Miniature motor

Details Miniature motor Miniature motor

1987-01-08

1990-01-23

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, 310 51, 310 90, 310191, 310254, H02K 2126

Patent

active

048960659

ABSTRACT:
A miniature motor comprising a motor case having a bearing on the closed end face thereof, a stator consisting of a permanent magnet, brushes and terminals; and a rotor fixedly fitted to a motor shaft in the motor case and having core windings and a commutator; the rotor being rotatably supported by the bearing; in which the rotor and the stator are adapted so that the balance of magnetic field intensity between the stator and the rotor becomes unbalanced structurally or magnetically, thereby causing the rotor to be biased within the bearing in a predetermined positional direction with respect to the stator.

REFERENCES:
patent: 2561890 (1951-07-01), Stoddard
patent: 2761079 (1956-08-01), Giertz-Hedstorm
patent: 2999952 (1961-09-01), Hammes
patent: 3624574 (1971-11-01), Montagu
patent: 4125614 (1979-05-01), Noguchi
patent: 4135119 (1979-01-01), Brosens
patent: 4225798 (1980-09-01), Barrett
patent: 4237397 (1980-12-01), Mohr
patent: 4482828 (1984-11-01), Vergues
patent: 4574215 (1986-03-01), Mabuchi
patent: 4665335 (1987-05-01), Schimozono

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