Electric motor

Details Electric motor Electric motor

1999-04-12

2000-04-25

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310261, 310183, H02K 1516, H02K 704

Patent

active

060547871

ABSTRACT:
The present invention provides an electric motor with a reduced number of windings on one of the coil windings. The effect of this is that when the motor is in operation, the current that flows through the coil with the reduced number of windings differs from the others, and this difference can be detected to allow accurate control of the motor. To avoid any mechanical imbalance caused by this difference in the number of windings, mechanical compensation means is provided on the arm with the reduced number of windings. Preferably this comprise a further winding that is not electrically connected to the motor circuit.

REFERENCES:
patent: 626172 (1899-05-01), Lamme
patent: 2831133 (1958-05-01), Hansen et al.
patent: 3256454 (1966-06-01), Redwood

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