Title:
POWER SUPPLY DEVICE, CABLE-EQUIPPED POWER SUPPLY DEVICE, AND ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2021/054302
Kind Code:
A1
Abstract:
A power supply device (3). The power supply device (3) is to be connected to an electric tool body (2) that comprises a brushless DC motor (21). The power supply device (3) comprises: at least one of an inverter (35) that drives the brushless DC motor (21) and a control circuit (34) that controls the inverter (35); and a power supply unit (33) that supplies power to the inverter (35).
Inventors:
ITO FUMIAKI (JP)
Application Number:
PCT/JP2020/034812
Publication Date:
March 25, 2021
Filing Date:
September 15, 2020
Export Citation:
Assignee:
KYOCERA IND TOOLS CORPORATION (JP)
International Classes:
B25F5/00; H02M7/48
Foreign References:
| US5203242A | 1993-04-20 | |||
| US20110248583A1 | 2011-10-13 | |||
| JPH11297402A | 1999-10-29 | |||
| US5750932A | 1998-05-12 |
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
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