Damping member for minimotor and minimotor equipped with the sam

Electrical generator or motor structure – Dynamoelectric – Rotary

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310 51, 310244, 310248, 310251, 428327, 428461, H02K 524, B32B 516

Patent

active

057774056

ABSTRACT:
The present invention provides a damping member constituted of a viscoelastic member and a constraint member, each of which is formed on a brush made of thin metal plate, in a dc minimotor, the viscoelastic member comprising adhesive mass containing a copolymer of alkyl acrylate and acrylic acid. The present invention further provides a brush constituted of the above damping member and a dc minimotor equipped with the brush.

REFERENCES:
patent: 3658635 (1972-04-01), Eustice
patent: 3833404 (1974-09-01), Sperling et al.
patent: 3983297 (1976-09-01), Ono et al.
patent: 4626567 (1986-12-01), Chang
patent: 4758757 (1988-07-01), Okumura
patent: 4843272 (1989-06-01), Mabuchi
patent: 5118562 (1992-06-01), Johnson et al.

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