DC motor

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11303082
APP PUB NO 20200313376A1
SERIAL NO

16836318

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A DC motor is provided that can suppress a commutator from wearing. A DC motor including a commutator formed of copper or a copper alloy of 99% or more copper, and a brush pressed against and in contact with the commutator, wherein the brush is composed of a sintered compact including graphite and copper powder, hard compound particles higher in hardness than any of the copper or the copper alloy and the graphite or the copper powder are contained in at least one of the commutator and the brush and are scattered on or near a contact surface of the commutator with the brush at least during use.

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First Claim

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Patent Owner(s)

  • DENSO CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirabayashi, Takashi Kariya, JP 39 157

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