Coreless cylindrical armature for electrical rotary machines

Details Coreless cylindrical armature for electrical rotary machines Coreless cylindrical armature for electrical rotary machines

1977-02-02

1978-10-31

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, H02K 122

Patent

active

041236793

ABSTRACT:
The coreless cylindrical armature has a cylindrical coil made of at least one coil unit which includes a plurality of lead wires. Each lead wire traverses at least twice between the peripheral edges of the coil cylinder as it makes one turn around the coil cylinder. The lead wires are regularly spaced angularly of the coil cylinder to provide a full pitch winding that is two layers thick throughout as a result of the winding, but for a respective plurality of apical regions marginally of each peripheral edge of the coil cylinder. Several ultimate dispositions of these apical regions are described.

REFERENCES:
patent: 3360668 (1967-12-01), Faulhaber
patent: 3487246 (1969-12-01), Long
patent: 3726004 (1973-04-01), Holland et al.
patent: 4019075 (1977-04-01), Kagami

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