Rotor for coreless motor

Details Rotor for coreless motor Rotor for coreless motor

1976-03-08

1978-07-04

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310266, H02K 1304

Patent

active

040990770

ABSTRACT:
A rotor for coreless motor comprises a cylindrical coil of a wire wound as repetitively folded back to alternately change current flowing direction with respect to magnetic field of associated stator of the motor and inner conductor of the wire is exposed at a plurality of portions equally spaced in the folded back parts forming an axial endwise edge of the cylindrical shape of the coil. The conductor exposing portions corresponds in number to stator poles and thus commutator segments, the latter of which are disposed adjacent and around an end of rotor shaft and connected respectively at a radially extended end substantially directly to the coil's conductor at each of its exposed portions.

REFERENCES:
patent: 2553292 (1951-05-01), Barrett
patent: 3310694 (1967-03-01), Hanna et al.
patent: 3356877 (1967-12-01), Burr
patent: 3514654 (1970-05-01), Moreji

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