA, Tomomasa , IWATA, Kazutaka , MASHIKO, Hironori , YAMAGUCHI, Hayato , NAKAGAWA, Atsushi , OOMORI, Katsuhiro , NAKAMURA, Mizuho , UCHIDA, Hiroki , NAKANO, Saroma , ITO, Yutaka
发明人： TANIMOTO, Hideyuki , TAKANO, Nobuhiro , NISHIKAWA, Tomomasa , IWATA, Kazutaka , MASHIKO, Hironori , YAMAGUCHI, Hayato , NAKAGAWA, Atsushi , OOMORI, Katsuhiro , NAKAMURA, Mizuho , UCHIDA, Hiroki , NAKANO, Saroma , ITO, Yutaka
IPC分类号： B25B21/02 , B25B23/147
摘要： According to an aspect of the present invention, there is provided an impact tool (1) (including: a motor (3)drivable in an intermittent driving mode; a hammer (41) connected to the motor; an anvil (16) to be struck by the hammer (41) to thereby rotate/strike a tip tool; and a control unit that controls a rotation of the motor (3)by switching a driving pulse supplied to the motor (3) in accordance with a load applied onto the tip tool.

5. 发明申请

WO2012127851A3 ELECTRIC POWER TOOL 审中-公开
标题翻译：电动工具
公开(公告)号：WO2012127851A3
公开(公告)日：2012-11-29
申请号：PCT/JP2012001898
申请日：2012-03-19
申请人： HITACHI KOKI KK , IWATA KAZUTAKA , KOIZUMI TOSHIAKI
发明人： IWATA KAZUTAKA , KOIZUMI TOSHIAKI
IPC分类号： H02P6/14
CPC分类号： H02P27/06 , H02K19/10 , H02P6/10 , H02P6/15 , H02P6/157 , H02P6/28 , H02P27/04
摘要： An electric power tool includes: a brushless motor having a plurality of stator windings and configured to rotate in accordance with voltages applied to the plurality of stator windings, an induced voltage being generated in accordance with a rotation of the brushless motor; a rectifier circuit configured to rectify an AC voltage; a smoothing capacitor configured to smooth the AC voltage rectified by the rectifier circuit to a pulsation voltage having a maximum value larger than the induced voltage and a minimum value smaller than the induced voltage; and an inverter circuit configured to perform switching operations to output the pulsation voltage to the plurality of stator windings by rotation.
摘要翻译：一种电动工具包括：无刷电动机，具有多个定子绕组，并且被配置为根据施加到多个定子绕组的电压进行旋转，根据无刷电动机的旋转产生感应电压; 整流电路，被配置为对AC电压进行整流; 平滑电容器，被配置为将由整流器电路整流的AC电压平滑到具有大于感应电压的最大值和小于感应电压的最小值的脉动电压; 以及逆变器电路，被配置为执行切换操作，以通过旋转将脉动电压输出到多个定子绕组。

6. 发明申请

WO2011111877A1 IMPACT TOOL 审中-公开
标题翻译： IMPACT工具
公开(公告)号：WO2011111877A1
公开(公告)日：2011-09-15
申请号：PCT/JP2011/056505
申请日：2011-03-11
申请人： Hitachi Koki Co., LTD. , TANIMOTO, Hideyuki , TAKANO, Nobuhiro , NISHIKAWA, Tomomasa , IWATA, Kazutaka , MASHIKO, Hironori , YAMAGUCHI, Hayato
发明人： TANIMOTO, Hideyuki , TAKANO, Nobuhiro , NISHIKAWA, Tomomasa , IWATA, Kazutaka , MASHIKO, Hironori , YAMAGUCHI, Hayato
IPC分类号： B25B23/147 , B25B23/14
CPC分类号： B25B23/1475 , B25B23/1405
摘要： An impact tool including: a motor; a hammer connected to the motor; and an anvil struck by the hammer by driving the motor alternately in a normal rotation and a reverse rotation, wherein a magnitude of a fastening torque by the anvil is calculated in accordance with a current value of a current supplied to the motor immediately after the striking.
摘要翻译：一种冲击工具，包括：电机; 连接到电机的锤子; 以及通过在正常旋转和反向旋转中交替地驱动马达而被锤撞击的砧座，其中根据在击打之后立即提供给马达的电流的当前值来计算砧座的紧固扭矩的大小。

