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Patent Searching and Data


Title:
ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2021/065147
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide an electric tool in which noise can be reduced. The electric tool is provided with a brushless motor, an inverter circuit (5), and a drive circuit (R1). The inverter circuit (5) has a plurality of semiconductor switching elements (51). The inverter circuit (5) supplies the currents flowing through the plurality of semiconductor switching elements (51) to the brushless motor. The drive circuit (R1) supplies drive currents for controlling the on/off of the plurality of semiconductor switching elements (51) to the plurality of semiconductor switching elements (51). The plurality of semiconductor switching elements (51) are disposed in the vicinity of the brushless motor and the drive circuit (R1).

Inventors:
ESAKA, Koichiro
Application Number:
JP2020/027227
Publication Date:
April 08, 2021
Filing Date:
July 13, 2020
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, JP)
International Classes:
H02K9/06; B25F5/00; B25F5/02; H02K11/33
Attorney, Agent or Firm:
HOKUTO PATENT ATTORNEYS OFFICE (12-17 Umeda 1-chome, Kita-ku, Osaka-sh, Osaka 01, JP)
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