Direct-current motor

Details Direct-current motor Direct-current motor

1998-04-24

2000-10-03

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310216, 310258, 310269, H02K 112

Patent

active

061277606

ABSTRACT:
A direct-current motor includes a core including a plurality of teeth arranged in a circular disposition so as to define a plurality of slots, the teeth having distal ends and coil-winding sections respectively, coils wound on the coil-winding sections of the teeth respectively, and pole sections each of which is provided at a distal end side of the corresponding tooth and is circumferentially wider than the corresponding coil-winding section. In the motor, the teeth include first teeth having wider pole sections respectively and second teeth having pole sections narrower than the first teeth. Notches are formed in circumferential corners of the pole sections of the first teeth or members substantially integral with the pole sections of the first teeth respectively.

REFERENCES:
patent: 2501232 (1950-03-01), Mesh
patent: 5323074 (1994-06-01), Sakashita et al.
patent: 5508578 (1996-04-01), Suzuki et al.
patent: 5705871 (1998-01-01), Suzuki et al.

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