7. 发明申请

WO2011013854A1 IMPACT TOOL 审中-公开
标题翻译： IMPACT工具
公开(公告)号：WO2011013854A1
公开(公告)日：2011-02-03
申请号：PCT/JP2010/063236
申请日：2010-07-29
申请人： Hitachi Koki Co., LTD. , NISHIKAWA, Tomomasa , TAKANO, Nobuhiro , TANIMOTO, Hideyuki , IWATA, Kazutaka , MASHIKO, Hironori , YAMAGUCHI, Hayato , NAKAGAWA, Atsushi , OOMORI, Katsuhiro , NAKAMURA, Mizuho , UCHIDA, Hiroki , NAKANO, Saroma , YOSHIMIZU, Chikai
发明人： NISHIKAWA, Tomomasa , TAKANO, Nobuhiro , TANIMOTO, Hideyuki , IWATA, Kazutaka , MASHIKO, Hironori , YAMAGUCHI, Hayato , NAKAGAWA, Atsushi , OOMORI, Katsuhiro , NAKAMURA, Mizuho , UCHIDA, Hiroki , NAKANO, Saroma , YOSHIMIZU, Chikai
IPC分类号： B25B21/02 , B25B23/147
CPC分类号： B25B23/1475 , B25B21/02
摘要： According to an aspect of the present invention, there is provided an impact tool (1) including: a motor (3); a hammer (41) connected to an output portion of the motor (3); and an anvil to be struck by the hammer (41) in a rotation direction and having a rotary shaft, the hammer (41) striking the anvil (46) in the rotation direction by driving the motor (3) in pulses, wherein the anvil (46) is provided in front of the hammer (41), wherein the hammer (41) is driven in pulses by the motor (3), and wherein a rotation angle of the hammer (41) is substantially proportional to a rotation angle of the motor (3).
摘要翻译：根据本发明的一个方面，提供了一种冲击工具（1），包括：马达（3）; 连接到电动机（3）的输出部分的锤（41）; 以及由锤（41）沿旋转方向撞击并具有旋转轴的砧座，锤子（41）以脉冲方式驱动马达（3）沿旋转方向撞击砧座（46），其中砧座（46）设置在锤（41）的前方，其中锤（41）由马达（3）以脉冲方式驱动，并且其中锤（41）的旋转角度基本上与电动机（3）。

8. 发明申请

WO2009107563A2 ELECTRIC ROTATING TOOL, CONTROL METHOD, AND PROGRAM 审中-公开
标题翻译：电动工具，控制方法和程序
公开(公告)号：WO2009107563A2
公开(公告)日：2009-09-03
申请号：PCT/JP2009053100
申请日：2009-02-16
申请人： HITACHI KOKI KK , IWATA KAZUTAKA
发明人： IWATA KAZUTAKA
CPC分类号： B25B21/00 , B25B23/147 , H02P29/032
摘要： Tightening torque is appropriately managed by a simple means. An electric rotating tool (40) has a brushless DC motor (2), an inverter circuit part (3), and a control circuit part (4). The control circuit part (4) has a current detecting circuit (18), which detects a motor current I, a rotation number detecting circuit (17), which detects the number of rotations of the motor (N), and a computing part (19), which calculates first tightening torque (T1) based on the detection information of the motor current (I) and calculates second tightening torque (T2) based on the number of rotations of the motor (N). The computing part (19) estimates tightening torque Tave based on the estimate value of the first tightening torque (T1) or the second tightening torque (T2). The computing part (19) stops driving the motor (2) when the estimated tightening torque Tave exceeds a set value Tset.
摘要翻译：通过简单的手段适当地管理紧固扭矩。电动旋转工具（40）具有无刷直流电动机（2），逆变器电路部（3）和控制电路部（4）。控制电路部分（4）具有检测电动机电流I的电流检测电路（18），检测电动机（N）的转数的转数检测电路（17）和计算部 19），其基于电动机电流（I）的检测信息来计算第一紧固扭矩（T1），并且基于电动机（N）的转数来计算第二紧固扭矩（T2）。计算部件（19）基于第一紧固扭矩（T1）或第二紧固扭矩（T2）的估计值来估计紧固扭矩Tave。当估计紧固扭矩Tave超过设定值Tset时，计算部件（19）停止驱动马达（2）。

