Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1996-04-03
1997-12-30
Dougherty, Thomas M.
Electrical generator or motor structure
Dynamoelectric
Rotary
310156, 310 49A, H02K 3712, H02K 2108
Patent
active
057034192
ABSTRACT:
A stepper motor comprises a rotor assembly, two bobbin assemblies and two stator assemblies. The stator assemblies are located to sandwich the rotor assembly radially therebetween. Each stator assembly includes upper and lower yokes, columnar cores and a bobbin assembly.
REFERENCES:
patent: 3790889 (1974-02-01), Mincuzzi
patent: 4952859 (1990-08-01), Torisawa et al.
patent: 5384506 (1995-01-01), Aoshima
Dougherty Thomas M.
Mullins B.
Nippondenso Co. Ltd.
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