Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRIC MOTOR, AND ELECTRIC BLOWER
Document Type and Number:
Japanese Patent JP2023037039
Kind Code:
A
Abstract:
To provide an electric motor and the like capable of suppressing efficiency loss even when driven at low voltage and high-speed rotation.SOLUTION: An electric motor 2 includes: a rotor 10 with a shaft 13 and a commutator 14 mounted on the shaft 13; a brush 60 in contact with the commutator 14; a brush spring 80 for pressing the brush 60 against the commutator 14; and a conductive wire 91 connected to the brush 60. The brush 60 is a resinous brush containing copper, and the copper content in the brush 60 is between 30 wt.% and 50 wt.%.SELECTED DRAWING: Figure 10

Inventors:
NAKANO KEISAKU
TOYA KAZUO
YORINO TOMOKO
YOSHIOKA YUKI
Application Number:
JP2020021906A
Publication Date:
March 15, 2023
Filing Date:
February 12, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC IP MAN CORP
International Classes:
H02K13/00; F04D29/44; F04D29/58; H01R39/20; H01R39/27; H02K23/00; H02K23/04
Attorney, Agent or Firm:
Hiroi Arai
Teraya Eisaku
Shinichi Michizaka