Small brush-use DC motor

Details Small brush-use DC motor Small brush-use DC motor

1994-02-02

1996-06-18

La Balle, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, 310 90, 84 952, H02K 1300, H02K 1312, H02K 708, G10F 106

Patent

active

055280960

ABSTRACT:
A small brush-use DC motor includes a stator member including a first stator case in which a magnet is disposed; a rotor member including a rotor core on which a coil is wound, a magnetic center of the rotor core being staggered with respect to the magnetic center of the magnet; a commutator unit having a commutator on a conical portion thereof, the commutator rotating together with the rotor member; and brushes held by a second stator case in such a manner that the brushes are brought into contact with the commutator under a predetermined pressure.

REFERENCES:
patent: 446684 (1891-02-01), Hussey
patent: 2489149 (1949-11-01), Makowski
patent: 2741713 (1956-04-01), Rowley
patent: 2987638 (1961-06-01), Lux
patent: 3915365 (1975-10-01), Lace
patent: 4088914 (1978-05-01), Aoki
patent: 4727358 (1988-02-01), Burt, III
patent: 4769566 (1988-09-01), Matsuda
patent: 5089736 (1992-02-01), Oyafuso
patent: 5287032 (1994-02-01), Zolda
Database WPI, Section EI, Week 8811, Aug. 15, 1987, Derwent Publications Ltd., London, GB.

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