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Patent Searching and Data


Title:
ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2024/084845
Kind Code:
A1
Abstract:
This electric motor comprises: a rotary shaft, the axial direction of which is the direction in which the axis thereof extends; a commutator that is attached to the rotary shaft; at least one brush that is in contact with the commutator; a brush holder that holds the brush; a terminal that is attached to the brush holder; and a conductive wire that has one end connected to the brush and the other end electrically connected to the terminal. The brush has an arc shape, and the angle formed by the brush tangent and the electric-motor rotation direction is less than 90 degrees at the site where the commutator and the leading end surface of the brush are in contact.

Inventors:
NAKANO KEISAKU
TOYA KAZUO
Application Number:
PCT/JP2023/032159
Publication Date:
April 25, 2024
Filing Date:
September 01, 2023
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K13/00; H01R39/26
Foreign References:
DE102014214307A12016-01-28
US7683519B22010-03-23
US20060226730A12006-10-12
US5434463A1995-07-18
JPH0677473U1994-10-28
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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