公开(公告)号：US20140312721A1

公开(公告)日：2014-10-23

申请号：US14321157

申请日：2014-07-01

Applicant: MAKITA CORPORATION

Inventor： Yutaka MATSUNAGA ,  Takeshi NISHIMIYA

IPC: H02K7/14 ,  H02K11/00

CPC classification number: H02K7/145 ,  B25F5/008 ,  H02K11/33

Abstract: An electric power tool, which uses a DC brushless motor as a drive source and controls the DC brushless motor by a switching element, can include a tubular housing main body portion accommodating the DC brushless motor, and a grip portion protruding from a side portion of the housing main body portion. The switching element is arranged inside the grip portion, and is spaced apart from an electronic circuit board for an electronic component for operating the switching element.

Abstract translation: 使用DC无刷电动机作为驱动源并通过开关元件控制DC无刷电动机的电动工具可以包括容纳DC无刷电动机的管状壳体主体部分和从侧面部分突出的把手部分 壳体主体部分。 开关元件布置在把手部分内部，并且与用于操作开关元件的电子部件的电子电路板间隔开。

公开(公告)号：US20130119792A1

公开(公告)日：2013-05-16

申请号：US13741004

申请日：2013-01-14

Applicant: MAKITA CORPORATION

Inventor： Takeshi NISHIMIYA ,  Yutaka MATSUNAGA

IPC: H02K7/14 ,  H02K11/00

CPC classification number: H02K7/145 ,  B25F5/008 ,  H01L2924/0002 ,  H02K11/33 ,  H05K1/0203 ,  H05K7/20463 ,  H05K2201/10166 ,  H05K2201/10371 ,  H05K2201/1056 ,  H01L2924/00

Abstract: An electrical power tool may include a switching device capable of controlling output power of a motor, a circuit board supporting the switching device, and a metal case receiving the circuit board. The switching device includes a conductive part and an insulated portion that is covered by an insulating covering material. The conductive part of the switching device contacts the circuit board. The insulated portion of the switching device contacts the metal case via the insulating covering material.

Abstract translation: 电动工具可以包括能够控制电动机的输出功率的开关装置，支撑开关装置的电路板以及接收电路板的金属壳体。 开关装置包括被绝缘覆盖材料覆盖的导电部分和绝缘部分。 开关装置的导电部分接触电路板。 开关装置的绝缘部分经由绝缘覆盖材料接触金属外壳。

公开(公告)号：US20130207590A1

公开(公告)日：2013-08-15

申请号：US13760435

申请日：2013-02-06

Applicant: MAKITA CORPORATION

Inventor： Kenya YANAGIHARA ,  Yoshitaka ICHIKAWA ,  Motohiro OMURA ,  Yutaka MATSUNAGA

IPC: H02P23/08 ,  H02P23/00

CPC classification number: H02P23/08 ,  B25F5/00 ,  H02P23/00

Abstract: An electric power tool according to the present invention is provided with a tool main body, an induction motor, a power supply unit, and an inverter. The power supply unit and the inverter are integrally incorporated in the tool main body together with the induction motor.

Abstract translation: 根据本发明的电动工具设置有工具主体，感应电动机，电源单元和逆变器。 电源单元和逆变器与感应电动机一体地并入工具主体。