Title:
ELECTRIC WORKING MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/031719
Kind Code:
A1
Abstract:
Provided is an electric working machine in which a control board can be disposed without being restricted by the length of a brushless motor in the axial direction. As an electric working machine having a brushless motor 30 provided with a rotor 32 and a stator 31, a motor case 27 accommodating the brushless motor 30, and a motor housing, the working machine comprises: a control board 71 which is provided outside the motor housing 20 in the radial direction with an axis line B1 of the rotor 32 as the center and supports a switching element; a connection board 47 provided inside the motor case 27 and supporting sensors S1-S3; a hole part 90 passing through the inside and outside of the motor case 27; a hole part 89 passing through the inside and outside of the motor housing 20; lead wires 58, 60, 62, 64, 65, 67 disposed from the inside of the motor case 27 to the outside of the motor housing 20 through the hole parts 89, 90; and a signal line 75.
More Like This:
| WO/2003/009969 | IMPACT TOOL BATTERY PACK WITH ACOUSTICALLY-TRIGGERED TIMED IMPACT SHUTOFF |
| JP2023089934 | ELECTRIC WORK MACHINE AND ELECTRIC DRIVER DRILL |
| JP7103107 | Pneumatic tools |
Inventors:
HASHIMOTO HIDEYUKI (JP)
ABE SATOSHI (JP)
YAMAZAKI SHINGO (JP)
NISHIKAWA TOMOMASA (JP)
MATSUSHITA AKIRA (JP)
ABE SATOSHI (JP)
YAMAZAKI SHINGO (JP)
NISHIKAWA TOMOMASA (JP)
MATSUSHITA AKIRA (JP)
Application Number:
PCT/JP2015/073537
Publication Date:
March 03, 2016
Filing Date:
August 21, 2015
Export Citation:
Assignee:
HITACHI KOKI KK (JP)
International Classes:
B25F5/00; B25D11/04; B25F5/02; H02K11/00
Foreign References:
| JP2013094866A | 2013-05-20 | |||
| JP2004007869A | 2004-01-08 | |||
| JP2014138971A | 2014-07-31 | |||
| JP2013013960A | 2013-01-24 |
Other References:
See also references of EP 3187309A4
Download PDF: