High torque stepping motor

Details High torque stepping motor High torque stepping motor

1977-04-06

1978-11-28

Duggan, Donovan F.

Electricity: motive power systems

Open-loop stepping motor control systems

310156, 310114, 310 49R, H02K 3700

Patent

active

041278020

ABSTRACT:
The invention provides a high torque bidirectional stepping motor. Toothed rotor and stator assemblies having pole pieces sandwiching annular permanent magnets and solenoid coils, respectively, are disclosed. Pulsing means for activating the motor are also disclosed. Adjacent rotor assemblies are misaligned in disclosed fashion to provide fractional notch stepping in response to sequential control pulses from the pulsing means.

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patent: 3401322 (1968-09-01), O'Regan
patent: 3411059 (1968-11-01), Kaiwa
patent: 3462667 (1969-08-01), Jackson
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patent: 3513341 (1970-05-01), Gratzmuller
patent: 3553511 (1971-01-01), Hemmings et al.
patent: 3777196 (1973-12-01), Field
patent: 3849682 (1974-11-01), Binns
patent: 3992641 (1976-11-01), Heinrich et al.

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