9. 发明申请

WO2008156185A1 POWER TOOL 审中-公开
标题翻译：电动工具
公开(公告)号：WO2008156185A1
公开(公告)日：2008-12-24
申请号：PCT/JP2008/061377
申请日：2008-06-17
申请人： Hitachi Koki Co., LTD. , OOMORI, Katsuhiro , KOMURO, Yoshihiro , YOSHIDA, Kenichirou , IWATA, Kazutaka
发明人： OOMORI, Katsuhiro , KOMURO, Yoshihiro , YOSHIDA, Kenichirou , IWATA, Kazutaka
IPC分类号： B25F5/00 , H02K5/18
CPC分类号： B25F5/008 , H02K5/20 , H02K7/145 , H02K9/06
摘要： According to an aspect of the present invention, there is provided a power tool including: a housing having a suction port formed thereon to introduce an cooling air from an outside of the housing; and a brushless motor that is housed in the housing and has an electric circuit, the electric circuit having a heat radiating surface, wherein the heat radiating surface is disposed in a neighborhood of the suction port.
摘要翻译：根据本发明的一个方面，提供了一种动力工具，包括：壳体，其上形成有用于从壳体的外部引入冷却空气的吸入口; 以及容纳在所述壳体中并具有电路的无刷电动机，所述电路具有散热面，所述散热面配置在所述吸入口附近。

10. 发明申请

WO2013065217A1 ELECTRIC POWER TOOL 审中-公开
标题翻译：电动工具
公开(公告)号：WO2013065217A1
公开(公告)日：2013-05-10
申请号：PCT/JP2012/005142
申请日：2012-08-13
申请人： Hitachi Koki Co., Ltd. , ABE, Satoshi , OOKUBO, Takahiro , IWATA, Kazutaka
发明人： ABE, Satoshi , OOKUBO, Takahiro , IWATA, Kazutaka
IPC分类号： B25D17/00 , G01D11/10
CPC分类号： B25D17/00 , B25D2250/221 , B25F5/006 , G01D11/10
摘要： A drilling tool 1 includes: an attaching portion 15 to which a tip tool is attached; and a housing for holding the attaching portion 15. An inclination sensor 16A for detecting inclination of the drilling tool 1 and an electronic substrate 16B supporting the inclination sensor 16A, which converts a result of the detection of the inclination sensor 16A into an electric signal, are provided inside the housing. A weight 16D is provided in the electronic substrate 16B. Oscillation generated in operation of the drilling tool 1 and transmitted to the inclination sensor 16A is reduced by the weight.
摘要翻译：钻具1包括：附接部15，其附接有尖端工具; 以及用于保持安装部15的壳体。用于检测钻具1的倾斜度的倾斜传感器16A和支撑倾斜传感器16A的电子基板16B，其将倾斜传感器16A的检测结果转换为电信号，被设置在壳体内。重物16D设置在电子基板16B中。在钻具1的操作中产生并传递到倾斜传感器16A的振动由重量减小。

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