Small motor

Details Small motor Small motor

1982-09-20

1984-08-28

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, 310 71, 310268, 336192, H02K 304

Patent

active

044685793

ABSTRACT:
A small motor has a substantially disc-shaped rotor body carried by a rotor shaft and provided with a plurality of coils, a substantially doughnut-shaped permanent magnet disposed in close proximity of one side face of the rotor body, and a commutator mounted on the part of the rotor shaft in the aperture of the permanent magnet. The part of each coil adjacent to the commutator is bent away from the stationary magnet to provide a recess through which the coil end can be led to increase the effective length of the coil to increase the torque without increasing the distance between the stationary magnet and the rotor body or significantly increasing the dimensions of the motor as a whole.

REFERENCES:
patent: Re30761 (1981-10-01), Ban et al.
patent: 3790835 (1974-02-01), Takeda
patent: 4203048 (1980-05-01), Sato
patent: 4374336 (1983-02-01), Shimizu
patent: 4398112 (1983-08-01), Van Gils

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